truffle: src/share/vm/opto/library

annotate src/share/vm/opto/library_call.cpp @ 7421:ad5dd04754ee

8005031: Some cleanup in c2 to prepare for incremental inlining support Summary: collection of small changes to prepare for incremental inlining. Reviewed-by: twisti, kvn

author	roland
date	Tue, 18 Dec 2012 14:55:25 +0100
parents	dd38cfd12c3a
children	620e502e3f47

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1513 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1513 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1513 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	26 #include "classfile/systemDictionary.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	27 #include "classfile/vmSymbols.hpp"
2405 3d58a4983660 7022998: JSR 292 recursive method handle calls inline themselves infinitely twisti parents: 2385 diff changeset	28 #include "compiler/compileBroker.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	29 #include "compiler/compileLog.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	30 #include "oops/objArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	31 #include "opto/addnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	32 #include "opto/callGenerator.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	33 #include "opto/cfgnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	34 #include "opto/idealKit.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	35 #include "opto/mulnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	36 #include "opto/parse.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	37 #include "opto/runtime.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	38 #include "opto/subnode.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	39 #include "prims/nativeLookup.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1844 diff changeset	40 #include "runtime/sharedRuntime.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	41
a61af66fc99e Initial load duke parents: diff changeset	42 class LibraryIntrinsic : public InlineCallGenerator {
a61af66fc99e Initial load duke parents: diff changeset	43 // Extend the set of intrinsics known to the runtime:
a61af66fc99e Initial load duke parents: diff changeset	44 public:
a61af66fc99e Initial load duke parents: diff changeset	45 private:
a61af66fc99e Initial load duke parents: diff changeset	46 bool _is_virtual;
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	47 bool _is_predicted;
0 a61af66fc99e Initial load duke parents: diff changeset	48 vmIntrinsics::ID _intrinsic_id;
a61af66fc99e Initial load duke parents: diff changeset	49
a61af66fc99e Initial load duke parents: diff changeset	50 public:
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	51 LibraryIntrinsic(ciMethod* m, bool is_virtual, bool is_predicted, vmIntrinsics::ID id)
0 a61af66fc99e Initial load duke parents: diff changeset	52 : InlineCallGenerator(m),
a61af66fc99e Initial load duke parents: diff changeset	53 _is_virtual(is_virtual),
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	54 _is_predicted(is_predicted),
0 a61af66fc99e Initial load duke parents: diff changeset	55 _intrinsic_id(id)
a61af66fc99e Initial load duke parents: diff changeset	56 {
a61af66fc99e Initial load duke parents: diff changeset	57 }
a61af66fc99e Initial load duke parents: diff changeset	58 virtual bool is_intrinsic() const { return true; }
a61af66fc99e Initial load duke parents: diff changeset	59 virtual bool is_virtual() const { return _is_virtual; }
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	60 virtual bool is_predicted() const { return _is_predicted; }
0 a61af66fc99e Initial load duke parents: diff changeset	61 virtual JVMState* generate(JVMState* jvms);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	62 virtual Node* generate_predicate(JVMState* jvms);
0 a61af66fc99e Initial load duke parents: diff changeset	63 vmIntrinsics::ID intrinsic_id() const { return _intrinsic_id; }
a61af66fc99e Initial load duke parents: diff changeset	64 };
a61af66fc99e Initial load duke parents: diff changeset	65
a61af66fc99e Initial load duke parents: diff changeset	66
a61af66fc99e Initial load duke parents: diff changeset	67 // Local helper class for LibraryIntrinsic:
a61af66fc99e Initial load duke parents: diff changeset	68 class LibraryCallKit : public GraphKit {
a61af66fc99e Initial load duke parents: diff changeset	69 private:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	70 LibraryIntrinsic* _intrinsic; // the library intrinsic being called
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	71 Node* _result; // the result node, if any
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	72 int _reexecute_sp; // the stack pointer when bytecode needs to be reexecuted
0 a61af66fc99e Initial load duke parents: diff changeset	73
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	74 const TypeOopPtr* sharpen_unsafe_type(Compile::AliasType* alias_type, const TypePtr *adr_type, bool is_native_ptr = false);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	75
0 a61af66fc99e Initial load duke parents: diff changeset	76 public:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	77 LibraryCallKit(JVMState* jvms, LibraryIntrinsic* intrinsic)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	78 : GraphKit(jvms),
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	79 _intrinsic(intrinsic),
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	80 _result(NULL)
0 a61af66fc99e Initial load duke parents: diff changeset	81 {
7200 dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	82 // Check if this is a root compile. In that case we don't have a caller.
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	83 if (!jvms->has_method()) {
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	84 _reexecute_sp = sp();
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	85 } else {
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	86 // Find out how many arguments the interpreter needs when deoptimizing
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	87 // and save the stack pointer value so it can used by uncommon_trap.
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	88 // We find the argument count by looking at the declared signature.
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	89 bool ignored_will_link;
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	90 ciSignature* declared_signature = NULL;
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	91 ciMethod* ignored_callee = caller()->get_method_at_bci(bci(), ignored_will_link, &declared_signature);
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	92 const int nargs = declared_signature->arg_size_for_bc(caller()->java_code_at_bci(bci()));
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	93 _reexecute_sp = sp() + nargs; // "push" arguments back on stack
dd38cfd12c3a 8004319: test/gc/7168848/HumongousAlloc.java fails after 7172640 twisti parents: 7194 diff changeset	94 }
0 a61af66fc99e Initial load duke parents: diff changeset	95 }
a61af66fc99e Initial load duke parents: diff changeset	96
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	97 virtual LibraryCallKit* is_LibraryCallKit() const { return (LibraryCallKit*)this; }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	98
0 a61af66fc99e Initial load duke parents: diff changeset	99 ciMethod* caller() const { return jvms()->method(); }
a61af66fc99e Initial load duke parents: diff changeset	100 int bci() const { return jvms()->bci(); }
a61af66fc99e Initial load duke parents: diff changeset	101 LibraryIntrinsic* intrinsic() const { return _intrinsic; }
a61af66fc99e Initial load duke parents: diff changeset	102 vmIntrinsics::ID intrinsic_id() const { return _intrinsic->intrinsic_id(); }
a61af66fc99e Initial load duke parents: diff changeset	103 ciMethod* callee() const { return _intrinsic->method(); }
a61af66fc99e Initial load duke parents: diff changeset	104
a61af66fc99e Initial load duke parents: diff changeset	105 bool try_to_inline();
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	106 Node* try_to_predicate();
0 a61af66fc99e Initial load duke parents: diff changeset	107
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	108 void push_result() {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	109 // Push the result onto the stack.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	110 if (!stopped() && result() != NULL) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	111 BasicType bt = result()->bottom_type()->basic_type();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	112 push_node(bt, result());
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	113 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	114 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	115
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	116 private:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	117 void fatal_unexpected_iid(vmIntrinsics::ID iid) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	118 fatal(err_msg_res("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	119 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	120
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	121 void set_result(Node* n) { assert(_result == NULL, "only set once"); _result = n; }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	122 void set_result(RegionNode* region, PhiNode* value);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	123 Node* result() { return _result; }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	124
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	125 virtual int reexecute_sp() { return _reexecute_sp; }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	126
0 a61af66fc99e Initial load duke parents: diff changeset	127 // Helper functions to inline natives
a61af66fc99e Initial load duke parents: diff changeset	128 Node* generate_guard(Node* test, RegionNode* region, float true_prob);
a61af66fc99e Initial load duke parents: diff changeset	129 Node* generate_slow_guard(Node* test, RegionNode* region);
a61af66fc99e Initial load duke parents: diff changeset	130 Node* generate_fair_guard(Node* test, RegionNode* region);
a61af66fc99e Initial load duke parents: diff changeset	131 Node* generate_negative_guard(Node* index, RegionNode* region,
a61af66fc99e Initial load duke parents: diff changeset	132 // resulting CastII of index:
a61af66fc99e Initial load duke parents: diff changeset	133 Node* *pos_index = NULL);
a61af66fc99e Initial load duke parents: diff changeset	134 Node* generate_nonpositive_guard(Node* index, bool never_negative,
a61af66fc99e Initial load duke parents: diff changeset	135 // resulting CastII of index:
a61af66fc99e Initial load duke parents: diff changeset	136 Node* *pos_index = NULL);
a61af66fc99e Initial load duke parents: diff changeset	137 Node* generate_limit_guard(Node* offset, Node* subseq_length,
a61af66fc99e Initial load duke parents: diff changeset	138 Node* array_length,
a61af66fc99e Initial load duke parents: diff changeset	139 RegionNode* region);
a61af66fc99e Initial load duke parents: diff changeset	140 Node* generate_current_thread(Node* &tls_output);
a61af66fc99e Initial load duke parents: diff changeset	141 address basictype2arraycopy(BasicType t, Node src_offset, Node dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	142 bool disjoint_bases, const char* &name, bool dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	143 Node* load_mirror_from_klass(Node* klass);
a61af66fc99e Initial load duke parents: diff changeset	144 Node* load_klass_from_mirror_common(Node* mirror, bool never_see_null,
a61af66fc99e Initial load duke parents: diff changeset	145 RegionNode* region, int null_path,
a61af66fc99e Initial load duke parents: diff changeset	146 int offset);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	147 Node* load_klass_from_mirror(Node* mirror, bool never_see_null,
0 a61af66fc99e Initial load duke parents: diff changeset	148 RegionNode* region, int null_path) {
a61af66fc99e Initial load duke parents: diff changeset	149 int offset = java_lang_Class::klass_offset_in_bytes();
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	150 return load_klass_from_mirror_common(mirror, never_see_null,
0 a61af66fc99e Initial load duke parents: diff changeset	151 region, null_path,
a61af66fc99e Initial load duke parents: diff changeset	152 offset);
a61af66fc99e Initial load duke parents: diff changeset	153 }
a61af66fc99e Initial load duke parents: diff changeset	154 Node* load_array_klass_from_mirror(Node* mirror, bool never_see_null,
a61af66fc99e Initial load duke parents: diff changeset	155 RegionNode* region, int null_path) {
a61af66fc99e Initial load duke parents: diff changeset	156 int offset = java_lang_Class::array_klass_offset_in_bytes();
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	157 return load_klass_from_mirror_common(mirror, never_see_null,
0 a61af66fc99e Initial load duke parents: diff changeset	158 region, null_path,
a61af66fc99e Initial load duke parents: diff changeset	159 offset);
a61af66fc99e Initial load duke parents: diff changeset	160 }
a61af66fc99e Initial load duke parents: diff changeset	161 Node* generate_access_flags_guard(Node* kls,
a61af66fc99e Initial load duke parents: diff changeset	162 int modifier_mask, int modifier_bits,
a61af66fc99e Initial load duke parents: diff changeset	163 RegionNode* region);
a61af66fc99e Initial load duke parents: diff changeset	164 Node* generate_interface_guard(Node* kls, RegionNode* region);
a61af66fc99e Initial load duke parents: diff changeset	165 Node* generate_array_guard(Node* kls, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	166 return generate_array_guard_common(kls, region, false, false);
a61af66fc99e Initial load duke parents: diff changeset	167 }
a61af66fc99e Initial load duke parents: diff changeset	168 Node* generate_non_array_guard(Node* kls, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	169 return generate_array_guard_common(kls, region, false, true);
a61af66fc99e Initial load duke parents: diff changeset	170 }
a61af66fc99e Initial load duke parents: diff changeset	171 Node* generate_objArray_guard(Node* kls, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	172 return generate_array_guard_common(kls, region, true, false);
a61af66fc99e Initial load duke parents: diff changeset	173 }
a61af66fc99e Initial load duke parents: diff changeset	174 Node* generate_non_objArray_guard(Node* kls, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	175 return generate_array_guard_common(kls, region, true, true);
a61af66fc99e Initial load duke parents: diff changeset	176 }
a61af66fc99e Initial load duke parents: diff changeset	177 Node* generate_array_guard_common(Node* kls, RegionNode* region,
a61af66fc99e Initial load duke parents: diff changeset	178 bool obj_array, bool not_array);
a61af66fc99e Initial load duke parents: diff changeset	179 Node* generate_virtual_guard(Node* obj_klass, RegionNode* slow_region);
a61af66fc99e Initial load duke parents: diff changeset	180 CallJavaNode* generate_method_call(vmIntrinsics::ID method_id,
a61af66fc99e Initial load duke parents: diff changeset	181 bool is_virtual = false, bool is_static = false);
a61af66fc99e Initial load duke parents: diff changeset	182 CallJavaNode* generate_method_call_static(vmIntrinsics::ID method_id) {
a61af66fc99e Initial load duke parents: diff changeset	183 return generate_method_call(method_id, false, true);
a61af66fc99e Initial load duke parents: diff changeset	184 }
a61af66fc99e Initial load duke parents: diff changeset	185 CallJavaNode* generate_method_call_virtual(vmIntrinsics::ID method_id) {
a61af66fc99e Initial load duke parents: diff changeset	186 return generate_method_call(method_id, true, false);
a61af66fc99e Initial load duke parents: diff changeset	187 }
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	188 Node * load_field_from_object(Node * fromObj, const char * fieldName, const char * fieldTypeString, bool is_exact, bool is_static);
0 a61af66fc99e Initial load duke parents: diff changeset	189
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	190 Node* make_string_method_node(int opcode, Node* str1_start, Node* cnt1, Node* str2_start, Node* cnt2);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	191 Node* make_string_method_node(int opcode, Node* str1, Node* str2);
0 a61af66fc99e Initial load duke parents: diff changeset	192 bool inline_string_compareTo();
a61af66fc99e Initial load duke parents: diff changeset	193 bool inline_string_indexOf();
a61af66fc99e Initial load duke parents: diff changeset	194 Node* string_indexOf(Node* string_object, ciTypeArray* target_array, jint offset, jint cache_i, jint md2_i);
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	195 bool inline_string_equals();
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	196 Node* round_double_node(Node* n);
0 a61af66fc99e Initial load duke parents: diff changeset	197 bool runtime_math(const TypeFunc* call_type, address funcAddr, const char* funcName);
a61af66fc99e Initial load duke parents: diff changeset	198 bool inline_math_native(vmIntrinsics::ID id);
a61af66fc99e Initial load duke parents: diff changeset	199 bool inline_trig(vmIntrinsics::ID id);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	200 bool inline_math(vmIntrinsics::ID id);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	201 bool inline_exp();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	202 bool inline_pow();
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	203 void finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName);
0 a61af66fc99e Initial load duke parents: diff changeset	204 bool inline_min_max(vmIntrinsics::ID id);
a61af66fc99e Initial load duke parents: diff changeset	205 Node* generate_min_max(vmIntrinsics::ID id, Node* x, Node* y);
a61af66fc99e Initial load duke parents: diff changeset	206 // This returns Type::AnyPtr, RawPtr, or OopPtr.
a61af66fc99e Initial load duke parents: diff changeset	207 int classify_unsafe_addr(Node* &base, Node* &offset);
a61af66fc99e Initial load duke parents: diff changeset	208 Node* make_unsafe_address(Node* base, Node* offset);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	209 // Helper for inline_unsafe_access.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	210 // Generates the guards that check whether the result of
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	211 // Unsafe.getObject should be recorded in an SATB log buffer.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	212 void insert_pre_barrier(Node* base_oop, Node* offset, Node* pre_val, bool need_mem_bar);
0 a61af66fc99e Initial load duke parents: diff changeset	213 bool inline_unsafe_access(bool is_native_ptr, bool is_store, BasicType type, bool is_volatile);
a61af66fc99e Initial load duke parents: diff changeset	214 bool inline_unsafe_prefetch(bool is_native_ptr, bool is_store, bool is_static);
a61af66fc99e Initial load duke parents: diff changeset	215 bool inline_unsafe_allocate();
a61af66fc99e Initial load duke parents: diff changeset	216 bool inline_unsafe_copyMemory();
a61af66fc99e Initial load duke parents: diff changeset	217 bool inline_native_currentThread();
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	218 #ifdef TRACE_HAVE_INTRINSICS
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	219 bool inline_native_classID();
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	220 bool inline_native_threadID();
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	221 #endif
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	222 bool inline_native_time_funcs(address method, const char* funcName);
0 a61af66fc99e Initial load duke parents: diff changeset	223 bool inline_native_isInterrupted();
a61af66fc99e Initial load duke parents: diff changeset	224 bool inline_native_Class_query(vmIntrinsics::ID id);
a61af66fc99e Initial load duke parents: diff changeset	225 bool inline_native_subtype_check();
a61af66fc99e Initial load duke parents: diff changeset	226
a61af66fc99e Initial load duke parents: diff changeset	227 bool inline_native_newArray();
a61af66fc99e Initial load duke parents: diff changeset	228 bool inline_native_getLength();
a61af66fc99e Initial load duke parents: diff changeset	229 bool inline_array_copyOf(bool is_copyOfRange);
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	230 bool inline_array_equals();
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	231 void copy_to_clone(Node* obj, Node* alloc_obj, Node* obj_size, bool is_array, bool card_mark);
0 a61af66fc99e Initial load duke parents: diff changeset	232 bool inline_native_clone(bool is_virtual);
a61af66fc99e Initial load duke parents: diff changeset	233 bool inline_native_Reflection_getCallerClass();
a61af66fc99e Initial load duke parents: diff changeset	234 bool is_method_invoke_or_aux_frame(JVMState* jvms);
a61af66fc99e Initial load duke parents: diff changeset	235 // Helper function for inlining native object hash method
a61af66fc99e Initial load duke parents: diff changeset	236 bool inline_native_hashcode(bool is_virtual, bool is_static);
a61af66fc99e Initial load duke parents: diff changeset	237 bool inline_native_getClass();
a61af66fc99e Initial load duke parents: diff changeset	238
a61af66fc99e Initial load duke parents: diff changeset	239 // Helper functions for inlining arraycopy
a61af66fc99e Initial load duke parents: diff changeset	240 bool inline_arraycopy();
a61af66fc99e Initial load duke parents: diff changeset	241 void generate_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	242 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	243 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	244 Node* dest, Node* dest_offset,
a61af66fc99e Initial load duke parents: diff changeset	245 Node* copy_length,
a61af66fc99e Initial load duke parents: diff changeset	246 bool disjoint_bases = false,
a61af66fc99e Initial load duke parents: diff changeset	247 bool length_never_negative = false,
a61af66fc99e Initial load duke parents: diff changeset	248 RegionNode* slow_region = NULL);
a61af66fc99e Initial load duke parents: diff changeset	249 AllocateArrayNode* tightly_coupled_allocation(Node* ptr,
a61af66fc99e Initial load duke parents: diff changeset	250 RegionNode* slow_region);
a61af66fc99e Initial load duke parents: diff changeset	251 void generate_clear_array(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	252 Node* dest,
a61af66fc99e Initial load duke parents: diff changeset	253 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	254 Node* slice_off,
a61af66fc99e Initial load duke parents: diff changeset	255 Node* slice_len,
a61af66fc99e Initial load duke parents: diff changeset	256 Node* slice_end);
a61af66fc99e Initial load duke parents: diff changeset	257 bool generate_block_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	258 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	259 AllocateNode* alloc,
a61af66fc99e Initial load duke parents: diff changeset	260 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	261 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	262 Node* dest_size, bool dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	263 void generate_slow_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	264 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	265 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	266 Node* copy_length, bool dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	267 Node* generate_checkcast_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	268 Node* dest_elem_klass,
a61af66fc99e Initial load duke parents: diff changeset	269 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	270 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	271 Node* copy_length, bool dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	272 Node* generate_generic_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	273 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	274 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	275 Node* copy_length, bool dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	276 void generate_unchecked_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	277 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	278 bool disjoint_bases,
a61af66fc99e Initial load duke parents: diff changeset	279 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	280 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	281 Node* copy_length, bool dest_uninitialized);
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	282 typedef enum { LS_xadd, LS_xchg, LS_cmpxchg } LoadStoreKind;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	283 bool inline_unsafe_load_store(BasicType type, LoadStoreKind kind);
0 a61af66fc99e Initial load duke parents: diff changeset	284 bool inline_unsafe_ordered_store(BasicType type);
a61af66fc99e Initial load duke parents: diff changeset	285 bool inline_fp_conversions(vmIntrinsics::ID id);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	286 bool inline_number_methods(vmIntrinsics::ID id);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	287 bool inline_reference_get();
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	288 bool inline_aescrypt_Block(vmIntrinsics::ID id);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	289 bool inline_cipherBlockChaining_AESCrypt(vmIntrinsics::ID id);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	290 Node* inline_cipherBlockChaining_AESCrypt_predicate(bool decrypting);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	291 Node* get_key_start_from_aescrypt_object(Node* aescrypt_object);
0 a61af66fc99e Initial load duke parents: diff changeset	292 };
a61af66fc99e Initial load duke parents: diff changeset	293
a61af66fc99e Initial load duke parents: diff changeset	294
a61af66fc99e Initial load duke parents: diff changeset	295 //---------------------------make_vm_intrinsic----------------------------
a61af66fc99e Initial load duke parents: diff changeset	296 CallGenerator* Compile::make_vm_intrinsic(ciMethod* m, bool is_virtual) {
a61af66fc99e Initial load duke parents: diff changeset	297 vmIntrinsics::ID id = m->intrinsic_id();
a61af66fc99e Initial load duke parents: diff changeset	298 assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
a61af66fc99e Initial load duke parents: diff changeset	299
a61af66fc99e Initial load duke parents: diff changeset	300 if (DisableIntrinsic[0] != '\0'
a61af66fc99e Initial load duke parents: diff changeset	301 && strstr(DisableIntrinsic, vmIntrinsics::name_at(id)) != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	302 // disabled by a user request on the command line:
a61af66fc99e Initial load duke parents: diff changeset	303 // example: -XX:DisableIntrinsic=_hashCode,_getClass
a61af66fc99e Initial load duke parents: diff changeset	304 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	305 }
a61af66fc99e Initial load duke parents: diff changeset	306
a61af66fc99e Initial load duke parents: diff changeset	307 if (!m->is_loaded()) {
a61af66fc99e Initial load duke parents: diff changeset	308 // do not attempt to inline unloaded methods
a61af66fc99e Initial load duke parents: diff changeset	309 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	310 }
a61af66fc99e Initial load duke parents: diff changeset	311
a61af66fc99e Initial load duke parents: diff changeset	312 // Only a few intrinsics implement a virtual dispatch.
a61af66fc99e Initial load duke parents: diff changeset	313 // They are expensive calls which are also frequently overridden.
a61af66fc99e Initial load duke parents: diff changeset	314 if (is_virtual) {
a61af66fc99e Initial load duke parents: diff changeset	315 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	316 case vmIntrinsics::_hashCode:
a61af66fc99e Initial load duke parents: diff changeset	317 case vmIntrinsics::_clone:
a61af66fc99e Initial load duke parents: diff changeset	318 // OK, Object.hashCode and Object.clone intrinsics come in both flavors
a61af66fc99e Initial load duke parents: diff changeset	319 break;
a61af66fc99e Initial load duke parents: diff changeset	320 default:
a61af66fc99e Initial load duke parents: diff changeset	321 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	322 }
a61af66fc99e Initial load duke parents: diff changeset	323 }
a61af66fc99e Initial load duke parents: diff changeset	324
a61af66fc99e Initial load duke parents: diff changeset	325 // -XX:-InlineNatives disables nearly all intrinsics:
a61af66fc99e Initial load duke parents: diff changeset	326 if (!InlineNatives) {
a61af66fc99e Initial load duke parents: diff changeset	327 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	328 case vmIntrinsics::_indexOf:
a61af66fc99e Initial load duke parents: diff changeset	329 case vmIntrinsics::_compareTo:
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	330 case vmIntrinsics::_equals:
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	331 case vmIntrinsics::_equalsC:
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	332 case vmIntrinsics::_getAndAddInt:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	333 case vmIntrinsics::_getAndAddLong:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	334 case vmIntrinsics::_getAndSetInt:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	335 case vmIntrinsics::_getAndSetLong:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	336 case vmIntrinsics::_getAndSetObject:
0 a61af66fc99e Initial load duke parents: diff changeset	337 break; // InlineNatives does not control String.compareTo
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	338 case vmIntrinsics::_Reference_get:
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	339 break; // InlineNatives does not control Reference.get
0 a61af66fc99e Initial load duke parents: diff changeset	340 default:
a61af66fc99e Initial load duke parents: diff changeset	341 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	342 }
a61af66fc99e Initial load duke parents: diff changeset	343 }
a61af66fc99e Initial load duke parents: diff changeset	344
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	345 bool is_predicted = false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	346
0 a61af66fc99e Initial load duke parents: diff changeset	347 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	348 case vmIntrinsics::_compareTo:
a61af66fc99e Initial load duke parents: diff changeset	349 if (!SpecialStringCompareTo) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	350 if (!Matcher::match_rule_supported(Op_StrComp)) return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	351 break;
a61af66fc99e Initial load duke parents: diff changeset	352 case vmIntrinsics::_indexOf:
a61af66fc99e Initial load duke parents: diff changeset	353 if (!SpecialStringIndexOf) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	354 break;
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	355 case vmIntrinsics::_equals:
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	356 if (!SpecialStringEquals) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	357 if (!Matcher::match_rule_supported(Op_StrEquals)) return NULL;
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	358 break;
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	359 case vmIntrinsics::_equalsC:
9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	360 if (!SpecialArraysEquals) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	361 if (!Matcher::match_rule_supported(Op_AryEq)) return NULL;
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	362 break;
0 a61af66fc99e Initial load duke parents: diff changeset	363 case vmIntrinsics::_arraycopy:
a61af66fc99e Initial load duke parents: diff changeset	364 if (!InlineArrayCopy) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	365 break;
a61af66fc99e Initial load duke parents: diff changeset	366 case vmIntrinsics::_copyMemory:
a61af66fc99e Initial load duke parents: diff changeset	367 if (StubRoutines::unsafe_arraycopy() == NULL) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	368 if (!InlineArrayCopy) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	369 break;
a61af66fc99e Initial load duke parents: diff changeset	370 case vmIntrinsics::_hashCode:
a61af66fc99e Initial load duke parents: diff changeset	371 if (!InlineObjectHash) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	372 break;
a61af66fc99e Initial load duke parents: diff changeset	373 case vmIntrinsics::_clone:
a61af66fc99e Initial load duke parents: diff changeset	374 case vmIntrinsics::_copyOf:
a61af66fc99e Initial load duke parents: diff changeset	375 case vmIntrinsics::_copyOfRange:
a61af66fc99e Initial load duke parents: diff changeset	376 if (!InlineObjectCopy) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	377 // These also use the arraycopy intrinsic mechanism:
a61af66fc99e Initial load duke parents: diff changeset	378 if (!InlineArrayCopy) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	379 break;
a61af66fc99e Initial load duke parents: diff changeset	380 case vmIntrinsics::_checkIndex:
a61af66fc99e Initial load duke parents: diff changeset	381 // We do not intrinsify this. The optimizer does fine with it.
a61af66fc99e Initial load duke parents: diff changeset	382 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	383
a61af66fc99e Initial load duke parents: diff changeset	384 case vmIntrinsics::_getCallerClass:
a61af66fc99e Initial load duke parents: diff changeset	385 if (!UseNewReflection) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	386 if (!InlineReflectionGetCallerClass) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	387 if (!JDK_Version::is_gte_jdk14x_version()) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	388 break;
a61af66fc99e Initial load duke parents: diff changeset	389
643 c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	390 case vmIntrinsics::_bitCount_i:
5934 61b82be3b1ff 7152957: VM crashes with assert(false) failed: bad AD file never parents: 5927 diff changeset	391 if (!Matcher::match_rule_supported(Op_PopCountI)) return NULL;
5927 b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	392 break;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	393
643 c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	394 case vmIntrinsics::_bitCount_l:
5934 61b82be3b1ff 7152957: VM crashes with assert(false) failed: bad AD file never parents: 5927 diff changeset	395 if (!Matcher::match_rule_supported(Op_PopCountL)) return NULL;
5927 b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	396 break;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	397
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	398 case vmIntrinsics::_numberOfLeadingZeros_i:
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	399 if (!Matcher::match_rule_supported(Op_CountLeadingZerosI)) return NULL;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	400 break;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	401
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	402 case vmIntrinsics::_numberOfLeadingZeros_l:
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	403 if (!Matcher::match_rule_supported(Op_CountLeadingZerosL)) return NULL;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	404 break;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	405
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	406 case vmIntrinsics::_numberOfTrailingZeros_i:
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	407 if (!Matcher::match_rule_supported(Op_CountTrailingZerosI)) return NULL;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	408 break;
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	409
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	410 case vmIntrinsics::_numberOfTrailingZeros_l:
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	411 if (!Matcher::match_rule_supported(Op_CountTrailingZerosL)) return NULL;
643 c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	412 break;
c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	413
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	414 case vmIntrinsics::_reverseBytes_c:
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	415 if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	416 break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	417 case vmIntrinsics::_reverseBytes_s:
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	418 if (!Matcher::match_rule_supported(Op_ReverseBytesS)) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	419 break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	420 case vmIntrinsics::_reverseBytes_i:
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	421 if (!Matcher::match_rule_supported(Op_ReverseBytesI)) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	422 break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	423 case vmIntrinsics::_reverseBytes_l:
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	424 if (!Matcher::match_rule_supported(Op_ReverseBytesL)) return NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	425 break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	426
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	427 case vmIntrinsics::_Reference_get:
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	428 // Use the intrinsic version of Reference.get() so that the value in
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	429 // the referent field can be registered by the G1 pre-barrier code.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	430 // Also add memory barrier to prevent commoning reads from this field
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	431 // across safepoint since GC can change it value.
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	432 break;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	433
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	434 case vmIntrinsics::_compareAndSwapObject:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	435 #ifdef _LP64
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	436 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapP)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	437 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	438 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	439
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	440 case vmIntrinsics::_compareAndSwapLong:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	441 if (!Matcher::match_rule_supported(Op_CompareAndSwapL)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	442 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	443
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	444 case vmIntrinsics::_getAndAddInt:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	445 if (!Matcher::match_rule_supported(Op_GetAndAddI)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	446 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	447
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	448 case vmIntrinsics::_getAndAddLong:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	449 if (!Matcher::match_rule_supported(Op_GetAndAddL)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	450 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	451
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	452 case vmIntrinsics::_getAndSetInt:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	453 if (!Matcher::match_rule_supported(Op_GetAndSetI)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	454 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	455
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	456 case vmIntrinsics::_getAndSetLong:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	457 if (!Matcher::match_rule_supported(Op_GetAndSetL)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	458 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	459
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	460 case vmIntrinsics::_getAndSetObject:
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	461 #ifdef _LP64
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	462 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetP)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	463 if (UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetN)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	464 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	465 #else
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	466 if (!Matcher::match_rule_supported(Op_GetAndSetP)) return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	467 break;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	468 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	469
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	470 case vmIntrinsics::_aescrypt_encryptBlock:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	471 case vmIntrinsics::_aescrypt_decryptBlock:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	472 if (!UseAESIntrinsics) return NULL;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	473 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	474
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	475 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	476 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	477 if (!UseAESIntrinsics) return NULL;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	478 // these two require the predicated logic
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	479 is_predicted = true;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	480 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	481
0 a61af66fc99e Initial load duke parents: diff changeset	482 default:
856 75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics jrose parents: 851 diff changeset	483 assert(id <= vmIntrinsics::LAST_COMPILER_INLINE, "caller responsibility");
75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics jrose parents: 851 diff changeset	484 assert(id != vmIntrinsics::_Object_init && id != vmIntrinsics::_invoke, "enum out of order?");
0 a61af66fc99e Initial load duke parents: diff changeset	485 break;
a61af66fc99e Initial load duke parents: diff changeset	486 }
a61af66fc99e Initial load duke parents: diff changeset	487
a61af66fc99e Initial load duke parents: diff changeset	488 // -XX:-InlineClassNatives disables natives from the Class class.
a61af66fc99e Initial load duke parents: diff changeset	489 // The flag applies to all reflective calls, notably Array.newArray
a61af66fc99e Initial load duke parents: diff changeset	490 // (visible to Java programmers as Array.newInstance).
a61af66fc99e Initial load duke parents: diff changeset	491 if (m->holder()->name() == ciSymbol::java_lang_Class() \|\|
a61af66fc99e Initial load duke parents: diff changeset	492 m->holder()->name() == ciSymbol::java_lang_reflect_Array()) {
a61af66fc99e Initial load duke parents: diff changeset	493 if (!InlineClassNatives) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	494 }
a61af66fc99e Initial load duke parents: diff changeset	495
a61af66fc99e Initial load duke parents: diff changeset	496 // -XX:-InlineThreadNatives disables natives from the Thread class.
a61af66fc99e Initial load duke parents: diff changeset	497 if (m->holder()->name() == ciSymbol::java_lang_Thread()) {
a61af66fc99e Initial load duke parents: diff changeset	498 if (!InlineThreadNatives) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	499 }
a61af66fc99e Initial load duke parents: diff changeset	500
a61af66fc99e Initial load duke parents: diff changeset	501 // -XX:-InlineMathNatives disables natives from the Math,Float and Double classes.
a61af66fc99e Initial load duke parents: diff changeset	502 if (m->holder()->name() == ciSymbol::java_lang_Math() \|\|
a61af66fc99e Initial load duke parents: diff changeset	503 m->holder()->name() == ciSymbol::java_lang_Float() \|\|
a61af66fc99e Initial load duke parents: diff changeset	504 m->holder()->name() == ciSymbol::java_lang_Double()) {
a61af66fc99e Initial load duke parents: diff changeset	505 if (!InlineMathNatives) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	506 }
a61af66fc99e Initial load duke parents: diff changeset	507
a61af66fc99e Initial load duke parents: diff changeset	508 // -XX:-InlineUnsafeOps disables natives from the Unsafe class.
a61af66fc99e Initial load duke parents: diff changeset	509 if (m->holder()->name() == ciSymbol::sun_misc_Unsafe()) {
a61af66fc99e Initial load duke parents: diff changeset	510 if (!InlineUnsafeOps) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	511 }
a61af66fc99e Initial load duke parents: diff changeset	512
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	513 return new LibraryIntrinsic(m, is_virtual, is_predicted, (vmIntrinsics::ID) id);
0 a61af66fc99e Initial load duke parents: diff changeset	514 }
a61af66fc99e Initial load duke parents: diff changeset	515
a61af66fc99e Initial load duke parents: diff changeset	516 //----------------------register_library_intrinsics-----------------------
a61af66fc99e Initial load duke parents: diff changeset	517 // Initialize this file's data structures, for each Compile instance.
a61af66fc99e Initial load duke parents: diff changeset	518 void Compile::register_library_intrinsics() {
a61af66fc99e Initial load duke parents: diff changeset	519 // Nothing to do here.
a61af66fc99e Initial load duke parents: diff changeset	520 }
a61af66fc99e Initial load duke parents: diff changeset	521
a61af66fc99e Initial load duke parents: diff changeset	522 JVMState* LibraryIntrinsic::generate(JVMState* jvms) {
a61af66fc99e Initial load duke parents: diff changeset	523 LibraryCallKit kit(jvms, this);
a61af66fc99e Initial load duke parents: diff changeset	524 Compile* C = kit.C;
a61af66fc99e Initial load duke parents: diff changeset	525 int nodes = C->unique();
a61af66fc99e Initial load duke parents: diff changeset	526 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	527 if ((PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	528 char buf[1000];
a61af66fc99e Initial load duke parents: diff changeset	529 const char* str = vmIntrinsics::short_name_as_C_string(intrinsic_id(), buf, sizeof(buf));
a61af66fc99e Initial load duke parents: diff changeset	530 tty->print_cr("Intrinsic %s", str);
a61af66fc99e Initial load duke parents: diff changeset	531 }
a61af66fc99e Initial load duke parents: diff changeset	532 #endif
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	533 ciMethod* callee = kit.callee();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	534 const int bci = kit.bci();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	535
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	536 // Try to inline the intrinsic.
0 a61af66fc99e Initial load duke parents: diff changeset	537 if (kit.try_to_inline()) {
a61af66fc99e Initial load duke parents: diff changeset	538 if (PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) {
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	539 C->print_inlining(callee, jvms->depth() - 1, bci, is_virtual() ? "(intrinsic, virtual)" : "(intrinsic)");
0 a61af66fc99e Initial load duke parents: diff changeset	540 }
a61af66fc99e Initial load duke parents: diff changeset	541 C->gather_intrinsic_statistics(intrinsic_id(), is_virtual(), Compile::_intrinsic_worked);
a61af66fc99e Initial load duke parents: diff changeset	542 if (C->log()) {
a61af66fc99e Initial load duke parents: diff changeset	543 C->log()->elem("intrinsic id='%s'%s nodes='%d'",
a61af66fc99e Initial load duke parents: diff changeset	544 vmIntrinsics::name_at(intrinsic_id()),
a61af66fc99e Initial load duke parents: diff changeset	545 (is_virtual() ? " virtual='1'" : ""),
a61af66fc99e Initial load duke parents: diff changeset	546 C->unique() - nodes);
a61af66fc99e Initial load duke parents: diff changeset	547 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	548 // Push the result from the inlined method onto the stack.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	549 kit.push_result();
0 a61af66fc99e Initial load duke parents: diff changeset	550 return kit.transfer_exceptions_into_jvms();
a61af66fc99e Initial load duke parents: diff changeset	551 }
a61af66fc99e Initial load duke parents: diff changeset	552
5927 b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	553 // The intrinsic bailed out
b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	554 if (PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) {
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	555 if (jvms->has_method()) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	556 // Not a root compile.
5927 b40ac3579043 6658428: C2 doesn't inline java method if corresponding intrinsic failed to inline. never parents: 4902 diff changeset	557 const char* msg = is_virtual() ? "failed to inline (intrinsic, virtual)" : "failed to inline (intrinsic)";
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	558 C->print_inlining(callee, jvms->depth() - 1, bci, msg);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	559 } else {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	560 // Root compile
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	561 tty->print("Did not generate intrinsic %s%s at bci:%d in",
856 75596850f863 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics jrose parents: 851 diff changeset	562 vmIntrinsics::name_at(intrinsic_id()),
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	563 (is_virtual() ? " (virtual)" : ""), bci);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	564 }
0 a61af66fc99e Initial load duke parents: diff changeset	565 }
a61af66fc99e Initial load duke parents: diff changeset	566 C->gather_intrinsic_statistics(intrinsic_id(), is_virtual(), Compile::_intrinsic_failed);
a61af66fc99e Initial load duke parents: diff changeset	567 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	568 }
a61af66fc99e Initial load duke parents: diff changeset	569
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	570 Node* LibraryIntrinsic::generate_predicate(JVMState* jvms) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	571 LibraryCallKit kit(jvms, this);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	572 Compile* C = kit.C;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	573 int nodes = C->unique();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	574 #ifndef PRODUCT
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	575 assert(is_predicted(), "sanity");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	576 if ((PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) && Verbose) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	577 char buf[1000];
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	578 const char* str = vmIntrinsics::short_name_as_C_string(intrinsic_id(), buf, sizeof(buf));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	579 tty->print_cr("Predicate for intrinsic %s", str);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	580 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	581 #endif
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	582 ciMethod* callee = kit.callee();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	583 const int bci = kit.bci();
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	584
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	585 Node* slow_ctl = kit.try_to_predicate();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	586 if (!kit.failing()) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	587 if (PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) {
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	588 C->print_inlining(callee, jvms->depth() - 1, bci, is_virtual() ? "(intrinsic, virtual)" : "(intrinsic)");
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	589 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	590 C->gather_intrinsic_statistics(intrinsic_id(), is_virtual(), Compile::_intrinsic_worked);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	591 if (C->log()) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	592 C->log()->elem("predicate_intrinsic id='%s'%s nodes='%d'",
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	593 vmIntrinsics::name_at(intrinsic_id()),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	594 (is_virtual() ? " virtual='1'" : ""),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	595 C->unique() - nodes);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	596 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	597 return slow_ctl; // Could be NULL if the check folds.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	598 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	599
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	600 // The intrinsic bailed out
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	601 if (PrintIntrinsics \|\| PrintInlining NOT_PRODUCT( \|\| PrintOptoInlining) ) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	602 if (jvms->has_method()) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	603 // Not a root compile.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	604 const char* msg = "failed to generate predicate for intrinsic";
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	605 C->print_inlining(kit.callee(), jvms->depth() - 1, bci, msg);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	606 } else {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	607 // Root compile
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	608 C->print_inlining_stream()->print("Did not generate predicate for intrinsic %s%s at bci:%d in",
ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	609 vmIntrinsics::name_at(intrinsic_id()),
ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	610 (is_virtual() ? " (virtual)" : ""), bci);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	611 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	612 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	613 C->gather_intrinsic_statistics(intrinsic_id(), is_virtual(), Compile::_intrinsic_failed);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	614 return NULL;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	615 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	616
0 a61af66fc99e Initial load duke parents: diff changeset	617 bool LibraryCallKit::try_to_inline() {
a61af66fc99e Initial load duke parents: diff changeset	618 // Handle symbolic names for otherwise undistinguished boolean switches:
a61af66fc99e Initial load duke parents: diff changeset	619 const bool is_store = true;
a61af66fc99e Initial load duke parents: diff changeset	620 const bool is_native_ptr = true;
a61af66fc99e Initial load duke parents: diff changeset	621 const bool is_static = true;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	622 const bool is_volatile = true;
0 a61af66fc99e Initial load duke parents: diff changeset	623
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	624 if (!jvms()->has_method()) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	625 // Root JVMState has a null method.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	626 assert(map()->memory()->Opcode() == Op_Parm, "");
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	627 // Insert the memory aliasing node
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	628 set_all_memory(reset_memory());
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	629 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	630 assert(merged_memory(), "");
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	631
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	632
0 a61af66fc99e Initial load duke parents: diff changeset	633 switch (intrinsic_id()) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	634 case vmIntrinsics::_hashCode: return inline_native_hashcode(intrinsic()->is_virtual(), !is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	635 case vmIntrinsics::_identityHashCode: return inline_native_hashcode(/!virtual/ false, is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	636 case vmIntrinsics::_getClass: return inline_native_getClass();
0 a61af66fc99e Initial load duke parents: diff changeset	637
a61af66fc99e Initial load duke parents: diff changeset	638 case vmIntrinsics::_dsin:
a61af66fc99e Initial load duke parents: diff changeset	639 case vmIntrinsics::_dcos:
a61af66fc99e Initial load duke parents: diff changeset	640 case vmIntrinsics::_dtan:
a61af66fc99e Initial load duke parents: diff changeset	641 case vmIntrinsics::_dabs:
a61af66fc99e Initial load duke parents: diff changeset	642 case vmIntrinsics::_datan2:
a61af66fc99e Initial load duke parents: diff changeset	643 case vmIntrinsics::_dsqrt:
a61af66fc99e Initial load duke parents: diff changeset	644 case vmIntrinsics::_dexp:
a61af66fc99e Initial load duke parents: diff changeset	645 case vmIntrinsics::_dlog:
a61af66fc99e Initial load duke parents: diff changeset	646 case vmIntrinsics::_dlog10:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	647 case vmIntrinsics::_dpow: return inline_math_native(intrinsic_id());
0 a61af66fc99e Initial load duke parents: diff changeset	648
a61af66fc99e Initial load duke parents: diff changeset	649 case vmIntrinsics::_min:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	650 case vmIntrinsics::_max: return inline_min_max(intrinsic_id());
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	651
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	652 case vmIntrinsics::_arraycopy: return inline_arraycopy();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	653
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	654 case vmIntrinsics::_compareTo: return inline_string_compareTo();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	655 case vmIntrinsics::_indexOf: return inline_string_indexOf();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	656 case vmIntrinsics::_equals: return inline_string_equals();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	657
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	658 case vmIntrinsics::_getObject: return inline_unsafe_access(!is_native_ptr, !is_store, T_OBJECT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	659 case vmIntrinsics::_getBoolean: return inline_unsafe_access(!is_native_ptr, !is_store, T_BOOLEAN, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	660 case vmIntrinsics::_getByte: return inline_unsafe_access(!is_native_ptr, !is_store, T_BYTE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	661 case vmIntrinsics::_getShort: return inline_unsafe_access(!is_native_ptr, !is_store, T_SHORT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	662 case vmIntrinsics::_getChar: return inline_unsafe_access(!is_native_ptr, !is_store, T_CHAR, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	663 case vmIntrinsics::_getInt: return inline_unsafe_access(!is_native_ptr, !is_store, T_INT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	664 case vmIntrinsics::_getLong: return inline_unsafe_access(!is_native_ptr, !is_store, T_LONG, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	665 case vmIntrinsics::_getFloat: return inline_unsafe_access(!is_native_ptr, !is_store, T_FLOAT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	666 case vmIntrinsics::_getDouble: return inline_unsafe_access(!is_native_ptr, !is_store, T_DOUBLE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	667
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	668 case vmIntrinsics::_putObject: return inline_unsafe_access(!is_native_ptr, is_store, T_OBJECT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	669 case vmIntrinsics::_putBoolean: return inline_unsafe_access(!is_native_ptr, is_store, T_BOOLEAN, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	670 case vmIntrinsics::_putByte: return inline_unsafe_access(!is_native_ptr, is_store, T_BYTE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	671 case vmIntrinsics::_putShort: return inline_unsafe_access(!is_native_ptr, is_store, T_SHORT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	672 case vmIntrinsics::_putChar: return inline_unsafe_access(!is_native_ptr, is_store, T_CHAR, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	673 case vmIntrinsics::_putInt: return inline_unsafe_access(!is_native_ptr, is_store, T_INT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	674 case vmIntrinsics::_putLong: return inline_unsafe_access(!is_native_ptr, is_store, T_LONG, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	675 case vmIntrinsics::_putFloat: return inline_unsafe_access(!is_native_ptr, is_store, T_FLOAT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	676 case vmIntrinsics::_putDouble: return inline_unsafe_access(!is_native_ptr, is_store, T_DOUBLE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	677
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	678 case vmIntrinsics::_getByte_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_BYTE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	679 case vmIntrinsics::_getShort_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_SHORT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	680 case vmIntrinsics::_getChar_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_CHAR, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	681 case vmIntrinsics::_getInt_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_INT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	682 case vmIntrinsics::_getLong_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_LONG, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	683 case vmIntrinsics::_getFloat_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_FLOAT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	684 case vmIntrinsics::_getDouble_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_DOUBLE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	685 case vmIntrinsics::_getAddress_raw: return inline_unsafe_access( is_native_ptr, !is_store, T_ADDRESS, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	686
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	687 case vmIntrinsics::_putByte_raw: return inline_unsafe_access( is_native_ptr, is_store, T_BYTE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	688 case vmIntrinsics::_putShort_raw: return inline_unsafe_access( is_native_ptr, is_store, T_SHORT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	689 case vmIntrinsics::_putChar_raw: return inline_unsafe_access( is_native_ptr, is_store, T_CHAR, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	690 case vmIntrinsics::_putInt_raw: return inline_unsafe_access( is_native_ptr, is_store, T_INT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	691 case vmIntrinsics::_putLong_raw: return inline_unsafe_access( is_native_ptr, is_store, T_LONG, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	692 case vmIntrinsics::_putFloat_raw: return inline_unsafe_access( is_native_ptr, is_store, T_FLOAT, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	693 case vmIntrinsics::_putDouble_raw: return inline_unsafe_access( is_native_ptr, is_store, T_DOUBLE, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	694 case vmIntrinsics::_putAddress_raw: return inline_unsafe_access( is_native_ptr, is_store, T_ADDRESS, !is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	695
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	696 case vmIntrinsics::_getObjectVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_OBJECT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	697 case vmIntrinsics::_getBooleanVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_BOOLEAN, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	698 case vmIntrinsics::_getByteVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_BYTE, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	699 case vmIntrinsics::_getShortVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_SHORT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	700 case vmIntrinsics::_getCharVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_CHAR, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	701 case vmIntrinsics::_getIntVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_INT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	702 case vmIntrinsics::_getLongVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_LONG, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	703 case vmIntrinsics::_getFloatVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_FLOAT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	704 case vmIntrinsics::_getDoubleVolatile: return inline_unsafe_access(!is_native_ptr, !is_store, T_DOUBLE, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	705
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	706 case vmIntrinsics::_putObjectVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_OBJECT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	707 case vmIntrinsics::_putBooleanVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_BOOLEAN, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	708 case vmIntrinsics::_putByteVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_BYTE, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	709 case vmIntrinsics::_putShortVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_SHORT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	710 case vmIntrinsics::_putCharVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_CHAR, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	711 case vmIntrinsics::_putIntVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_INT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	712 case vmIntrinsics::_putLongVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_LONG, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	713 case vmIntrinsics::_putFloatVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_FLOAT, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	714 case vmIntrinsics::_putDoubleVolatile: return inline_unsafe_access(!is_native_ptr, is_store, T_DOUBLE, is_volatile);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	715
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	716 case vmIntrinsics::_prefetchRead: return inline_unsafe_prefetch(!is_native_ptr, !is_store, !is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	717 case vmIntrinsics::_prefetchWrite: return inline_unsafe_prefetch(!is_native_ptr, is_store, !is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	718 case vmIntrinsics::_prefetchReadStatic: return inline_unsafe_prefetch(!is_native_ptr, !is_store, is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	719 case vmIntrinsics::_prefetchWriteStatic: return inline_unsafe_prefetch(!is_native_ptr, is_store, is_static);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	720
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	721 case vmIntrinsics::_compareAndSwapObject: return inline_unsafe_load_store(T_OBJECT, LS_cmpxchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	722 case vmIntrinsics::_compareAndSwapInt: return inline_unsafe_load_store(T_INT, LS_cmpxchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	723 case vmIntrinsics::_compareAndSwapLong: return inline_unsafe_load_store(T_LONG, LS_cmpxchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	724
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	725 case vmIntrinsics::_putOrderedObject: return inline_unsafe_ordered_store(T_OBJECT);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	726 case vmIntrinsics::_putOrderedInt: return inline_unsafe_ordered_store(T_INT);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	727 case vmIntrinsics::_putOrderedLong: return inline_unsafe_ordered_store(T_LONG);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	728
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	729 case vmIntrinsics::_getAndAddInt: return inline_unsafe_load_store(T_INT, LS_xadd);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	730 case vmIntrinsics::_getAndAddLong: return inline_unsafe_load_store(T_LONG, LS_xadd);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	731 case vmIntrinsics::_getAndSetInt: return inline_unsafe_load_store(T_INT, LS_xchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	732 case vmIntrinsics::_getAndSetLong: return inline_unsafe_load_store(T_LONG, LS_xchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	733 case vmIntrinsics::_getAndSetObject: return inline_unsafe_load_store(T_OBJECT, LS_xchg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	734
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	735 case vmIntrinsics::_currentThread: return inline_native_currentThread();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	736 case vmIntrinsics::_isInterrupted: return inline_native_isInterrupted();
0 a61af66fc99e Initial load duke parents: diff changeset	737
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	738 #ifdef TRACE_HAVE_INTRINSICS
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	739 case vmIntrinsics::_classID: return inline_native_classID();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	740 case vmIntrinsics::_threadID: return inline_native_threadID();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	741 case vmIntrinsics::_counterTime: return inline_native_time_funcs(CAST_FROM_FN_PTR(address, TRACE_TIME_METHOD), "counterTime");
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	742 #endif
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	743 case vmIntrinsics::_currentTimeMillis: return inline_native_time_funcs(CAST_FROM_FN_PTR(address, os::javaTimeMillis), "currentTimeMillis");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	744 case vmIntrinsics::_nanoTime: return inline_native_time_funcs(CAST_FROM_FN_PTR(address, os::javaTimeNanos), "nanoTime");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	745 case vmIntrinsics::_allocateInstance: return inline_unsafe_allocate();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	746 case vmIntrinsics::_copyMemory: return inline_unsafe_copyMemory();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	747 case vmIntrinsics::_newArray: return inline_native_newArray();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	748 case vmIntrinsics::_getLength: return inline_native_getLength();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	749 case vmIntrinsics::_copyOf: return inline_array_copyOf(false);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	750 case vmIntrinsics::_copyOfRange: return inline_array_copyOf(true);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	751 case vmIntrinsics::_equalsC: return inline_array_equals();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	752 case vmIntrinsics::_clone: return inline_native_clone(intrinsic()->is_virtual());
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	753
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	754 case vmIntrinsics::_isAssignableFrom: return inline_native_subtype_check();
0 a61af66fc99e Initial load duke parents: diff changeset	755
a61af66fc99e Initial load duke parents: diff changeset	756 case vmIntrinsics::_isInstance:
a61af66fc99e Initial load duke parents: diff changeset	757 case vmIntrinsics::_getModifiers:
a61af66fc99e Initial load duke parents: diff changeset	758 case vmIntrinsics::_isInterface:
a61af66fc99e Initial load duke parents: diff changeset	759 case vmIntrinsics::_isArray:
a61af66fc99e Initial load duke parents: diff changeset	760 case vmIntrinsics::_isPrimitive:
a61af66fc99e Initial load duke parents: diff changeset	761 case vmIntrinsics::_getSuperclass:
a61af66fc99e Initial load duke parents: diff changeset	762 case vmIntrinsics::_getComponentType:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	763 case vmIntrinsics::_getClassAccessFlags: return inline_native_Class_query(intrinsic_id());
0 a61af66fc99e Initial load duke parents: diff changeset	764
a61af66fc99e Initial load duke parents: diff changeset	765 case vmIntrinsics::_floatToRawIntBits:
a61af66fc99e Initial load duke parents: diff changeset	766 case vmIntrinsics::_floatToIntBits:
a61af66fc99e Initial load duke parents: diff changeset	767 case vmIntrinsics::_intBitsToFloat:
a61af66fc99e Initial load duke parents: diff changeset	768 case vmIntrinsics::_doubleToRawLongBits:
a61af66fc99e Initial load duke parents: diff changeset	769 case vmIntrinsics::_doubleToLongBits:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	770 case vmIntrinsics::_longBitsToDouble: return inline_fp_conversions(intrinsic_id());
0 a61af66fc99e Initial load duke parents: diff changeset	771
775 93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	772 case vmIntrinsics::_numberOfLeadingZeros_i:
93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	773 case vmIntrinsics::_numberOfLeadingZeros_l:
93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	774 case vmIntrinsics::_numberOfTrailingZeros_i:
93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	775 case vmIntrinsics::_numberOfTrailingZeros_l:
643 c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	776 case vmIntrinsics::_bitCount_i:
c771b7f43bbf 6378821: bitCount() should use POPC on SPARC processors and AMD+10h twisti parents: 605 diff changeset	777 case vmIntrinsics::_bitCount_l:
0 a61af66fc99e Initial load duke parents: diff changeset	778 case vmIntrinsics::_reverseBytes_i:
a61af66fc99e Initial load duke parents: diff changeset	779 case vmIntrinsics::_reverseBytes_l:
1396 d7f654633cfe 6946040: add intrinsic for short and char reverseBytes never parents: 1152 diff changeset	780 case vmIntrinsics::_reverseBytes_s:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	781 case vmIntrinsics::_reverseBytes_c: return inline_number_methods(intrinsic_id());
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	782
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	783 case vmIntrinsics::_getCallerClass: return inline_native_Reflection_getCallerClass();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	784
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	785 case vmIntrinsics::_Reference_get: return inline_reference_get();
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	786
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	787 case vmIntrinsics::_aescrypt_encryptBlock:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	788 case vmIntrinsics::_aescrypt_decryptBlock: return inline_aescrypt_Block(intrinsic_id());
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	789
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	790 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	791 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	792 return inline_cipherBlockChaining_AESCrypt(intrinsic_id());
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	793
0 a61af66fc99e Initial load duke parents: diff changeset	794 default:
a61af66fc99e Initial load duke parents: diff changeset	795 // If you get here, it may be that someone has added a new intrinsic
a61af66fc99e Initial load duke parents: diff changeset	796 // to the list in vmSymbols.hpp without implementing it here.
a61af66fc99e Initial load duke parents: diff changeset	797 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	798 if ((PrintMiscellaneous && (Verbose \|\| WizardMode)) \|\| PrintOpto) {
a61af66fc99e Initial load duke parents: diff changeset	799 tty->print_cr("*** Warning: Unimplemented intrinsic %s(%d)",
a61af66fc99e Initial load duke parents: diff changeset	800 vmIntrinsics::name_at(intrinsic_id()), intrinsic_id());
a61af66fc99e Initial load duke parents: diff changeset	801 }
a61af66fc99e Initial load duke parents: diff changeset	802 #endif
a61af66fc99e Initial load duke parents: diff changeset	803 return false;
a61af66fc99e Initial load duke parents: diff changeset	804 }
a61af66fc99e Initial load duke parents: diff changeset	805 }
a61af66fc99e Initial load duke parents: diff changeset	806
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	807 Node* LibraryCallKit::try_to_predicate() {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	808 if (!jvms()->has_method()) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	809 // Root JVMState has a null method.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	810 assert(map()->memory()->Opcode() == Op_Parm, "");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	811 // Insert the memory aliasing node
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	812 set_all_memory(reset_memory());
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	813 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	814 assert(merged_memory(), "");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	815
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	816 switch (intrinsic_id()) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	817 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	818 return inline_cipherBlockChaining_AESCrypt_predicate(false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	819 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	820 return inline_cipherBlockChaining_AESCrypt_predicate(true);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	821
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	822 default:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	823 // If you get here, it may be that someone has added a new intrinsic
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	824 // to the list in vmSymbols.hpp without implementing it here.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	825 #ifndef PRODUCT
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	826 if ((PrintMiscellaneous && (Verbose \|\| WizardMode)) \|\| PrintOpto) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	827 tty->print_cr("*** Warning: Unimplemented predicate for intrinsic %s(%d)",
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	828 vmIntrinsics::name_at(intrinsic_id()), intrinsic_id());
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	829 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	830 #endif
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	831 Node* slow_ctl = control();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	832 set_control(top()); // No fast path instrinsic
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	833 return slow_ctl;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	834 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	835 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	836
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	837 //------------------------------set_result-------------------------------
0 a61af66fc99e Initial load duke parents: diff changeset	838 // Helper function for finishing intrinsics.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	839 void LibraryCallKit::set_result(RegionNode* region, PhiNode* value) {
0 a61af66fc99e Initial load duke parents: diff changeset	840 record_for_igvn(region);
a61af66fc99e Initial load duke parents: diff changeset	841 set_control(_gvn.transform(region));
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	842 set_result( _gvn.transform(value));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	843 assert(value->type()->basic_type() == result()->bottom_type()->basic_type(), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	844 }
a61af66fc99e Initial load duke parents: diff changeset	845
a61af66fc99e Initial load duke parents: diff changeset	846 //------------------------------generate_guard---------------------------
a61af66fc99e Initial load duke parents: diff changeset	847 // Helper function for generating guarded fast-slow graph structures.
a61af66fc99e Initial load duke parents: diff changeset	848 // The given 'test', if true, guards a slow path. If the test fails
a61af66fc99e Initial load duke parents: diff changeset	849 // then a fast path can be taken. (We generally hope it fails.)
a61af66fc99e Initial load duke parents: diff changeset	850 // In all cases, GraphKit::control() is updated to the fast path.
a61af66fc99e Initial load duke parents: diff changeset	851 // The returned value represents the control for the slow path.
a61af66fc99e Initial load duke parents: diff changeset	852 // The return value is never 'top'; it is either a valid control
a61af66fc99e Initial load duke parents: diff changeset	853 // or NULL if it is obvious that the slow path can never be taken.
a61af66fc99e Initial load duke parents: diff changeset	854 // Also, if region and the slow control are not NULL, the slow edge
a61af66fc99e Initial load duke parents: diff changeset	855 // is appended to the region.
a61af66fc99e Initial load duke parents: diff changeset	856 Node* LibraryCallKit::generate_guard(Node* test, RegionNode* region, float true_prob) {
a61af66fc99e Initial load duke parents: diff changeset	857 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	858 // Already short circuited.
a61af66fc99e Initial load duke parents: diff changeset	859 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	860 }
a61af66fc99e Initial load duke parents: diff changeset	861
a61af66fc99e Initial load duke parents: diff changeset	862 // Build an if node and its projections.
a61af66fc99e Initial load duke parents: diff changeset	863 // If test is true we take the slow path, which we assume is uncommon.
a61af66fc99e Initial load duke parents: diff changeset	864 if (_gvn.type(test) == TypeInt::ZERO) {
a61af66fc99e Initial load duke parents: diff changeset	865 // The slow branch is never taken. No need to build this guard.
a61af66fc99e Initial load duke parents: diff changeset	866 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	867 }
a61af66fc99e Initial load duke parents: diff changeset	868
a61af66fc99e Initial load duke parents: diff changeset	869 IfNode* iff = create_and_map_if(control(), test, true_prob, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	870
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	871 Node* if_slow = _gvn.transform( new (C) IfTrueNode(iff) );
0 a61af66fc99e Initial load duke parents: diff changeset	872 if (if_slow == top()) {
a61af66fc99e Initial load duke parents: diff changeset	873 // The slow branch is never taken. No need to build this guard.
a61af66fc99e Initial load duke parents: diff changeset	874 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	875 }
a61af66fc99e Initial load duke parents: diff changeset	876
a61af66fc99e Initial load duke parents: diff changeset	877 if (region != NULL)
a61af66fc99e Initial load duke parents: diff changeset	878 region->add_req(if_slow);
a61af66fc99e Initial load duke parents: diff changeset	879
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	880 Node* if_fast = _gvn.transform( new (C) IfFalseNode(iff) );
0 a61af66fc99e Initial load duke parents: diff changeset	881 set_control(if_fast);
a61af66fc99e Initial load duke parents: diff changeset	882
a61af66fc99e Initial load duke parents: diff changeset	883 return if_slow;
a61af66fc99e Initial load duke parents: diff changeset	884 }
a61af66fc99e Initial load duke parents: diff changeset	885
a61af66fc99e Initial load duke parents: diff changeset	886 inline Node* LibraryCallKit::generate_slow_guard(Node* test, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	887 return generate_guard(test, region, PROB_UNLIKELY_MAG(3));
a61af66fc99e Initial load duke parents: diff changeset	888 }
a61af66fc99e Initial load duke parents: diff changeset	889 inline Node* LibraryCallKit::generate_fair_guard(Node* test, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	890 return generate_guard(test, region, PROB_FAIR);
a61af66fc99e Initial load duke parents: diff changeset	891 }
a61af66fc99e Initial load duke parents: diff changeset	892
a61af66fc99e Initial load duke parents: diff changeset	893 inline Node* LibraryCallKit::generate_negative_guard(Node* index, RegionNode* region,
a61af66fc99e Initial load duke parents: diff changeset	894 Node* *pos_index) {
a61af66fc99e Initial load duke parents: diff changeset	895 if (stopped())
a61af66fc99e Initial load duke parents: diff changeset	896 return NULL; // already stopped
a61af66fc99e Initial load duke parents: diff changeset	897 if (_gvn.type(index)->higher_equal(TypeInt::POS)) // [0,maxint]
a61af66fc99e Initial load duke parents: diff changeset	898 return NULL; // index is already adequately typed
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	899 Node* cmp_lt = _gvn.transform( new (C) CmpINode(index, intcon(0)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	900 Node* bol_lt = _gvn.transform( new (C) BoolNode(cmp_lt, BoolTest::lt) );
0 a61af66fc99e Initial load duke parents: diff changeset	901 Node* is_neg = generate_guard(bol_lt, region, PROB_MIN);
a61af66fc99e Initial load duke parents: diff changeset	902 if (is_neg != NULL && pos_index != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	903 // Emulate effect of Parse::adjust_map_after_if.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	904 Node* ccast = new (C) CastIINode(index, TypeInt::POS);
0 a61af66fc99e Initial load duke parents: diff changeset	905 ccast->set_req(0, control());
a61af66fc99e Initial load duke parents: diff changeset	906 (*pos_index) = _gvn.transform(ccast);
a61af66fc99e Initial load duke parents: diff changeset	907 }
a61af66fc99e Initial load duke parents: diff changeset	908 return is_neg;
a61af66fc99e Initial load duke parents: diff changeset	909 }
a61af66fc99e Initial load duke parents: diff changeset	910
a61af66fc99e Initial load duke parents: diff changeset	911 inline Node* LibraryCallKit::generate_nonpositive_guard(Node* index, bool never_negative,
a61af66fc99e Initial load duke parents: diff changeset	912 Node* *pos_index) {
a61af66fc99e Initial load duke parents: diff changeset	913 if (stopped())
a61af66fc99e Initial load duke parents: diff changeset	914 return NULL; // already stopped
a61af66fc99e Initial load duke parents: diff changeset	915 if (_gvn.type(index)->higher_equal(TypeInt::POS1)) // [1,maxint]
a61af66fc99e Initial load duke parents: diff changeset	916 return NULL; // index is already adequately typed
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	917 Node* cmp_le = _gvn.transform( new (C) CmpINode(index, intcon(0)) );
0 a61af66fc99e Initial load duke parents: diff changeset	918 BoolTest::mask le_or_eq = (never_negative ? BoolTest::eq : BoolTest::le);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	919 Node* bol_le = _gvn.transform( new (C) BoolNode(cmp_le, le_or_eq) );
0 a61af66fc99e Initial load duke parents: diff changeset	920 Node* is_notp = generate_guard(bol_le, NULL, PROB_MIN);
a61af66fc99e Initial load duke parents: diff changeset	921 if (is_notp != NULL && pos_index != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	922 // Emulate effect of Parse::adjust_map_after_if.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	923 Node* ccast = new (C) CastIINode(index, TypeInt::POS1);
0 a61af66fc99e Initial load duke parents: diff changeset	924 ccast->set_req(0, control());
a61af66fc99e Initial load duke parents: diff changeset	925 (*pos_index) = _gvn.transform(ccast);
a61af66fc99e Initial load duke parents: diff changeset	926 }
a61af66fc99e Initial load duke parents: diff changeset	927 return is_notp;
a61af66fc99e Initial load duke parents: diff changeset	928 }
a61af66fc99e Initial load duke parents: diff changeset	929
a61af66fc99e Initial load duke parents: diff changeset	930 // Make sure that 'position' is a valid limit index, in [0..length].
a61af66fc99e Initial load duke parents: diff changeset	931 // There are two equivalent plans for checking this:
a61af66fc99e Initial load duke parents: diff changeset	932 // A. (offset + copyLength) unsigned<= arrayLength
a61af66fc99e Initial load duke parents: diff changeset	933 // B. offset <= (arrayLength - copyLength)
a61af66fc99e Initial load duke parents: diff changeset	934 // We require that all of the values above, except for the sum and
a61af66fc99e Initial load duke parents: diff changeset	935 // difference, are already known to be non-negative.
a61af66fc99e Initial load duke parents: diff changeset	936 // Plan A is robust in the face of overflow, if offset and copyLength
a61af66fc99e Initial load duke parents: diff changeset	937 // are both hugely positive.
a61af66fc99e Initial load duke parents: diff changeset	938 //
a61af66fc99e Initial load duke parents: diff changeset	939 // Plan B is less direct and intuitive, but it does not overflow at
a61af66fc99e Initial load duke parents: diff changeset	940 // all, since the difference of two non-negatives is always
a61af66fc99e Initial load duke parents: diff changeset	941 // representable. Whenever Java methods must perform the equivalent
a61af66fc99e Initial load duke parents: diff changeset	942 // check they generally use Plan B instead of Plan A.
a61af66fc99e Initial load duke parents: diff changeset	943 // For the moment we use Plan A.
a61af66fc99e Initial load duke parents: diff changeset	944 inline Node* LibraryCallKit::generate_limit_guard(Node* offset,
a61af66fc99e Initial load duke parents: diff changeset	945 Node* subseq_length,
a61af66fc99e Initial load duke parents: diff changeset	946 Node* array_length,
a61af66fc99e Initial load duke parents: diff changeset	947 RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	948 if (stopped())
a61af66fc99e Initial load duke parents: diff changeset	949 return NULL; // already stopped
a61af66fc99e Initial load duke parents: diff changeset	950 bool zero_offset = _gvn.type(offset) == TypeInt::ZERO;
4778 35acf8f0a2e4 7128352: assert(obj_node == obj) failed kvn parents: 4771 diff changeset	951 if (zero_offset && subseq_length->eqv_uncast(array_length))
0 a61af66fc99e Initial load duke parents: diff changeset	952 return NULL; // common case of whole-array copy
a61af66fc99e Initial load duke parents: diff changeset	953 Node* last = subseq_length;
a61af66fc99e Initial load duke parents: diff changeset	954 if (!zero_offset) // last += offset
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	955 last = _gvn.transform( new (C) AddINode(last, offset));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	956 Node* cmp_lt = _gvn.transform( new (C) CmpUNode(array_length, last) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	957 Node* bol_lt = _gvn.transform( new (C) BoolNode(cmp_lt, BoolTest::lt) );
0 a61af66fc99e Initial load duke parents: diff changeset	958 Node* is_over = generate_guard(bol_lt, region, PROB_MIN);
a61af66fc99e Initial load duke parents: diff changeset	959 return is_over;
a61af66fc99e Initial load duke parents: diff changeset	960 }
a61af66fc99e Initial load duke parents: diff changeset	961
a61af66fc99e Initial load duke parents: diff changeset	962
a61af66fc99e Initial load duke parents: diff changeset	963 //--------------------------generate_current_thread--------------------
a61af66fc99e Initial load duke parents: diff changeset	964 Node* LibraryCallKit::generate_current_thread(Node* &tls_output) {
a61af66fc99e Initial load duke parents: diff changeset	965 ciKlass* thread_klass = env()->Thread_klass();
a61af66fc99e Initial load duke parents: diff changeset	966 const Type* thread_type = TypeOopPtr::make_from_klass(thread_klass)->cast_to_ptr_type(TypePtr::NotNull);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	967 Node* thread = _gvn.transform(new (C) ThreadLocalNode());
0 a61af66fc99e Initial load duke parents: diff changeset	968 Node* p = basic_plus_adr(top()/!oop/, thread, in_bytes(JavaThread::threadObj_offset()));
a61af66fc99e Initial load duke parents: diff changeset	969 Node* threadObj = make_load(NULL, p, thread_type, T_OBJECT);
a61af66fc99e Initial load duke parents: diff changeset	970 tls_output = thread;
a61af66fc99e Initial load duke parents: diff changeset	971 return threadObj;
a61af66fc99e Initial load duke parents: diff changeset	972 }
a61af66fc99e Initial load duke parents: diff changeset	973
a61af66fc99e Initial load duke parents: diff changeset	974
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	975 //------------------------------make_string_method_node------------------------
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	976 // Helper method for String intrinsic functions. This version is called
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	977 // with str1 and str2 pointing to String object nodes.
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	978 //
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	979 Node* LibraryCallKit::make_string_method_node(int opcode, Node* str1, Node* str2) {
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	980 Node* no_ctrl = NULL;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	981
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	982 // Get start addr of string
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	983 Node* str1_value = load_String_value(no_ctrl, str1);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	984 Node* str1_offset = load_String_offset(no_ctrl, str1);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	985 Node* str1_start = array_element_address(str1_value, str1_offset, T_CHAR);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	986
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	987 // Get length of string 1
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	988 Node* str1_len = load_String_length(no_ctrl, str1);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	989
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	990 Node* str2_value = load_String_value(no_ctrl, str2);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	991 Node* str2_offset = load_String_offset(no_ctrl, str2);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	992 Node* str2_start = array_element_address(str2_value, str2_offset, T_CHAR);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	993
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	994 Node* str2_len = NULL;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	995 Node* result = NULL;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	996
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	997 switch (opcode) {
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	998 case Op_StrIndexOf:
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	999 // Get length of string 2
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1000 str2_len = load_String_length(no_ctrl, str2);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1001
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1002 result = new (C) StrIndexOfNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1003 str1_start, str1_len, str2_start, str2_len);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1004 break;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1005 case Op_StrComp:
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1006 // Get length of string 2
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1007 str2_len = load_String_length(no_ctrl, str2);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1008
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1009 result = new (C) StrCompNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1010 str1_start, str1_len, str2_start, str2_len);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1011 break;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1012 case Op_StrEquals:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1013 result = new (C) StrEqualsNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1014 str1_start, str2_start, str1_len);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1015 break;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1016 default:
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1017 ShouldNotReachHere();
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1018 return NULL;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1019 }
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1020
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1021 // All these intrinsics have checks.
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1022 C->set_has_split_ifs(true); // Has chance for split-if optimization
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1023
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1024 return _gvn.transform(result);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1025 }
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1026
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1027 // Helper method for String intrinsic functions. This version is called
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1028 // with str1 and str2 pointing to char[] nodes, with cnt1 and cnt2 pointing
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1029 // to Int nodes containing the lenghts of str1 and str2.
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1030 //
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1031 Node* LibraryCallKit::make_string_method_node(int opcode, Node* str1_start, Node* cnt1, Node* str2_start, Node* cnt2) {
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1032 Node* result = NULL;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1033 switch (opcode) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1034 case Op_StrIndexOf:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1035 result = new (C) StrIndexOfNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1036 str1_start, cnt1, str2_start, cnt2);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1037 break;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1038 case Op_StrComp:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1039 result = new (C) StrCompNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1040 str1_start, cnt1, str2_start, cnt2);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1041 break;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1042 case Op_StrEquals:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1043 result = new (C) StrEqualsNode(control(), memory(TypeAryPtr::CHARS),
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1044 str1_start, str2_start, cnt1);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1045 break;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1046 default:
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1047 ShouldNotReachHere();
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1048 return NULL;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1049 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1050
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1051 // All these intrinsics have checks.
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1052 C->set_has_split_ifs(true); // Has chance for split-if optimization
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1053
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1054 return _gvn.transform(result);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1055 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1056
0 a61af66fc99e Initial load duke parents: diff changeset	1057 //------------------------------inline_string_compareTo------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1058 // public int java.lang.String.compareTo(String anotherString);
0 a61af66fc99e Initial load duke parents: diff changeset	1059 bool LibraryCallKit::inline_string_compareTo() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1060 Node* receiver = null_check(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1061 Node* arg = null_check(argument(1));
0 a61af66fc99e Initial load duke parents: diff changeset	1062 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	1063 return true;
a61af66fc99e Initial load duke parents: diff changeset	1064 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1065 set_result(make_string_method_node(Op_StrComp, receiver, arg));
0 a61af66fc99e Initial load duke parents: diff changeset	1066 return true;
a61af66fc99e Initial load duke parents: diff changeset	1067 }
a61af66fc99e Initial load duke parents: diff changeset	1068
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1069 //------------------------------inline_string_equals------------------------
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1070 bool LibraryCallKit::inline_string_equals() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1071 Node* receiver = null_check_receiver();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1072 // NOTE: Do not null check argument for String.equals() because spec
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1073 // allows to specify NULL as argument.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1074 Node* argument = this->argument(1);
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1075 if (stopped()) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1076 return true;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1077 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1078
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1079 // paths (plus control) merge
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1080 RegionNode* region = new (C) RegionNode(5);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1081 Node* phi = new (C) PhiNode(region, TypeInt::BOOL);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1082
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1083 // does source == target string?
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1084 Node* cmp = _gvn.transform(new (C) CmpPNode(receiver, argument));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1085 Node* bol = _gvn.transform(new (C) BoolNode(cmp, BoolTest::eq));
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1086
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1087 Node* if_eq = generate_slow_guard(bol, NULL);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1088 if (if_eq != NULL) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1089 // receiver == argument
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1090 phi->init_req(2, intcon(1));
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1091 region->init_req(2, if_eq);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1092 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1093
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1094 // get String klass for instanceOf
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1095 ciInstanceKlass* klass = env()->String_klass();
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1096
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1097 if (!stopped()) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1098 Node* inst = gen_instanceof(argument, makecon(TypeKlassPtr::make(klass)));
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1099 Node* cmp = _gvn.transform(new (C) CmpINode(inst, intcon(1)));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1100 Node* bol = _gvn.transform(new (C) BoolNode(cmp, BoolTest::ne));
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1101
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1102 Node* inst_false = generate_guard(bol, NULL, PROB_MIN);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1103 //instanceOf == true, fallthrough
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1104
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1105 if (inst_false != NULL) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1106 phi->init_req(3, intcon(0));
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1107 region->init_req(3, inst_false);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1108 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1109 }
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1110
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1111 if (!stopped()) {
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1112 const TypeOopPtr* string_type = TypeOopPtr::make_from_klass(klass);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1113
1496 e8e83be27dd7 6951190: assert(!klass_is_exact(),"only non-exact klass") while building JDK never parents: 1396 diff changeset	1114 // Properly cast the argument to String
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1115 argument = _gvn.transform(new (C) CheckCastPPNode(control(), argument, string_type));
3337 e6d7eed3330c 7041100: The load in String.equals intrinsic executed before null check kvn parents: 3284 diff changeset	1116 // This path is taken only when argument's type is String:NotNull.
e6d7eed3330c 7041100: The load in String.equals intrinsic executed before null check kvn parents: 3284 diff changeset	1117 argument = cast_not_null(argument, false);
1496 e8e83be27dd7 6951190: assert(!klass_is_exact(),"only non-exact klass") while building JDK never parents: 1396 diff changeset	1118
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1119 Node* no_ctrl = NULL;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1120
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1121 // Get start addr of receiver
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1122 Node* receiver_val = load_String_value(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1123 Node* receiver_offset = load_String_offset(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1124 Node* receiver_start = array_element_address(receiver_val, receiver_offset, T_CHAR);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1125
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1126 // Get length of receiver
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1127 Node* receiver_cnt = load_String_length(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1128
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1129 // Get start addr of argument
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1130 Node* argument_val = load_String_value(no_ctrl, argument);
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1131 Node* argument_offset = load_String_offset(no_ctrl, argument);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1132 Node* argument_start = array_element_address(argument_val, argument_offset, T_CHAR);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1133
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1134 // Get length of argument
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1135 Node* argument_cnt = load_String_length(no_ctrl, argument);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1136
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1137 // Check for receiver count != argument count
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1138 Node* cmp = _gvn.transform( new(C) CmpINode(receiver_cnt, argument_cnt) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1139 Node* bol = _gvn.transform( new(C) BoolNode(cmp, BoolTest::ne) );
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1140 Node* if_ne = generate_slow_guard(bol, NULL);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1141 if (if_ne != NULL) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1142 phi->init_req(4, intcon(0));
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1143 region->init_req(4, if_ne);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1144 }
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1145
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1146 // Check for count == 0 is done by assembler code for StrEquals.
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1147
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1148 if (!stopped()) {
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1149 Node* equals = make_string_method_node(Op_StrEquals, receiver_start, receiver_cnt, argument_start, argument_cnt);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1150 phi->init_req(1, equals);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1151 region->init_req(1, control());
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1152 }
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1153 }
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1154
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1155 // post merge
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1156 set_control(_gvn.transform(region));
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1157 record_for_igvn(region);
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1158
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1159 set_result(_gvn.transform(phi));
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1160 return true;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1161 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1162
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	1163 //------------------------------inline_array_equals----------------------------
9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	1164 bool LibraryCallKit::inline_array_equals() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1165 Node* arg1 = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1166 Node* arg2 = argument(1);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1167 set_result(_gvn.transform(new (C) AryEqNode(control(), memory(TypeAryPtr::CHARS), arg1, arg2)));
169 9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	1168 return true;
9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	1169 }
9148c65abefc 6695049: (coll) Create an x86 intrinsic for Arrays.equals rasbold parents: 164 diff changeset	1170
0 a61af66fc99e Initial load duke parents: diff changeset	1171 // Java version of String.indexOf(constant string)
a61af66fc99e Initial load duke parents: diff changeset	1172 // class StringDecl {
a61af66fc99e Initial load duke parents: diff changeset	1173 // StringDecl(char[] ca) {
a61af66fc99e Initial load duke parents: diff changeset	1174 // offset = 0;
a61af66fc99e Initial load duke parents: diff changeset	1175 // count = ca.length;
a61af66fc99e Initial load duke parents: diff changeset	1176 // value = ca;
a61af66fc99e Initial load duke parents: diff changeset	1177 // }
a61af66fc99e Initial load duke parents: diff changeset	1178 // int offset;
a61af66fc99e Initial load duke parents: diff changeset	1179 // int count;
a61af66fc99e Initial load duke parents: diff changeset	1180 // char[] value;
a61af66fc99e Initial load duke parents: diff changeset	1181 // }
a61af66fc99e Initial load duke parents: diff changeset	1182 //
a61af66fc99e Initial load duke parents: diff changeset	1183 // static int string_indexOf_J(StringDecl string_object, char[] target_object,
a61af66fc99e Initial load duke parents: diff changeset	1184 // int targetOffset, int cache_i, int md2) {
a61af66fc99e Initial load duke parents: diff changeset	1185 // int cache = cache_i;
a61af66fc99e Initial load duke parents: diff changeset	1186 // int sourceOffset = string_object.offset;
a61af66fc99e Initial load duke parents: diff changeset	1187 // int sourceCount = string_object.count;
a61af66fc99e Initial load duke parents: diff changeset	1188 // int targetCount = target_object.length;
a61af66fc99e Initial load duke parents: diff changeset	1189 //
a61af66fc99e Initial load duke parents: diff changeset	1190 // int targetCountLess1 = targetCount - 1;
a61af66fc99e Initial load duke parents: diff changeset	1191 // int sourceEnd = sourceOffset + sourceCount - targetCountLess1;
a61af66fc99e Initial load duke parents: diff changeset	1192 //
a61af66fc99e Initial load duke parents: diff changeset	1193 // char[] source = string_object.value;
a61af66fc99e Initial load duke parents: diff changeset	1194 // char[] target = target_object;
a61af66fc99e Initial load duke parents: diff changeset	1195 // int lastChar = target[targetCountLess1];
a61af66fc99e Initial load duke parents: diff changeset	1196 //
a61af66fc99e Initial load duke parents: diff changeset	1197 // outer_loop:
a61af66fc99e Initial load duke parents: diff changeset	1198 // for (int i = sourceOffset; i < sourceEnd; ) {
a61af66fc99e Initial load duke parents: diff changeset	1199 // int src = source[i + targetCountLess1];
a61af66fc99e Initial load duke parents: diff changeset	1200 // if (src == lastChar) {
a61af66fc99e Initial load duke parents: diff changeset	1201 // // With random strings and a 4-character alphabet,
a61af66fc99e Initial load duke parents: diff changeset	1202 // // reverse matching at this point sets up 0.8% fewer
a61af66fc99e Initial load duke parents: diff changeset	1203 // // frames, but (paradoxically) makes 0.3% more probes.
a61af66fc99e Initial load duke parents: diff changeset	1204 // // Since those probes are nearer the lastChar probe,
a61af66fc99e Initial load duke parents: diff changeset	1205 // // there is may be a net D$ win with reverse matching.
a61af66fc99e Initial load duke parents: diff changeset	1206 // // But, reversing loop inhibits unroll of inner loop
a61af66fc99e Initial load duke parents: diff changeset	1207 // // for unknown reason. So, does running outer loop from
a61af66fc99e Initial load duke parents: diff changeset	1208 // // (sourceOffset - targetCountLess1) to (sourceOffset + sourceCount)
a61af66fc99e Initial load duke parents: diff changeset	1209 // for (int j = 0; j < targetCountLess1; j++) {
a61af66fc99e Initial load duke parents: diff changeset	1210 // if (target[targetOffset + j] != source[i+j]) {
a61af66fc99e Initial load duke parents: diff changeset	1211 // if ((cache & (1 << source[i+j])) == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1212 // if (md2 < j+1) {
a61af66fc99e Initial load duke parents: diff changeset	1213 // i += j+1;
a61af66fc99e Initial load duke parents: diff changeset	1214 // continue outer_loop;
a61af66fc99e Initial load duke parents: diff changeset	1215 // }
a61af66fc99e Initial load duke parents: diff changeset	1216 // }
a61af66fc99e Initial load duke parents: diff changeset	1217 // i += md2;
a61af66fc99e Initial load duke parents: diff changeset	1218 // continue outer_loop;
a61af66fc99e Initial load duke parents: diff changeset	1219 // }
a61af66fc99e Initial load duke parents: diff changeset	1220 // }
a61af66fc99e Initial load duke parents: diff changeset	1221 // return i - sourceOffset;
a61af66fc99e Initial load duke parents: diff changeset	1222 // }
a61af66fc99e Initial load duke parents: diff changeset	1223 // if ((cache & (1 << src)) == 0) {
a61af66fc99e Initial load duke parents: diff changeset	1224 // i += targetCountLess1;
a61af66fc99e Initial load duke parents: diff changeset	1225 // } // using "i += targetCount;" and an "else i++;" causes a jump to jump.
a61af66fc99e Initial load duke parents: diff changeset	1226 // i++;
a61af66fc99e Initial load duke parents: diff changeset	1227 // }
a61af66fc99e Initial load duke parents: diff changeset	1228 // return -1;
a61af66fc99e Initial load duke parents: diff changeset	1229 // }
a61af66fc99e Initial load duke parents: diff changeset	1230
a61af66fc99e Initial load duke parents: diff changeset	1231 //------------------------------string_indexOf------------------------
a61af66fc99e Initial load duke parents: diff changeset	1232 Node* LibraryCallKit::string_indexOf(Node* string_object, ciTypeArray* target_array, jint targetOffset_i,
a61af66fc99e Initial load duke parents: diff changeset	1233 jint cache_i, jint md2_i) {
a61af66fc99e Initial load duke parents: diff changeset	1234
a61af66fc99e Initial load duke parents: diff changeset	1235 Node* no_ctrl = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1236 float likely = PROB_LIKELY(0.9);
a61af66fc99e Initial load duke parents: diff changeset	1237 float unlikely = PROB_UNLIKELY(0.9);
a61af66fc99e Initial load duke parents: diff changeset	1238
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1239 const int nargs = 0; // no arguments to push back for uncommon trap in predicate
2383 9dc311b8473e 7008866: Missing loop predicate for loop with multiple entries kvn parents: 2324 diff changeset	1240
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1241 Node* source = load_String_value(no_ctrl, string_object);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1242 Node* sourceOffset = load_String_offset(no_ctrl, string_object);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1243 Node* sourceCount = load_String_length(no_ctrl, string_object);
0 a61af66fc99e Initial load duke parents: diff changeset	1244
2379 b099aaf51bf8 6962931: move interned strings out of the perm gen jcoomes parents: 2324 diff changeset	1245 Node* target = _gvn.transform( makecon(TypeOopPtr::make_from_constant(target_array, true)) );
0 a61af66fc99e Initial load duke parents: diff changeset	1246 jint target_length = target_array->length();
a61af66fc99e Initial load duke parents: diff changeset	1247 const TypeAry* target_array_type = TypeAry::make(TypeInt::CHAR, TypeInt::make(0, target_length, Type::WidenMin));
a61af66fc99e Initial load duke parents: diff changeset	1248 const TypeAryPtr* target_type = TypeAryPtr::make(TypePtr::BotPTR, target_array_type, target_array->klass(), true, Type::OffsetBot);
a61af66fc99e Initial load duke parents: diff changeset	1249
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	1250 IdealKit kit(this, false, true);
0 a61af66fc99e Initial load duke parents: diff changeset	1251 #define __ kit.
a61af66fc99e Initial load duke parents: diff changeset	1252 Node* zero = __ ConI(0);
a61af66fc99e Initial load duke parents: diff changeset	1253 Node* one = __ ConI(1);
a61af66fc99e Initial load duke parents: diff changeset	1254 Node* cache = __ ConI(cache_i);
a61af66fc99e Initial load duke parents: diff changeset	1255 Node* md2 = __ ConI(md2_i);
a61af66fc99e Initial load duke parents: diff changeset	1256 Node* lastChar = __ ConI(target_array->char_at(target_length - 1));
a61af66fc99e Initial load duke parents: diff changeset	1257 Node* targetCount = __ ConI(target_length);
a61af66fc99e Initial load duke parents: diff changeset	1258 Node* targetCountLess1 = __ ConI(target_length - 1);
a61af66fc99e Initial load duke parents: diff changeset	1259 Node* targetOffset = __ ConI(targetOffset_i);
a61af66fc99e Initial load duke parents: diff changeset	1260 Node* sourceEnd = __ SubI(__ AddI(sourceOffset, sourceCount), targetCountLess1);
a61af66fc99e Initial load duke parents: diff changeset	1261
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	1262 IdealVariable rtn(kit), i(kit), j(kit); __ declarations_done();
0 a61af66fc99e Initial load duke parents: diff changeset	1263 Node* outer_loop = __ make_label(2 /* goto */);
a61af66fc99e Initial load duke parents: diff changeset	1264 Node* return_ = __ make_label(1);
a61af66fc99e Initial load duke parents: diff changeset	1265
a61af66fc99e Initial load duke parents: diff changeset	1266 __ set(rtn,__ ConI(-1));
2383 9dc311b8473e 7008866: Missing loop predicate for loop with multiple entries kvn parents: 2324 diff changeset	1267 __ loop(this, nargs, i, sourceOffset, BoolTest::lt, sourceEnd); {
0 a61af66fc99e Initial load duke parents: diff changeset	1268 Node* i2 = __ AddI(__ value(i), targetCountLess1);
a61af66fc99e Initial load duke parents: diff changeset	1269 // pin to prohibit loading of "next iteration" value which may SEGV (rare)
a61af66fc99e Initial load duke parents: diff changeset	1270 Node* src = load_array_element(__ ctrl(), source, i2, TypeAryPtr::CHARS);
a61af66fc99e Initial load duke parents: diff changeset	1271 __ if_then(src, BoolTest::eq, lastChar, unlikely); {
2383 9dc311b8473e 7008866: Missing loop predicate for loop with multiple entries kvn parents: 2324 diff changeset	1272 __ loop(this, nargs, j, zero, BoolTest::lt, targetCountLess1); {
0 a61af66fc99e Initial load duke parents: diff changeset	1273 Node* tpj = __ AddI(targetOffset, __ value(j));
a61af66fc99e Initial load duke parents: diff changeset	1274 Node* targ = load_array_element(no_ctrl, target, tpj, target_type);
a61af66fc99e Initial load duke parents: diff changeset	1275 Node* ipj = __ AddI(__ value(i), __ value(j));
a61af66fc99e Initial load duke parents: diff changeset	1276 Node* src2 = load_array_element(no_ctrl, source, ipj, TypeAryPtr::CHARS);
a61af66fc99e Initial load duke parents: diff changeset	1277 __ if_then(targ, BoolTest::ne, src2); {
a61af66fc99e Initial load duke parents: diff changeset	1278 __ if_then(__ AndI(cache, __ LShiftI(one, src2)), BoolTest::eq, zero); {
a61af66fc99e Initial load duke parents: diff changeset	1279 __ if_then(md2, BoolTest::lt, __ AddI(__ value(j), one)); {
a61af66fc99e Initial load duke parents: diff changeset	1280 __ increment(i, __ AddI(__ value(j), one));
a61af66fc99e Initial load duke parents: diff changeset	1281 __ goto_(outer_loop);
a61af66fc99e Initial load duke parents: diff changeset	1282 } __ end_if(); __ dead(j);
a61af66fc99e Initial load duke parents: diff changeset	1283 }__ end_if(); __ dead(j);
a61af66fc99e Initial load duke parents: diff changeset	1284 __ increment(i, md2);
a61af66fc99e Initial load duke parents: diff changeset	1285 __ goto_(outer_loop);
a61af66fc99e Initial load duke parents: diff changeset	1286 }__ end_if();
a61af66fc99e Initial load duke parents: diff changeset	1287 __ increment(j, one);
a61af66fc99e Initial load duke parents: diff changeset	1288 }__ end_loop(); __ dead(j);
a61af66fc99e Initial load duke parents: diff changeset	1289 __ set(rtn, __ SubI(__ value(i), sourceOffset)); __ dead(i);
a61af66fc99e Initial load duke parents: diff changeset	1290 __ goto_(return_);
a61af66fc99e Initial load duke parents: diff changeset	1291 }__ end_if();
a61af66fc99e Initial load duke parents: diff changeset	1292 __ if_then(__ AndI(cache, __ LShiftI(one, src)), BoolTest::eq, zero, likely); {
a61af66fc99e Initial load duke parents: diff changeset	1293 __ increment(i, targetCountLess1);
a61af66fc99e Initial load duke parents: diff changeset	1294 }__ end_if();
a61af66fc99e Initial load duke parents: diff changeset	1295 __ increment(i, one);
a61af66fc99e Initial load duke parents: diff changeset	1296 __ bind(outer_loop);
a61af66fc99e Initial load duke parents: diff changeset	1297 }__ end_loop(); __ dead(i);
a61af66fc99e Initial load duke parents: diff changeset	1298 __ bind(return_);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	1299
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	1300 // Final sync IdealKit and GraphKit.
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	1301 final_sync(kit);
0 a61af66fc99e Initial load duke parents: diff changeset	1302 Node* result = __ value(rtn);
a61af66fc99e Initial load duke parents: diff changeset	1303 #undef __
a61af66fc99e Initial load duke parents: diff changeset	1304 C->set_has_loops(true);
a61af66fc99e Initial load duke parents: diff changeset	1305 return result;
a61af66fc99e Initial load duke parents: diff changeset	1306 }
a61af66fc99e Initial load duke parents: diff changeset	1307
a61af66fc99e Initial load duke parents: diff changeset	1308 //------------------------------inline_string_indexOf------------------------
a61af66fc99e Initial load duke parents: diff changeset	1309 bool LibraryCallKit::inline_string_indexOf() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1310 Node* receiver = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1311 Node* arg = argument(1);
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1312
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1313 Node* result;
1504 ae8f909e5fc7 6948602: Disable use of SSE4.2 in String.indexOf intrinsic until 6942326 is fixed iveresov parents: 1396 diff changeset	1314 // Disable the use of pcmpestri until it can be guaranteed that
ae8f909e5fc7 6948602: Disable use of SSE4.2 in String.indexOf intrinsic until 6942326 is fixed iveresov parents: 1396 diff changeset	1315 // the load doesn't cross into the uncommited space.
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1316 if (Matcher::has_match_rule(Op_StrIndexOf) &&
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1317 UseSSE42Intrinsics) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1318 // Generate SSE4.2 version of indexOf
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1319 // We currently only have match rules that use SSE4.2
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1320
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1321 receiver = null_check(receiver);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1322 arg = null_check(arg);
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1323 if (stopped()) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1324 return true;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1325 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1326
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1327 ciInstanceKlass* str_klass = env()->String_klass();
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1328 const TypeOopPtr* string_type = TypeOopPtr::make_from_klass(str_klass);
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1329
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1330 // Make the merge point
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1331 RegionNode* result_rgn = new (C) RegionNode(4);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1332 Node* result_phi = new (C) PhiNode(result_rgn, TypeInt::INT);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1333 Node* no_ctrl = NULL;
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1334
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1335 // Get start addr of source string
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1336 Node* source = load_String_value(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1337 Node* source_offset = load_String_offset(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1338 Node* source_start = array_element_address(source, source_offset, T_CHAR);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1339
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1340 // Get length of source string
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1341 Node* source_cnt = load_String_length(no_ctrl, receiver);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1342
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1343 // Get start addr of substring
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1344 Node* substr = load_String_value(no_ctrl, arg);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1345 Node* substr_offset = load_String_offset(no_ctrl, arg);
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1346 Node* substr_start = array_element_address(substr, substr_offset, T_CHAR);
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1347
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1348 // Get length of source string
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1349 Node* substr_cnt = load_String_length(no_ctrl, arg);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1350
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1351 // Check for substr count > string count
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1352 Node* cmp = _gvn.transform( new(C) CmpINode(substr_cnt, source_cnt) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1353 Node* bol = _gvn.transform( new(C) BoolNode(cmp, BoolTest::gt) );
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1354 Node* if_gt = generate_slow_guard(bol, NULL);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1355 if (if_gt != NULL) {
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1356 result_phi->init_req(2, intcon(-1));
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1357 result_rgn->init_req(2, if_gt);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1358 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1359
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1360 if (!stopped()) {
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1361 // Check for substr count == 0
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1362 cmp = _gvn.transform( new(C) CmpINode(substr_cnt, intcon(0)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1363 bol = _gvn.transform( new(C) BoolNode(cmp, BoolTest::eq) );
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1364 Node* if_zero = generate_slow_guard(bol, NULL);
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1365 if (if_zero != NULL) {
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1366 result_phi->init_req(3, intcon(0));
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1367 result_rgn->init_req(3, if_zero);
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1368 }
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1369 }
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1370
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1371 if (!stopped()) {
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1372 result = make_string_method_node(Op_StrIndexOf, source_start, source_cnt, substr_start, substr_cnt);
986 62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1373 result_phi->init_req(1, result);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1374 result_rgn->init_req(1, control());
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1375 }
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1376 set_control(_gvn.transform(result_rgn));
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1377 record_for_igvn(result_rgn);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1378 result = _gvn.transform(result_phi);
62001a362ce9 6827605: new String intrinsics may prevent EA scalar replacement kvn parents: 958 diff changeset	1379
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1380 } else { // Use LibraryCallKit::string_indexOf
41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1381 // don't intrinsify if argument isn't a constant string.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1382 if (!arg->is_Con()) {
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1383 return false;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1384 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1385 const TypeOopPtr* str_type = _gvn.type(arg)->isa_oopptr();
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1386 if (str_type == NULL) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1387 return false;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1388 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1389 ciInstanceKlass* klass = env()->String_klass();
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1390 ciObject* str_const = str_type->const_oop();
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1391 if (str_const == NULL \|\| str_const->klass() != klass) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1392 return false;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1393 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1394 ciInstance* str = str_const->as_instance();
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1395 assert(str != NULL, "must be instance");
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1396
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1397 ciObject* v = str->field_value_by_offset(java_lang_String::value_offset_in_bytes()).as_object();
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1398 ciTypeArray* pat = v->as_type_array(); // pattern (argument) character array
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1399
6057 8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1400 int o;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1401 int c;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1402 if (java_lang_String::has_offset_field()) {
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1403 o = str->field_value_by_offset(java_lang_String::offset_offset_in_bytes()).as_int();
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1404 c = str->field_value_by_offset(java_lang_String::count_offset_in_bytes()).as_int();
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1405 } else {
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1406 o = 0;
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1407 c = pat->length();
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1408 }
8f972594effc 6924259: Remove String.count/String.offset kvn parents: 6006 diff changeset	1409
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1410 // constant strings have no offset and count == length which
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1411 // simplifies the resulting code somewhat so lets optimize for that.
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1412 if (o != 0 \|\| c != pat->length()) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1413 return false;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1414 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1415
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1416 receiver = null_check(receiver, T_OBJECT);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1417 // NOTE: No null check on the argument is needed since it's a constant String oop.
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1418 if (stopped()) {
2320 41d4973cf100 6942326: x86 code in string_indexof() could read beyond reserved heap space kvn parents: 1972 diff changeset	1419 return true;
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1420 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1421
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1422 // The null string as a pattern always returns 0 (match at beginning of string)
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1423 if (c == 0) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1424 set_result(intcon(0));
681 fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1425 return true;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1426 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1427
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1428 // Generate default indexOf
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1429 jchar lastChar = pat->char_at(o + (c - 1));
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1430 int cache = 0;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1431 int i;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1432 for (i = 0; i < c - 1; i++) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1433 assert(i < pat->length(), "out of range");
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1434 cache \|= (1 << (pat->char_at(o + i) & (sizeof(cache) * BitsPerByte - 1)));
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1435 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1436
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1437 int md2 = c;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1438 for (i = 0; i < c - 1; i++) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1439 assert(i < pat->length(), "out of range");
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1440 if (pat->char_at(o + i) == lastChar) {
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1441 md2 = (c - 1) - i;
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1442 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1443 }
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1444
fbde8ec322d0 6761600: Use sse 4.2 in intrinsics cfang parents: 643 diff changeset	1445 result = string_indexOf(receiver, pat, o, cache, md2);
0 a61af66fc99e Initial load duke parents: diff changeset	1446 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1447 set_result(result);
0 a61af66fc99e Initial load duke parents: diff changeset	1448 return true;
a61af66fc99e Initial load duke parents: diff changeset	1449 }
a61af66fc99e Initial load duke parents: diff changeset	1450
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1451 //--------------------------round_double_node--------------------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1452 // Round a double node if necessary.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1453 Node* LibraryCallKit::round_double_node(Node* n) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1454 if (Matcher::strict_fp_requires_explicit_rounding && UseSSE <= 1)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1455 n = _gvn.transform(new (C) RoundDoubleNode(0, n));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1456 return n;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1457 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1458
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1459 //------------------------------inline_math-----------------------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1460 // public static double Math.abs(double)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1461 // public static double Math.sqrt(double)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1462 // public static double Math.log(double)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1463 // public static double Math.log10(double)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1464 bool LibraryCallKit::inline_math(vmIntrinsics::ID id) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1465 Node* arg = round_double_node(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1466 Node* n;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1467 switch (id) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1468 case vmIntrinsics::_dabs: n = new (C) AbsDNode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1469 case vmIntrinsics::_dsqrt: n = new (C) SqrtDNode(0, arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1470 case vmIntrinsics::_dlog: n = new (C) LogDNode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1471 case vmIntrinsics::_dlog10: n = new (C) Log10DNode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1472 default: fatal_unexpected_iid(id); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1473 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1474 set_result(_gvn.transform(n));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1475 return true;
0 a61af66fc99e Initial load duke parents: diff changeset	1476 }
a61af66fc99e Initial load duke parents: diff changeset	1477
a61af66fc99e Initial load duke parents: diff changeset	1478 //------------------------------inline_trig----------------------------------
a61af66fc99e Initial load duke parents: diff changeset	1479 // Inline sin/cos/tan instructions, if possible. If rounding is required, do
a61af66fc99e Initial load duke parents: diff changeset	1480 // argument reduction which will turn into a fast/slow diamond.
a61af66fc99e Initial load duke parents: diff changeset	1481 bool LibraryCallKit::inline_trig(vmIntrinsics::ID id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1482 Node* arg = round_double_node(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1483 Node* n = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1484
a61af66fc99e Initial load duke parents: diff changeset	1485 switch (id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1486 case vmIntrinsics::_dsin: n = new (C) SinDNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1487 case vmIntrinsics::_dcos: n = new (C) CosDNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1488 case vmIntrinsics::_dtan: n = new (C) TanDNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1489 default: fatal_unexpected_iid(id); break;
0 a61af66fc99e Initial load duke parents: diff changeset	1490 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1491 n = _gvn.transform(n);
0 a61af66fc99e Initial load duke parents: diff changeset	1492
a61af66fc99e Initial load duke parents: diff changeset	1493 // Rounding required? Check for argument reduction!
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1494 if (Matcher::strict_fp_requires_explicit_rounding) {
0 a61af66fc99e Initial load duke parents: diff changeset	1495 static const double pi_4 = 0.7853981633974483;
a61af66fc99e Initial load duke parents: diff changeset	1496 static const double neg_pi_4 = -0.7853981633974483;
a61af66fc99e Initial load duke parents: diff changeset	1497 // pi/2 in 80-bit extended precision
a61af66fc99e Initial load duke parents: diff changeset	1498 // static const unsigned char pi_2_bits_x[] = {0x35,0xc2,0x68,0x21,0xa2,0xda,0x0f,0xc9,0xff,0x3f,0x00,0x00,0x00,0x00,0x00,0x00};
a61af66fc99e Initial load duke parents: diff changeset	1499 // -pi/2 in 80-bit extended precision
a61af66fc99e Initial load duke parents: diff changeset	1500 // static const unsigned char neg_pi_2_bits_x[] = {0x35,0xc2,0x68,0x21,0xa2,0xda,0x0f,0xc9,0xff,0xbf,0x00,0x00,0x00,0x00,0x00,0x00};
a61af66fc99e Initial load duke parents: diff changeset	1501 // Cutoff value for using this argument reduction technique
a61af66fc99e Initial load duke parents: diff changeset	1502 //static const double pi_2_minus_epsilon = 1.564660403643354;
a61af66fc99e Initial load duke parents: diff changeset	1503 //static const double neg_pi_2_plus_epsilon = -1.564660403643354;
a61af66fc99e Initial load duke parents: diff changeset	1504
a61af66fc99e Initial load duke parents: diff changeset	1505 // Pseudocode for sin:
a61af66fc99e Initial load duke parents: diff changeset	1506 // if (x <= Math.PI / 4.0) {
a61af66fc99e Initial load duke parents: diff changeset	1507 // if (x >= -Math.PI / 4.0) return fsin(x);
a61af66fc99e Initial load duke parents: diff changeset	1508 // if (x >= -Math.PI / 2.0) return -fcos(x + Math.PI / 2.0);
a61af66fc99e Initial load duke parents: diff changeset	1509 // } else {
a61af66fc99e Initial load duke parents: diff changeset	1510 // if (x <= Math.PI / 2.0) return fcos(x - Math.PI / 2.0);
a61af66fc99e Initial load duke parents: diff changeset	1511 // }
a61af66fc99e Initial load duke parents: diff changeset	1512 // return StrictMath.sin(x);
a61af66fc99e Initial load duke parents: diff changeset	1513
a61af66fc99e Initial load duke parents: diff changeset	1514 // Pseudocode for cos:
a61af66fc99e Initial load duke parents: diff changeset	1515 // if (x <= Math.PI / 4.0) {
a61af66fc99e Initial load duke parents: diff changeset	1516 // if (x >= -Math.PI / 4.0) return fcos(x);
a61af66fc99e Initial load duke parents: diff changeset	1517 // if (x >= -Math.PI / 2.0) return fsin(x + Math.PI / 2.0);
a61af66fc99e Initial load duke parents: diff changeset	1518 // } else {
a61af66fc99e Initial load duke parents: diff changeset	1519 // if (x <= Math.PI / 2.0) return -fsin(x - Math.PI / 2.0);
a61af66fc99e Initial load duke parents: diff changeset	1520 // }
a61af66fc99e Initial load duke parents: diff changeset	1521 // return StrictMath.cos(x);
a61af66fc99e Initial load duke parents: diff changeset	1522
a61af66fc99e Initial load duke parents: diff changeset	1523 // Actually, sticking in an 80-bit Intel value into C2 will be tough; it
a61af66fc99e Initial load duke parents: diff changeset	1524 // requires a special machine instruction to load it. Instead we'll try
a61af66fc99e Initial load duke parents: diff changeset	1525 // the 'easy' case. If we really need the extra range +/- PI/2 we'll
a61af66fc99e Initial load duke parents: diff changeset	1526 // probably do the math inside the SIN encoding.
a61af66fc99e Initial load duke parents: diff changeset	1527
a61af66fc99e Initial load duke parents: diff changeset	1528 // Make the merge point
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1529 RegionNode* r = new (C) RegionNode(3);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1530 Node* phi = new (C) PhiNode(r, Type::DOUBLE);
0 a61af66fc99e Initial load duke parents: diff changeset	1531
a61af66fc99e Initial load duke parents: diff changeset	1532 // Flatten arg so we need only 1 test
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1533 Node *abs = _gvn.transform(new (C) AbsDNode(arg));
0 a61af66fc99e Initial load duke parents: diff changeset	1534 // Node for PI/4 constant
a61af66fc99e Initial load duke parents: diff changeset	1535 Node *pi4 = makecon(TypeD::make(pi_4));
a61af66fc99e Initial load duke parents: diff changeset	1536 // Check PI/4 : abs(arg)
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1537 Node *cmp = _gvn.transform(new (C) CmpDNode(pi4,abs));
0 a61af66fc99e Initial load duke parents: diff changeset	1538 // Check: If PI/4 < abs(arg) then go slow
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1539 Node *bol = _gvn.transform( new (C) BoolNode( cmp, BoolTest::lt ) );
0 a61af66fc99e Initial load duke parents: diff changeset	1540 // Branch either way
a61af66fc99e Initial load duke parents: diff changeset	1541 IfNode *iff = create_and_xform_if(control(),bol, PROB_STATIC_FREQUENT, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	1542 set_control(opt_iff(r,iff));
a61af66fc99e Initial load duke parents: diff changeset	1543
a61af66fc99e Initial load duke parents: diff changeset	1544 // Set fast path result
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1545 phi->init_req(2, n);
0 a61af66fc99e Initial load duke parents: diff changeset	1546
a61af66fc99e Initial load duke parents: diff changeset	1547 // Slow path - non-blocking leaf call
a61af66fc99e Initial load duke parents: diff changeset	1548 Node* call = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1549 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	1550 case vmIntrinsics::_dsin:
a61af66fc99e Initial load duke parents: diff changeset	1551 call = make_runtime_call(RC_LEAF, OptoRuntime::Math_D_D_Type(),
a61af66fc99e Initial load duke parents: diff changeset	1552 CAST_FROM_FN_PTR(address, SharedRuntime::dsin),
a61af66fc99e Initial load duke parents: diff changeset	1553 "Sin", NULL, arg, top());
a61af66fc99e Initial load duke parents: diff changeset	1554 break;
a61af66fc99e Initial load duke parents: diff changeset	1555 case vmIntrinsics::_dcos:
a61af66fc99e Initial load duke parents: diff changeset	1556 call = make_runtime_call(RC_LEAF, OptoRuntime::Math_D_D_Type(),
a61af66fc99e Initial load duke parents: diff changeset	1557 CAST_FROM_FN_PTR(address, SharedRuntime::dcos),
a61af66fc99e Initial load duke parents: diff changeset	1558 "Cos", NULL, arg, top());
a61af66fc99e Initial load duke parents: diff changeset	1559 break;
a61af66fc99e Initial load duke parents: diff changeset	1560 case vmIntrinsics::_dtan:
a61af66fc99e Initial load duke parents: diff changeset	1561 call = make_runtime_call(RC_LEAF, OptoRuntime::Math_D_D_Type(),
a61af66fc99e Initial load duke parents: diff changeset	1562 CAST_FROM_FN_PTR(address, SharedRuntime::dtan),
a61af66fc99e Initial load duke parents: diff changeset	1563 "Tan", NULL, arg, top());
a61af66fc99e Initial load duke parents: diff changeset	1564 break;
a61af66fc99e Initial load duke parents: diff changeset	1565 }
a61af66fc99e Initial load duke parents: diff changeset	1566 assert(control()->in(0) == call, "");
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1567 Node* slow_result = _gvn.transform(new (C) ProjNode(call, TypeFunc::Parms));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1568 r->init_req(1, control());
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1569 phi->init_req(1, slow_result);
0 a61af66fc99e Initial load duke parents: diff changeset	1570
a61af66fc99e Initial load duke parents: diff changeset	1571 // Post-merge
a61af66fc99e Initial load duke parents: diff changeset	1572 set_control(_gvn.transform(r));
a61af66fc99e Initial load duke parents: diff changeset	1573 record_for_igvn(r);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1574 n = _gvn.transform(phi);
0 a61af66fc99e Initial load duke parents: diff changeset	1575
a61af66fc99e Initial load duke parents: diff changeset	1576 C->set_has_split_ifs(true); // Has chance for split-if optimization
a61af66fc99e Initial load duke parents: diff changeset	1577 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1578 set_result(n);
0 a61af66fc99e Initial load duke parents: diff changeset	1579 return true;
a61af66fc99e Initial load duke parents: diff changeset	1580 }
a61af66fc99e Initial load duke parents: diff changeset	1581
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1582 void LibraryCallKit::finish_pow_exp(Node* result, Node* x, Node* y, const TypeFunc* call_type, address funcAddr, const char* funcName) {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1583 //-------------------
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1584 //result=(result.isNaN())? funcAddr():result;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1585 // Check: If isNaN() by checking result!=result? then either trap
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1586 // or go to runtime
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1587 Node* cmpisnan = _gvn.transform(new (C) CmpDNode(result, result));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1588 // Build the boolean node
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1589 Node* bolisnum = _gvn.transform(new (C) BoolNode(cmpisnan, BoolTest::eq));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1590
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1591 if (!too_many_traps(Deoptimization::Reason_intrinsic)) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1592 { BuildCutout unless(this, bolisnum, PROB_STATIC_FREQUENT);
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1593 // The pow or exp intrinsic returned a NaN, which requires a call
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1594 // to the runtime. Recompile with the runtime call.
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1595 uncommon_trap(Deoptimization::Reason_intrinsic,
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1596 Deoptimization::Action_make_not_entrant);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1597 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1598 set_result(result);
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1599 } else {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1600 // If this inlining ever returned NaN in the past, we compile a call
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1601 // to the runtime to properly handle corner cases
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1602
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1603 IfNode* iff = create_and_xform_if(control(), bolisnum, PROB_STATIC_FREQUENT, COUNT_UNKNOWN);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1604 Node* if_slow = _gvn.transform( new (C) IfFalseNode(iff) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1605 Node* if_fast = _gvn.transform( new (C) IfTrueNode(iff) );
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1606
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1607 if (!if_slow->is_top()) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1608 RegionNode* result_region = new (C) RegionNode(3);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1609 PhiNode* result_val = new (C) PhiNode(result_region, Type::DOUBLE);
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1610
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1611 result_region->init_req(1, if_fast);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1612 result_val->init_req(1, result);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1613
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1614 set_control(if_slow);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1615
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1616 const TypePtr* no_memory_effects = NULL;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1617 Node* rt = make_runtime_call(RC_LEAF, call_type, funcAddr, funcName,
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1618 no_memory_effects,
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1619 x, top(), y, y ? top() : NULL);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1620 Node* value = _gvn.transform(new (C) ProjNode(rt, TypeFunc::Parms+0));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1621 #ifdef ASSERT
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1622 Node* value_top = _gvn.transform(new (C) ProjNode(rt, TypeFunc::Parms+1));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1623 assert(value_top == top(), "second value must be top");
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1624 #endif
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1625
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1626 result_region->init_req(2, control());
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1627 result_val->init_req(2, value);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1628 set_result(result_region, result_val);
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1629 } else {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1630 set_result(result);
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1631 }
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1632 }
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1633 }
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1634
0 a61af66fc99e Initial load duke parents: diff changeset	1635 //------------------------------inline_exp-------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	1636 // Inline exp instructions, if possible. The Intel hardware only misses
a61af66fc99e Initial load duke parents: diff changeset	1637 // really odd corner cases (+/- Infinity). Just uncommon-trap them.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1638 bool LibraryCallKit::inline_exp() {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1639 Node* arg = round_double_node(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1640 Node* n = _gvn.transform(new (C) ExpDNode(0, arg));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1641
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1642 finish_pow_exp(n, arg, NULL, OptoRuntime::Math_D_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dexp), "EXP");
0 a61af66fc99e Initial load duke parents: diff changeset	1643
a61af66fc99e Initial load duke parents: diff changeset	1644 C->set_has_split_ifs(true); // Has chance for split-if optimization
a61af66fc99e Initial load duke parents: diff changeset	1645 return true;
a61af66fc99e Initial load duke parents: diff changeset	1646 }
a61af66fc99e Initial load duke parents: diff changeset	1647
a61af66fc99e Initial load duke parents: diff changeset	1648 //------------------------------inline_pow-------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	1649 // Inline power instructions, if possible.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1650 bool LibraryCallKit::inline_pow() {
0 a61af66fc99e Initial load duke parents: diff changeset	1651 // Pseudocode for pow
a61af66fc99e Initial load duke parents: diff changeset	1652 // if (x <= 0.0) {
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1653 // long longy = (long)y;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1654 // if ((double)longy == y) { // if y is long
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1655 // if (y + 1 == y) longy = 0; // huge number: even
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1656 // result = ((1&longy) == 0)?-DPow(abs(x), y):DPow(abs(x), y);
0 a61af66fc99e Initial load duke parents: diff changeset	1657 // } else {
a61af66fc99e Initial load duke parents: diff changeset	1658 // result = NaN;
a61af66fc99e Initial load duke parents: diff changeset	1659 // }
a61af66fc99e Initial load duke parents: diff changeset	1660 // } else {
a61af66fc99e Initial load duke parents: diff changeset	1661 // result = DPow(x,y);
a61af66fc99e Initial load duke parents: diff changeset	1662 // }
a61af66fc99e Initial load duke parents: diff changeset	1663 // if (result != result)? {
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1664 // result = uncommon_trap() or runtime_call();
0 a61af66fc99e Initial load duke parents: diff changeset	1665 // }
a61af66fc99e Initial load duke parents: diff changeset	1666 // return result;
a61af66fc99e Initial load duke parents: diff changeset	1667
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1668 Node* x = round_double_node(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1669 Node* y = round_double_node(argument(2));
0 a61af66fc99e Initial load duke parents: diff changeset	1670
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1671 Node* result = NULL;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1672
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1673 if (!too_many_traps(Deoptimization::Reason_intrinsic)) {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1674 // Short form: skip the fancy tests and just check for NaN result.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1675 result = _gvn.transform(new (C) PowDNode(0, x, y));
0 a61af66fc99e Initial load duke parents: diff changeset	1676 } else {
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1677 // If this inlining ever returned NaN in the past, include all
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1678 // checks + call to the runtime.
0 a61af66fc99e Initial load duke parents: diff changeset	1679
a61af66fc99e Initial load duke parents: diff changeset	1680 // Set the merge point for If node with condition of (x <= 0.0)
a61af66fc99e Initial load duke parents: diff changeset	1681 // There are four possible paths to region node and phi node
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1682 RegionNode *r = new (C) RegionNode(4);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1683 Node *phi = new (C) PhiNode(r, Type::DOUBLE);
0 a61af66fc99e Initial load duke parents: diff changeset	1684
a61af66fc99e Initial load duke parents: diff changeset	1685 // Build the first if node: if (x <= 0.0)
a61af66fc99e Initial load duke parents: diff changeset	1686 // Node for 0 constant
a61af66fc99e Initial load duke parents: diff changeset	1687 Node *zeronode = makecon(TypeD::ZERO);
a61af66fc99e Initial load duke parents: diff changeset	1688 // Check x:0
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1689 Node *cmp = _gvn.transform(new (C) CmpDNode(x, zeronode));
0 a61af66fc99e Initial load duke parents: diff changeset	1690 // Check: If (x<=0) then go complex path
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1691 Node *bol1 = _gvn.transform( new (C) BoolNode( cmp, BoolTest::le ) );
0 a61af66fc99e Initial load duke parents: diff changeset	1692 // Branch either way
a61af66fc99e Initial load duke parents: diff changeset	1693 IfNode *if1 = create_and_xform_if(control(),bol1, PROB_STATIC_INFREQUENT, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	1694 // Fast path taken; set region slot 3
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1695 Node *fast_taken = _gvn.transform( new (C) IfFalseNode(if1) );
0 a61af66fc99e Initial load duke parents: diff changeset	1696 r->init_req(3,fast_taken); // Capture fast-control
a61af66fc99e Initial load duke parents: diff changeset	1697
a61af66fc99e Initial load duke parents: diff changeset	1698 // Fast path not-taken, i.e. slow path
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1699 Node *complex_path = _gvn.transform( new (C) IfTrueNode(if1) );
0 a61af66fc99e Initial load duke parents: diff changeset	1700
a61af66fc99e Initial load duke parents: diff changeset	1701 // Set fast path result
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1702 Node *fast_result = _gvn.transform( new (C) PowDNode(0, x, y) );
0 a61af66fc99e Initial load duke parents: diff changeset	1703 phi->init_req(3, fast_result);
a61af66fc99e Initial load duke parents: diff changeset	1704
a61af66fc99e Initial load duke parents: diff changeset	1705 // Complex path
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1706 // Build the second if node (if y is long)
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1707 // Node for (long)y
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1708 Node *longy = _gvn.transform( new (C) ConvD2LNode(y));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1709 // Node for (double)((long) y)
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1710 Node *doublelongy= _gvn.transform( new (C) ConvL2DNode(longy));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1711 // Check (double)((long) y) : y
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1712 Node *cmplongy= _gvn.transform(new (C) CmpDNode(doublelongy, y));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1713 // Check if (y isn't long) then go to slow path
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1714
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1715 Node *bol2 = _gvn.transform( new (C) BoolNode( cmplongy, BoolTest::ne ) );
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	1716 // Branch either way
0 a61af66fc99e Initial load duke parents: diff changeset	1717 IfNode *if2 = create_and_xform_if(complex_path,bol2, PROB_STATIC_INFREQUENT, COUNT_UNKNOWN);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1718 Node* ylong_path = _gvn.transform( new (C) IfFalseNode(if2));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1719
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1720 Node *slow_path = _gvn.transform( new (C) IfTrueNode(if2) );
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1721
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1722 // Calculate DPow(abs(x), y)*(1 & (long)y)
0 a61af66fc99e Initial load duke parents: diff changeset	1723 // Node for constant 1
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1724 Node *conone = longcon(1);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1725 // 1& (long)y
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1726 Node *signnode= _gvn.transform( new (C) AndLNode(conone, longy) );
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1727
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1728 // A huge number is always even. Detect a huge number by checking
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1729 // if y + 1 == y and set integer to be tested for parity to 0.
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1730 // Required for corner case:
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1731 // (long)9.223372036854776E18 = max_jlong
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1732 // (double)(long)9.223372036854776E18 = 9.223372036854776E18
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1733 // max_jlong is odd but 9.223372036854776E18 is even
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1734 Node* yplus1 = _gvn.transform( new (C) AddDNode(y, makecon(TypeD::make(1))));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1735 Node *cmpyplus1= _gvn.transform(new (C) CmpDNode(yplus1, y));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1736 Node *bolyplus1 = _gvn.transform( new (C) BoolNode( cmpyplus1, BoolTest::eq ) );
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1737 Node* correctedsign = NULL;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1738 if (ConditionalMoveLimit != 0) {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1739 correctedsign = _gvn.transform( CMoveNode::make(C, NULL, bolyplus1, signnode, longcon(0), TypeLong::LONG));
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1740 } else {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1741 IfNode *ifyplus1 = create_and_xform_if(ylong_path,bolyplus1, PROB_FAIR, COUNT_UNKNOWN);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1742 RegionNode *r = new (C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1743 Node *phi = new (C) PhiNode(r, TypeLong::LONG);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1744 r->init_req(1, _gvn.transform( new (C) IfFalseNode(ifyplus1)));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1745 r->init_req(2, _gvn.transform( new (C) IfTrueNode(ifyplus1)));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1746 phi->init_req(1, signnode);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1747 phi->init_req(2, longcon(0));
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1748 correctedsign = _gvn.transform(phi);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1749 ylong_path = _gvn.transform(r);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1750 record_for_igvn(r);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1751 }
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1752
0 a61af66fc99e Initial load duke parents: diff changeset	1753 // zero node
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1754 Node *conzero = longcon(0);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1755 // Check (1&(long)y)==0?
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1756 Node *cmpeq1 = _gvn.transform(new (C) CmpLNode(correctedsign, conzero));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1757 // Check if (1&(long)y)!=0?, if so the result is negative
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1758 Node *bol3 = _gvn.transform( new (C) BoolNode( cmpeq1, BoolTest::ne ) );
0 a61af66fc99e Initial load duke parents: diff changeset	1759 // abs(x)
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1760 Node *absx=_gvn.transform( new (C) AbsDNode(x));
0 a61af66fc99e Initial load duke parents: diff changeset	1761 // abs(x)^y
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1762 Node *absxpowy = _gvn.transform( new (C) PowDNode(0, absx, y) );
0 a61af66fc99e Initial load duke parents: diff changeset	1763 // -abs(x)^y
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1764 Node *negabsxpowy = _gvn.transform(new (C) NegDNode (absxpowy));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1765 // (1&(long)y)==1?-DPow(abs(x), y):DPow(abs(x), y)
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1766 Node *signresult = NULL;
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1767 if (ConditionalMoveLimit != 0) {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1768 signresult = _gvn.transform( CMoveNode::make(C, NULL, bol3, absxpowy, negabsxpowy, Type::DOUBLE));
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1769 } else {
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1770 IfNode *ifyeven = create_and_xform_if(ylong_path,bol3, PROB_FAIR, COUNT_UNKNOWN);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1771 RegionNode *r = new (C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1772 Node *phi = new (C) PhiNode(r, Type::DOUBLE);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1773 r->init_req(1, _gvn.transform( new (C) IfFalseNode(ifyeven)));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1774 r->init_req(2, _gvn.transform( new (C) IfTrueNode(ifyeven)));
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1775 phi->init_req(1, absxpowy);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1776 phi->init_req(2, negabsxpowy);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1777 signresult = _gvn.transform(phi);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1778 ylong_path = _gvn.transform(r);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1779 record_for_igvn(r);
d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1780 }
0 a61af66fc99e Initial load duke parents: diff changeset	1781 // Set complex path fast result
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1782 r->init_req(2, ylong_path);
0 a61af66fc99e Initial load duke parents: diff changeset	1783 phi->init_req(2, signresult);
a61af66fc99e Initial load duke parents: diff changeset	1784
a61af66fc99e Initial load duke parents: diff changeset	1785 static const jlong nan_bits = CONST64(0x7ff8000000000000);
a61af66fc99e Initial load duke parents: diff changeset	1786 Node slow_result = makecon(TypeD::make((double*)&nan_bits)); // return NaN
a61af66fc99e Initial load duke parents: diff changeset	1787 r->init_req(1,slow_path);
a61af66fc99e Initial load duke parents: diff changeset	1788 phi->init_req(1,slow_result);
a61af66fc99e Initial load duke parents: diff changeset	1789
a61af66fc99e Initial load duke parents: diff changeset	1790 // Post merge
a61af66fc99e Initial load duke parents: diff changeset	1791 set_control(_gvn.transform(r));
a61af66fc99e Initial load duke parents: diff changeset	1792 record_for_igvn(r);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1793 result = _gvn.transform(phi);
0 a61af66fc99e Initial load duke parents: diff changeset	1794 }
a61af66fc99e Initial load duke parents: diff changeset	1795
6205 d50605d9417e 7177917: Failed test java/lang/Math/PowTests.java roland parents: 6180 diff changeset	1796 finish_pow_exp(result, x, y, OptoRuntime::Math_DD_D_Type(), CAST_FROM_FN_PTR(address, SharedRuntime::dpow), "POW");
0 a61af66fc99e Initial load duke parents: diff changeset	1797
a61af66fc99e Initial load duke parents: diff changeset	1798 C->set_has_split_ifs(true); // Has chance for split-if optimization
a61af66fc99e Initial load duke parents: diff changeset	1799 return true;
a61af66fc99e Initial load duke parents: diff changeset	1800 }
a61af66fc99e Initial load duke parents: diff changeset	1801
a61af66fc99e Initial load duke parents: diff changeset	1802 //------------------------------runtime_math-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1803 bool LibraryCallKit::runtime_math(const TypeFunc* call_type, address funcAddr, const char* funcName) {
a61af66fc99e Initial load duke parents: diff changeset	1804 assert(call_type == OptoRuntime::Math_DD_D_Type() \|\| call_type == OptoRuntime::Math_D_D_Type(),
a61af66fc99e Initial load duke parents: diff changeset	1805 "must be (DD)D or (D)D type");
a61af66fc99e Initial load duke parents: diff changeset	1806
a61af66fc99e Initial load duke parents: diff changeset	1807 // Inputs
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1808 Node* a = round_double_node(argument(0));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1809 Node* b = (call_type == OptoRuntime::Math_DD_D_Type()) ? round_double_node(argument(2)) : NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	1810
a61af66fc99e Initial load duke parents: diff changeset	1811 const TypePtr* no_memory_effects = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1812 Node* trig = make_runtime_call(RC_LEAF, call_type, funcAddr, funcName,
a61af66fc99e Initial load duke parents: diff changeset	1813 no_memory_effects,
a61af66fc99e Initial load duke parents: diff changeset	1814 a, top(), b, b ? top() : NULL);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1815 Node* value = _gvn.transform(new (C) ProjNode(trig, TypeFunc::Parms+0));
0 a61af66fc99e Initial load duke parents: diff changeset	1816 #ifdef ASSERT
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1817 Node* value_top = _gvn.transform(new (C) ProjNode(trig, TypeFunc::Parms+1));
0 a61af66fc99e Initial load duke parents: diff changeset	1818 assert(value_top == top(), "second value must be top");
a61af66fc99e Initial load duke parents: diff changeset	1819 #endif
a61af66fc99e Initial load duke parents: diff changeset	1820
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1821 set_result(value);
0 a61af66fc99e Initial load duke parents: diff changeset	1822 return true;
a61af66fc99e Initial load duke parents: diff changeset	1823 }
a61af66fc99e Initial load duke parents: diff changeset	1824
a61af66fc99e Initial load duke parents: diff changeset	1825 //------------------------------inline_math_native-----------------------------
a61af66fc99e Initial load duke parents: diff changeset	1826 bool LibraryCallKit::inline_math_native(vmIntrinsics::ID id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1827 #define FN_PTR(f) CAST_FROM_FN_PTR(address, f)
0 a61af66fc99e Initial load duke parents: diff changeset	1828 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	1829 // These intrinsics are not properly supported on all hardware
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1830 case vmIntrinsics::_dcos: return Matcher::has_match_rule(Op_CosD) ? inline_trig(id) :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1831 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dcos), "COS");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1832 case vmIntrinsics::_dsin: return Matcher::has_match_rule(Op_SinD) ? inline_trig(id) :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1833 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dsin), "SIN");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1834 case vmIntrinsics::_dtan: return Matcher::has_match_rule(Op_TanD) ? inline_trig(id) :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1835 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dtan), "TAN");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1836
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1837 case vmIntrinsics::_dlog: return Matcher::has_match_rule(Op_LogD) ? inline_math(id) :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1838 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog), "LOG");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1839 case vmIntrinsics::_dlog10: return Matcher::has_match_rule(Op_Log10D) ? inline_math(id) :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1840 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dlog10), "LOG10");
0 a61af66fc99e Initial load duke parents: diff changeset	1841
a61af66fc99e Initial load duke parents: diff changeset	1842 // These intrinsics are supported on all hardware
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1843 case vmIntrinsics::_dsqrt: return Matcher::has_match_rule(Op_SqrtD) ? inline_math(id) : false;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1844 case vmIntrinsics::_dabs: return Matcher::has_match_rule(Op_AbsD) ? inline_math(id) : false;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1845
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1846 case vmIntrinsics::_dexp: return Matcher::has_match_rule(Op_ExpD) ? inline_exp() :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1847 runtime_math(OptoRuntime::Math_D_D_Type(), FN_PTR(SharedRuntime::dexp), "EXP");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1848 case vmIntrinsics::_dpow: return Matcher::has_match_rule(Op_PowD) ? inline_pow() :
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1849 runtime_math(OptoRuntime::Math_DD_D_Type(), FN_PTR(SharedRuntime::dpow), "POW");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1850 #undef FN_PTR
0 a61af66fc99e Initial load duke parents: diff changeset	1851
a61af66fc99e Initial load duke parents: diff changeset	1852 // These intrinsics are not yet correctly implemented
a61af66fc99e Initial load duke parents: diff changeset	1853 case vmIntrinsics::_datan2:
a61af66fc99e Initial load duke parents: diff changeset	1854 return false;
a61af66fc99e Initial load duke parents: diff changeset	1855
a61af66fc99e Initial load duke parents: diff changeset	1856 default:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1857 fatal_unexpected_iid(id);
0 a61af66fc99e Initial load duke parents: diff changeset	1858 return false;
a61af66fc99e Initial load duke parents: diff changeset	1859 }
a61af66fc99e Initial load duke parents: diff changeset	1860 }
a61af66fc99e Initial load duke parents: diff changeset	1861
a61af66fc99e Initial load duke parents: diff changeset	1862 static bool is_simple_name(Node* n) {
a61af66fc99e Initial load duke parents: diff changeset	1863 return (n->req() == 1 // constant
a61af66fc99e Initial load duke parents: diff changeset	1864 \|\| (n->is_Type() && n->as_Type()->type()->singleton())
a61af66fc99e Initial load duke parents: diff changeset	1865 \|\| n->is_Proj() // parameter or return value
a61af66fc99e Initial load duke parents: diff changeset	1866 \|\| n->is_Phi() // local of some sort
a61af66fc99e Initial load duke parents: diff changeset	1867 );
a61af66fc99e Initial load duke parents: diff changeset	1868 }
a61af66fc99e Initial load duke parents: diff changeset	1869
a61af66fc99e Initial load duke parents: diff changeset	1870 //----------------------------inline_min_max-----------------------------------
a61af66fc99e Initial load duke parents: diff changeset	1871 bool LibraryCallKit::inline_min_max(vmIntrinsics::ID id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	1872 set_result(generate_min_max(id, argument(0), argument(1)));
0 a61af66fc99e Initial load duke parents: diff changeset	1873 return true;
a61af66fc99e Initial load duke parents: diff changeset	1874 }
a61af66fc99e Initial load duke parents: diff changeset	1875
a61af66fc99e Initial load duke parents: diff changeset	1876 Node*
a61af66fc99e Initial load duke parents: diff changeset	1877 LibraryCallKit::generate_min_max(vmIntrinsics::ID id, Node* x0, Node* y0) {
a61af66fc99e Initial load duke parents: diff changeset	1878 // These are the candidate return value:
a61af66fc99e Initial load duke parents: diff changeset	1879 Node* xvalue = x0;
a61af66fc99e Initial load duke parents: diff changeset	1880 Node* yvalue = y0;
a61af66fc99e Initial load duke parents: diff changeset	1881
a61af66fc99e Initial load duke parents: diff changeset	1882 if (xvalue == yvalue) {
a61af66fc99e Initial load duke parents: diff changeset	1883 return xvalue;
a61af66fc99e Initial load duke parents: diff changeset	1884 }
a61af66fc99e Initial load duke parents: diff changeset	1885
a61af66fc99e Initial load duke parents: diff changeset	1886 bool want_max = (id == vmIntrinsics::_max);
a61af66fc99e Initial load duke parents: diff changeset	1887
a61af66fc99e Initial load duke parents: diff changeset	1888 const TypeInt* txvalue = _gvn.type(xvalue)->isa_int();
a61af66fc99e Initial load duke parents: diff changeset	1889 const TypeInt* tyvalue = _gvn.type(yvalue)->isa_int();
a61af66fc99e Initial load duke parents: diff changeset	1890 if (txvalue == NULL \|\| tyvalue == NULL) return top();
a61af66fc99e Initial load duke parents: diff changeset	1891 // This is not really necessary, but it is consistent with a
a61af66fc99e Initial load duke parents: diff changeset	1892 // hypothetical MaxINode::Value method:
a61af66fc99e Initial load duke parents: diff changeset	1893 int widen = MAX2(txvalue->_widen, tyvalue->_widen);
a61af66fc99e Initial load duke parents: diff changeset	1894
a61af66fc99e Initial load duke parents: diff changeset	1895 // %%% This folding logic should (ideally) be in a different place.
a61af66fc99e Initial load duke parents: diff changeset	1896 // Some should be inside IfNode, and there to be a more reliable
a61af66fc99e Initial load duke parents: diff changeset	1897 // transformation of ?: style patterns into cmoves. We also want
a61af66fc99e Initial load duke parents: diff changeset	1898 // more powerful optimizations around cmove and min/max.
a61af66fc99e Initial load duke parents: diff changeset	1899
a61af66fc99e Initial load duke parents: diff changeset	1900 // Try to find a dominating comparison of these guys.
a61af66fc99e Initial load duke parents: diff changeset	1901 // It can simplify the index computation for Arrays.copyOf
a61af66fc99e Initial load duke parents: diff changeset	1902 // and similar uses of System.arraycopy.
a61af66fc99e Initial load duke parents: diff changeset	1903 // First, compute the normalized version of CmpI(x, y).
a61af66fc99e Initial load duke parents: diff changeset	1904 int cmp_op = Op_CmpI;
a61af66fc99e Initial load duke parents: diff changeset	1905 Node* xkey = xvalue;
a61af66fc99e Initial load duke parents: diff changeset	1906 Node* ykey = yvalue;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	1907 Node* ideal_cmpxy = _gvn.transform( new(C) CmpINode(xkey, ykey) );
0 a61af66fc99e Initial load duke parents: diff changeset	1908 if (ideal_cmpxy->is_Cmp()) {
a61af66fc99e Initial load duke parents: diff changeset	1909 // E.g., if we have CmpI(length - offset, count),
a61af66fc99e Initial load duke parents: diff changeset	1910 // it might idealize to CmpI(length, count + offset)
a61af66fc99e Initial load duke parents: diff changeset	1911 cmp_op = ideal_cmpxy->Opcode();
a61af66fc99e Initial load duke parents: diff changeset	1912 xkey = ideal_cmpxy->in(1);
a61af66fc99e Initial load duke parents: diff changeset	1913 ykey = ideal_cmpxy->in(2);
a61af66fc99e Initial load duke parents: diff changeset	1914 }
a61af66fc99e Initial load duke parents: diff changeset	1915
a61af66fc99e Initial load duke parents: diff changeset	1916 // Start by locating any relevant comparisons.
a61af66fc99e Initial load duke parents: diff changeset	1917 Node* start_from = (xkey->outcnt() < ykey->outcnt()) ? xkey : ykey;
a61af66fc99e Initial load duke parents: diff changeset	1918 Node* cmpxy = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1919 Node* cmpyx = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1920 for (DUIterator_Fast kmax, k = start_from->fast_outs(kmax); k < kmax; k++) {
a61af66fc99e Initial load duke parents: diff changeset	1921 Node* cmp = start_from->fast_out(k);
a61af66fc99e Initial load duke parents: diff changeset	1922 if (cmp->outcnt() > 0 && // must have prior uses
a61af66fc99e Initial load duke parents: diff changeset	1923 cmp->in(0) == NULL && // must be context-independent
a61af66fc99e Initial load duke parents: diff changeset	1924 cmp->Opcode() == cmp_op) { // right kind of compare
a61af66fc99e Initial load duke parents: diff changeset	1925 if (cmp->in(1) == xkey && cmp->in(2) == ykey) cmpxy = cmp;
a61af66fc99e Initial load duke parents: diff changeset	1926 if (cmp->in(1) == ykey && cmp->in(2) == xkey) cmpyx = cmp;
a61af66fc99e Initial load duke parents: diff changeset	1927 }
a61af66fc99e Initial load duke parents: diff changeset	1928 }
a61af66fc99e Initial load duke parents: diff changeset	1929
a61af66fc99e Initial load duke parents: diff changeset	1930 const int NCMPS = 2;
a61af66fc99e Initial load duke parents: diff changeset	1931 Node* cmps[NCMPS] = { cmpxy, cmpyx };
a61af66fc99e Initial load duke parents: diff changeset	1932 int cmpn;
a61af66fc99e Initial load duke parents: diff changeset	1933 for (cmpn = 0; cmpn < NCMPS; cmpn++) {
a61af66fc99e Initial load duke parents: diff changeset	1934 if (cmps[cmpn] != NULL) break; // find a result
a61af66fc99e Initial load duke parents: diff changeset	1935 }
a61af66fc99e Initial load duke parents: diff changeset	1936 if (cmpn < NCMPS) {
a61af66fc99e Initial load duke parents: diff changeset	1937 // Look for a dominating test that tells us the min and max.
a61af66fc99e Initial load duke parents: diff changeset	1938 int depth = 0; // Limit search depth for speed
a61af66fc99e Initial load duke parents: diff changeset	1939 Node* dom = control();
a61af66fc99e Initial load duke parents: diff changeset	1940 for (; dom != NULL; dom = IfNode::up_one_dom(dom, true)) {
a61af66fc99e Initial load duke parents: diff changeset	1941 if (++depth >= 100) break;
a61af66fc99e Initial load duke parents: diff changeset	1942 Node* ifproj = dom;
a61af66fc99e Initial load duke parents: diff changeset	1943 if (!ifproj->is_Proj()) continue;
a61af66fc99e Initial load duke parents: diff changeset	1944 Node* iff = ifproj->in(0);
a61af66fc99e Initial load duke parents: diff changeset	1945 if (!iff->is_If()) continue;
a61af66fc99e Initial load duke parents: diff changeset	1946 Node* bol = iff->in(1);
a61af66fc99e Initial load duke parents: diff changeset	1947 if (!bol->is_Bool()) continue;
a61af66fc99e Initial load duke parents: diff changeset	1948 Node* cmp = bol->in(1);
a61af66fc99e Initial load duke parents: diff changeset	1949 if (cmp == NULL) continue;
a61af66fc99e Initial load duke parents: diff changeset	1950 for (cmpn = 0; cmpn < NCMPS; cmpn++)
a61af66fc99e Initial load duke parents: diff changeset	1951 if (cmps[cmpn] == cmp) break;
a61af66fc99e Initial load duke parents: diff changeset	1952 if (cmpn == NCMPS) continue;
a61af66fc99e Initial load duke parents: diff changeset	1953 BoolTest::mask btest = bol->as_Bool()->_test._test;
a61af66fc99e Initial load duke parents: diff changeset	1954 if (ifproj->is_IfFalse()) btest = BoolTest(btest).negate();
a61af66fc99e Initial load duke parents: diff changeset	1955 if (cmp->in(1) == ykey) btest = BoolTest(btest).commute();
a61af66fc99e Initial load duke parents: diff changeset	1956 // At this point, we know that 'x btest y' is true.
a61af66fc99e Initial load duke parents: diff changeset	1957 switch (btest) {
a61af66fc99e Initial load duke parents: diff changeset	1958 case BoolTest::eq:
a61af66fc99e Initial load duke parents: diff changeset	1959 // They are proven equal, so we can collapse the min/max.
a61af66fc99e Initial load duke parents: diff changeset	1960 // Either value is the answer. Choose the simpler.
a61af66fc99e Initial load duke parents: diff changeset	1961 if (is_simple_name(yvalue) && !is_simple_name(xvalue))
a61af66fc99e Initial load duke parents: diff changeset	1962 return yvalue;
a61af66fc99e Initial load duke parents: diff changeset	1963 return xvalue;
a61af66fc99e Initial load duke parents: diff changeset	1964 case BoolTest::lt: // x < y
a61af66fc99e Initial load duke parents: diff changeset	1965 case BoolTest::le: // x <= y
a61af66fc99e Initial load duke parents: diff changeset	1966 return (want_max ? yvalue : xvalue);
a61af66fc99e Initial load duke parents: diff changeset	1967 case BoolTest::gt: // x > y
a61af66fc99e Initial load duke parents: diff changeset	1968 case BoolTest::ge: // x >= y
a61af66fc99e Initial load duke parents: diff changeset	1969 return (want_max ? xvalue : yvalue);
a61af66fc99e Initial load duke parents: diff changeset	1970 }
a61af66fc99e Initial load duke parents: diff changeset	1971 }
a61af66fc99e Initial load duke parents: diff changeset	1972 }
a61af66fc99e Initial load duke parents: diff changeset	1973
a61af66fc99e Initial load duke parents: diff changeset	1974 // We failed to find a dominating test.
a61af66fc99e Initial load duke parents: diff changeset	1975 // Let's pick a test that might GVN with prior tests.
a61af66fc99e Initial load duke parents: diff changeset	1976 Node* best_bol = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1977 BoolTest::mask best_btest = BoolTest::illegal;
a61af66fc99e Initial load duke parents: diff changeset	1978 for (cmpn = 0; cmpn < NCMPS; cmpn++) {
a61af66fc99e Initial load duke parents: diff changeset	1979 Node* cmp = cmps[cmpn];
a61af66fc99e Initial load duke parents: diff changeset	1980 if (cmp == NULL) continue;
a61af66fc99e Initial load duke parents: diff changeset	1981 for (DUIterator_Fast jmax, j = cmp->fast_outs(jmax); j < jmax; j++) {
a61af66fc99e Initial load duke parents: diff changeset	1982 Node* bol = cmp->fast_out(j);
a61af66fc99e Initial load duke parents: diff changeset	1983 if (!bol->is_Bool()) continue;
a61af66fc99e Initial load duke parents: diff changeset	1984 BoolTest::mask btest = bol->as_Bool()->_test._test;
a61af66fc99e Initial load duke parents: diff changeset	1985 if (btest == BoolTest::eq \|\| btest == BoolTest::ne) continue;
a61af66fc99e Initial load duke parents: diff changeset	1986 if (cmp->in(1) == ykey) btest = BoolTest(btest).commute();
a61af66fc99e Initial load duke parents: diff changeset	1987 if (bol->outcnt() > (best_bol == NULL ? 0 : best_bol->outcnt())) {
a61af66fc99e Initial load duke parents: diff changeset	1988 best_bol = bol->as_Bool();
a61af66fc99e Initial load duke parents: diff changeset	1989 best_btest = btest;
a61af66fc99e Initial load duke parents: diff changeset	1990 }
a61af66fc99e Initial load duke parents: diff changeset	1991 }
a61af66fc99e Initial load duke parents: diff changeset	1992 }
a61af66fc99e Initial load duke parents: diff changeset	1993
a61af66fc99e Initial load duke parents: diff changeset	1994 Node* answer_if_true = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1995 Node* answer_if_false = NULL;
a61af66fc99e Initial load duke parents: diff changeset	1996 switch (best_btest) {
a61af66fc99e Initial load duke parents: diff changeset	1997 default:
a61af66fc99e Initial load duke parents: diff changeset	1998 if (cmpxy == NULL)
a61af66fc99e Initial load duke parents: diff changeset	1999 cmpxy = ideal_cmpxy;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2000 best_bol = _gvn.transform( new(C) BoolNode(cmpxy, BoolTest::lt) );
0 a61af66fc99e Initial load duke parents: diff changeset	2001 // and fall through:
a61af66fc99e Initial load duke parents: diff changeset	2002 case BoolTest::lt: // x < y
a61af66fc99e Initial load duke parents: diff changeset	2003 case BoolTest::le: // x <= y
a61af66fc99e Initial load duke parents: diff changeset	2004 answer_if_true = (want_max ? yvalue : xvalue);
a61af66fc99e Initial load duke parents: diff changeset	2005 answer_if_false = (want_max ? xvalue : yvalue);
a61af66fc99e Initial load duke parents: diff changeset	2006 break;
a61af66fc99e Initial load duke parents: diff changeset	2007 case BoolTest::gt: // x > y
a61af66fc99e Initial load duke parents: diff changeset	2008 case BoolTest::ge: // x >= y
a61af66fc99e Initial load duke parents: diff changeset	2009 answer_if_true = (want_max ? xvalue : yvalue);
a61af66fc99e Initial load duke parents: diff changeset	2010 answer_if_false = (want_max ? yvalue : xvalue);
a61af66fc99e Initial load duke parents: diff changeset	2011 break;
a61af66fc99e Initial load duke parents: diff changeset	2012 }
a61af66fc99e Initial load duke parents: diff changeset	2013
a61af66fc99e Initial load duke parents: diff changeset	2014 jint hi, lo;
a61af66fc99e Initial load duke parents: diff changeset	2015 if (want_max) {
a61af66fc99e Initial load duke parents: diff changeset	2016 // We can sharpen the minimum.
a61af66fc99e Initial load duke parents: diff changeset	2017 hi = MAX2(txvalue->_hi, tyvalue->_hi);
a61af66fc99e Initial load duke parents: diff changeset	2018 lo = MAX2(txvalue->_lo, tyvalue->_lo);
a61af66fc99e Initial load duke parents: diff changeset	2019 } else {
a61af66fc99e Initial load duke parents: diff changeset	2020 // We can sharpen the maximum.
a61af66fc99e Initial load duke parents: diff changeset	2021 hi = MIN2(txvalue->_hi, tyvalue->_hi);
a61af66fc99e Initial load duke parents: diff changeset	2022 lo = MIN2(txvalue->_lo, tyvalue->_lo);
a61af66fc99e Initial load duke parents: diff changeset	2023 }
a61af66fc99e Initial load duke parents: diff changeset	2024
a61af66fc99e Initial load duke parents: diff changeset	2025 // Use a flow-free graph structure, to avoid creating excess control edges
a61af66fc99e Initial load duke parents: diff changeset	2026 // which could hinder other optimizations.
a61af66fc99e Initial load duke parents: diff changeset	2027 // Since Math.min/max is often used with arraycopy, we want
a61af66fc99e Initial load duke parents: diff changeset	2028 // tightly_coupled_allocation to be able to see beyond min/max expressions.
a61af66fc99e Initial load duke parents: diff changeset	2029 Node* cmov = CMoveNode::make(C, NULL, best_bol,
a61af66fc99e Initial load duke parents: diff changeset	2030 answer_if_false, answer_if_true,
a61af66fc99e Initial load duke parents: diff changeset	2031 TypeInt::make(lo, hi, widen));
a61af66fc99e Initial load duke parents: diff changeset	2032
a61af66fc99e Initial load duke parents: diff changeset	2033 return _gvn.transform(cmov);
a61af66fc99e Initial load duke parents: diff changeset	2034
a61af66fc99e Initial load duke parents: diff changeset	2035 /*
a61af66fc99e Initial load duke parents: diff changeset	2036 // This is not as desirable as it may seem, since Min and Max
a61af66fc99e Initial load duke parents: diff changeset	2037 // nodes do not have a full set of optimizations.
a61af66fc99e Initial load duke parents: diff changeset	2038 // And they would interfere, anyway, with 'if' optimizations
a61af66fc99e Initial load duke parents: diff changeset	2039 // and with CMoveI canonical forms.
a61af66fc99e Initial load duke parents: diff changeset	2040 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	2041 case vmIntrinsics::_min:
a61af66fc99e Initial load duke parents: diff changeset	2042 result_val = _gvn.transform(new (C, 3) MinINode(x,y)); break;
a61af66fc99e Initial load duke parents: diff changeset	2043 case vmIntrinsics::_max:
a61af66fc99e Initial load duke parents: diff changeset	2044 result_val = _gvn.transform(new (C, 3) MaxINode(x,y)); break;
a61af66fc99e Initial load duke parents: diff changeset	2045 default:
a61af66fc99e Initial load duke parents: diff changeset	2046 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	2047 }
a61af66fc99e Initial load duke parents: diff changeset	2048 */
a61af66fc99e Initial load duke parents: diff changeset	2049 }
a61af66fc99e Initial load duke parents: diff changeset	2050
a61af66fc99e Initial load duke parents: diff changeset	2051 inline int
a61af66fc99e Initial load duke parents: diff changeset	2052 LibraryCallKit::classify_unsafe_addr(Node* &base, Node* &offset) {
a61af66fc99e Initial load duke parents: diff changeset	2053 const TypePtr* base_type = TypePtr::NULL_PTR;
a61af66fc99e Initial load duke parents: diff changeset	2054 if (base != NULL) base_type = _gvn.type(base)->isa_ptr();
a61af66fc99e Initial load duke parents: diff changeset	2055 if (base_type == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	2056 // Unknown type.
a61af66fc99e Initial load duke parents: diff changeset	2057 return Type::AnyPtr;
a61af66fc99e Initial load duke parents: diff changeset	2058 } else if (base_type == TypePtr::NULL_PTR) {
a61af66fc99e Initial load duke parents: diff changeset	2059 // Since this is a NULL+long form, we have to switch to a rawptr.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2060 base = _gvn.transform( new (C) CastX2PNode(offset) );
0 a61af66fc99e Initial load duke parents: diff changeset	2061 offset = MakeConX(0);
a61af66fc99e Initial load duke parents: diff changeset	2062 return Type::RawPtr;
a61af66fc99e Initial load duke parents: diff changeset	2063 } else if (base_type->base() == Type::RawPtr) {
a61af66fc99e Initial load duke parents: diff changeset	2064 return Type::RawPtr;
a61af66fc99e Initial load duke parents: diff changeset	2065 } else if (base_type->isa_oopptr()) {
a61af66fc99e Initial load duke parents: diff changeset	2066 // Base is never null => always a heap address.
a61af66fc99e Initial load duke parents: diff changeset	2067 if (base_type->ptr() == TypePtr::NotNull) {
a61af66fc99e Initial load duke parents: diff changeset	2068 return Type::OopPtr;
a61af66fc99e Initial load duke parents: diff changeset	2069 }
a61af66fc99e Initial load duke parents: diff changeset	2070 // Offset is small => always a heap address.
a61af66fc99e Initial load duke parents: diff changeset	2071 const TypeX* offset_type = _gvn.type(offset)->isa_intptr_t();
a61af66fc99e Initial load duke parents: diff changeset	2072 if (offset_type != NULL &&
a61af66fc99e Initial load duke parents: diff changeset	2073 base_type->offset() == 0 && // (should always be?)
a61af66fc99e Initial load duke parents: diff changeset	2074 offset_type->_lo >= 0 &&
a61af66fc99e Initial load duke parents: diff changeset	2075 !MacroAssembler::needs_explicit_null_check(offset_type->_hi)) {
a61af66fc99e Initial load duke parents: diff changeset	2076 return Type::OopPtr;
a61af66fc99e Initial load duke parents: diff changeset	2077 }
a61af66fc99e Initial load duke parents: diff changeset	2078 // Otherwise, it might either be oop+off or NULL+addr.
a61af66fc99e Initial load duke parents: diff changeset	2079 return Type::AnyPtr;
a61af66fc99e Initial load duke parents: diff changeset	2080 } else {
a61af66fc99e Initial load duke parents: diff changeset	2081 // No information:
a61af66fc99e Initial load duke parents: diff changeset	2082 return Type::AnyPtr;
a61af66fc99e Initial load duke parents: diff changeset	2083 }
a61af66fc99e Initial load duke parents: diff changeset	2084 }
a61af66fc99e Initial load duke parents: diff changeset	2085
a61af66fc99e Initial load duke parents: diff changeset	2086 inline Node* LibraryCallKit::make_unsafe_address(Node* base, Node* offset) {
a61af66fc99e Initial load duke parents: diff changeset	2087 int kind = classify_unsafe_addr(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2088 if (kind == Type::RawPtr) {
a61af66fc99e Initial load duke parents: diff changeset	2089 return basic_plus_adr(top(), base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2090 } else {
a61af66fc99e Initial load duke parents: diff changeset	2091 return basic_plus_adr(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2092 }
a61af66fc99e Initial load duke parents: diff changeset	2093 }
a61af66fc99e Initial load duke parents: diff changeset	2094
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2095 //--------------------------inline_number_methods-----------------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2096 // inline int Integer.numberOfLeadingZeros(int)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2097 // inline int Long.numberOfLeadingZeros(long)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2098 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2099 // inline int Integer.numberOfTrailingZeros(int)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2100 // inline int Long.numberOfTrailingZeros(long)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2101 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2102 // inline int Integer.bitCount(int)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2103 // inline int Long.bitCount(long)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2104 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2105 // inline char Character.reverseBytes(char)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2106 // inline short Short.reverseBytes(short)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2107 // inline int Integer.reverseBytes(int)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2108 // inline long Long.reverseBytes(long)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2109 bool LibraryCallKit::inline_number_methods(vmIntrinsics::ID id) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2110 Node* arg = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2111 Node* n;
775 93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	2112 switch (id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2113 case vmIntrinsics::_numberOfLeadingZeros_i: n = new (C) CountLeadingZerosINode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2114 case vmIntrinsics::_numberOfLeadingZeros_l: n = new (C) CountLeadingZerosLNode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2115 case vmIntrinsics::_numberOfTrailingZeros_i: n = new (C) CountTrailingZerosINode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2116 case vmIntrinsics::_numberOfTrailingZeros_l: n = new (C) CountTrailingZerosLNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2117 case vmIntrinsics::_bitCount_i: n = new (C) PopCountINode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2118 case vmIntrinsics::_bitCount_l: n = new (C) PopCountLNode( arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2119 case vmIntrinsics::_reverseBytes_c: n = new (C) ReverseBytesUSNode(0, arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2120 case vmIntrinsics::_reverseBytes_s: n = new (C) ReverseBytesSNode( 0, arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2121 case vmIntrinsics::_reverseBytes_i: n = new (C) ReverseBytesINode( 0, arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2122 case vmIntrinsics::_reverseBytes_l: n = new (C) ReverseBytesLNode( 0, arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2123 default: fatal_unexpected_iid(id); break;
775 93c14e5562c4 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() twisti parents: 730 diff changeset	2124 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2125 set_result(_gvn.transform(n));
0 a61af66fc99e Initial load duke parents: diff changeset	2126 return true;
a61af66fc99e Initial load duke parents: diff changeset	2127 }
a61af66fc99e Initial load duke parents: diff changeset	2128
a61af66fc99e Initial load duke parents: diff changeset	2129 //----------------------------inline_unsafe_access----------------------------
a61af66fc99e Initial load duke parents: diff changeset	2130
a61af66fc99e Initial load duke parents: diff changeset	2131 const static BasicType T_ADDRESS_HOLDER = T_LONG;
a61af66fc99e Initial load duke parents: diff changeset	2132
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2133 // Helper that guards and inserts a pre-barrier.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2134 void LibraryCallKit::insert_pre_barrier(Node* base_oop, Node* offset,
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2135 Node* pre_val, bool need_mem_bar) {
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2136 // We could be accessing the referent field of a reference object. If so, when G1
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2137 // is enabled, we need to log the value in the referent field in an SATB buffer.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2138 // This routine performs some compile time filters and generates suitable
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2139 // runtime filters that guard the pre-barrier code.
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2140 // Also add memory barrier for non volatile load from the referent field
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2141 // to prevent commoning of loads across safepoint.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2142 if (!UseG1GC && !need_mem_bar)
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2143 return;
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2144
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2145 // Some compile time checks.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2146
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2147 // If offset is a constant, is it java_lang_ref_Reference::_reference_offset?
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2148 const TypeX* otype = offset->find_intptr_t_type();
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2149 if (otype != NULL && otype->is_con() &&
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2150 otype->get_con() != java_lang_ref_Reference::referent_offset) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2151 // Constant offset but not the reference_offset so just return
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2152 return;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2153 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2154
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2155 // We only need to generate the runtime guards for instances.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2156 const TypeOopPtr* btype = base_oop->bottom_type()->isa_oopptr();
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2157 if (btype != NULL) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2158 if (btype->isa_aryptr()) {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2159 // Array type so nothing to do
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2160 return;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2161 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2162
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2163 const TypeInstPtr* itype = btype->isa_instptr();
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2164 if (itype != NULL) {
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2165 // Can the klass of base_oop be statically determined to be
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2166 // _not_ a sub-class of Reference and _not_ Object?
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2167 ciKlass* klass = itype->klass();
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2168 if ( klass->is_loaded() &&
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2169 !klass->is_subtype_of(env()->Reference_klass()) &&
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2170 !env()->Object_klass()->is_subtype_of(klass)) {
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2171 return;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2172 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2173 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2174 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2175
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2176 // The compile time filters did not reject base_oop/offset so
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2177 // we need to generate the following runtime filters
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2178 //
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2179 // if (offset == java_lang_ref_Reference::_reference_offset) {
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2180 // if (instance_of(base, java.lang.ref.Reference)) {
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2181 // pre_barrier(_, pre_val, ...);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2182 // }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2183 // }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2184
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2185 float likely = PROB_LIKELY( 0.999);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2186 float unlikely = PROB_UNLIKELY(0.999);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2187
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2188 IdealKit ideal(this);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2189 #define __ ideal.
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2190
3254 59766fd005ff 7035117: G1: nsk/stress/jni/jnistress002 fails with assertion failure johnc parents: 3252 diff changeset	2191 Node* referent_off = __ ConX(java_lang_ref_Reference::referent_offset);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2192
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2193 __ if_then(offset, BoolTest::eq, referent_off, unlikely); {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2194 // Update graphKit memory and control from IdealKit.
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2195 sync_kit(ideal);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2196
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2197 Node* ref_klass_con = makecon(TypeKlassPtr::make(env()->Reference_klass()));
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2198 Node* is_instof = gen_instanceof(base_oop, ref_klass_con);
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2199
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2200 // Update IdealKit memory and control from graphKit.
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2201 __ sync_kit(this);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2202
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2203 Node* one = __ ConI(1);
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2204 // is_instof == 0 if base_oop == NULL
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2205 __ if_then(is_instof, BoolTest::eq, one, unlikely); {
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2206
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2207 // Update graphKit from IdeakKit.
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2208 sync_kit(ideal);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2209
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2210 // Use the pre-barrier to record the value in the referent field
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2211 pre_barrier(false /* do_load */,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2212 __ ctrl(),
3258 edd9b016deb6 7036021: G1: build failure on win64 and linux with hs21 in jdk6 build environment johnc parents: 3255 diff changeset	2213 NULL /* obj /, NULL / adr /, max_juint / alias_idx /, NULL / val /, NULL / val_type */,
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2214 pre_val /* pre_val */,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2215 T_OBJECT);
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2216 if (need_mem_bar) {
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2217 // Add memory barrier to prevent commoning reads from this field
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2218 // across safepoint since GC can change its value.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2219 insert_mem_bar(Op_MemBarCPUOrder);
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2220 }
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2221 // Update IdealKit from graphKit.
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2222 __ sync_kit(this);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2223
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2224 } __ end_if(); // _ref_type != ref_none
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2225 } __ end_if(); // offset == referent_offset
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2226
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2227 // Final sync IdealKit and GraphKit.
3255 5d046bf49ce7 Merge johnc parents: 2446 3254 diff changeset	2228 final_sync(ideal);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2229 #undef __
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2230 }
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2231
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2232
0 a61af66fc99e Initial load duke parents: diff changeset	2233 // Interpret Unsafe.fieldOffset cookies correctly:
a61af66fc99e Initial load duke parents: diff changeset	2234 extern jlong Unsafe_field_offset_to_byte_offset(jlong field_offset);
a61af66fc99e Initial load duke parents: diff changeset	2235
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2236 const TypeOopPtr* LibraryCallKit::sharpen_unsafe_type(Compile::AliasType* alias_type, const TypePtr *adr_type, bool is_native_ptr) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2237 // Attempt to infer a sharper value type from the offset and base type.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2238 ciKlass* sharpened_klass = NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2239
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2240 // See if it is an instance field, with an object type.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2241 if (alias_type->field() != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2242 assert(!is_native_ptr, "native pointer op cannot use a java address");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2243 if (alias_type->field()->type()->is_klass()) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2244 sharpened_klass = alias_type->field()->type()->as_klass();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2245 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2246 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2247
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2248 // See if it is a narrow oop array.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2249 if (adr_type->isa_aryptr()) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2250 if (adr_type->offset() >= objArrayOopDesc::base_offset_in_bytes()) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2251 const TypeOopPtr *elem_type = adr_type->is_aryptr()->elem()->isa_oopptr();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2252 if (elem_type != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2253 sharpened_klass = elem_type->klass();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2254 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2255 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2256 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2257
6847 65d07d9ee446 8000263: JSR 292: signature types may appear to be unloaded twisti parents: 6804 diff changeset	2258 // The sharpened class might be unloaded if there is no class loader
65d07d9ee446 8000263: JSR 292: signature types may appear to be unloaded twisti parents: 6804 diff changeset	2259 // contraint in place.
65d07d9ee446 8000263: JSR 292: signature types may appear to be unloaded twisti parents: 6804 diff changeset	2260 if (sharpened_klass != NULL && sharpened_klass->is_loaded()) {
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2261 const TypeOopPtr* tjp = TypeOopPtr::make_from_klass(sharpened_klass);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2262
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2263 #ifndef PRODUCT
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2264 if (PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) {
6847 65d07d9ee446 8000263: JSR 292: signature types may appear to be unloaded twisti parents: 6804 diff changeset	2265 tty->print(" from base type: "); adr_type->dump();
65d07d9ee446 8000263: JSR 292: signature types may appear to be unloaded twisti parents: 6804 diff changeset	2266 tty->print(" sharpened value: "); tjp->dump();
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2267 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2268 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2269 // Sharpen the value type.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2270 return tjp;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2271 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2272 return NULL;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2273 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2274
0 a61af66fc99e Initial load duke parents: diff changeset	2275 bool LibraryCallKit::inline_unsafe_access(bool is_native_ptr, bool is_store, BasicType type, bool is_volatile) {
a61af66fc99e Initial load duke parents: diff changeset	2276 if (callee()->is_static()) return false; // caller must have the capability!
a61af66fc99e Initial load duke parents: diff changeset	2277
a61af66fc99e Initial load duke parents: diff changeset	2278 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2279 {
a61af66fc99e Initial load duke parents: diff changeset	2280 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2281 // Check the signatures.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2282 ciSignature* sig = callee()->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	2283 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2284 if (!is_store) {
a61af66fc99e Initial load duke parents: diff changeset	2285 // Object getObject(Object base, int/long offset), etc.
a61af66fc99e Initial load duke parents: diff changeset	2286 BasicType rtype = sig->return_type()->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	2287 if (rtype == T_ADDRESS_HOLDER && callee()->name() == ciSymbol::getAddress_name())
a61af66fc99e Initial load duke parents: diff changeset	2288 rtype = T_ADDRESS; // it is really a C void*
a61af66fc99e Initial load duke parents: diff changeset	2289 assert(rtype == type, "getter must return the expected value");
a61af66fc99e Initial load duke parents: diff changeset	2290 if (!is_native_ptr) {
a61af66fc99e Initial load duke parents: diff changeset	2291 assert(sig->count() == 2, "oop getter has 2 arguments");
a61af66fc99e Initial load duke parents: diff changeset	2292 assert(sig->type_at(0)->basic_type() == T_OBJECT, "getter base is object");
a61af66fc99e Initial load duke parents: diff changeset	2293 assert(sig->type_at(1)->basic_type() == T_LONG, "getter offset is correct");
a61af66fc99e Initial load duke parents: diff changeset	2294 } else {
a61af66fc99e Initial load duke parents: diff changeset	2295 assert(sig->count() == 1, "native getter has 1 argument");
a61af66fc99e Initial load duke parents: diff changeset	2296 assert(sig->type_at(0)->basic_type() == T_LONG, "getter base is long");
a61af66fc99e Initial load duke parents: diff changeset	2297 }
a61af66fc99e Initial load duke parents: diff changeset	2298 } else {
a61af66fc99e Initial load duke parents: diff changeset	2299 // void putObject(Object base, int/long offset, Object x), etc.
a61af66fc99e Initial load duke parents: diff changeset	2300 assert(sig->return_type()->basic_type() == T_VOID, "putter must not return a value");
a61af66fc99e Initial load duke parents: diff changeset	2301 if (!is_native_ptr) {
a61af66fc99e Initial load duke parents: diff changeset	2302 assert(sig->count() == 3, "oop putter has 3 arguments");
a61af66fc99e Initial load duke parents: diff changeset	2303 assert(sig->type_at(0)->basic_type() == T_OBJECT, "putter base is object");
a61af66fc99e Initial load duke parents: diff changeset	2304 assert(sig->type_at(1)->basic_type() == T_LONG, "putter offset is correct");
a61af66fc99e Initial load duke parents: diff changeset	2305 } else {
a61af66fc99e Initial load duke parents: diff changeset	2306 assert(sig->count() == 2, "native putter has 2 arguments");
a61af66fc99e Initial load duke parents: diff changeset	2307 assert(sig->type_at(0)->basic_type() == T_LONG, "putter base is long");
a61af66fc99e Initial load duke parents: diff changeset	2308 }
a61af66fc99e Initial load duke parents: diff changeset	2309 BasicType vtype = sig->type_at(sig->count()-1)->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	2310 if (vtype == T_ADDRESS_HOLDER && callee()->name() == ciSymbol::putAddress_name())
a61af66fc99e Initial load duke parents: diff changeset	2311 vtype = T_ADDRESS; // it is really a C void*
a61af66fc99e Initial load duke parents: diff changeset	2312 assert(vtype == type, "putter must accept the expected value");
a61af66fc99e Initial load duke parents: diff changeset	2313 }
a61af66fc99e Initial load duke parents: diff changeset	2314 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2315 }
a61af66fc99e Initial load duke parents: diff changeset	2316 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2317
a61af66fc99e Initial load duke parents: diff changeset	2318 C->set_has_unsafe_access(true); // Mark eventual nmethod as "unsafe".
a61af66fc99e Initial load duke parents: diff changeset	2319
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2320 Node* receiver = argument(0); // type: oop
0 a61af66fc99e Initial load duke parents: diff changeset	2321
a61af66fc99e Initial load duke parents: diff changeset	2322 // Build address expression. See the code in inline_unsafe_prefetch.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2323 Node* adr;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2324 Node* heap_base_oop = top();
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2325 Node* offset = top();
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2326 Node* val;
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2327
0 a61af66fc99e Initial load duke parents: diff changeset	2328 if (!is_native_ptr) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2329 // The base is either a Java object or a value produced by Unsafe.staticFieldBase
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2330 Node* base = argument(1); // type: oop
0 a61af66fc99e Initial load duke parents: diff changeset	2331 // The offset is a value produced by Unsafe.staticFieldOffset or Unsafe.objectFieldOffset
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2332 offset = argument(2); // type: long
0 a61af66fc99e Initial load duke parents: diff changeset	2333 // We currently rely on the cookies produced by Unsafe.xxxFieldOffset
a61af66fc99e Initial load duke parents: diff changeset	2334 // to be plain byte offsets, which are also the same as those accepted
a61af66fc99e Initial load duke parents: diff changeset	2335 // by oopDesc::field_base.
a61af66fc99e Initial load duke parents: diff changeset	2336 assert(Unsafe_field_offset_to_byte_offset(11) == 11,
a61af66fc99e Initial load duke parents: diff changeset	2337 "fieldOffset must be byte-scaled");
a61af66fc99e Initial load duke parents: diff changeset	2338 // 32-bit machines ignore the high half!
a61af66fc99e Initial load duke parents: diff changeset	2339 offset = ConvL2X(offset);
a61af66fc99e Initial load duke parents: diff changeset	2340 adr = make_unsafe_address(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2341 heap_base_oop = base;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2342 val = is_store ? argument(4) : NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2343 } else {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2344 Node* ptr = argument(1); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2345 ptr = ConvL2X(ptr); // adjust Java long to machine word
0 a61af66fc99e Initial load duke parents: diff changeset	2346 adr = make_unsafe_address(NULL, ptr);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2347 val = is_store ? argument(3) : NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	2348 }
a61af66fc99e Initial load duke parents: diff changeset	2349
a61af66fc99e Initial load duke parents: diff changeset	2350 const TypePtr *adr_type = _gvn.type(adr)->isa_ptr();
a61af66fc99e Initial load duke parents: diff changeset	2351
a61af66fc99e Initial load duke parents: diff changeset	2352 // First guess at the value type.
a61af66fc99e Initial load duke parents: diff changeset	2353 const Type *value_type = Type::get_const_basic_type(type);
a61af66fc99e Initial load duke parents: diff changeset	2354
a61af66fc99e Initial load duke parents: diff changeset	2355 // Try to categorize the address. If it comes up as TypeJavaPtr::BOTTOM,
a61af66fc99e Initial load duke parents: diff changeset	2356 // there was not enough information to nail it down.
a61af66fc99e Initial load duke parents: diff changeset	2357 Compile::AliasType* alias_type = C->alias_type(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	2358 assert(alias_type->index() != Compile::AliasIdxBot, "no bare pointers here");
a61af66fc99e Initial load duke parents: diff changeset	2359
a61af66fc99e Initial load duke parents: diff changeset	2360 // We will need memory barriers unless we can determine a unique
a61af66fc99e Initial load duke parents: diff changeset	2361 // alias category for this reference. (Note: If for some reason
a61af66fc99e Initial load duke parents: diff changeset	2362 // the barriers get omitted and the unsafe reference begins to "pollute"
a61af66fc99e Initial load duke parents: diff changeset	2363 // the alias analysis of the rest of the graph, either Compile::can_alias
a61af66fc99e Initial load duke parents: diff changeset	2364 // or Compile::must_alias will throw a diagnostic assert.)
a61af66fc99e Initial load duke parents: diff changeset	2365 bool need_mem_bar = (alias_type->adr_type() == TypeOopPtr::BOTTOM);
a61af66fc99e Initial load duke parents: diff changeset	2366
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2367 // If we are reading the value of the referent field of a Reference
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2368 // object (either by using Unsafe directly or through reflection)
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2369 // then, if G1 is enabled, we need to record the referent in an
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2370 // SATB log buffer using the pre-barrier mechanism.
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2371 // Also we need to add memory barrier to prevent commoning reads
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2372 // from this field across safepoint since GC can change its value.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	2373 bool need_read_barrier = !is_native_ptr && !is_store &&
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2374 offset != top() && heap_base_oop != top();
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2375
0 a61af66fc99e Initial load duke parents: diff changeset	2376 if (!is_store && type == T_OBJECT) {
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2377 const TypeOopPtr* tjp = sharpen_unsafe_type(alias_type, adr_type, is_native_ptr);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2378 if (tjp != NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	2379 value_type = tjp;
a61af66fc99e Initial load duke parents: diff changeset	2380 }
a61af66fc99e Initial load duke parents: diff changeset	2381 }
a61af66fc99e Initial load duke parents: diff changeset	2382
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2383 receiver = null_check(receiver);
0 a61af66fc99e Initial load duke parents: diff changeset	2384 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	2385 return true;
a61af66fc99e Initial load duke parents: diff changeset	2386 }
a61af66fc99e Initial load duke parents: diff changeset	2387 // Heap pointers get a null-check from the interpreter,
a61af66fc99e Initial load duke parents: diff changeset	2388 // as a courtesy. However, this is not guaranteed by Unsafe,
a61af66fc99e Initial load duke parents: diff changeset	2389 // and it is not possible to fully distinguish unintended nulls
a61af66fc99e Initial load duke parents: diff changeset	2390 // from intended ones in this API.
a61af66fc99e Initial load duke parents: diff changeset	2391
a61af66fc99e Initial load duke parents: diff changeset	2392 if (is_volatile) {
a61af66fc99e Initial load duke parents: diff changeset	2393 // We need to emit leading and trailing CPU membars (see below) in
a61af66fc99e Initial load duke parents: diff changeset	2394 // addition to memory membars when is_volatile. This is a little
a61af66fc99e Initial load duke parents: diff changeset	2395 // too strong, but avoids the need to insert per-alias-type
a61af66fc99e Initial load duke parents: diff changeset	2396 // volatile membars (for stores; compare Parse::do_put_xxx), which
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	2397 // we cannot do effectively here because we probably only have a
0 a61af66fc99e Initial load duke parents: diff changeset	2398 // rough approximation of type.
a61af66fc99e Initial load duke parents: diff changeset	2399 need_mem_bar = true;
a61af66fc99e Initial load duke parents: diff changeset	2400 // For Stores, place a memory ordering barrier now.
a61af66fc99e Initial load duke parents: diff changeset	2401 if (is_store)
a61af66fc99e Initial load duke parents: diff changeset	2402 insert_mem_bar(Op_MemBarRelease);
a61af66fc99e Initial load duke parents: diff changeset	2403 }
a61af66fc99e Initial load duke parents: diff changeset	2404
a61af66fc99e Initial load duke parents: diff changeset	2405 // Memory barrier to prevent normal and 'unsafe' accesses from
a61af66fc99e Initial load duke parents: diff changeset	2406 // bypassing each other. Happens after null checks, so the
a61af66fc99e Initial load duke parents: diff changeset	2407 // exception paths do not take memory state from the memory barrier,
a61af66fc99e Initial load duke parents: diff changeset	2408 // so there's no problems making a strong assert about mixing users
a61af66fc99e Initial load duke parents: diff changeset	2409 // of safe & unsafe memory. Otherwise fails in a CTW of rt.jar
a61af66fc99e Initial load duke parents: diff changeset	2410 // around 5701, class sun/reflect/UnsafeBooleanFieldAccessorImpl.
a61af66fc99e Initial load duke parents: diff changeset	2411 if (need_mem_bar) insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2412
a61af66fc99e Initial load duke parents: diff changeset	2413 if (!is_store) {
a61af66fc99e Initial load duke parents: diff changeset	2414 Node* p = make_load(control(), adr, value_type, type, adr_type, is_volatile);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2415 // load value
0 a61af66fc99e Initial load duke parents: diff changeset	2416 switch (type) {
a61af66fc99e Initial load duke parents: diff changeset	2417 case T_BOOLEAN:
a61af66fc99e Initial load duke parents: diff changeset	2418 case T_CHAR:
a61af66fc99e Initial load duke parents: diff changeset	2419 case T_BYTE:
a61af66fc99e Initial load duke parents: diff changeset	2420 case T_SHORT:
a61af66fc99e Initial load duke parents: diff changeset	2421 case T_INT:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2422 case T_LONG:
0 a61af66fc99e Initial load duke parents: diff changeset	2423 case T_FLOAT:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2424 case T_DOUBLE:
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2425 break;
0 a61af66fc99e Initial load duke parents: diff changeset	2426 case T_OBJECT:
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2427 if (need_read_barrier) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2428 insert_pre_barrier(heap_base_oop, offset, p, !(is_volatile \|\| need_mem_bar));
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2429 }
0 a61af66fc99e Initial load duke parents: diff changeset	2430 break;
a61af66fc99e Initial load duke parents: diff changeset	2431 case T_ADDRESS:
a61af66fc99e Initial load duke parents: diff changeset	2432 // Cast to an int type.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2433 p = _gvn.transform(new (C) CastP2XNode(NULL, p));
0 a61af66fc99e Initial load duke parents: diff changeset	2434 p = ConvX2L(p);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2435 break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2436 default:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2437 fatal(err_msg_res("unexpected type %d: %s", type, type2name(type)));
0 a61af66fc99e Initial load duke parents: diff changeset	2438 break;
a61af66fc99e Initial load duke parents: diff changeset	2439 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2440 // The load node has the control of the preceding MemBarCPUOrder. All
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2441 // following nodes will have the control of the MemBarCPUOrder inserted at
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2442 // the end of this method. So, pushing the load onto the stack at a later
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2443 // point is fine.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2444 set_result(p);
0 a61af66fc99e Initial load duke parents: diff changeset	2445 } else {
a61af66fc99e Initial load duke parents: diff changeset	2446 // place effect of store into memory
a61af66fc99e Initial load duke parents: diff changeset	2447 switch (type) {
a61af66fc99e Initial load duke parents: diff changeset	2448 case T_DOUBLE:
a61af66fc99e Initial load duke parents: diff changeset	2449 val = dstore_rounding(val);
a61af66fc99e Initial load duke parents: diff changeset	2450 break;
a61af66fc99e Initial load duke parents: diff changeset	2451 case T_ADDRESS:
a61af66fc99e Initial load duke parents: diff changeset	2452 // Repackage the long as a pointer.
a61af66fc99e Initial load duke parents: diff changeset	2453 val = ConvL2X(val);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2454 val = _gvn.transform( new (C) CastX2PNode(val) );
0 a61af66fc99e Initial load duke parents: diff changeset	2455 break;
a61af66fc99e Initial load duke parents: diff changeset	2456 }
a61af66fc99e Initial load duke parents: diff changeset	2457
a61af66fc99e Initial load duke parents: diff changeset	2458 if (type != T_OBJECT ) {
a61af66fc99e Initial load duke parents: diff changeset	2459 (void) store_to_memory(control(), adr, val, type, adr_type, is_volatile);
a61af66fc99e Initial load duke parents: diff changeset	2460 } else {
a61af66fc99e Initial load duke parents: diff changeset	2461 // Possibly an oop being stored to Java heap or native memory
a61af66fc99e Initial load duke parents: diff changeset	2462 if (!TypePtr::NULL_PTR->higher_equal(_gvn.type(heap_base_oop))) {
a61af66fc99e Initial load duke parents: diff changeset	2463 // oop to Java heap.
825 8f5825e0aeaa 6818666: G1: Type lost in g1 pre-barrier never parents: 787 diff changeset	2464 (void) store_oop_to_unknown(control(), heap_base_oop, adr, adr_type, val, type);
0 a61af66fc99e Initial load duke parents: diff changeset	2465 } else {
a61af66fc99e Initial load duke parents: diff changeset	2466 // We can't tell at compile time if we are storing in the Java heap or outside
a61af66fc99e Initial load duke parents: diff changeset	2467 // of it. So we need to emit code to conditionally do the proper type of
a61af66fc99e Initial load duke parents: diff changeset	2468 // store.
a61af66fc99e Initial load duke parents: diff changeset	2469
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	2470 IdealKit ideal(this);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2471 #define __ ideal.
0 a61af66fc99e Initial load duke parents: diff changeset	2472 // QQQ who knows what probability is here??
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2473 __ if_then(heap_base_oop, BoolTest::ne, null(), PROB_UNLIKELY(0.999)); {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2474 // Sync IdealKit and graphKit.
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	2475 sync_kit(ideal);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2476 Node* st = store_oop_to_unknown(control(), heap_base_oop, adr, adr_type, val, type);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2477 // Update IdealKit memory.
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	2478 __ sync_kit(this);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2479 } __ else_(); {
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2480 __ store(__ ctrl(), adr, val, type, alias_type->index(), is_volatile);
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2481 } __ end_if();
fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2482 // Final sync IdealKit and GraphKit.
2444 07acc51c1d2a 7032314: Allow to generate CallLeafNoFPNode in IdealKit kvn parents: 2405 diff changeset	2483 final_sync(ideal);
851 fc4be448891f 6851742: (EA) allocation elimination doesn't work with UseG1GC kvn parents: 836 diff changeset	2484 #undef __
0 a61af66fc99e Initial load duke parents: diff changeset	2485 }
a61af66fc99e Initial load duke parents: diff changeset	2486 }
a61af66fc99e Initial load duke parents: diff changeset	2487 }
a61af66fc99e Initial load duke parents: diff changeset	2488
a61af66fc99e Initial load duke parents: diff changeset	2489 if (is_volatile) {
a61af66fc99e Initial load duke parents: diff changeset	2490 if (!is_store)
a61af66fc99e Initial load duke parents: diff changeset	2491 insert_mem_bar(Op_MemBarAcquire);
a61af66fc99e Initial load duke parents: diff changeset	2492 else
a61af66fc99e Initial load duke parents: diff changeset	2493 insert_mem_bar(Op_MemBarVolatile);
a61af66fc99e Initial load duke parents: diff changeset	2494 }
a61af66fc99e Initial load duke parents: diff changeset	2495
a61af66fc99e Initial load duke parents: diff changeset	2496 if (need_mem_bar) insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2497
a61af66fc99e Initial load duke parents: diff changeset	2498 return true;
a61af66fc99e Initial load duke parents: diff changeset	2499 }
a61af66fc99e Initial load duke parents: diff changeset	2500
a61af66fc99e Initial load duke parents: diff changeset	2501 //----------------------------inline_unsafe_prefetch----------------------------
a61af66fc99e Initial load duke parents: diff changeset	2502
a61af66fc99e Initial load duke parents: diff changeset	2503 bool LibraryCallKit::inline_unsafe_prefetch(bool is_native_ptr, bool is_store, bool is_static) {
a61af66fc99e Initial load duke parents: diff changeset	2504 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2505 {
a61af66fc99e Initial load duke parents: diff changeset	2506 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2507 // Check the signatures.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2508 ciSignature* sig = callee()->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	2509 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2510 // Object getObject(Object base, int/long offset), etc.
a61af66fc99e Initial load duke parents: diff changeset	2511 BasicType rtype = sig->return_type()->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	2512 if (!is_native_ptr) {
a61af66fc99e Initial load duke parents: diff changeset	2513 assert(sig->count() == 2, "oop prefetch has 2 arguments");
a61af66fc99e Initial load duke parents: diff changeset	2514 assert(sig->type_at(0)->basic_type() == T_OBJECT, "prefetch base is object");
a61af66fc99e Initial load duke parents: diff changeset	2515 assert(sig->type_at(1)->basic_type() == T_LONG, "prefetcha offset is correct");
a61af66fc99e Initial load duke parents: diff changeset	2516 } else {
a61af66fc99e Initial load duke parents: diff changeset	2517 assert(sig->count() == 1, "native prefetch has 1 argument");
a61af66fc99e Initial load duke parents: diff changeset	2518 assert(sig->type_at(0)->basic_type() == T_LONG, "prefetch base is long");
a61af66fc99e Initial load duke parents: diff changeset	2519 }
a61af66fc99e Initial load duke parents: diff changeset	2520 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2521 }
a61af66fc99e Initial load duke parents: diff changeset	2522 #endif // !PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2523
a61af66fc99e Initial load duke parents: diff changeset	2524 C->set_has_unsafe_access(true); // Mark eventual nmethod as "unsafe".
a61af66fc99e Initial load duke parents: diff changeset	2525
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2526 const int idx = is_static ? 0 : 1;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2527 if (!is_static) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2528 null_check_receiver();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2529 if (stopped()) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2530 return true;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2531 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2532 }
0 a61af66fc99e Initial load duke parents: diff changeset	2533
a61af66fc99e Initial load duke parents: diff changeset	2534 // Build address expression. See the code in inline_unsafe_access.
a61af66fc99e Initial load duke parents: diff changeset	2535 Node *adr;
a61af66fc99e Initial load duke parents: diff changeset	2536 if (!is_native_ptr) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2537 // The base is either a Java object or a value produced by Unsafe.staticFieldBase
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2538 Node* base = argument(idx + 0); // type: oop
0 a61af66fc99e Initial load duke parents: diff changeset	2539 // The offset is a value produced by Unsafe.staticFieldOffset or Unsafe.objectFieldOffset
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2540 Node* offset = argument(idx + 1); // type: long
0 a61af66fc99e Initial load duke parents: diff changeset	2541 // We currently rely on the cookies produced by Unsafe.xxxFieldOffset
a61af66fc99e Initial load duke parents: diff changeset	2542 // to be plain byte offsets, which are also the same as those accepted
a61af66fc99e Initial load duke parents: diff changeset	2543 // by oopDesc::field_base.
a61af66fc99e Initial load duke parents: diff changeset	2544 assert(Unsafe_field_offset_to_byte_offset(11) == 11,
a61af66fc99e Initial load duke parents: diff changeset	2545 "fieldOffset must be byte-scaled");
a61af66fc99e Initial load duke parents: diff changeset	2546 // 32-bit machines ignore the high half!
a61af66fc99e Initial load duke parents: diff changeset	2547 offset = ConvL2X(offset);
a61af66fc99e Initial load duke parents: diff changeset	2548 adr = make_unsafe_address(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2549 } else {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2550 Node* ptr = argument(idx + 0); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2551 ptr = ConvL2X(ptr); // adjust Java long to machine word
0 a61af66fc99e Initial load duke parents: diff changeset	2552 adr = make_unsafe_address(NULL, ptr);
a61af66fc99e Initial load duke parents: diff changeset	2553 }
a61af66fc99e Initial load duke parents: diff changeset	2554
a61af66fc99e Initial load duke parents: diff changeset	2555 // Generate the read or write prefetch
a61af66fc99e Initial load duke parents: diff changeset	2556 Node *prefetch;
a61af66fc99e Initial load duke parents: diff changeset	2557 if (is_store) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2558 prefetch = new (C) PrefetchWriteNode(i_o(), adr);
0 a61af66fc99e Initial load duke parents: diff changeset	2559 } else {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2560 prefetch = new (C) PrefetchReadNode(i_o(), adr);
0 a61af66fc99e Initial load duke parents: diff changeset	2561 }
a61af66fc99e Initial load duke parents: diff changeset	2562 prefetch->init_req(0, control());
a61af66fc99e Initial load duke parents: diff changeset	2563 set_i_o(_gvn.transform(prefetch));
a61af66fc99e Initial load duke parents: diff changeset	2564
a61af66fc99e Initial load duke parents: diff changeset	2565 return true;
a61af66fc99e Initial load duke parents: diff changeset	2566 }
a61af66fc99e Initial load duke parents: diff changeset	2567
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2568 //----------------------------inline_unsafe_load_store----------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2569 // This method serves a couple of different customers (depending on LoadStoreKind):
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2570 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2571 // LS_cmpxchg:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2572 // public final native boolean compareAndSwapObject(Object o, long offset, Object expected, Object x);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2573 // public final native boolean compareAndSwapInt( Object o, long offset, int expected, int x);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2574 // public final native boolean compareAndSwapLong( Object o, long offset, long expected, long x);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2575 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2576 // LS_xadd:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2577 // public int getAndAddInt( Object o, long offset, int delta)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2578 // public long getAndAddLong(Object o, long offset, long delta)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2579 //
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2580 // LS_xchg:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2581 // int getAndSet(Object o, long offset, int newValue)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2582 // long getAndSet(Object o, long offset, long newValue)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2583 // Object getAndSet(Object o, long offset, Object newValue)
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2584 //
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2585 bool LibraryCallKit::inline_unsafe_load_store(BasicType type, LoadStoreKind kind) {
0 a61af66fc99e Initial load duke parents: diff changeset	2586 // This basic scheme here is the same as inline_unsafe_access, but
a61af66fc99e Initial load duke parents: diff changeset	2587 // differs in enough details that combining them would make the code
a61af66fc99e Initial load duke parents: diff changeset	2588 // overly confusing. (This is a true fact! I originally combined
a61af66fc99e Initial load duke parents: diff changeset	2589 // them, but even I was confused by it!) As much code/comments as
a61af66fc99e Initial load duke parents: diff changeset	2590 // possible are retained from inline_unsafe_access though to make
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	2591 // the correspondences clearer. - dl
0 a61af66fc99e Initial load duke parents: diff changeset	2592
a61af66fc99e Initial load duke parents: diff changeset	2593 if (callee()->is_static()) return false; // caller must have the capability!
a61af66fc99e Initial load duke parents: diff changeset	2594
a61af66fc99e Initial load duke parents: diff changeset	2595 #ifndef PRODUCT
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2596 BasicType rtype;
0 a61af66fc99e Initial load duke parents: diff changeset	2597 {
a61af66fc99e Initial load duke parents: diff changeset	2598 ResourceMark rm;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2599 // Check the signatures.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2600 ciSignature* sig = callee()->signature();
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2601 rtype = sig->return_type()->basic_type();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2602 if (kind == LS_xadd \|\| kind == LS_xchg) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2603 // Check the signatures.
0 a61af66fc99e Initial load duke parents: diff changeset	2604 #ifdef ASSERT
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2605 assert(rtype == type, "get and set must return the expected type");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2606 assert(sig->count() == 3, "get and set has 3 arguments");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2607 assert(sig->type_at(0)->basic_type() == T_OBJECT, "get and set base is object");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2608 assert(sig->type_at(1)->basic_type() == T_LONG, "get and set offset is long");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2609 assert(sig->type_at(2)->basic_type() == type, "get and set must take expected type as new value/delta");
0 a61af66fc99e Initial load duke parents: diff changeset	2610 #endif // ASSERT
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2611 } else if (kind == LS_cmpxchg) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2612 // Check the signatures.
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2613 #ifdef ASSERT
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2614 assert(rtype == T_BOOLEAN, "CAS must return boolean");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2615 assert(sig->count() == 4, "CAS has 4 arguments");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2616 assert(sig->type_at(0)->basic_type() == T_OBJECT, "CAS base is object");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2617 assert(sig->type_at(1)->basic_type() == T_LONG, "CAS offset is long");
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2618 #endif // ASSERT
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2619 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2620 ShouldNotReachHere();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2621 }
0 a61af66fc99e Initial load duke parents: diff changeset	2622 }
a61af66fc99e Initial load duke parents: diff changeset	2623 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2624
a61af66fc99e Initial load duke parents: diff changeset	2625 C->set_has_unsafe_access(true); // Mark eventual nmethod as "unsafe".
a61af66fc99e Initial load duke parents: diff changeset	2626
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2627 // Get arguments:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2628 Node* receiver = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2629 Node* base = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2630 Node* offset = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2631 Node* oldval = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2632 Node* newval = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2633 if (kind == LS_cmpxchg) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2634 const bool two_slot_type = type2size[type] == 2;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2635 receiver = argument(0); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2636 base = argument(1); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2637 offset = argument(2); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2638 oldval = argument(4); // type: oop, int, or long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2639 newval = argument(two_slot_type ? 6 : 5); // type: oop, int, or long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2640 } else if (kind == LS_xadd \|\| kind == LS_xchg){
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2641 receiver = argument(0); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2642 base = argument(1); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2643 offset = argument(2); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2644 oldval = NULL;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2645 newval = argument(4); // type: oop, int, or long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2646 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2647
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2648 // Null check receiver.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2649 receiver = null_check(receiver);
0 a61af66fc99e Initial load duke parents: diff changeset	2650 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	2651 return true;
a61af66fc99e Initial load duke parents: diff changeset	2652 }
a61af66fc99e Initial load duke parents: diff changeset	2653
a61af66fc99e Initial load duke parents: diff changeset	2654 // Build field offset expression.
a61af66fc99e Initial load duke parents: diff changeset	2655 // We currently rely on the cookies produced by Unsafe.xxxFieldOffset
a61af66fc99e Initial load duke parents: diff changeset	2656 // to be plain byte offsets, which are also the same as those accepted
a61af66fc99e Initial load duke parents: diff changeset	2657 // by oopDesc::field_base.
a61af66fc99e Initial load duke parents: diff changeset	2658 assert(Unsafe_field_offset_to_byte_offset(11) == 11, "fieldOffset must be byte-scaled");
a61af66fc99e Initial load duke parents: diff changeset	2659 // 32-bit machines ignore the high half of long offsets
a61af66fc99e Initial load duke parents: diff changeset	2660 offset = ConvL2X(offset);
a61af66fc99e Initial load duke parents: diff changeset	2661 Node* adr = make_unsafe_address(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2662 const TypePtr *adr_type = _gvn.type(adr)->isa_ptr();
a61af66fc99e Initial load duke parents: diff changeset	2663
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2664 // For CAS, unlike inline_unsafe_access, there seems no point in
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2665 // trying to refine types. Just use the coarse types here.
0 a61af66fc99e Initial load duke parents: diff changeset	2666 const Type *value_type = Type::get_const_basic_type(type);
a61af66fc99e Initial load duke parents: diff changeset	2667 Compile::AliasType* alias_type = C->alias_type(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	2668 assert(alias_type->index() != Compile::AliasIdxBot, "no bare pointers here");
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2669
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2670 if (kind == LS_xchg && type == T_OBJECT) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2671 const TypeOopPtr* tjp = sharpen_unsafe_type(alias_type, adr_type);
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2672 if (tjp != NULL) {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2673 value_type = tjp;
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2674 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2675 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2676
0 a61af66fc99e Initial load duke parents: diff changeset	2677 int alias_idx = C->get_alias_index(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	2678
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2679 // Memory-model-wise, a LoadStore acts like a little synchronized
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2680 // block, so needs barriers on each side. These don't translate
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2681 // into actual barriers on most machines, but we still need rest of
0 a61af66fc99e Initial load duke parents: diff changeset	2682 // compiler to respect ordering.
a61af66fc99e Initial load duke parents: diff changeset	2683
a61af66fc99e Initial load duke parents: diff changeset	2684 insert_mem_bar(Op_MemBarRelease);
a61af66fc99e Initial load duke parents: diff changeset	2685 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2686
a61af66fc99e Initial load duke parents: diff changeset	2687 // 4984716: MemBars must be inserted before this
a61af66fc99e Initial load duke parents: diff changeset	2688 // memory node in order to avoid a false
a61af66fc99e Initial load duke parents: diff changeset	2689 // dependency which will confuse the scheduler.
a61af66fc99e Initial load duke parents: diff changeset	2690 Node *mem = memory(alias_idx);
a61af66fc99e Initial load duke parents: diff changeset	2691
a61af66fc99e Initial load duke parents: diff changeset	2692 // For now, we handle only those cases that actually exist: ints,
a61af66fc99e Initial load duke parents: diff changeset	2693 // longs, and Object. Adding others should be straightforward.
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2694 Node* load_store;
0 a61af66fc99e Initial load duke parents: diff changeset	2695 switch(type) {
a61af66fc99e Initial load duke parents: diff changeset	2696 case T_INT:
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2697 if (kind == LS_xadd) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2698 load_store = _gvn.transform(new (C) GetAndAddINode(control(), mem, adr, newval, adr_type));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2699 } else if (kind == LS_xchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2700 load_store = _gvn.transform(new (C) GetAndSetINode(control(), mem, adr, newval, adr_type));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2701 } else if (kind == LS_cmpxchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2702 load_store = _gvn.transform(new (C) CompareAndSwapINode(control(), mem, adr, newval, oldval));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2703 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2704 ShouldNotReachHere();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2705 }
0 a61af66fc99e Initial load duke parents: diff changeset	2706 break;
a61af66fc99e Initial load duke parents: diff changeset	2707 case T_LONG:
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2708 if (kind == LS_xadd) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2709 load_store = _gvn.transform(new (C) GetAndAddLNode(control(), mem, adr, newval, adr_type));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2710 } else if (kind == LS_xchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2711 load_store = _gvn.transform(new (C) GetAndSetLNode(control(), mem, adr, newval, adr_type));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2712 } else if (kind == LS_cmpxchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2713 load_store = _gvn.transform(new (C) CompareAndSwapLNode(control(), mem, adr, newval, oldval));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2714 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2715 ShouldNotReachHere();
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2716 }
0 a61af66fc99e Initial load duke parents: diff changeset	2717 break;
a61af66fc99e Initial load duke parents: diff changeset	2718 case T_OBJECT:
4894 b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2719 // Transformation of a value which could be NULL pointer (CastPP #NULL)
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2720 // could be delayed during Parse (for example, in adjust_map_after_if()).
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2721 // Execute transformation here to avoid barrier generation in such case.
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2722 if (_gvn.type(newval) == TypePtr::NULL_PTR)
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2723 newval = _gvn.makecon(TypePtr::NULL_PTR);
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2724
b9bc6cae88f2 7143491: G1 C2 CTW: assert(p2x->outcnt() == 2) failed: expects 2 users: Xor and URShift nodes kvn parents: 4778 diff changeset	2725 // Reference stores need a store barrier.
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2726 pre_barrier(true /* do_load*/,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2727 control(), base, adr, alias_idx, newval, value_type->make_oopptr(),
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2728 NULL /* pre_val*/,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	2729 T_OBJECT);
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	2730 #ifdef _LP64
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 113 diff changeset	2731 if (adr->bottom_type()->is_ptr_to_narrowoop()) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2732 Node *newval_enc = _gvn.transform(new (C) EncodePNode(newval, newval->bottom_type()->make_narrowoop()));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2733 if (kind == LS_xchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2734 load_store = _gvn.transform(new (C) GetAndSetNNode(control(), mem, adr,
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2735 newval_enc, adr_type, value_type->make_narrowoop()));
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2736 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2737 assert(kind == LS_cmpxchg, "wrong LoadStore operation");
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2738 Node *oldval_enc = _gvn.transform(new (C) EncodePNode(oldval, oldval->bottom_type()->make_narrowoop()));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2739 load_store = _gvn.transform(new (C) CompareAndSwapNNode(control(), mem, adr,
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2740 newval_enc, oldval_enc));
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2741 }
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	2742 } else
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	2743 #endif
221 1e026f8da827 6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode kvn parents: 174 diff changeset	2744 {
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2745 if (kind == LS_xchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2746 load_store = _gvn.transform(new (C) GetAndSetPNode(control(), mem, adr, newval, adr_type, value_type->is_oopptr()));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2747 } else {
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2748 assert(kind == LS_cmpxchg, "wrong LoadStore operation");
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2749 load_store = _gvn.transform(new (C) CompareAndSwapPNode(control(), mem, adr, newval, oldval));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2750 }
221 1e026f8da827 6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode kvn parents: 174 diff changeset	2751 }
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2752 post_barrier(control(), load_store, base, adr, alias_idx, newval, T_OBJECT, true);
0 a61af66fc99e Initial load duke parents: diff changeset	2753 break;
a61af66fc99e Initial load duke parents: diff changeset	2754 default:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2755 fatal(err_msg_res("unexpected type %d: %s", type, type2name(type)));
0 a61af66fc99e Initial load duke parents: diff changeset	2756 break;
a61af66fc99e Initial load duke parents: diff changeset	2757 }
a61af66fc99e Initial load duke parents: diff changeset	2758
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2759 // SCMemProjNodes represent the memory state of a LoadStore. Their
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2760 // main role is to prevent LoadStore nodes from being optimized away
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2761 // when their results aren't used.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2762 Node* proj = _gvn.transform( new (C) SCMemProjNode(load_store));
0 a61af66fc99e Initial load duke parents: diff changeset	2763 set_memory(proj, alias_idx);
a61af66fc99e Initial load duke parents: diff changeset	2764
a61af66fc99e Initial load duke parents: diff changeset	2765 // Add the trailing membar surrounding the access
a61af66fc99e Initial load duke parents: diff changeset	2766 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2767 insert_mem_bar(Op_MemBarAcquire);
a61af66fc99e Initial load duke parents: diff changeset	2768
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2769 #ifdef _LP64
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2770 if (type == T_OBJECT && adr->bottom_type()->is_ptr_to_narrowoop() && kind == LS_xchg) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2771 load_store = _gvn.transform(new (C) DecodeNNode(load_store, load_store->bottom_type()->make_ptr()));
6795 7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2772 }
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2773 #endif
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2774
7eca5de9e0b6 7023898: Intrinsify AtomicLongFieldUpdater.getAndIncrement() roland parents: 6725 diff changeset	2775 assert(type2size[load_store->bottom_type()->basic_type()] == type2size[rtype], "result type should match");
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2776 set_result(load_store);
0 a61af66fc99e Initial load duke parents: diff changeset	2777 return true;
a61af66fc99e Initial load duke parents: diff changeset	2778 }
a61af66fc99e Initial load duke parents: diff changeset	2779
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2780 //----------------------------inline_unsafe_ordered_store----------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2781 // public native void sun.misc.Unsafe.putOrderedObject(Object o, long offset, Object x);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2782 // public native void sun.misc.Unsafe.putOrderedInt(Object o, long offset, int x);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2783 // public native void sun.misc.Unsafe.putOrderedLong(Object o, long offset, long x);
0 a61af66fc99e Initial load duke parents: diff changeset	2784 bool LibraryCallKit::inline_unsafe_ordered_store(BasicType type) {
a61af66fc99e Initial load duke parents: diff changeset	2785 // This is another variant of inline_unsafe_access, differing in
a61af66fc99e Initial load duke parents: diff changeset	2786 // that it always issues store-store ("release") barrier and ensures
a61af66fc99e Initial load duke parents: diff changeset	2787 // store-atomicity (which only matters for "long").
a61af66fc99e Initial load duke parents: diff changeset	2788
a61af66fc99e Initial load duke parents: diff changeset	2789 if (callee()->is_static()) return false; // caller must have the capability!
a61af66fc99e Initial load duke parents: diff changeset	2790
a61af66fc99e Initial load duke parents: diff changeset	2791 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2792 {
a61af66fc99e Initial load duke parents: diff changeset	2793 ResourceMark rm;
a61af66fc99e Initial load duke parents: diff changeset	2794 // Check the signatures.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2795 ciSignature* sig = callee()->signature();
0 a61af66fc99e Initial load duke parents: diff changeset	2796 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2797 BasicType rtype = sig->return_type()->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	2798 assert(rtype == T_VOID, "must return void");
a61af66fc99e Initial load duke parents: diff changeset	2799 assert(sig->count() == 3, "has 3 arguments");
a61af66fc99e Initial load duke parents: diff changeset	2800 assert(sig->type_at(0)->basic_type() == T_OBJECT, "base is object");
a61af66fc99e Initial load duke parents: diff changeset	2801 assert(sig->type_at(1)->basic_type() == T_LONG, "offset is long");
a61af66fc99e Initial load duke parents: diff changeset	2802 #endif // ASSERT
a61af66fc99e Initial load duke parents: diff changeset	2803 }
a61af66fc99e Initial load duke parents: diff changeset	2804 #endif //PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	2805
a61af66fc99e Initial load duke parents: diff changeset	2806 C->set_has_unsafe_access(true); // Mark eventual nmethod as "unsafe".
a61af66fc99e Initial load duke parents: diff changeset	2807
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2808 // Get arguments:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2809 Node* receiver = argument(0); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2810 Node* base = argument(1); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2811 Node* offset = argument(2); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2812 Node* val = argument(4); // type: oop, int, or long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2813
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2814 // Null check receiver.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2815 receiver = null_check(receiver);
0 a61af66fc99e Initial load duke parents: diff changeset	2816 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	2817 return true;
a61af66fc99e Initial load duke parents: diff changeset	2818 }
a61af66fc99e Initial load duke parents: diff changeset	2819
a61af66fc99e Initial load duke parents: diff changeset	2820 // Build field offset expression.
a61af66fc99e Initial load duke parents: diff changeset	2821 assert(Unsafe_field_offset_to_byte_offset(11) == 11, "fieldOffset must be byte-scaled");
a61af66fc99e Initial load duke parents: diff changeset	2822 // 32-bit machines ignore the high half of long offsets
a61af66fc99e Initial load duke parents: diff changeset	2823 offset = ConvL2X(offset);
a61af66fc99e Initial load duke parents: diff changeset	2824 Node* adr = make_unsafe_address(base, offset);
a61af66fc99e Initial load duke parents: diff changeset	2825 const TypePtr *adr_type = _gvn.type(adr)->isa_ptr();
a61af66fc99e Initial load duke parents: diff changeset	2826 const Type *value_type = Type::get_const_basic_type(type);
a61af66fc99e Initial load duke parents: diff changeset	2827 Compile::AliasType* alias_type = C->alias_type(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	2828
a61af66fc99e Initial load duke parents: diff changeset	2829 insert_mem_bar(Op_MemBarRelease);
a61af66fc99e Initial load duke parents: diff changeset	2830 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2831 // Ensure that the store is atomic for longs:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2832 const bool require_atomic_access = true;
0 a61af66fc99e Initial load duke parents: diff changeset	2833 Node* store;
a61af66fc99e Initial load duke parents: diff changeset	2834 if (type == T_OBJECT) // reference stores need a store barrier.
825 8f5825e0aeaa 6818666: G1: Type lost in g1 pre-barrier never parents: 787 diff changeset	2835 store = store_oop_to_unknown(control(), base, adr, adr_type, val, type);
0 a61af66fc99e Initial load duke parents: diff changeset	2836 else {
a61af66fc99e Initial load duke parents: diff changeset	2837 store = store_to_memory(control(), adr, val, type, adr_type, require_atomic_access);
a61af66fc99e Initial load duke parents: diff changeset	2838 }
a61af66fc99e Initial load duke parents: diff changeset	2839 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	2840 return true;
a61af66fc99e Initial load duke parents: diff changeset	2841 }
a61af66fc99e Initial load duke parents: diff changeset	2842
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2843 //----------------------------inline_unsafe_allocate---------------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2844 // public native Object sun.mics.Unsafe.allocateInstance(Class<?> cls);
0 a61af66fc99e Initial load duke parents: diff changeset	2845 bool LibraryCallKit::inline_unsafe_allocate() {
a61af66fc99e Initial load duke parents: diff changeset	2846 if (callee()->is_static()) return false; // caller must have the capability!
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2847
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2848 null_check_receiver(); // null-check, then ignore
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2849 Node* cls = null_check(argument(1));
0 a61af66fc99e Initial load duke parents: diff changeset	2850 if (stopped()) return true;
a61af66fc99e Initial load duke parents: diff changeset	2851
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2852 Node* kls = load_klass_from_mirror(cls, false, NULL, 0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2853 kls = null_check(kls);
0 a61af66fc99e Initial load duke parents: diff changeset	2854 if (stopped()) return true; // argument was like int.class
a61af66fc99e Initial load duke parents: diff changeset	2855
a61af66fc99e Initial load duke parents: diff changeset	2856 // Note: The argument might still be an illegal value like
a61af66fc99e Initial load duke parents: diff changeset	2857 // Serializable.class or Object[].class. The runtime will handle it.
a61af66fc99e Initial load duke parents: diff changeset	2858 // But we must make an explicit check for initialization.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	2859 Node* insp = basic_plus_adr(kls, in_bytes(InstanceKlass::init_state_offset()));
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	2860 // Use T_BOOLEAN for InstanceKlass::_init_state so the compiler
4739 52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 3961 diff changeset	2861 // can generate code to load it as unsigned byte.
52b5d32fbfaf 7117052: instanceKlass::_init_state can be u1 type coleenp parents: 3961 diff changeset	2862 Node* inst = make_load(NULL, insp, TypeInt::UBYTE, T_BOOLEAN);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	2863 Node* bits = intcon(InstanceKlass::fully_initialized);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2864 Node* test = _gvn.transform(new (C) SubINode(inst, bits));
0 a61af66fc99e Initial load duke parents: diff changeset	2865 // The 'test' is non-zero if we need to take a slow path.
a61af66fc99e Initial load duke parents: diff changeset	2866
a61af66fc99e Initial load duke parents: diff changeset	2867 Node* obj = new_instance(kls, test);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2868 set_result(obj);
0 a61af66fc99e Initial load duke parents: diff changeset	2869 return true;
a61af66fc99e Initial load duke parents: diff changeset	2870 }
a61af66fc99e Initial load duke parents: diff changeset	2871
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2872 #ifdef TRACE_HAVE_INTRINSICS
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2873 /*
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2874 * oop -> myklass
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2875 * myklass->trace_id \|= USED
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2876 * return myklass->trace_id & ~0x3
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2877 */
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2878 bool LibraryCallKit::inline_native_classID() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2879 null_check_receiver(); // null-check, then ignore
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2880 Node* cls = null_check(argument(1), T_OBJECT);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2881 Node* kls = load_klass_from_mirror(cls, false, NULL, 0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2882 kls = null_check(kls, T_OBJECT);
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2883 ByteSize offset = TRACE_ID_OFFSET;
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2884 Node* insp = basic_plus_adr(kls, in_bytes(offset));
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2885 Node* tvalue = make_load(NULL, insp, TypeLong::LONG, T_LONG);
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2886 Node* bits = longcon(~0x03l); // ignore bit 0 & 1
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2887 Node* andl = _gvn.transform(new (C) AndLNode(tvalue, bits));
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2888 Node* clsused = longcon(0x01l); // set the class bit
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2889 Node* orl = _gvn.transform(new (C) OrLNode(tvalue, clsused));
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2890
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2891 const TypePtr *adr_type = _gvn.type(insp)->isa_ptr();
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2892 store_to_memory(control(), insp, orl, T_LONG, adr_type);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2893 set_result(andl);
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2894 return true;
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2895 }
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2896
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2897 bool LibraryCallKit::inline_native_threadID() {
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2898 Node* tls_ptr = NULL;
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2899 Node* cur_thr = generate_current_thread(tls_ptr);
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2900 Node* p = basic_plus_adr(top()/!oop/, tls_ptr, in_bytes(JavaThread::osthread_offset()));
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2901 Node* osthread = make_load(NULL, p, TypeRawPtr::NOTNULL, T_ADDRESS);
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2902 p = basic_plus_adr(top()/!oop/, osthread, in_bytes(OSThread::thread_id_offset()));
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2903
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2904 Node* threadid = NULL;
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2905 size_t thread_id_size = OSThread::thread_id_size();
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2906 if (thread_id_size == (size_t) BytesPerLong) {
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2907 threadid = ConvL2I(make_load(control(), p, TypeLong::LONG, T_LONG));
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2908 } else if (thread_id_size == (size_t) BytesPerInt) {
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2909 threadid = make_load(control(), p, TypeInt::INT, T_INT);
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2910 } else {
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2911 ShouldNotReachHere();
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2912 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2913 set_result(threadid);
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2914 return true;
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2915 }
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2916 #endif
0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2917
0 a61af66fc99e Initial load duke parents: diff changeset	2918 //------------------------inline_native_time_funcs--------------
a61af66fc99e Initial load duke parents: diff changeset	2919 // inline code for System.currentTimeMillis() and System.nanoTime()
a61af66fc99e Initial load duke parents: diff changeset	2920 // these have the same type and signature
6006 0105f367a14c 7160570: Intrinsification support for tracing framework rbackman parents: 5934 diff changeset	2921 bool LibraryCallKit::inline_native_time_funcs(address funcAddr, const char* funcName) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2922 const TypeFunc* tf = OptoRuntime::void_long_Type();
0 a61af66fc99e Initial load duke parents: diff changeset	2923 const TypePtr* no_memory_effects = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2924 Node* time = make_runtime_call(RC_LEAF, tf, funcAddr, funcName, no_memory_effects);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2925 Node* value = _gvn.transform(new (C) ProjNode(time, TypeFunc::Parms+0));
0 a61af66fc99e Initial load duke parents: diff changeset	2926 #ifdef ASSERT
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2927 Node* value_top = _gvn.transform(new (C) ProjNode(time, TypeFunc::Parms+1));
0 a61af66fc99e Initial load duke parents: diff changeset	2928 assert(value_top == top(), "second value must be top");
a61af66fc99e Initial load duke parents: diff changeset	2929 #endif
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2930 set_result(value);
0 a61af66fc99e Initial load duke parents: diff changeset	2931 return true;
a61af66fc99e Initial load duke parents: diff changeset	2932 }
a61af66fc99e Initial load duke parents: diff changeset	2933
a61af66fc99e Initial load duke parents: diff changeset	2934 //------------------------inline_native_currentThread------------------
a61af66fc99e Initial load duke parents: diff changeset	2935 bool LibraryCallKit::inline_native_currentThread() {
a61af66fc99e Initial load duke parents: diff changeset	2936 Node* junk = NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2937 set_result(generate_current_thread(junk));
0 a61af66fc99e Initial load duke parents: diff changeset	2938 return true;
a61af66fc99e Initial load duke parents: diff changeset	2939 }
a61af66fc99e Initial load duke parents: diff changeset	2940
a61af66fc99e Initial load duke parents: diff changeset	2941 //------------------------inline_native_isInterrupted------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	2942 // private native boolean java.lang.Thread.isInterrupted(boolean ClearInterrupted);
0 a61af66fc99e Initial load duke parents: diff changeset	2943 bool LibraryCallKit::inline_native_isInterrupted() {
a61af66fc99e Initial load duke parents: diff changeset	2944 // Add a fast path to t.isInterrupted(clear_int):
a61af66fc99e Initial load duke parents: diff changeset	2945 // (t == Thread.current() && (!TLS._osthread._interrupted \|\| !clear_int))
a61af66fc99e Initial load duke parents: diff changeset	2946 // ? TLS._osthread._interrupted : /slow path:/ t.isInterrupted(clear_int)
a61af66fc99e Initial load duke parents: diff changeset	2947 // So, in the common case that the interrupt bit is false,
a61af66fc99e Initial load duke parents: diff changeset	2948 // we avoid making a call into the VM. Even if the interrupt bit
a61af66fc99e Initial load duke parents: diff changeset	2949 // is true, if the clear_int argument is false, we avoid the VM call.
a61af66fc99e Initial load duke parents: diff changeset	2950 // However, if the receiver is not currentThread, we must call the VM,
a61af66fc99e Initial load duke parents: diff changeset	2951 // because there must be some locking done around the operation.
a61af66fc99e Initial load duke parents: diff changeset	2952
a61af66fc99e Initial load duke parents: diff changeset	2953 // We only go to the fast case code if we pass two guards.
a61af66fc99e Initial load duke parents: diff changeset	2954 // Paths which do not pass are accumulated in the slow_region.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2955 RegionNode* slow_region = new (C) RegionNode(1);
0 a61af66fc99e Initial load duke parents: diff changeset	2956 record_for_igvn(slow_region);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2957 RegionNode* result_rgn = new (C) RegionNode(1+3); // fast1, fast2, slow
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2958 PhiNode* result_val = new (C) PhiNode(result_rgn, TypeInt::BOOL);
0 a61af66fc99e Initial load duke parents: diff changeset	2959 enum { no_int_result_path = 1,
a61af66fc99e Initial load duke parents: diff changeset	2960 no_clear_result_path = 2,
a61af66fc99e Initial load duke parents: diff changeset	2961 slow_result_path = 3
a61af66fc99e Initial load duke parents: diff changeset	2962 };
a61af66fc99e Initial load duke parents: diff changeset	2963
a61af66fc99e Initial load duke parents: diff changeset	2964 // (a) Receiving thread must be the current thread.
a61af66fc99e Initial load duke parents: diff changeset	2965 Node* rec_thr = argument(0);
a61af66fc99e Initial load duke parents: diff changeset	2966 Node* tls_ptr = NULL;
a61af66fc99e Initial load duke parents: diff changeset	2967 Node* cur_thr = generate_current_thread(tls_ptr);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2968 Node* cmp_thr = _gvn.transform( new (C) CmpPNode(cur_thr, rec_thr) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2969 Node* bol_thr = _gvn.transform( new (C) BoolNode(cmp_thr, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	2970
a61af66fc99e Initial load duke parents: diff changeset	2971 bool known_current_thread = (_gvn.type(bol_thr) == TypeInt::ZERO);
a61af66fc99e Initial load duke parents: diff changeset	2972 if (!known_current_thread)
a61af66fc99e Initial load duke parents: diff changeset	2973 generate_slow_guard(bol_thr, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	2974
a61af66fc99e Initial load duke parents: diff changeset	2975 // (b) Interrupt bit on TLS must be false.
a61af66fc99e Initial load duke parents: diff changeset	2976 Node* p = basic_plus_adr(top()/!oop/, tls_ptr, in_bytes(JavaThread::osthread_offset()));
a61af66fc99e Initial load duke parents: diff changeset	2977 Node* osthread = make_load(NULL, p, TypeRawPtr::NOTNULL, T_ADDRESS);
a61af66fc99e Initial load duke parents: diff changeset	2978 p = basic_plus_adr(top()/!oop/, osthread, in_bytes(OSThread::interrupted_offset()));
787 aabd393cf1ee 6772683: Thread.isInterrupted() fails to return true on multiprocessor PC kvn parents: 775 diff changeset	2979 // Set the control input on the field _interrupted read to prevent it floating up.
aabd393cf1ee 6772683: Thread.isInterrupted() fails to return true on multiprocessor PC kvn parents: 775 diff changeset	2980 Node* int_bit = make_load(control(), p, TypeInt::BOOL, T_INT);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2981 Node* cmp_bit = _gvn.transform( new (C) CmpINode(int_bit, intcon(0)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2982 Node* bol_bit = _gvn.transform( new (C) BoolNode(cmp_bit, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	2983
a61af66fc99e Initial load duke parents: diff changeset	2984 IfNode* iff_bit = create_and_map_if(control(), bol_bit, PROB_UNLIKELY_MAG(3), COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	2985
a61af66fc99e Initial load duke parents: diff changeset	2986 // First fast path: if (!TLS._interrupted) return false;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2987 Node* false_bit = _gvn.transform( new (C) IfFalseNode(iff_bit) );
0 a61af66fc99e Initial load duke parents: diff changeset	2988 result_rgn->init_req(no_int_result_path, false_bit);
a61af66fc99e Initial load duke parents: diff changeset	2989 result_val->init_req(no_int_result_path, intcon(0));
a61af66fc99e Initial load duke parents: diff changeset	2990
a61af66fc99e Initial load duke parents: diff changeset	2991 // drop through to next case
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2992 set_control( _gvn.transform(new (C) IfTrueNode(iff_bit)) );
0 a61af66fc99e Initial load duke parents: diff changeset	2993
a61af66fc99e Initial load duke parents: diff changeset	2994 // (c) Or, if interrupt bit is set and clear_int is false, use 2nd fast path.
a61af66fc99e Initial load duke parents: diff changeset	2995 Node* clr_arg = argument(1);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2996 Node* cmp_arg = _gvn.transform( new (C) CmpINode(clr_arg, intcon(0)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	2997 Node* bol_arg = _gvn.transform( new (C) BoolNode(cmp_arg, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	2998 IfNode* iff_arg = create_and_map_if(control(), bol_arg, PROB_FAIR, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	2999
a61af66fc99e Initial load duke parents: diff changeset	3000 // Second fast path: ... else if (!clear_int) return true;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3001 Node* false_arg = _gvn.transform( new (C) IfFalseNode(iff_arg) );
0 a61af66fc99e Initial load duke parents: diff changeset	3002 result_rgn->init_req(no_clear_result_path, false_arg);
a61af66fc99e Initial load duke parents: diff changeset	3003 result_val->init_req(no_clear_result_path, intcon(1));
a61af66fc99e Initial load duke parents: diff changeset	3004
a61af66fc99e Initial load duke parents: diff changeset	3005 // drop through to next case
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3006 set_control( _gvn.transform(new (C) IfTrueNode(iff_arg)) );
0 a61af66fc99e Initial load duke parents: diff changeset	3007
a61af66fc99e Initial load duke parents: diff changeset	3008 // (d) Otherwise, go to the slow path.
a61af66fc99e Initial load duke parents: diff changeset	3009 slow_region->add_req(control());
a61af66fc99e Initial load duke parents: diff changeset	3010 set_control( _gvn.transform(slow_region) );
a61af66fc99e Initial load duke parents: diff changeset	3011
a61af66fc99e Initial load duke parents: diff changeset	3012 if (stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3013 // There is no slow path.
a61af66fc99e Initial load duke parents: diff changeset	3014 result_rgn->init_req(slow_result_path, top());
a61af66fc99e Initial load duke parents: diff changeset	3015 result_val->init_req(slow_result_path, top());
a61af66fc99e Initial load duke parents: diff changeset	3016 } else {
a61af66fc99e Initial load duke parents: diff changeset	3017 // non-virtual because it is a private non-static
a61af66fc99e Initial load duke parents: diff changeset	3018 CallJavaNode* slow_call = generate_method_call(vmIntrinsics::_isInterrupted);
a61af66fc99e Initial load duke parents: diff changeset	3019
a61af66fc99e Initial load duke parents: diff changeset	3020 Node* slow_val = set_results_for_java_call(slow_call);
a61af66fc99e Initial load duke parents: diff changeset	3021 // this->control() comes from set_results_for_java_call
a61af66fc99e Initial load duke parents: diff changeset	3022
a61af66fc99e Initial load duke parents: diff changeset	3023 // If we know that the result of the slow call will be true, tell the optimizer!
a61af66fc99e Initial load duke parents: diff changeset	3024 if (known_current_thread) slow_val = intcon(1);
a61af66fc99e Initial load duke parents: diff changeset	3025
a61af66fc99e Initial load duke parents: diff changeset	3026 Node* fast_io = slow_call->in(TypeFunc::I_O);
a61af66fc99e Initial load duke parents: diff changeset	3027 Node* fast_mem = slow_call->in(TypeFunc::Memory);
a61af66fc99e Initial load duke parents: diff changeset	3028 // These two phis are pre-filled with copies of of the fast IO and Memory
a61af66fc99e Initial load duke parents: diff changeset	3029 Node* io_phi = PhiNode::make(result_rgn, fast_io, Type::ABIO);
a61af66fc99e Initial load duke parents: diff changeset	3030 Node* mem_phi = PhiNode::make(result_rgn, fast_mem, Type::MEMORY, TypePtr::BOTTOM);
a61af66fc99e Initial load duke parents: diff changeset	3031
a61af66fc99e Initial load duke parents: diff changeset	3032 result_rgn->init_req(slow_result_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3033 io_phi ->init_req(slow_result_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3034 mem_phi ->init_req(slow_result_path, reset_memory());
a61af66fc99e Initial load duke parents: diff changeset	3035 result_val->init_req(slow_result_path, slow_val);
a61af66fc99e Initial load duke parents: diff changeset	3036
a61af66fc99e Initial load duke parents: diff changeset	3037 set_all_memory( _gvn.transform(mem_phi) );
a61af66fc99e Initial load duke parents: diff changeset	3038 set_i_o( _gvn.transform(io_phi) );
a61af66fc99e Initial load duke parents: diff changeset	3039 }
a61af66fc99e Initial load duke parents: diff changeset	3040
a61af66fc99e Initial load duke parents: diff changeset	3041 C->set_has_split_ifs(true); // Has chance for split-if optimization
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3042 set_result(result_rgn, result_val);
0 a61af66fc99e Initial load duke parents: diff changeset	3043 return true;
a61af66fc99e Initial load duke parents: diff changeset	3044 }
a61af66fc99e Initial load duke parents: diff changeset	3045
a61af66fc99e Initial load duke parents: diff changeset	3046 //---------------------------load_mirror_from_klass----------------------------
a61af66fc99e Initial load duke parents: diff changeset	3047 // Given a klass oop, load its java mirror (a java.lang.Class oop).
a61af66fc99e Initial load duke parents: diff changeset	3048 Node* LibraryCallKit::load_mirror_from_klass(Node* klass) {
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	3049 Node* p = basic_plus_adr(klass, in_bytes(Klass::java_mirror_offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	3050 return make_load(NULL, p, TypeInstPtr::MIRROR, T_OBJECT);
a61af66fc99e Initial load duke parents: diff changeset	3051 }
a61af66fc99e Initial load duke parents: diff changeset	3052
a61af66fc99e Initial load duke parents: diff changeset	3053 //-----------------------load_klass_from_mirror_common-------------------------
a61af66fc99e Initial load duke parents: diff changeset	3054 // Given a java mirror (a java.lang.Class oop), load its corresponding klass oop.
a61af66fc99e Initial load duke parents: diff changeset	3055 // Test the klass oop for null (signifying a primitive Class like Integer.TYPE),
a61af66fc99e Initial load duke parents: diff changeset	3056 // and branch to the given path on the region.
a61af66fc99e Initial load duke parents: diff changeset	3057 // If never_see_null, take an uncommon trap on null, so we can optimistically
a61af66fc99e Initial load duke parents: diff changeset	3058 // compile for the non-null case.
a61af66fc99e Initial load duke parents: diff changeset	3059 // If the region is NULL, force never_see_null = true.
a61af66fc99e Initial load duke parents: diff changeset	3060 Node* LibraryCallKit::load_klass_from_mirror_common(Node* mirror,
a61af66fc99e Initial load duke parents: diff changeset	3061 bool never_see_null,
a61af66fc99e Initial load duke parents: diff changeset	3062 RegionNode* region,
a61af66fc99e Initial load duke parents: diff changeset	3063 int null_path,
a61af66fc99e Initial load duke parents: diff changeset	3064 int offset) {
a61af66fc99e Initial load duke parents: diff changeset	3065 if (region == NULL) never_see_null = true;
a61af66fc99e Initial load duke parents: diff changeset	3066 Node* p = basic_plus_adr(mirror, offset);
a61af66fc99e Initial load duke parents: diff changeset	3067 const TypeKlassPtr* kls_type = TypeKlassPtr::OBJECT_OR_NULL;
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	3068 Node* kls = _gvn.transform( LoadKlassNode::make(_gvn, immutable_memory(), p, TypeRawPtr::BOTTOM, kls_type) );
0 a61af66fc99e Initial load duke parents: diff changeset	3069 Node* null_ctl = top();
a61af66fc99e Initial load duke parents: diff changeset	3070 kls = null_check_oop(kls, &null_ctl, never_see_null);
a61af66fc99e Initial load duke parents: diff changeset	3071 if (region != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3072 // Set region->in(null_path) if the mirror is a primitive (e.g, int.class).
a61af66fc99e Initial load duke parents: diff changeset	3073 region->init_req(null_path, null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3074 } else {
a61af66fc99e Initial load duke parents: diff changeset	3075 assert(null_ctl == top(), "no loose ends");
a61af66fc99e Initial load duke parents: diff changeset	3076 }
a61af66fc99e Initial load duke parents: diff changeset	3077 return kls;
a61af66fc99e Initial load duke parents: diff changeset	3078 }
a61af66fc99e Initial load duke parents: diff changeset	3079
a61af66fc99e Initial load duke parents: diff changeset	3080 //--------------------(inline_native_Class_query helpers)---------------------
a61af66fc99e Initial load duke parents: diff changeset	3081 // Use this for JVM_ACC_INTERFACE, JVM_ACC_IS_CLONEABLE, JVM_ACC_HAS_FINALIZER.
a61af66fc99e Initial load duke parents: diff changeset	3082 // Fall through if (mods & mask) == bits, take the guard otherwise.
a61af66fc99e Initial load duke parents: diff changeset	3083 Node* LibraryCallKit::generate_access_flags_guard(Node* kls, int modifier_mask, int modifier_bits, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	3084 // Branch around if the given klass has the given modifier bit set.
a61af66fc99e Initial load duke parents: diff changeset	3085 // Like generate_guard, adds a new path onto the region.
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	3086 Node* modp = basic_plus_adr(kls, in_bytes(Klass::access_flags_offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	3087 Node* mods = make_load(NULL, modp, TypeInt::INT, T_INT);
a61af66fc99e Initial load duke parents: diff changeset	3088 Node* mask = intcon(modifier_mask);
a61af66fc99e Initial load duke parents: diff changeset	3089 Node* bits = intcon(modifier_bits);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3090 Node* mbit = _gvn.transform( new (C) AndINode(mods, mask) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3091 Node* cmp = _gvn.transform( new (C) CmpINode(mbit, bits) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3092 Node* bol = _gvn.transform( new (C) BoolNode(cmp, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	3093 return generate_fair_guard(bol, region);
a61af66fc99e Initial load duke parents: diff changeset	3094 }
a61af66fc99e Initial load duke parents: diff changeset	3095 Node* LibraryCallKit::generate_interface_guard(Node* kls, RegionNode* region) {
a61af66fc99e Initial load duke parents: diff changeset	3096 return generate_access_flags_guard(kls, JVM_ACC_INTERFACE, 0, region);
a61af66fc99e Initial load duke parents: diff changeset	3097 }
a61af66fc99e Initial load duke parents: diff changeset	3098
a61af66fc99e Initial load duke parents: diff changeset	3099 //-------------------------inline_native_Class_query-------------------
a61af66fc99e Initial load duke parents: diff changeset	3100 bool LibraryCallKit::inline_native_Class_query(vmIntrinsics::ID id) {
a61af66fc99e Initial load duke parents: diff changeset	3101 const Type* return_type = TypeInt::BOOL;
a61af66fc99e Initial load duke parents: diff changeset	3102 Node* prim_return_value = top(); // what happens if it's a primitive class?
a61af66fc99e Initial load duke parents: diff changeset	3103 bool never_see_null = !too_many_traps(Deoptimization::Reason_null_check);
a61af66fc99e Initial load duke parents: diff changeset	3104 bool expect_prim = false; // most of these guys expect to work on refs
a61af66fc99e Initial load duke parents: diff changeset	3105
a61af66fc99e Initial load duke parents: diff changeset	3106 enum { _normal_path = 1, _prim_path = 2, PATH_LIMIT };
a61af66fc99e Initial load duke parents: diff changeset	3107
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3108 Node* mirror = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3109 Node* obj = top();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3110
0 a61af66fc99e Initial load duke parents: diff changeset	3111 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	3112 case vmIntrinsics::_isInstance:
a61af66fc99e Initial load duke parents: diff changeset	3113 // nothing is an instance of a primitive type
a61af66fc99e Initial load duke parents: diff changeset	3114 prim_return_value = intcon(0);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3115 obj = argument(1);
0 a61af66fc99e Initial load duke parents: diff changeset	3116 break;
a61af66fc99e Initial load duke parents: diff changeset	3117 case vmIntrinsics::_getModifiers:
a61af66fc99e Initial load duke parents: diff changeset	3118 prim_return_value = intcon(JVM_ACC_ABSTRACT \| JVM_ACC_FINAL \| JVM_ACC_PUBLIC);
a61af66fc99e Initial load duke parents: diff changeset	3119 assert(is_power_of_2((int)JVM_ACC_WRITTEN_FLAGS+1), "change next line");
a61af66fc99e Initial load duke parents: diff changeset	3120 return_type = TypeInt::make(0, JVM_ACC_WRITTEN_FLAGS, Type::WidenMin);
a61af66fc99e Initial load duke parents: diff changeset	3121 break;
a61af66fc99e Initial load duke parents: diff changeset	3122 case vmIntrinsics::_isInterface:
a61af66fc99e Initial load duke parents: diff changeset	3123 prim_return_value = intcon(0);
a61af66fc99e Initial load duke parents: diff changeset	3124 break;
a61af66fc99e Initial load duke parents: diff changeset	3125 case vmIntrinsics::_isArray:
a61af66fc99e Initial load duke parents: diff changeset	3126 prim_return_value = intcon(0);
a61af66fc99e Initial load duke parents: diff changeset	3127 expect_prim = true; // cf. ObjectStreamClass.getClassSignature
a61af66fc99e Initial load duke parents: diff changeset	3128 break;
a61af66fc99e Initial load duke parents: diff changeset	3129 case vmIntrinsics::_isPrimitive:
a61af66fc99e Initial load duke parents: diff changeset	3130 prim_return_value = intcon(1);
a61af66fc99e Initial load duke parents: diff changeset	3131 expect_prim = true; // obviously
a61af66fc99e Initial load duke parents: diff changeset	3132 break;
a61af66fc99e Initial load duke parents: diff changeset	3133 case vmIntrinsics::_getSuperclass:
a61af66fc99e Initial load duke parents: diff changeset	3134 prim_return_value = null();
a61af66fc99e Initial load duke parents: diff changeset	3135 return_type = TypeInstPtr::MIRROR->cast_to_ptr_type(TypePtr::BotPTR);
a61af66fc99e Initial load duke parents: diff changeset	3136 break;
a61af66fc99e Initial load duke parents: diff changeset	3137 case vmIntrinsics::_getComponentType:
a61af66fc99e Initial load duke parents: diff changeset	3138 prim_return_value = null();
a61af66fc99e Initial load duke parents: diff changeset	3139 return_type = TypeInstPtr::MIRROR->cast_to_ptr_type(TypePtr::BotPTR);
a61af66fc99e Initial load duke parents: diff changeset	3140 break;
a61af66fc99e Initial load duke parents: diff changeset	3141 case vmIntrinsics::_getClassAccessFlags:
a61af66fc99e Initial load duke parents: diff changeset	3142 prim_return_value = intcon(JVM_ACC_ABSTRACT \| JVM_ACC_FINAL \| JVM_ACC_PUBLIC);
a61af66fc99e Initial load duke parents: diff changeset	3143 return_type = TypeInt::INT; // not bool! 6297094
a61af66fc99e Initial load duke parents: diff changeset	3144 break;
a61af66fc99e Initial load duke parents: diff changeset	3145 default:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3146 fatal_unexpected_iid(id);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3147 break;
0 a61af66fc99e Initial load duke parents: diff changeset	3148 }
a61af66fc99e Initial load duke parents: diff changeset	3149
a61af66fc99e Initial load duke parents: diff changeset	3150 const TypeInstPtr* mirror_con = _gvn.type(mirror)->isa_instptr();
a61af66fc99e Initial load duke parents: diff changeset	3151 if (mirror_con == NULL) return false; // cannot happen?
a61af66fc99e Initial load duke parents: diff changeset	3152
a61af66fc99e Initial load duke parents: diff changeset	3153 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3154 if (PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) {
a61af66fc99e Initial load duke parents: diff changeset	3155 ciType* k = mirror_con->java_mirror_type();
a61af66fc99e Initial load duke parents: diff changeset	3156 if (k) {
a61af66fc99e Initial load duke parents: diff changeset	3157 tty->print("Inlining %s on constant Class ", vmIntrinsics::name_at(intrinsic_id()));
a61af66fc99e Initial load duke parents: diff changeset	3158 k->print_name();
a61af66fc99e Initial load duke parents: diff changeset	3159 tty->cr();
a61af66fc99e Initial load duke parents: diff changeset	3160 }
a61af66fc99e Initial load duke parents: diff changeset	3161 }
a61af66fc99e Initial load duke parents: diff changeset	3162 #endif
a61af66fc99e Initial load duke parents: diff changeset	3163
a61af66fc99e Initial load duke parents: diff changeset	3164 // Null-check the mirror, and the mirror's klass ptr (in case it is a primitive).
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3165 RegionNode* region = new (C) RegionNode(PATH_LIMIT);
0 a61af66fc99e Initial load duke parents: diff changeset	3166 record_for_igvn(region);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3167 PhiNode* phi = new (C) PhiNode(region, return_type);
0 a61af66fc99e Initial load duke parents: diff changeset	3168
a61af66fc99e Initial load duke parents: diff changeset	3169 // The mirror will never be null of Reflection.getClassAccessFlags, however
a61af66fc99e Initial load duke parents: diff changeset	3170 // it may be null for Class.isInstance or Class.getModifiers. Throw a NPE
a61af66fc99e Initial load duke parents: diff changeset	3171 // if it is. See bug 4774291.
a61af66fc99e Initial load duke parents: diff changeset	3172
a61af66fc99e Initial load duke parents: diff changeset	3173 // For Reflection.getClassAccessFlags(), the null check occurs in
a61af66fc99e Initial load duke parents: diff changeset	3174 // the wrong place; see inline_unsafe_access(), above, for a similar
a61af66fc99e Initial load duke parents: diff changeset	3175 // situation.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3176 mirror = null_check(mirror);
0 a61af66fc99e Initial load duke parents: diff changeset	3177 // If mirror or obj is dead, only null-path is taken.
a61af66fc99e Initial load duke parents: diff changeset	3178 if (stopped()) return true;
a61af66fc99e Initial load duke parents: diff changeset	3179
a61af66fc99e Initial load duke parents: diff changeset	3180 if (expect_prim) never_see_null = false; // expect nulls (meaning prims)
a61af66fc99e Initial load duke parents: diff changeset	3181
a61af66fc99e Initial load duke parents: diff changeset	3182 // Now load the mirror's klass metaobject, and null-check it.
a61af66fc99e Initial load duke parents: diff changeset	3183 // Side-effects region with the control path if the klass is null.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3184 Node* kls = load_klass_from_mirror(mirror, never_see_null, region, _prim_path);
0 a61af66fc99e Initial load duke parents: diff changeset	3185 // If kls is null, we have a primitive mirror.
a61af66fc99e Initial load duke parents: diff changeset	3186 phi->init_req(_prim_path, prim_return_value);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3187 if (stopped()) { set_result(region, phi); return true; }
0 a61af66fc99e Initial load duke parents: diff changeset	3188
a61af66fc99e Initial load duke parents: diff changeset	3189 Node* p; // handy temp
a61af66fc99e Initial load duke parents: diff changeset	3190 Node* null_ctl;
a61af66fc99e Initial load duke parents: diff changeset	3191
a61af66fc99e Initial load duke parents: diff changeset	3192 // Now that we have the non-null klass, we can perform the real query.
a61af66fc99e Initial load duke parents: diff changeset	3193 // For constant classes, the query will constant-fold in LoadNode::Value.
a61af66fc99e Initial load duke parents: diff changeset	3194 Node* query_value = top();
a61af66fc99e Initial load duke parents: diff changeset	3195 switch (id) {
a61af66fc99e Initial load duke parents: diff changeset	3196 case vmIntrinsics::_isInstance:
a61af66fc99e Initial load duke parents: diff changeset	3197 // nothing is an instance of a primitive type
a61af66fc99e Initial load duke parents: diff changeset	3198 query_value = gen_instanceof(obj, kls);
a61af66fc99e Initial load duke parents: diff changeset	3199 break;
a61af66fc99e Initial load duke parents: diff changeset	3200
a61af66fc99e Initial load duke parents: diff changeset	3201 case vmIntrinsics::_getModifiers:
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	3202 p = basic_plus_adr(kls, in_bytes(Klass::modifier_flags_offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	3203 query_value = make_load(NULL, p, TypeInt::INT, T_INT);
a61af66fc99e Initial load duke parents: diff changeset	3204 break;
a61af66fc99e Initial load duke parents: diff changeset	3205
a61af66fc99e Initial load duke parents: diff changeset	3206 case vmIntrinsics::_isInterface:
a61af66fc99e Initial load duke parents: diff changeset	3207 // (To verify this code sequence, check the asserts in JVM_IsInterface.)
a61af66fc99e Initial load duke parents: diff changeset	3208 if (generate_interface_guard(kls, region) != NULL)
a61af66fc99e Initial load duke parents: diff changeset	3209 // A guard was added. If the guard is taken, it was an interface.
a61af66fc99e Initial load duke parents: diff changeset	3210 phi->add_req(intcon(1));
a61af66fc99e Initial load duke parents: diff changeset	3211 // If we fall through, it's a plain class.
a61af66fc99e Initial load duke parents: diff changeset	3212 query_value = intcon(0);
a61af66fc99e Initial load duke parents: diff changeset	3213 break;
a61af66fc99e Initial load duke parents: diff changeset	3214
a61af66fc99e Initial load duke parents: diff changeset	3215 case vmIntrinsics::_isArray:
a61af66fc99e Initial load duke parents: diff changeset	3216 // (To verify this code sequence, check the asserts in JVM_IsArrayClass.)
a61af66fc99e Initial load duke parents: diff changeset	3217 if (generate_array_guard(kls, region) != NULL)
a61af66fc99e Initial load duke parents: diff changeset	3218 // A guard was added. If the guard is taken, it was an array.
a61af66fc99e Initial load duke parents: diff changeset	3219 phi->add_req(intcon(1));
a61af66fc99e Initial load duke parents: diff changeset	3220 // If we fall through, it's a plain class.
a61af66fc99e Initial load duke parents: diff changeset	3221 query_value = intcon(0);
a61af66fc99e Initial load duke parents: diff changeset	3222 break;
a61af66fc99e Initial load duke parents: diff changeset	3223
a61af66fc99e Initial load duke parents: diff changeset	3224 case vmIntrinsics::_isPrimitive:
a61af66fc99e Initial load duke parents: diff changeset	3225 query_value = intcon(0); // "normal" path produces false
a61af66fc99e Initial load duke parents: diff changeset	3226 break;
a61af66fc99e Initial load duke parents: diff changeset	3227
a61af66fc99e Initial load duke parents: diff changeset	3228 case vmIntrinsics::_getSuperclass:
a61af66fc99e Initial load duke parents: diff changeset	3229 // The rules here are somewhat unfortunate, but we can still do better
a61af66fc99e Initial load duke parents: diff changeset	3230 // with random logic than with a JNI call.
a61af66fc99e Initial load duke parents: diff changeset	3231 // Interfaces store null or Object as _super, but must report null.
a61af66fc99e Initial load duke parents: diff changeset	3232 // Arrays store an intermediate super as _super, but must report Object.
a61af66fc99e Initial load duke parents: diff changeset	3233 // Other types can report the actual _super.
a61af66fc99e Initial load duke parents: diff changeset	3234 // (To verify this code sequence, check the asserts in JVM_IsInterface.)
a61af66fc99e Initial load duke parents: diff changeset	3235 if (generate_interface_guard(kls, region) != NULL)
a61af66fc99e Initial load duke parents: diff changeset	3236 // A guard was added. If the guard is taken, it was an interface.
a61af66fc99e Initial load duke parents: diff changeset	3237 phi->add_req(null());
a61af66fc99e Initial load duke parents: diff changeset	3238 if (generate_array_guard(kls, region) != NULL)
a61af66fc99e Initial load duke parents: diff changeset	3239 // A guard was added. If the guard is taken, it was an array.
a61af66fc99e Initial load duke parents: diff changeset	3240 phi->add_req(makecon(TypeInstPtr::make(env()->Object_klass()->java_mirror())));
a61af66fc99e Initial load duke parents: diff changeset	3241 // If we fall through, it's a plain class. Get its _super.
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	3242 p = basic_plus_adr(kls, in_bytes(Klass::super_offset()));
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	3243 kls = _gvn.transform( LoadKlassNode::make(_gvn, immutable_memory(), p, TypeRawPtr::BOTTOM, TypeKlassPtr::OBJECT_OR_NULL) );
0 a61af66fc99e Initial load duke parents: diff changeset	3244 null_ctl = top();
a61af66fc99e Initial load duke parents: diff changeset	3245 kls = null_check_oop(kls, &null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3246 if (null_ctl != top()) {
a61af66fc99e Initial load duke parents: diff changeset	3247 // If the guard is taken, Object.superClass is null (both klass and mirror).
a61af66fc99e Initial load duke parents: diff changeset	3248 region->add_req(null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3249 phi ->add_req(null());
a61af66fc99e Initial load duke parents: diff changeset	3250 }
a61af66fc99e Initial load duke parents: diff changeset	3251 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3252 query_value = load_mirror_from_klass(kls);
a61af66fc99e Initial load duke parents: diff changeset	3253 }
a61af66fc99e Initial load duke parents: diff changeset	3254 break;
a61af66fc99e Initial load duke parents: diff changeset	3255
a61af66fc99e Initial load duke parents: diff changeset	3256 case vmIntrinsics::_getComponentType:
a61af66fc99e Initial load duke parents: diff changeset	3257 if (generate_array_guard(kls, region) != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3258 // Be sure to pin the oop load to the guard edge just created:
a61af66fc99e Initial load duke parents: diff changeset	3259 Node* is_array_ctrl = region->in(region->req()-1);
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6804 diff changeset	3260 Node* cma = basic_plus_adr(kls, in_bytes(ArrayKlass::component_mirror_offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	3261 Node* cmo = make_load(is_array_ctrl, cma, TypeInstPtr::MIRROR, T_OBJECT);
a61af66fc99e Initial load duke parents: diff changeset	3262 phi->add_req(cmo);
a61af66fc99e Initial load duke parents: diff changeset	3263 }
a61af66fc99e Initial load duke parents: diff changeset	3264 query_value = null(); // non-array case is null
a61af66fc99e Initial load duke parents: diff changeset	3265 break;
a61af66fc99e Initial load duke parents: diff changeset	3266
a61af66fc99e Initial load duke parents: diff changeset	3267 case vmIntrinsics::_getClassAccessFlags:
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	3268 p = basic_plus_adr(kls, in_bytes(Klass::access_flags_offset()));
0 a61af66fc99e Initial load duke parents: diff changeset	3269 query_value = make_load(NULL, p, TypeInt::INT, T_INT);
a61af66fc99e Initial load duke parents: diff changeset	3270 break;
a61af66fc99e Initial load duke parents: diff changeset	3271
a61af66fc99e Initial load duke parents: diff changeset	3272 default:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3273 fatal_unexpected_iid(id);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3274 break;
0 a61af66fc99e Initial load duke parents: diff changeset	3275 }
a61af66fc99e Initial load duke parents: diff changeset	3276
a61af66fc99e Initial load duke parents: diff changeset	3277 // Fall-through is the normal case of a query to a real class.
a61af66fc99e Initial load duke parents: diff changeset	3278 phi->init_req(1, query_value);
a61af66fc99e Initial load duke parents: diff changeset	3279 region->init_req(1, control());
a61af66fc99e Initial load duke parents: diff changeset	3280
a61af66fc99e Initial load duke parents: diff changeset	3281 C->set_has_split_ifs(true); // Has chance for split-if optimization
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3282 set_result(region, phi);
0 a61af66fc99e Initial load duke parents: diff changeset	3283 return true;
a61af66fc99e Initial load duke parents: diff changeset	3284 }
a61af66fc99e Initial load duke parents: diff changeset	3285
a61af66fc99e Initial load duke parents: diff changeset	3286 //--------------------------inline_native_subtype_check------------------------
a61af66fc99e Initial load duke parents: diff changeset	3287 // This intrinsic takes the JNI calls out of the heart of
a61af66fc99e Initial load duke parents: diff changeset	3288 // UnsafeFieldAccessorImpl.set, which improves Field.set, readObject, etc.
a61af66fc99e Initial load duke parents: diff changeset	3289 bool LibraryCallKit::inline_native_subtype_check() {
a61af66fc99e Initial load duke parents: diff changeset	3290 // Pull both arguments off the stack.
a61af66fc99e Initial load duke parents: diff changeset	3291 Node* args[2]; // two java.lang.Class mirrors: superc, subc
a61af66fc99e Initial load duke parents: diff changeset	3292 args[0] = argument(0);
a61af66fc99e Initial load duke parents: diff changeset	3293 args[1] = argument(1);
a61af66fc99e Initial load duke parents: diff changeset	3294 Node* klasses[2]; // corresponding Klasses: superk, subk
a61af66fc99e Initial load duke parents: diff changeset	3295 klasses[0] = klasses[1] = top();
a61af66fc99e Initial load duke parents: diff changeset	3296
a61af66fc99e Initial load duke parents: diff changeset	3297 enum {
a61af66fc99e Initial load duke parents: diff changeset	3298 // A full decision tree on {superc is prim, subc is prim}:
a61af66fc99e Initial load duke parents: diff changeset	3299 _prim_0_path = 1, // {P,N} => false
a61af66fc99e Initial load duke parents: diff changeset	3300 // {P,P} & superc!=subc => false
a61af66fc99e Initial load duke parents: diff changeset	3301 _prim_same_path, // {P,P} & superc==subc => true
a61af66fc99e Initial load duke parents: diff changeset	3302 _prim_1_path, // {N,P} => false
a61af66fc99e Initial load duke parents: diff changeset	3303 _ref_subtype_path, // {N,N} & subtype check wins => true
a61af66fc99e Initial load duke parents: diff changeset	3304 _both_ref_path, // {N,N} & subtype check loses => false
a61af66fc99e Initial load duke parents: diff changeset	3305 PATH_LIMIT
a61af66fc99e Initial load duke parents: diff changeset	3306 };
a61af66fc99e Initial load duke parents: diff changeset	3307
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3308 RegionNode* region = new (C) RegionNode(PATH_LIMIT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3309 Node* phi = new (C) PhiNode(region, TypeInt::BOOL);
0 a61af66fc99e Initial load duke parents: diff changeset	3310 record_for_igvn(region);
a61af66fc99e Initial load duke parents: diff changeset	3311
a61af66fc99e Initial load duke parents: diff changeset	3312 const TypePtr* adr_type = TypeRawPtr::BOTTOM; // memory type of loads
a61af66fc99e Initial load duke parents: diff changeset	3313 const TypeKlassPtr* kls_type = TypeKlassPtr::OBJECT_OR_NULL;
a61af66fc99e Initial load duke parents: diff changeset	3314 int class_klass_offset = java_lang_Class::klass_offset_in_bytes();
a61af66fc99e Initial load duke parents: diff changeset	3315
a61af66fc99e Initial load duke parents: diff changeset	3316 // First null-check both mirrors and load each mirror's klass metaobject.
a61af66fc99e Initial load duke parents: diff changeset	3317 int which_arg;
a61af66fc99e Initial load duke parents: diff changeset	3318 for (which_arg = 0; which_arg <= 1; which_arg++) {
a61af66fc99e Initial load duke parents: diff changeset	3319 Node* arg = args[which_arg];
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3320 arg = null_check(arg);
0 a61af66fc99e Initial load duke parents: diff changeset	3321 if (stopped()) break;
7421 ad5dd04754ee 8005031: Some cleanup in c2 to prepare for incremental inlining support roland parents: 7200 diff changeset	3322 args[which_arg] = arg;
0 a61af66fc99e Initial load duke parents: diff changeset	3323
a61af66fc99e Initial load duke parents: diff changeset	3324 Node* p = basic_plus_adr(arg, class_klass_offset);
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	3325 Node* kls = LoadKlassNode::make(_gvn, immutable_memory(), p, adr_type, kls_type);
0 a61af66fc99e Initial load duke parents: diff changeset	3326 klasses[which_arg] = _gvn.transform(kls);
a61af66fc99e Initial load duke parents: diff changeset	3327 }
a61af66fc99e Initial load duke parents: diff changeset	3328
a61af66fc99e Initial load duke parents: diff changeset	3329 // Having loaded both klasses, test each for null.
a61af66fc99e Initial load duke parents: diff changeset	3330 bool never_see_null = !too_many_traps(Deoptimization::Reason_null_check);
a61af66fc99e Initial load duke parents: diff changeset	3331 for (which_arg = 0; which_arg <= 1; which_arg++) {
a61af66fc99e Initial load duke parents: diff changeset	3332 Node* kls = klasses[which_arg];
a61af66fc99e Initial load duke parents: diff changeset	3333 Node* null_ctl = top();
a61af66fc99e Initial load duke parents: diff changeset	3334 kls = null_check_oop(kls, &null_ctl, never_see_null);
a61af66fc99e Initial load duke parents: diff changeset	3335 int prim_path = (which_arg == 0 ? _prim_0_path : _prim_1_path);
a61af66fc99e Initial load duke parents: diff changeset	3336 region->init_req(prim_path, null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3337 if (stopped()) break;
a61af66fc99e Initial load duke parents: diff changeset	3338 klasses[which_arg] = kls;
a61af66fc99e Initial load duke parents: diff changeset	3339 }
a61af66fc99e Initial load duke parents: diff changeset	3340
a61af66fc99e Initial load duke parents: diff changeset	3341 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3342 // now we have two reference types, in klasses[0..1]
a61af66fc99e Initial load duke parents: diff changeset	3343 Node* subk = klasses[1]; // the argument to isAssignableFrom
a61af66fc99e Initial load duke parents: diff changeset	3344 Node* superk = klasses[0]; // the receiver
a61af66fc99e Initial load duke parents: diff changeset	3345 region->set_req(_both_ref_path, gen_subtype_check(subk, superk));
a61af66fc99e Initial load duke parents: diff changeset	3346 // now we have a successful reference subtype check
a61af66fc99e Initial load duke parents: diff changeset	3347 region->set_req(_ref_subtype_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3348 }
a61af66fc99e Initial load duke parents: diff changeset	3349
a61af66fc99e Initial load duke parents: diff changeset	3350 // If both operands are primitive (both klasses null), then
a61af66fc99e Initial load duke parents: diff changeset	3351 // we must return true when they are identical primitives.
a61af66fc99e Initial load duke parents: diff changeset	3352 // It is convenient to test this after the first null klass check.
a61af66fc99e Initial load duke parents: diff changeset	3353 set_control(region->in(_prim_0_path)); // go back to first null check
a61af66fc99e Initial load duke parents: diff changeset	3354 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3355 // Since superc is primitive, make a guard for the superc==subc case.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3356 Node* cmp_eq = _gvn.transform( new (C) CmpPNode(args[0], args[1]) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3357 Node* bol_eq = _gvn.transform( new (C) BoolNode(cmp_eq, BoolTest::eq) );
0 a61af66fc99e Initial load duke parents: diff changeset	3358 generate_guard(bol_eq, region, PROB_FAIR);
a61af66fc99e Initial load duke parents: diff changeset	3359 if (region->req() == PATH_LIMIT+1) {
a61af66fc99e Initial load duke parents: diff changeset	3360 // A guard was added. If the added guard is taken, superc==subc.
a61af66fc99e Initial load duke parents: diff changeset	3361 region->swap_edges(PATH_LIMIT, _prim_same_path);
a61af66fc99e Initial load duke parents: diff changeset	3362 region->del_req(PATH_LIMIT);
a61af66fc99e Initial load duke parents: diff changeset	3363 }
a61af66fc99e Initial load duke parents: diff changeset	3364 region->set_req(_prim_0_path, control()); // Not equal after all.
a61af66fc99e Initial load duke parents: diff changeset	3365 }
a61af66fc99e Initial load duke parents: diff changeset	3366
a61af66fc99e Initial load duke parents: diff changeset	3367 // these are the only paths that produce 'true':
a61af66fc99e Initial load duke parents: diff changeset	3368 phi->set_req(_prim_same_path, intcon(1));
a61af66fc99e Initial load duke parents: diff changeset	3369 phi->set_req(_ref_subtype_path, intcon(1));
a61af66fc99e Initial load duke parents: diff changeset	3370
a61af66fc99e Initial load duke parents: diff changeset	3371 // pull together the cases:
a61af66fc99e Initial load duke parents: diff changeset	3372 assert(region->req() == PATH_LIMIT, "sane region");
a61af66fc99e Initial load duke parents: diff changeset	3373 for (uint i = 1; i < region->req(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	3374 Node* ctl = region->in(i);
a61af66fc99e Initial load duke parents: diff changeset	3375 if (ctl == NULL \|\| ctl == top()) {
a61af66fc99e Initial load duke parents: diff changeset	3376 region->set_req(i, top());
a61af66fc99e Initial load duke parents: diff changeset	3377 phi ->set_req(i, top());
a61af66fc99e Initial load duke parents: diff changeset	3378 } else if (phi->in(i) == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3379 phi->set_req(i, intcon(0)); // all other paths produce 'false'
a61af66fc99e Initial load duke parents: diff changeset	3380 }
a61af66fc99e Initial load duke parents: diff changeset	3381 }
a61af66fc99e Initial load duke parents: diff changeset	3382
a61af66fc99e Initial load duke parents: diff changeset	3383 set_control(_gvn.transform(region));
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3384 set_result(_gvn.transform(phi));
0 a61af66fc99e Initial load duke parents: diff changeset	3385 return true;
a61af66fc99e Initial load duke parents: diff changeset	3386 }
a61af66fc99e Initial load duke parents: diff changeset	3387
a61af66fc99e Initial load duke parents: diff changeset	3388 //---------------------generate_array_guard_common------------------------
a61af66fc99e Initial load duke parents: diff changeset	3389 Node* LibraryCallKit::generate_array_guard_common(Node* kls, RegionNode* region,
a61af66fc99e Initial load duke parents: diff changeset	3390 bool obj_array, bool not_array) {
a61af66fc99e Initial load duke parents: diff changeset	3391 // If obj_array/non_array==false/false:
a61af66fc99e Initial load duke parents: diff changeset	3392 // Branch around if the given klass is in fact an array (either obj or prim).
a61af66fc99e Initial load duke parents: diff changeset	3393 // If obj_array/non_array==false/true:
a61af66fc99e Initial load duke parents: diff changeset	3394 // Branch around if the given klass is not an array klass of any kind.
a61af66fc99e Initial load duke parents: diff changeset	3395 // If obj_array/non_array==true/true:
a61af66fc99e Initial load duke parents: diff changeset	3396 // Branch around if the kls is not an oop array (kls is int[], String, etc.)
a61af66fc99e Initial load duke parents: diff changeset	3397 // If obj_array/non_array==true/false:
a61af66fc99e Initial load duke parents: diff changeset	3398 // Branch around if the kls is an oop array (Object[] or subtype)
a61af66fc99e Initial load duke parents: diff changeset	3399 //
a61af66fc99e Initial load duke parents: diff changeset	3400 // Like generate_guard, adds a new path onto the region.
a61af66fc99e Initial load duke parents: diff changeset	3401 jint layout_con = 0;
a61af66fc99e Initial load duke parents: diff changeset	3402 Node* layout_val = get_layout_helper(kls, layout_con);
a61af66fc99e Initial load duke parents: diff changeset	3403 if (layout_val == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3404 bool query = (obj_array
a61af66fc99e Initial load duke parents: diff changeset	3405 ? Klass::layout_helper_is_objArray(layout_con)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	3406 : Klass::layout_helper_is_array(layout_con));
0 a61af66fc99e Initial load duke parents: diff changeset	3407 if (query == not_array) {
a61af66fc99e Initial load duke parents: diff changeset	3408 return NULL; // never a branch
a61af66fc99e Initial load duke parents: diff changeset	3409 } else { // always a branch
a61af66fc99e Initial load duke parents: diff changeset	3410 Node* always_branch = control();
a61af66fc99e Initial load duke parents: diff changeset	3411 if (region != NULL)
a61af66fc99e Initial load duke parents: diff changeset	3412 region->add_req(always_branch);
a61af66fc99e Initial load duke parents: diff changeset	3413 set_control(top());
a61af66fc99e Initial load duke parents: diff changeset	3414 return always_branch;
a61af66fc99e Initial load duke parents: diff changeset	3415 }
a61af66fc99e Initial load duke parents: diff changeset	3416 }
a61af66fc99e Initial load duke parents: diff changeset	3417 // Now test the correct condition.
a61af66fc99e Initial load duke parents: diff changeset	3418 jint nval = (obj_array
a61af66fc99e Initial load duke parents: diff changeset	3419 ? ((jint)Klass::_lh_array_tag_type_value
a61af66fc99e Initial load duke parents: diff changeset	3420 << Klass::_lh_array_tag_shift)
a61af66fc99e Initial load duke parents: diff changeset	3421 : Klass::_lh_neutral_value);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3422 Node* cmp = _gvn.transform( new(C) CmpINode(layout_val, intcon(nval)) );
0 a61af66fc99e Initial load duke parents: diff changeset	3423 BoolTest::mask btest = BoolTest::lt; // correct for testing is_[obj]array
a61af66fc99e Initial load duke parents: diff changeset	3424 // invert the test if we are looking for a non-array
a61af66fc99e Initial load duke parents: diff changeset	3425 if (not_array) btest = BoolTest(btest).negate();
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3426 Node* bol = _gvn.transform( new(C) BoolNode(cmp, btest) );
0 a61af66fc99e Initial load duke parents: diff changeset	3427 return generate_fair_guard(bol, region);
a61af66fc99e Initial load duke parents: diff changeset	3428 }
a61af66fc99e Initial load duke parents: diff changeset	3429
a61af66fc99e Initial load duke parents: diff changeset	3430
a61af66fc99e Initial load duke parents: diff changeset	3431 //-----------------------inline_native_newArray--------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3432 // private static native Object java.lang.reflect.newArray(Class<?> componentType, int length);
0 a61af66fc99e Initial load duke parents: diff changeset	3433 bool LibraryCallKit::inline_native_newArray() {
a61af66fc99e Initial load duke parents: diff changeset	3434 Node* mirror = argument(0);
a61af66fc99e Initial load duke parents: diff changeset	3435 Node* count_val = argument(1);
a61af66fc99e Initial load duke parents: diff changeset	3436
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3437 mirror = null_check(mirror);
163 885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 113 diff changeset	3438 // If mirror or obj is dead, only null-path is taken.
885ed790ecf0 6695810: null oop passed to encode_heap_oop_not_null kvn parents: 113 diff changeset	3439 if (stopped()) return true;
0 a61af66fc99e Initial load duke parents: diff changeset	3440
a61af66fc99e Initial load duke parents: diff changeset	3441 enum { _normal_path = 1, _slow_path = 2, PATH_LIMIT };
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3442 RegionNode* result_reg = new(C) RegionNode(PATH_LIMIT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3443 PhiNode* result_val = new(C) PhiNode(result_reg,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3444 TypeInstPtr::NOTNULL);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3445 PhiNode* result_io = new(C) PhiNode(result_reg, Type::ABIO);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3446 PhiNode* result_mem = new(C) PhiNode(result_reg, Type::MEMORY,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3447 TypePtr::BOTTOM);
0 a61af66fc99e Initial load duke parents: diff changeset	3448
a61af66fc99e Initial load duke parents: diff changeset	3449 bool never_see_null = !too_many_traps(Deoptimization::Reason_null_check);
a61af66fc99e Initial load duke parents: diff changeset	3450 Node* klass_node = load_array_klass_from_mirror(mirror, never_see_null,
a61af66fc99e Initial load duke parents: diff changeset	3451 result_reg, _slow_path);
a61af66fc99e Initial load duke parents: diff changeset	3452 Node* normal_ctl = control();
a61af66fc99e Initial load duke parents: diff changeset	3453 Node* no_array_ctl = result_reg->in(_slow_path);
a61af66fc99e Initial load duke parents: diff changeset	3454
a61af66fc99e Initial load duke parents: diff changeset	3455 // Generate code for the slow case. We make a call to newArray().
a61af66fc99e Initial load duke parents: diff changeset	3456 set_control(no_array_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3457 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3458 // Either the input type is void.class, or else the
a61af66fc99e Initial load duke parents: diff changeset	3459 // array klass has not yet been cached. Either the
a61af66fc99e Initial load duke parents: diff changeset	3460 // ensuing call will throw an exception, or else it
a61af66fc99e Initial load duke parents: diff changeset	3461 // will cache the array klass for next time.
a61af66fc99e Initial load duke parents: diff changeset	3462 PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	3463 CallJavaNode* slow_call = generate_method_call_static(vmIntrinsics::_newArray);
a61af66fc99e Initial load duke parents: diff changeset	3464 Node* slow_result = set_results_for_java_call(slow_call);
a61af66fc99e Initial load duke parents: diff changeset	3465 // this->control() comes from set_results_for_java_call
a61af66fc99e Initial load duke parents: diff changeset	3466 result_reg->set_req(_slow_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3467 result_val->set_req(_slow_path, slow_result);
a61af66fc99e Initial load duke parents: diff changeset	3468 result_io ->set_req(_slow_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3469 result_mem->set_req(_slow_path, reset_memory());
a61af66fc99e Initial load duke parents: diff changeset	3470 }
a61af66fc99e Initial load duke parents: diff changeset	3471
a61af66fc99e Initial load duke parents: diff changeset	3472 set_control(normal_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3473 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3474 // Normal case: The array type has been cached in the java.lang.Class.
a61af66fc99e Initial load duke parents: diff changeset	3475 // The following call works fine even if the array type is polymorphic.
a61af66fc99e Initial load duke parents: diff changeset	3476 // It could be a dynamic mix of int[], boolean[], Object[], etc.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3477 Node* obj = new_array(klass_node, count_val, 0); // no arguments to push
0 a61af66fc99e Initial load duke parents: diff changeset	3478 result_reg->init_req(_normal_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3479 result_val->init_req(_normal_path, obj);
a61af66fc99e Initial load duke parents: diff changeset	3480 result_io ->init_req(_normal_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3481 result_mem->init_req(_normal_path, reset_memory());
a61af66fc99e Initial load duke parents: diff changeset	3482 }
a61af66fc99e Initial load duke parents: diff changeset	3483
a61af66fc99e Initial load duke parents: diff changeset	3484 // Return the combined state.
a61af66fc99e Initial load duke parents: diff changeset	3485 set_i_o( _gvn.transform(result_io) );
a61af66fc99e Initial load duke parents: diff changeset	3486 set_all_memory( _gvn.transform(result_mem) );
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3487
0 a61af66fc99e Initial load duke parents: diff changeset	3488 C->set_has_split_ifs(true); // Has chance for split-if optimization
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3489 set_result(result_reg, result_val);
0 a61af66fc99e Initial load duke parents: diff changeset	3490 return true;
a61af66fc99e Initial load duke parents: diff changeset	3491 }
a61af66fc99e Initial load duke parents: diff changeset	3492
a61af66fc99e Initial load duke parents: diff changeset	3493 //----------------------inline_native_getLength--------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3494 // public static native int java.lang.reflect.Array.getLength(Object array);
0 a61af66fc99e Initial load duke parents: diff changeset	3495 bool LibraryCallKit::inline_native_getLength() {
a61af66fc99e Initial load duke parents: diff changeset	3496 if (too_many_traps(Deoptimization::Reason_intrinsic)) return false;
a61af66fc99e Initial load duke parents: diff changeset	3497
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3498 Node* array = null_check(argument(0));
0 a61af66fc99e Initial load duke parents: diff changeset	3499 // If array is dead, only null-path is taken.
a61af66fc99e Initial load duke parents: diff changeset	3500 if (stopped()) return true;
a61af66fc99e Initial load duke parents: diff changeset	3501
a61af66fc99e Initial load duke parents: diff changeset	3502 // Deoptimize if it is a non-array.
a61af66fc99e Initial load duke parents: diff changeset	3503 Node* non_array = generate_non_array_guard(load_object_klass(array), NULL);
a61af66fc99e Initial load duke parents: diff changeset	3504
a61af66fc99e Initial load duke parents: diff changeset	3505 if (non_array != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	3506 PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	3507 set_control(non_array);
a61af66fc99e Initial load duke parents: diff changeset	3508 uncommon_trap(Deoptimization::Reason_intrinsic,
a61af66fc99e Initial load duke parents: diff changeset	3509 Deoptimization::Action_maybe_recompile);
a61af66fc99e Initial load duke parents: diff changeset	3510 }
a61af66fc99e Initial load duke parents: diff changeset	3511
a61af66fc99e Initial load duke parents: diff changeset	3512 // If control is dead, only non-array-path is taken.
a61af66fc99e Initial load duke parents: diff changeset	3513 if (stopped()) return true;
a61af66fc99e Initial load duke parents: diff changeset	3514
a61af66fc99e Initial load duke parents: diff changeset	3515 // The works fine even if the array type is polymorphic.
a61af66fc99e Initial load duke parents: diff changeset	3516 // It could be a dynamic mix of int[], boolean[], Object[], etc.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3517 Node* result = load_array_length(array);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3518
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3519 C->set_has_split_ifs(true); // Has chance for split-if optimization
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3520 set_result(result);
0 a61af66fc99e Initial load duke parents: diff changeset	3521 return true;
a61af66fc99e Initial load duke parents: diff changeset	3522 }
a61af66fc99e Initial load duke parents: diff changeset	3523
a61af66fc99e Initial load duke parents: diff changeset	3524 //------------------------inline_array_copyOf----------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3525 // public static <T,U> T[] java.util.Arrays.copyOf( U[] original, int newLength, Class<? extends T[]> newType);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3526 // public static <T,U> T[] java.util.Arrays.copyOfRange(U[] original, int from, int to, Class<? extends T[]> newType);
0 a61af66fc99e Initial load duke parents: diff changeset	3527 bool LibraryCallKit::inline_array_copyOf(bool is_copyOfRange) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3528 return false;
0 a61af66fc99e Initial load duke parents: diff changeset	3529 if (too_many_traps(Deoptimization::Reason_intrinsic)) return false;
a61af66fc99e Initial load duke parents: diff changeset	3530
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3531 // Get the arguments.
0 a61af66fc99e Initial load duke parents: diff changeset	3532 Node* original = argument(0);
a61af66fc99e Initial load duke parents: diff changeset	3533 Node* start = is_copyOfRange? argument(1): intcon(0);
a61af66fc99e Initial load duke parents: diff changeset	3534 Node* end = is_copyOfRange? argument(2): argument(1);
a61af66fc99e Initial load duke parents: diff changeset	3535 Node* array_type_mirror = is_copyOfRange? argument(3): argument(2);
a61af66fc99e Initial load duke parents: diff changeset	3536
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3537 Node* newcopy;
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3538
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3539 // Set the original stack and the reexecute bit for the interpreter to reexecute
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3540 // the bytecode that invokes Arrays.copyOf if deoptimization happens.
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3541 { PreserveReexecuteState preexecs(this);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3542 jvms()->set_should_reexecute(true);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3543
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3544 array_type_mirror = null_check(array_type_mirror);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3545 original = null_check(original);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3546
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3547 // Check if a null path was taken unconditionally.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3548 if (stopped()) return true;
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3549
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3550 Node* orig_length = load_array_length(original);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3551
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3552 Node* klass_node = load_klass_from_mirror(array_type_mirror, false, NULL, 0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3553 klass_node = null_check(klass_node);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3554
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3555 RegionNode* bailout = new (C) RegionNode(1);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3556 record_for_igvn(bailout);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3557
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3558 // Despite the generic type of Arrays.copyOf, the mirror might be int, int[], etc.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3559 // Bail out if that is so.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3560 Node* not_objArray = generate_non_objArray_guard(klass_node, bailout);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3561 if (not_objArray != NULL) {
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3562 // Improve the klass node's type from the new optimistic assumption:
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3563 ciKlass* ak = ciArrayKlass::make(env()->Object_klass());
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3564 const Type* akls = TypeKlassPtr::make(TypePtr::NotNull, ak, 0/offset/);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3565 Node* cast = new (C) CastPPNode(klass_node, akls);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3566 cast->init_req(0, control());
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3567 klass_node = _gvn.transform(cast);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3568 }
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3569
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3570 // Bail out if either start or end is negative.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3571 generate_negative_guard(start, bailout, &start);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3572 generate_negative_guard(end, bailout, &end);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3573
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3574 Node* length = end;
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3575 if (_gvn.type(start) != TypeInt::ZERO) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3576 length = _gvn.transform(new (C) SubINode(end, start));
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3577 }
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3578
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3579 // Bail out if length is negative.
6180 eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3580 // Without this the new_array would throw
eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3581 // NegativeArraySizeException but IllegalArgumentException is what
eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3582 // should be thrown
eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3583 generate_negative_guard(length, bailout, &length);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3584
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3585 if (bailout->req() > 1) {
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3586 PreserveJVMState pjvms(this);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3587 set_control(_gvn.transform(bailout));
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3588 uncommon_trap(Deoptimization::Reason_intrinsic,
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3589 Deoptimization::Action_maybe_recompile);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3590 }
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3591
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3592 if (!stopped()) {
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3593 // How many elements will we copy from the original?
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3594 // The answer is MinI(orig_length - start, length).
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3595 Node* orig_tail = _gvn.transform(new (C) SubINode(orig_length, start));
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3596 Node* moved = generate_min_max(vmIntrinsics::_min, orig_tail, length);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3597
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3598 newcopy = new_array(klass_node, length, 0); // no argments to push
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3599
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3600 // Generate a direct call to the right arraycopy function(s).
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3601 // We know the copy is disjoint but we might not know if the
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3602 // oop stores need checking.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3603 // Extreme case: Arrays.copyOf((Integer[])x, 10, String[].class).
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3604 // This will fail a store-check if x contains any non-nulls.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3605 bool disjoint_bases = true;
6180 eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3606 // if start > orig_length then the length of the copy may be
eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3607 // negative.
eeb819cf36e5 7174363: Arrays.copyOfRange leads to VM crash with -Xcomp -server if executed by testing framework roland parents: 6143 diff changeset	3608 bool length_never_negative = !is_copyOfRange;
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3609 generate_arraycopy(TypeAryPtr::OOPS, T_OBJECT,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3610 original, start, newcopy, intcon(0), moved,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	3611 disjoint_bases, length_never_negative);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	3612 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3613 } // original reexecute is set back here
0 a61af66fc99e Initial load duke parents: diff changeset	3614
a61af66fc99e Initial load duke parents: diff changeset	3615 C->set_has_split_ifs(true); // Has chance for split-if optimization
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3616 if (!stopped()) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3617 set_result(newcopy);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3618 }
0 a61af66fc99e Initial load duke parents: diff changeset	3619 return true;
a61af66fc99e Initial load duke parents: diff changeset	3620 }
a61af66fc99e Initial load duke parents: diff changeset	3621
a61af66fc99e Initial load duke parents: diff changeset	3622
a61af66fc99e Initial load duke parents: diff changeset	3623 //----------------------generate_virtual_guard---------------------------
a61af66fc99e Initial load duke parents: diff changeset	3624 // Helper for hashCode and clone. Peeks inside the vtable to avoid a call.
a61af66fc99e Initial load duke parents: diff changeset	3625 Node* LibraryCallKit::generate_virtual_guard(Node* obj_klass,
a61af66fc99e Initial load duke parents: diff changeset	3626 RegionNode* slow_region) {
a61af66fc99e Initial load duke parents: diff changeset	3627 ciMethod* method = callee();
a61af66fc99e Initial load duke parents: diff changeset	3628 int vtable_index = method->vtable_index();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	3629 // Get the Method* out of the appropriate vtable entry.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	3630 int entry_offset = (InstanceKlass::vtable_start_offset() +
0 a61af66fc99e Initial load duke parents: diff changeset	3631 vtable_indexvtableEntry::size()) wordSize +
a61af66fc99e Initial load duke parents: diff changeset	3632 vtableEntry::method_offset_in_bytes();
a61af66fc99e Initial load duke parents: diff changeset	3633 Node* entry_addr = basic_plus_adr(obj_klass, entry_offset);
6888 cfe522e6461c 8000623: tools/javac/Diagnostics/6769027/T6769027.java crashes in PSPromotionManager::copy_to_survivor_space kvn parents: 6853 diff changeset	3634 Node* target_call = make_load(NULL, entry_addr, TypePtr::NOTNULL, T_ADDRESS);
0 a61af66fc99e Initial load duke parents: diff changeset	3635
a61af66fc99e Initial load duke parents: diff changeset	3636 // Compare the target method with the expected method (e.g., Object.hashCode).
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	3637 const TypePtr* native_call_addr = TypeMetadataPtr::make(method);
0 a61af66fc99e Initial load duke parents: diff changeset	3638
a61af66fc99e Initial load duke parents: diff changeset	3639 Node* native_call = makecon(native_call_addr);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3640 Node* chk_native = _gvn.transform( new(C) CmpPNode(target_call, native_call) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3641 Node* test_native = _gvn.transform( new(C) BoolNode(chk_native, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	3642
a61af66fc99e Initial load duke parents: diff changeset	3643 return generate_slow_guard(test_native, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	3644 }
a61af66fc99e Initial load duke parents: diff changeset	3645
a61af66fc99e Initial load duke parents: diff changeset	3646 //-----------------------generate_method_call----------------------------
a61af66fc99e Initial load duke parents: diff changeset	3647 // Use generate_method_call to make a slow-call to the real
a61af66fc99e Initial load duke parents: diff changeset	3648 // method if the fast path fails. An alternative would be to
a61af66fc99e Initial load duke parents: diff changeset	3649 // use a stub like OptoRuntime::slow_arraycopy_Java.
a61af66fc99e Initial load duke parents: diff changeset	3650 // This only works for expanding the current library call,
a61af66fc99e Initial load duke parents: diff changeset	3651 // not another intrinsic. (E.g., don't use this for making an
a61af66fc99e Initial load duke parents: diff changeset	3652 // arraycopy call inside of the copyOf intrinsic.)
a61af66fc99e Initial load duke parents: diff changeset	3653 CallJavaNode*
a61af66fc99e Initial load duke parents: diff changeset	3654 LibraryCallKit::generate_method_call(vmIntrinsics::ID method_id, bool is_virtual, bool is_static) {
a61af66fc99e Initial load duke parents: diff changeset	3655 // When compiling the intrinsic method itself, do not use this technique.
a61af66fc99e Initial load duke parents: diff changeset	3656 guarantee(callee() != C->method(), "cannot make slow-call to self");
a61af66fc99e Initial load duke parents: diff changeset	3657
a61af66fc99e Initial load duke parents: diff changeset	3658 ciMethod* method = callee();
a61af66fc99e Initial load duke parents: diff changeset	3659 // ensure the JVMS we have will be correct for this call
a61af66fc99e Initial load duke parents: diff changeset	3660 guarantee(method_id == method->intrinsic_id(), "must match");
a61af66fc99e Initial load duke parents: diff changeset	3661
a61af66fc99e Initial load duke parents: diff changeset	3662 const TypeFunc* tf = TypeFunc::make(method);
a61af66fc99e Initial load duke parents: diff changeset	3663 CallJavaNode* slow_call;
a61af66fc99e Initial load duke parents: diff changeset	3664 if (is_static) {
a61af66fc99e Initial load duke parents: diff changeset	3665 assert(!is_virtual, "");
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3666 slow_call = new(C) CallStaticJavaNode(tf,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3667 SharedRuntime::get_resolve_static_call_stub(),
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3668 method, bci());
0 a61af66fc99e Initial load duke parents: diff changeset	3669 } else if (is_virtual) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3670 null_check_receiver();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	3671 int vtable_index = Method::invalid_vtable_index;
0 a61af66fc99e Initial load duke parents: diff changeset	3672 if (UseInlineCaches) {
a61af66fc99e Initial load duke parents: diff changeset	3673 // Suppress the vtable call
a61af66fc99e Initial load duke parents: diff changeset	3674 } else {
a61af66fc99e Initial load duke parents: diff changeset	3675 // hashCode and clone are not a miranda methods,
a61af66fc99e Initial load duke parents: diff changeset	3676 // so the vtable index is fixed.
a61af66fc99e Initial load duke parents: diff changeset	3677 // No need to use the linkResolver to get it.
a61af66fc99e Initial load duke parents: diff changeset	3678 vtable_index = method->vtable_index();
a61af66fc99e Initial load duke parents: diff changeset	3679 }
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3680 slow_call = new(C) CallDynamicJavaNode(tf,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3681 SharedRuntime::get_resolve_virtual_call_stub(),
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3682 method, vtable_index, bci());
0 a61af66fc99e Initial load duke parents: diff changeset	3683 } else { // neither virtual nor static: opt_virtual
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3684 null_check_receiver();
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3685 slow_call = new(C) CallStaticJavaNode(tf,
0 a61af66fc99e Initial load duke parents: diff changeset	3686 SharedRuntime::get_resolve_opt_virtual_call_stub(),
a61af66fc99e Initial load duke parents: diff changeset	3687 method, bci());
a61af66fc99e Initial load duke parents: diff changeset	3688 slow_call->set_optimized_virtual(true);
a61af66fc99e Initial load duke parents: diff changeset	3689 }
a61af66fc99e Initial load duke parents: diff changeset	3690 set_arguments_for_java_call(slow_call);
a61af66fc99e Initial load duke parents: diff changeset	3691 set_edges_for_java_call(slow_call);
a61af66fc99e Initial load duke parents: diff changeset	3692 return slow_call;
a61af66fc99e Initial load duke parents: diff changeset	3693 }
a61af66fc99e Initial load duke parents: diff changeset	3694
a61af66fc99e Initial load duke parents: diff changeset	3695
a61af66fc99e Initial load duke parents: diff changeset	3696 //------------------------------inline_native_hashcode--------------------
a61af66fc99e Initial load duke parents: diff changeset	3697 // Build special case code for calls to hashCode on an object.
a61af66fc99e Initial load duke parents: diff changeset	3698 bool LibraryCallKit::inline_native_hashcode(bool is_virtual, bool is_static) {
a61af66fc99e Initial load duke parents: diff changeset	3699 assert(is_static == callee()->is_static(), "correct intrinsic selection");
a61af66fc99e Initial load duke parents: diff changeset	3700 assert(!(is_virtual && is_static), "either virtual, special, or static");
a61af66fc99e Initial load duke parents: diff changeset	3701
a61af66fc99e Initial load duke parents: diff changeset	3702 enum { _slow_path = 1, _fast_path, _null_path, PATH_LIMIT };
a61af66fc99e Initial load duke parents: diff changeset	3703
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3704 RegionNode* result_reg = new(C) RegionNode(PATH_LIMIT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3705 PhiNode* result_val = new(C) PhiNode(result_reg,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3706 TypeInt::INT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3707 PhiNode* result_io = new(C) PhiNode(result_reg, Type::ABIO);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3708 PhiNode* result_mem = new(C) PhiNode(result_reg, Type::MEMORY,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3709 TypePtr::BOTTOM);
0 a61af66fc99e Initial load duke parents: diff changeset	3710 Node* obj = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3711 if (!is_static) {
a61af66fc99e Initial load duke parents: diff changeset	3712 // Check for hashing null object
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3713 obj = null_check_receiver();
0 a61af66fc99e Initial load duke parents: diff changeset	3714 if (stopped()) return true; // unconditionally null
a61af66fc99e Initial load duke parents: diff changeset	3715 result_reg->init_req(_null_path, top());
a61af66fc99e Initial load duke parents: diff changeset	3716 result_val->init_req(_null_path, top());
a61af66fc99e Initial load duke parents: diff changeset	3717 } else {
a61af66fc99e Initial load duke parents: diff changeset	3718 // Do a null check, and return zero if null.
a61af66fc99e Initial load duke parents: diff changeset	3719 // System.identityHashCode(null) == 0
a61af66fc99e Initial load duke parents: diff changeset	3720 obj = argument(0);
a61af66fc99e Initial load duke parents: diff changeset	3721 Node* null_ctl = top();
a61af66fc99e Initial load duke parents: diff changeset	3722 obj = null_check_oop(obj, &null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3723 result_reg->init_req(_null_path, null_ctl);
a61af66fc99e Initial load duke parents: diff changeset	3724 result_val->init_req(_null_path, _gvn.intcon(0));
a61af66fc99e Initial load duke parents: diff changeset	3725 }
a61af66fc99e Initial load duke parents: diff changeset	3726
a61af66fc99e Initial load duke parents: diff changeset	3727 // Unconditionally null? Then return right away.
a61af66fc99e Initial load duke parents: diff changeset	3728 if (stopped()) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3729 set_control( result_reg->in(_null_path));
0 a61af66fc99e Initial load duke parents: diff changeset	3730 if (!stopped())
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3731 set_result(result_val->in(_null_path));
0 a61af66fc99e Initial load duke parents: diff changeset	3732 return true;
a61af66fc99e Initial load duke parents: diff changeset	3733 }
a61af66fc99e Initial load duke parents: diff changeset	3734
a61af66fc99e Initial load duke parents: diff changeset	3735 // After null check, get the object's klass.
a61af66fc99e Initial load duke parents: diff changeset	3736 Node* obj_klass = load_object_klass(obj);
a61af66fc99e Initial load duke parents: diff changeset	3737
a61af66fc99e Initial load duke parents: diff changeset	3738 // This call may be virtual (invokevirtual) or bound (invokespecial).
a61af66fc99e Initial load duke parents: diff changeset	3739 // For each case we generate slightly different code.
a61af66fc99e Initial load duke parents: diff changeset	3740
a61af66fc99e Initial load duke parents: diff changeset	3741 // We only go to the fast case code if we pass a number of guards. The
a61af66fc99e Initial load duke parents: diff changeset	3742 // paths which do not pass are accumulated in the slow_region.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3743 RegionNode* slow_region = new (C) RegionNode(1);
0 a61af66fc99e Initial load duke parents: diff changeset	3744 record_for_igvn(slow_region);
a61af66fc99e Initial load duke parents: diff changeset	3745
a61af66fc99e Initial load duke parents: diff changeset	3746 // If this is a virtual call, we generate a funny guard. We pull out
a61af66fc99e Initial load duke parents: diff changeset	3747 // the vtable entry corresponding to hashCode() from the target object.
a61af66fc99e Initial load duke parents: diff changeset	3748 // If the target method which we are calling happens to be the native
a61af66fc99e Initial load duke parents: diff changeset	3749 // Object hashCode() method, we pass the guard. We do not need this
a61af66fc99e Initial load duke parents: diff changeset	3750 // guard for non-virtual calls -- the caller is known to be the native
a61af66fc99e Initial load duke parents: diff changeset	3751 // Object hashCode().
a61af66fc99e Initial load duke parents: diff changeset	3752 if (is_virtual) {
a61af66fc99e Initial load duke parents: diff changeset	3753 generate_virtual_guard(obj_klass, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	3754 }
a61af66fc99e Initial load duke parents: diff changeset	3755
a61af66fc99e Initial load duke parents: diff changeset	3756 // Get the header out of the object, use LoadMarkNode when available
a61af66fc99e Initial load duke parents: diff changeset	3757 Node* header_addr = basic_plus_adr(obj, oopDesc::mark_offset_in_bytes());
1609 4311f23817fd 6959430: Make sure raw loads have control edge kvn parents: 1552 diff changeset	3758 Node* header = make_load(control(), header_addr, TypeX_X, TypeX_X->basic_type());
0 a61af66fc99e Initial load duke parents: diff changeset	3759
a61af66fc99e Initial load duke parents: diff changeset	3760 // Test the header to see if it is unlocked.
a61af66fc99e Initial load duke parents: diff changeset	3761 Node *lock_mask = _gvn.MakeConX(markOopDesc::biased_lock_mask_in_place);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3762 Node *lmasked_header = _gvn.transform( new (C) AndXNode(header, lock_mask) );
0 a61af66fc99e Initial load duke parents: diff changeset	3763 Node *unlocked_val = _gvn.MakeConX(markOopDesc::unlocked_value);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3764 Node *chk_unlocked = _gvn.transform( new (C) CmpXNode( lmasked_header, unlocked_val));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3765 Node *test_unlocked = _gvn.transform( new (C) BoolNode( chk_unlocked, BoolTest::ne) );
0 a61af66fc99e Initial load duke parents: diff changeset	3766
a61af66fc99e Initial load duke parents: diff changeset	3767 generate_slow_guard(test_unlocked, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	3768
a61af66fc99e Initial load duke parents: diff changeset	3769 // Get the hash value and check to see that it has been properly assigned.
a61af66fc99e Initial load duke parents: diff changeset	3770 // We depend on hash_mask being at most 32 bits and avoid the use of
a61af66fc99e Initial load duke parents: diff changeset	3771 // hash_mask_in_place because it could be larger than 32 bits in a 64-bit
a61af66fc99e Initial load duke parents: diff changeset	3772 // vm: see markOop.hpp.
a61af66fc99e Initial load duke parents: diff changeset	3773 Node *hash_mask = _gvn.intcon(markOopDesc::hash_mask);
a61af66fc99e Initial load duke parents: diff changeset	3774 Node *hash_shift = _gvn.intcon(markOopDesc::hash_shift);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3775 Node *hshifted_header= _gvn.transform( new (C) URShiftXNode(header, hash_shift) );
0 a61af66fc99e Initial load duke parents: diff changeset	3776 // This hack lets the hash bits live anywhere in the mark object now, as long
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	3777 // as the shift drops the relevant bits into the low 32 bits. Note that
0 a61af66fc99e Initial load duke parents: diff changeset	3778 // Java spec says that HashCode is an int so there's no point in capturing
a61af66fc99e Initial load duke parents: diff changeset	3779 // an 'X'-sized hashcode (32 in 32-bit build or 64 in 64-bit build).
a61af66fc99e Initial load duke parents: diff changeset	3780 hshifted_header = ConvX2I(hshifted_header);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3781 Node *hash_val = _gvn.transform( new (C) AndINode(hshifted_header, hash_mask) );
0 a61af66fc99e Initial load duke parents: diff changeset	3782
a61af66fc99e Initial load duke parents: diff changeset	3783 Node *no_hash_val = _gvn.intcon(markOopDesc::no_hash);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3784 Node *chk_assigned = _gvn.transform( new (C) CmpINode( hash_val, no_hash_val));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3785 Node *test_assigned = _gvn.transform( new (C) BoolNode( chk_assigned, BoolTest::eq) );
0 a61af66fc99e Initial load duke parents: diff changeset	3786
a61af66fc99e Initial load duke parents: diff changeset	3787 generate_slow_guard(test_assigned, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	3788
a61af66fc99e Initial load duke parents: diff changeset	3789 Node* init_mem = reset_memory();
a61af66fc99e Initial load duke parents: diff changeset	3790 // fill in the rest of the null path:
a61af66fc99e Initial load duke parents: diff changeset	3791 result_io ->init_req(_null_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3792 result_mem->init_req(_null_path, init_mem);
a61af66fc99e Initial load duke parents: diff changeset	3793
a61af66fc99e Initial load duke parents: diff changeset	3794 result_val->init_req(_fast_path, hash_val);
a61af66fc99e Initial load duke parents: diff changeset	3795 result_reg->init_req(_fast_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3796 result_io ->init_req(_fast_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3797 result_mem->init_req(_fast_path, init_mem);
a61af66fc99e Initial load duke parents: diff changeset	3798
a61af66fc99e Initial load duke parents: diff changeset	3799 // Generate code for the slow case. We make a call to hashCode().
a61af66fc99e Initial load duke parents: diff changeset	3800 set_control(_gvn.transform(slow_region));
a61af66fc99e Initial load duke parents: diff changeset	3801 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	3802 // No need for PreserveJVMState, because we're using up the present state.
a61af66fc99e Initial load duke parents: diff changeset	3803 set_all_memory(init_mem);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3804 vmIntrinsics::ID hashCode_id = is_static ? vmIntrinsics::_identityHashCode : vmIntrinsics::_hashCode;
0 a61af66fc99e Initial load duke parents: diff changeset	3805 CallJavaNode* slow_call = generate_method_call(hashCode_id, is_virtual, is_static);
a61af66fc99e Initial load duke parents: diff changeset	3806 Node* slow_result = set_results_for_java_call(slow_call);
a61af66fc99e Initial load duke parents: diff changeset	3807 // this->control() comes from set_results_for_java_call
a61af66fc99e Initial load duke parents: diff changeset	3808 result_reg->init_req(_slow_path, control());
a61af66fc99e Initial load duke parents: diff changeset	3809 result_val->init_req(_slow_path, slow_result);
a61af66fc99e Initial load duke parents: diff changeset	3810 result_io ->set_req(_slow_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	3811 result_mem ->set_req(_slow_path, reset_memory());
a61af66fc99e Initial load duke parents: diff changeset	3812 }
a61af66fc99e Initial load duke parents: diff changeset	3813
a61af66fc99e Initial load duke parents: diff changeset	3814 // Return the combined state.
a61af66fc99e Initial load duke parents: diff changeset	3815 set_i_o( _gvn.transform(result_io) );
a61af66fc99e Initial load duke parents: diff changeset	3816 set_all_memory( _gvn.transform(result_mem) );
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3817
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3818 set_result(result_reg, result_val);
0 a61af66fc99e Initial load duke parents: diff changeset	3819 return true;
a61af66fc99e Initial load duke parents: diff changeset	3820 }
a61af66fc99e Initial load duke parents: diff changeset	3821
a61af66fc99e Initial load duke parents: diff changeset	3822 //---------------------------inline_native_getClass----------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3823 // public final native Class<?> java.lang.Object.getClass();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3824 //
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	3825 // Build special case code for calls to getClass on an object.
0 a61af66fc99e Initial load duke parents: diff changeset	3826 bool LibraryCallKit::inline_native_getClass() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3827 Node* obj = null_check_receiver();
0 a61af66fc99e Initial load duke parents: diff changeset	3828 if (stopped()) return true;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3829 set_result(load_mirror_from_klass(load_object_klass(obj)));
0 a61af66fc99e Initial load duke parents: diff changeset	3830 return true;
a61af66fc99e Initial load duke parents: diff changeset	3831 }
a61af66fc99e Initial load duke parents: diff changeset	3832
a61af66fc99e Initial load duke parents: diff changeset	3833 //-----------------inline_native_Reflection_getCallerClass---------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3834 // public static native Class<?> sun.reflect.Reflection.getCallerClass(int realFramesToSkip);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3835 //
0 a61af66fc99e Initial load duke parents: diff changeset	3836 // In the presence of deep enough inlining, getCallerClass() becomes a no-op.
a61af66fc99e Initial load duke parents: diff changeset	3837 //
a61af66fc99e Initial load duke parents: diff changeset	3838 // NOTE that this code must perform the same logic as
a61af66fc99e Initial load duke parents: diff changeset	3839 // vframeStream::security_get_caller_frame in that it must skip
a61af66fc99e Initial load duke parents: diff changeset	3840 // Method.invoke() and auxiliary frames.
a61af66fc99e Initial load duke parents: diff changeset	3841 bool LibraryCallKit::inline_native_Reflection_getCallerClass() {
a61af66fc99e Initial load duke parents: diff changeset	3842 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3843 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3844 tty->print_cr("Attempting to inline sun.reflect.Reflection.getCallerClass");
a61af66fc99e Initial load duke parents: diff changeset	3845 }
a61af66fc99e Initial load duke parents: diff changeset	3846 #endif
a61af66fc99e Initial load duke parents: diff changeset	3847
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3848 Node* caller_depth_node = argument(0);
0 a61af66fc99e Initial load duke parents: diff changeset	3849
a61af66fc99e Initial load duke parents: diff changeset	3850 // The depth value must be a constant in order for the runtime call
a61af66fc99e Initial load duke parents: diff changeset	3851 // to be eliminated.
a61af66fc99e Initial load duke parents: diff changeset	3852 const TypeInt* caller_depth_type = _gvn.type(caller_depth_node)->isa_int();
a61af66fc99e Initial load duke parents: diff changeset	3853 if (caller_depth_type == NULL \|\| !caller_depth_type->is_con()) {
a61af66fc99e Initial load duke parents: diff changeset	3854 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3855 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3856 tty->print_cr(" Bailing out because caller depth was not a constant");
a61af66fc99e Initial load duke parents: diff changeset	3857 }
a61af66fc99e Initial load duke parents: diff changeset	3858 #endif
a61af66fc99e Initial load duke parents: diff changeset	3859 return false;
a61af66fc99e Initial load duke parents: diff changeset	3860 }
a61af66fc99e Initial load duke parents: diff changeset	3861 // Note that the JVM state at this point does not include the
a61af66fc99e Initial load duke parents: diff changeset	3862 // getCallerClass() frame which we are trying to inline. The
a61af66fc99e Initial load duke parents: diff changeset	3863 // semantics of getCallerClass(), however, are that the "first"
a61af66fc99e Initial load duke parents: diff changeset	3864 // frame is the getCallerClass() frame, so we subtract one from the
a61af66fc99e Initial load duke parents: diff changeset	3865 // requested depth before continuing. We don't inline requests of
a61af66fc99e Initial load duke parents: diff changeset	3866 // getCallerClass(0).
a61af66fc99e Initial load duke parents: diff changeset	3867 int caller_depth = caller_depth_type->get_con() - 1;
a61af66fc99e Initial load duke parents: diff changeset	3868 if (caller_depth < 0) {
a61af66fc99e Initial load duke parents: diff changeset	3869 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3870 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3871 tty->print_cr(" Bailing out because caller depth was %d", caller_depth);
a61af66fc99e Initial load duke parents: diff changeset	3872 }
a61af66fc99e Initial load duke parents: diff changeset	3873 #endif
a61af66fc99e Initial load duke parents: diff changeset	3874 return false;
a61af66fc99e Initial load duke parents: diff changeset	3875 }
a61af66fc99e Initial load duke parents: diff changeset	3876
a61af66fc99e Initial load duke parents: diff changeset	3877 if (!jvms()->has_method()) {
a61af66fc99e Initial load duke parents: diff changeset	3878 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3879 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3880 tty->print_cr(" Bailing out because intrinsic was inlined at top level");
a61af66fc99e Initial load duke parents: diff changeset	3881 }
a61af66fc99e Initial load duke parents: diff changeset	3882 #endif
a61af66fc99e Initial load duke parents: diff changeset	3883 return false;
a61af66fc99e Initial load duke parents: diff changeset	3884 }
a61af66fc99e Initial load duke parents: diff changeset	3885 int _depth = jvms()->depth(); // cache call chain depth
a61af66fc99e Initial load duke parents: diff changeset	3886
a61af66fc99e Initial load duke parents: diff changeset	3887 // Walk back up the JVM state to find the caller at the required
a61af66fc99e Initial load duke parents: diff changeset	3888 // depth. NOTE that this code must perform the same logic as
a61af66fc99e Initial load duke parents: diff changeset	3889 // vframeStream::security_get_caller_frame in that it must skip
a61af66fc99e Initial load duke parents: diff changeset	3890 // Method.invoke() and auxiliary frames. Note also that depth is
a61af66fc99e Initial load duke parents: diff changeset	3891 // 1-based (1 is the bottom of the inlining).
a61af66fc99e Initial load duke parents: diff changeset	3892 int inlining_depth = _depth;
a61af66fc99e Initial load duke parents: diff changeset	3893 JVMState* caller_jvms = NULL;
a61af66fc99e Initial load duke parents: diff changeset	3894
a61af66fc99e Initial load duke parents: diff changeset	3895 if (inlining_depth > 0) {
a61af66fc99e Initial load duke parents: diff changeset	3896 caller_jvms = jvms();
a61af66fc99e Initial load duke parents: diff changeset	3897 assert(caller_jvms = jvms()->of_depth(inlining_depth), "inlining_depth == our depth");
a61af66fc99e Initial load duke parents: diff changeset	3898 do {
a61af66fc99e Initial load duke parents: diff changeset	3899 // The following if-tests should be performed in this order
a61af66fc99e Initial load duke parents: diff changeset	3900 if (is_method_invoke_or_aux_frame(caller_jvms)) {
a61af66fc99e Initial load duke parents: diff changeset	3901 // Skip a Method.invoke() or auxiliary frame
a61af66fc99e Initial load duke parents: diff changeset	3902 } else if (caller_depth > 0) {
a61af66fc99e Initial load duke parents: diff changeset	3903 // Skip real frame
a61af66fc99e Initial load duke parents: diff changeset	3904 --caller_depth;
a61af66fc99e Initial load duke parents: diff changeset	3905 } else {
a61af66fc99e Initial load duke parents: diff changeset	3906 // We're done: reached desired caller after skipping.
a61af66fc99e Initial load duke parents: diff changeset	3907 break;
a61af66fc99e Initial load duke parents: diff changeset	3908 }
a61af66fc99e Initial load duke parents: diff changeset	3909 caller_jvms = caller_jvms->caller();
a61af66fc99e Initial load duke parents: diff changeset	3910 --inlining_depth;
a61af66fc99e Initial load duke parents: diff changeset	3911 } while (inlining_depth > 0);
a61af66fc99e Initial load duke parents: diff changeset	3912 }
a61af66fc99e Initial load duke parents: diff changeset	3913
a61af66fc99e Initial load duke parents: diff changeset	3914 if (inlining_depth == 0) {
a61af66fc99e Initial load duke parents: diff changeset	3915 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3916 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3917 tty->print_cr(" Bailing out because caller depth (%d) exceeded inlining depth (%d)", caller_depth_type->get_con(), _depth);
a61af66fc99e Initial load duke parents: diff changeset	3918 tty->print_cr(" JVM state at this point:");
a61af66fc99e Initial load duke parents: diff changeset	3919 for (int i = _depth; i >= 1; i--) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3920 ciMethod* m = jvms()->of_depth(i)->method();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3921 tty->print_cr(" %d) %s.%s", i, m->holder()->name()->as_utf8(), m->name()->as_utf8());
0 a61af66fc99e Initial load duke parents: diff changeset	3922 }
a61af66fc99e Initial load duke parents: diff changeset	3923 }
a61af66fc99e Initial load duke parents: diff changeset	3924 #endif
a61af66fc99e Initial load duke parents: diff changeset	3925 return false; // Reached end of inlining
a61af66fc99e Initial load duke parents: diff changeset	3926 }
a61af66fc99e Initial load duke parents: diff changeset	3927
a61af66fc99e Initial load duke parents: diff changeset	3928 // Acquire method holder as java.lang.Class
a61af66fc99e Initial load duke parents: diff changeset	3929 ciInstanceKlass* caller_klass = caller_jvms->method()->holder();
a61af66fc99e Initial load duke parents: diff changeset	3930 ciInstance* caller_mirror = caller_klass->java_mirror();
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3931
0 a61af66fc99e Initial load duke parents: diff changeset	3932 // Push this as a constant
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3933 set_result(makecon(TypeInstPtr::make(caller_mirror)));
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3934
0 a61af66fc99e Initial load duke parents: diff changeset	3935 #ifndef PRODUCT
a61af66fc99e Initial load duke parents: diff changeset	3936 if ((PrintIntrinsics \|\| PrintInlining \|\| PrintOptoInlining) && Verbose) {
a61af66fc99e Initial load duke parents: diff changeset	3937 tty->print_cr(" Succeeded: caller = %s.%s, caller depth = %d, depth = %d", caller_klass->name()->as_utf8(), caller_jvms->method()->name()->as_utf8(), caller_depth_type->get_con(), _depth);
a61af66fc99e Initial load duke parents: diff changeset	3938 tty->print_cr(" JVM state at this point:");
a61af66fc99e Initial load duke parents: diff changeset	3939 for (int i = _depth; i >= 1; i--) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3940 ciMethod* m = jvms()->of_depth(i)->method();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3941 tty->print_cr(" %d) %s.%s", i, m->holder()->name()->as_utf8(), m->name()->as_utf8());
0 a61af66fc99e Initial load duke parents: diff changeset	3942 }
a61af66fc99e Initial load duke parents: diff changeset	3943 }
a61af66fc99e Initial load duke parents: diff changeset	3944 #endif
a61af66fc99e Initial load duke parents: diff changeset	3945 return true;
a61af66fc99e Initial load duke parents: diff changeset	3946 }
a61af66fc99e Initial load duke parents: diff changeset	3947
a61af66fc99e Initial load duke parents: diff changeset	3948 // Helper routine for above
a61af66fc99e Initial load duke parents: diff changeset	3949 bool LibraryCallKit::is_method_invoke_or_aux_frame(JVMState* jvms) {
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3950 ciMethod* method = jvms->method();
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3951
0 a61af66fc99e Initial load duke parents: diff changeset	3952 // Is this the Method.invoke method itself?
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3953 if (method->intrinsic_id() == vmIntrinsics::_invoke)
0 a61af66fc99e Initial load duke parents: diff changeset	3954 return true;
a61af66fc99e Initial load duke parents: diff changeset	3955
a61af66fc99e Initial load duke parents: diff changeset	3956 // Is this a helper, defined somewhere underneath MethodAccessorImpl.
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3957 ciKlass* k = method->holder();
0 a61af66fc99e Initial load duke parents: diff changeset	3958 if (k->is_instance_klass()) {
a61af66fc99e Initial load duke parents: diff changeset	3959 ciInstanceKlass* ik = k->as_instance_klass();
a61af66fc99e Initial load duke parents: diff changeset	3960 for (; ik != NULL; ik = ik->super()) {
a61af66fc99e Initial load duke parents: diff changeset	3961 if (ik->name() == ciSymbol::sun_reflect_MethodAccessorImpl() &&
a61af66fc99e Initial load duke parents: diff changeset	3962 ik == env()->find_system_klass(ik->name())) {
a61af66fc99e Initial load duke parents: diff changeset	3963 return true;
a61af66fc99e Initial load duke parents: diff changeset	3964 }
a61af66fc99e Initial load duke parents: diff changeset	3965 }
a61af66fc99e Initial load duke parents: diff changeset	3966 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6205 diff changeset	3967 else if (method->is_method_handle_intrinsic() \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 6205 diff changeset	3968 method->is_compiled_lambda_form()) {
1152 cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3969 // This is an internal adapter frame from the MethodHandleCompiler -- skip it
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3970 return true;
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters twisti parents: 1027 diff changeset	3971 }
0 a61af66fc99e Initial load duke parents: diff changeset	3972
a61af66fc99e Initial load duke parents: diff changeset	3973 return false;
a61af66fc99e Initial load duke parents: diff changeset	3974 }
a61af66fc99e Initial load duke parents: diff changeset	3975
a61af66fc99e Initial load duke parents: diff changeset	3976 bool LibraryCallKit::inline_fp_conversions(vmIntrinsics::ID id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3977 Node* arg = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3978 Node* result;
0 a61af66fc99e Initial load duke parents: diff changeset	3979
a61af66fc99e Initial load duke parents: diff changeset	3980 switch (id) {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3981 case vmIntrinsics::_floatToRawIntBits: result = new (C) MoveF2INode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3982 case vmIntrinsics::_intBitsToFloat: result = new (C) MoveI2FNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3983 case vmIntrinsics::_doubleToRawLongBits: result = new (C) MoveD2LNode(arg); break;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3984 case vmIntrinsics::_longBitsToDouble: result = new (C) MoveL2DNode(arg); break;
0 a61af66fc99e Initial load duke parents: diff changeset	3985
a61af66fc99e Initial load duke parents: diff changeset	3986 case vmIntrinsics::_doubleToLongBits: {
a61af66fc99e Initial load duke parents: diff changeset	3987 // two paths (plus control) merge in a wood
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3988 RegionNode *r = new (C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3989 Node *phi = new (C) PhiNode(r, TypeLong::LONG);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	3990
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3991 Node *cmpisnan = _gvn.transform(new (C) CmpDNode(arg, arg));
0 a61af66fc99e Initial load duke parents: diff changeset	3992 // Build the boolean node
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	3993 Node *bolisnan = _gvn.transform(new (C) BoolNode(cmpisnan, BoolTest::ne));
0 a61af66fc99e Initial load duke parents: diff changeset	3994
a61af66fc99e Initial load duke parents: diff changeset	3995 // Branch either way.
a61af66fc99e Initial load duke parents: diff changeset	3996 // NaN case is less traveled, which makes all the difference.
a61af66fc99e Initial load duke parents: diff changeset	3997 IfNode *ifisnan = create_and_xform_if(control(), bolisnan, PROB_STATIC_FREQUENT, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	3998 Node *opt_isnan = _gvn.transform(ifisnan);
a61af66fc99e Initial load duke parents: diff changeset	3999 assert( opt_isnan->is_If(), "Expect an IfNode");
a61af66fc99e Initial load duke parents: diff changeset	4000 IfNode opt_ifisnan = (IfNode)opt_isnan;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4001 Node *iftrue = _gvn.transform( new (C) IfTrueNode(opt_ifisnan) );
0 a61af66fc99e Initial load duke parents: diff changeset	4002
a61af66fc99e Initial load duke parents: diff changeset	4003 set_control(iftrue);
a61af66fc99e Initial load duke parents: diff changeset	4004
a61af66fc99e Initial load duke parents: diff changeset	4005 static const jlong nan_bits = CONST64(0x7ff8000000000000);
a61af66fc99e Initial load duke parents: diff changeset	4006 Node *slow_result = longcon(nan_bits); // return NaN
a61af66fc99e Initial load duke parents: diff changeset	4007 phi->init_req(1, _gvn.transform( slow_result ));
a61af66fc99e Initial load duke parents: diff changeset	4008 r->init_req(1, iftrue);
a61af66fc99e Initial load duke parents: diff changeset	4009
a61af66fc99e Initial load duke parents: diff changeset	4010 // Else fall through
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4011 Node *iffalse = _gvn.transform(new (C) IfFalseNode(opt_ifisnan));
0 a61af66fc99e Initial load duke parents: diff changeset	4012 set_control(iffalse);
a61af66fc99e Initial load duke parents: diff changeset	4013
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4014 phi->init_req(2, _gvn.transform(new (C) MoveD2LNode(arg)));
0 a61af66fc99e Initial load duke parents: diff changeset	4015 r->init_req(2, iffalse);
a61af66fc99e Initial load duke parents: diff changeset	4016
a61af66fc99e Initial load duke parents: diff changeset	4017 // Post merge
a61af66fc99e Initial load duke parents: diff changeset	4018 set_control(_gvn.transform(r));
a61af66fc99e Initial load duke parents: diff changeset	4019 record_for_igvn(r);
a61af66fc99e Initial load duke parents: diff changeset	4020
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4021 C->set_has_split_ifs(true); // Has chance for split-if optimization
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4022 result = phi;
0 a61af66fc99e Initial load duke parents: diff changeset	4023 assert(result->bottom_type()->isa_long(), "must be");
a61af66fc99e Initial load duke parents: diff changeset	4024 break;
a61af66fc99e Initial load duke parents: diff changeset	4025 }
a61af66fc99e Initial load duke parents: diff changeset	4026
a61af66fc99e Initial load duke parents: diff changeset	4027 case vmIntrinsics::_floatToIntBits: {
a61af66fc99e Initial load duke parents: diff changeset	4028 // two paths (plus control) merge in a wood
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4029 RegionNode *r = new (C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4030 Node *phi = new (C) PhiNode(r, TypeInt::INT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4031
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4032 Node *cmpisnan = _gvn.transform(new (C) CmpFNode(arg, arg));
0 a61af66fc99e Initial load duke parents: diff changeset	4033 // Build the boolean node
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4034 Node *bolisnan = _gvn.transform(new (C) BoolNode(cmpisnan, BoolTest::ne));
0 a61af66fc99e Initial load duke parents: diff changeset	4035
a61af66fc99e Initial load duke parents: diff changeset	4036 // Branch either way.
a61af66fc99e Initial load duke parents: diff changeset	4037 // NaN case is less traveled, which makes all the difference.
a61af66fc99e Initial load duke parents: diff changeset	4038 IfNode *ifisnan = create_and_xform_if(control(), bolisnan, PROB_STATIC_FREQUENT, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	4039 Node *opt_isnan = _gvn.transform(ifisnan);
a61af66fc99e Initial load duke parents: diff changeset	4040 assert( opt_isnan->is_If(), "Expect an IfNode");
a61af66fc99e Initial load duke parents: diff changeset	4041 IfNode opt_ifisnan = (IfNode)opt_isnan;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4042 Node *iftrue = _gvn.transform( new (C) IfTrueNode(opt_ifisnan) );
0 a61af66fc99e Initial load duke parents: diff changeset	4043
a61af66fc99e Initial load duke parents: diff changeset	4044 set_control(iftrue);
a61af66fc99e Initial load duke parents: diff changeset	4045
a61af66fc99e Initial load duke parents: diff changeset	4046 static const jint nan_bits = 0x7fc00000;
a61af66fc99e Initial load duke parents: diff changeset	4047 Node *slow_result = makecon(TypeInt::make(nan_bits)); // return NaN
a61af66fc99e Initial load duke parents: diff changeset	4048 phi->init_req(1, _gvn.transform( slow_result ));
a61af66fc99e Initial load duke parents: diff changeset	4049 r->init_req(1, iftrue);
a61af66fc99e Initial load duke parents: diff changeset	4050
a61af66fc99e Initial load duke parents: diff changeset	4051 // Else fall through
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4052 Node *iffalse = _gvn.transform(new (C) IfFalseNode(opt_ifisnan));
0 a61af66fc99e Initial load duke parents: diff changeset	4053 set_control(iffalse);
a61af66fc99e Initial load duke parents: diff changeset	4054
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4055 phi->init_req(2, _gvn.transform(new (C) MoveF2INode(arg)));
0 a61af66fc99e Initial load duke parents: diff changeset	4056 r->init_req(2, iffalse);
a61af66fc99e Initial load duke parents: diff changeset	4057
a61af66fc99e Initial load duke parents: diff changeset	4058 // Post merge
a61af66fc99e Initial load duke parents: diff changeset	4059 set_control(_gvn.transform(r));
a61af66fc99e Initial load duke parents: diff changeset	4060 record_for_igvn(r);
a61af66fc99e Initial load duke parents: diff changeset	4061
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4062 C->set_has_split_ifs(true); // Has chance for split-if optimization
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4063 result = phi;
0 a61af66fc99e Initial load duke parents: diff changeset	4064 assert(result->bottom_type()->isa_int(), "must be");
a61af66fc99e Initial load duke parents: diff changeset	4065 break;
a61af66fc99e Initial load duke parents: diff changeset	4066 }
a61af66fc99e Initial load duke parents: diff changeset	4067
a61af66fc99e Initial load duke parents: diff changeset	4068 default:
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4069 fatal_unexpected_iid(id);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4070 break;
0 a61af66fc99e Initial load duke parents: diff changeset	4071 }
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4072 set_result(_gvn.transform(result));
0 a61af66fc99e Initial load duke parents: diff changeset	4073 return true;
a61af66fc99e Initial load duke parents: diff changeset	4074 }
a61af66fc99e Initial load duke parents: diff changeset	4075
a61af66fc99e Initial load duke parents: diff changeset	4076 #ifdef _LP64
a61af66fc99e Initial load duke parents: diff changeset	4077 #define XTOP ,top() /additional argument/
a61af66fc99e Initial load duke parents: diff changeset	4078 #else //_LP64
a61af66fc99e Initial load duke parents: diff changeset	4079 #define XTOP /no additional argument/
a61af66fc99e Initial load duke parents: diff changeset	4080 #endif //_LP64
a61af66fc99e Initial load duke parents: diff changeset	4081
a61af66fc99e Initial load duke parents: diff changeset	4082 //----------------------inline_unsafe_copyMemory-------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4083 // public native void sun.misc.Unsafe.copyMemory(Object srcBase, long srcOffset, Object destBase, long destOffset, long bytes);
0 a61af66fc99e Initial load duke parents: diff changeset	4084 bool LibraryCallKit::inline_unsafe_copyMemory() {
a61af66fc99e Initial load duke parents: diff changeset	4085 if (callee()->is_static()) return false; // caller must have the capability!
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4086 null_check_receiver(); // null-check receiver
0 a61af66fc99e Initial load duke parents: diff changeset	4087 if (stopped()) return true;
a61af66fc99e Initial load duke parents: diff changeset	4088
a61af66fc99e Initial load duke parents: diff changeset	4089 C->set_has_unsafe_access(true); // Mark eventual nmethod as "unsafe".
a61af66fc99e Initial load duke parents: diff changeset	4090
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4091 Node* src_ptr = argument(1); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4092 Node* src_off = ConvL2X(argument(2)); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4093 Node* dst_ptr = argument(4); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4094 Node* dst_off = ConvL2X(argument(5)); // type: long
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4095 Node* size = ConvL2X(argument(7)); // type: long
0 a61af66fc99e Initial load duke parents: diff changeset	4096
a61af66fc99e Initial load duke parents: diff changeset	4097 assert(Unsafe_field_offset_to_byte_offset(11) == 11,
a61af66fc99e Initial load duke parents: diff changeset	4098 "fieldOffset must be byte-scaled");
a61af66fc99e Initial load duke parents: diff changeset	4099
a61af66fc99e Initial load duke parents: diff changeset	4100 Node* src = make_unsafe_address(src_ptr, src_off);
a61af66fc99e Initial load duke parents: diff changeset	4101 Node* dst = make_unsafe_address(dst_ptr, dst_off);
a61af66fc99e Initial load duke parents: diff changeset	4102
a61af66fc99e Initial load duke parents: diff changeset	4103 // Conservatively insert a memory barrier on all memory slices.
a61af66fc99e Initial load duke parents: diff changeset	4104 // Do not let writes of the copy source or destination float below the copy.
a61af66fc99e Initial load duke parents: diff changeset	4105 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	4106
a61af66fc99e Initial load duke parents: diff changeset	4107 // Call it. Note that the length argument is not scaled.
a61af66fc99e Initial load duke parents: diff changeset	4108 make_runtime_call(RC_LEAF\|RC_NO_FP,
a61af66fc99e Initial load duke parents: diff changeset	4109 OptoRuntime::fast_arraycopy_Type(),
a61af66fc99e Initial load duke parents: diff changeset	4110 StubRoutines::unsafe_arraycopy(),
a61af66fc99e Initial load duke parents: diff changeset	4111 "unsafe_arraycopy",
a61af66fc99e Initial load duke parents: diff changeset	4112 TypeRawPtr::BOTTOM,
a61af66fc99e Initial load duke parents: diff changeset	4113 src, dst, size XTOP);
a61af66fc99e Initial load duke parents: diff changeset	4114
a61af66fc99e Initial load duke parents: diff changeset	4115 // Do not let reads of the copy destination float above the copy.
a61af66fc99e Initial load duke parents: diff changeset	4116 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	4117
a61af66fc99e Initial load duke parents: diff changeset	4118 return true;
a61af66fc99e Initial load duke parents: diff changeset	4119 }
a61af66fc99e Initial load duke parents: diff changeset	4120
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4121 //------------------------clone_coping-----------------------------------
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4122 // Helper function for inline_native_clone.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4123 void LibraryCallKit::copy_to_clone(Node* obj, Node* alloc_obj, Node* obj_size, bool is_array, bool card_mark) {
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4124 assert(obj_size != NULL, "");
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4125 Node* raw_obj = alloc_obj->in(1);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4126 assert(alloc_obj->is_CheckCastPP() && raw_obj->is_Proj() && raw_obj->in(0)->is_Allocate(), "");
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4127
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4128 AllocateNode* alloc = NULL;
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4129 if (ReduceBulkZeroing) {
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4130 // We will be completely responsible for initializing this object -
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4131 // mark Initialize node as complete.
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4132 alloc = AllocateNode::Ideal_allocation(alloc_obj, &_gvn);
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4133 // The object was just allocated - there should be no any stores!
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4134 guarantee(alloc != NULL && alloc->maybe_set_complete(&_gvn), "");
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4135 // Mark as complete_with_arraycopy so that on AllocateNode
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4136 // expansion, we know this AllocateNode is initialized by an array
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4137 // copy and a StoreStore barrier exists after the array copy.
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4138 alloc->initialization()->set_complete_with_arraycopy();
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4139 }
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4140
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4141 // Copy the fastest available way.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4142 // TODO: generate fields copies for small objects instead.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4143 Node* src = obj;
958 c7e94e8fff43 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) kvn parents: 950 diff changeset	4144 Node* dest = alloc_obj;
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4145 Node* size = _gvn.transform(obj_size);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4146
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4147 // Exclude the header but include array length to copy by 8 bytes words.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4148 // Can't use base_offset_in_bytes(bt) since basic type is unknown.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4149 int base_off = is_array ? arrayOopDesc::length_offset_in_bytes() :
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4150 instanceOopDesc::base_offset_in_bytes();
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4151 // base_off:
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4152 // 8 - 32-bit VM
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	4153 // 12 - 64-bit VM, compressed klass
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	4154 // 16 - 64-bit VM, normal klass
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4155 if (base_off % BytesPerLong != 0) {
6848 8e47bac5643a 7054512: Compress class pointers after perm gen removal roland parents: 6847 diff changeset	4156 assert(UseCompressedKlassPointers, "");
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4157 if (is_array) {
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4158 // Exclude length to copy by 8 bytes words.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4159 base_off += sizeof(int);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4160 } else {
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4161 // Include klass to copy by 8 bytes words.
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4162 base_off = instanceOopDesc::klass_offset_in_bytes();
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4163 }
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4164 assert(base_off % BytesPerLong == 0, "expect 8 bytes alignment");
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4165 }
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4166 src = basic_plus_adr(src, base_off);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4167 dest = basic_plus_adr(dest, base_off);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4168
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4169 // Compute the length also, if needed:
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4170 Node* countx = size;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4171 countx = _gvn.transform( new (C) SubXNode(countx, MakeConX(base_off)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4172 countx = _gvn.transform( new (C) URShiftXNode(countx, intcon(LogBytesPerLong) ));
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4173
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4174 const TypePtr* raw_adr_type = TypeRawPtr::BOTTOM;
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4175 bool disjoint_bases = true;
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4176 generate_unchecked_arraycopy(raw_adr_type, T_LONG, disjoint_bases,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4177 src, NULL, dest, NULL, countx,
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4178 /dest_uninitialized/true);
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4179
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4180 // If necessary, emit some card marks afterwards. (Non-arrays only.)
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4181 if (card_mark) {
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4182 assert(!is_array, "");
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4183 // Put in store barrier for any and all oops we are sticking
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4184 // into this object. (We could avoid this if we could prove
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4185 // that the object type contains no oop fields at all.)
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4186 Node* no_particular_value = NULL;
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4187 Node* no_particular_field = NULL;
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4188 int raw_adr_idx = Compile::AliasIdxRaw;
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4189 post_barrier(control(),
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4190 memory(raw_adr_type),
958 c7e94e8fff43 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) kvn parents: 950 diff changeset	4191 alloc_obj,
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4192 no_particular_field,
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4193 raw_adr_idx,
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4194 no_particular_value,
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4195 T_OBJECT,
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4196 false);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4197 }
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4198
958 c7e94e8fff43 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) kvn parents: 950 diff changeset	4199 // Do not let reads from the cloned object float above the arraycopy.
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4200 if (alloc != NULL) {
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4201 // Do not let stores that initialize this object be reordered with
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4202 // a subsequent store that would make this object accessible by
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4203 // other threads.
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4204 // Record what AllocateNode this StoreStore protects so that
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4205 // escape analysis can go from the MemBarStoreStoreNode to the
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4206 // AllocateNode and eliminate the MemBarStoreStoreNode if possible
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4207 // based on the escape status of the AllocateNode.
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4208 insert_mem_bar(Op_MemBarStoreStore, alloc->proj_out(AllocateNode::RawAddress));
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4209 } else {
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4210 insert_mem_bar(Op_MemBarCPUOrder);
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4211 }
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4212 }
0 a61af66fc99e Initial load duke parents: diff changeset	4213
a61af66fc99e Initial load duke parents: diff changeset	4214 //------------------------inline_native_clone----------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4215 // protected native Object java.lang.Object.clone();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4216 //
0 a61af66fc99e Initial load duke parents: diff changeset	4217 // Here are the simple edge cases:
a61af66fc99e Initial load duke parents: diff changeset	4218 // null receiver => normal trap
a61af66fc99e Initial load duke parents: diff changeset	4219 // virtual and clone was overridden => slow path to out-of-line clone
a61af66fc99e Initial load duke parents: diff changeset	4220 // not cloneable or finalizer => slow path to out-of-line Object.clone
a61af66fc99e Initial load duke parents: diff changeset	4221 //
a61af66fc99e Initial load duke parents: diff changeset	4222 // The general case has two steps, allocation and copying.
a61af66fc99e Initial load duke parents: diff changeset	4223 // Allocation has two cases, and uses GraphKit::new_instance or new_array.
a61af66fc99e Initial load duke parents: diff changeset	4224 //
a61af66fc99e Initial load duke parents: diff changeset	4225 // Copying also has two cases, oop arrays and everything else.
a61af66fc99e Initial load duke parents: diff changeset	4226 // Oop arrays use arrayof_oop_arraycopy (same as System.arraycopy).
a61af66fc99e Initial load duke parents: diff changeset	4227 // Everything else uses the tight inline loop supplied by CopyArrayNode.
a61af66fc99e Initial load duke parents: diff changeset	4228 //
a61af66fc99e Initial load duke parents: diff changeset	4229 // These steps fold up nicely if and when the cloned object's klass
a61af66fc99e Initial load duke parents: diff changeset	4230 // can be sharply typed as an object array, a type array, or an instance.
a61af66fc99e Initial load duke parents: diff changeset	4231 //
a61af66fc99e Initial load duke parents: diff changeset	4232 bool LibraryCallKit::inline_native_clone(bool is_virtual) {
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4233 PhiNode* result_val;
0 a61af66fc99e Initial load duke parents: diff changeset	4234
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4235 // Set the reexecute bit for the interpreter to reexecute
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4236 // the bytecode that invokes Object.clone if deoptimization happens.
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4237 { PreserveReexecuteState preexecs(this);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4238 jvms()->set_should_reexecute(true);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4239
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4240 Node* obj = null_check_receiver();
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4241 if (stopped()) return true;
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4242
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4243 Node* obj_klass = load_object_klass(obj);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4244 const TypeKlassPtr* tklass = _gvn.type(obj_klass)->isa_klassptr();
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4245 const TypeOopPtr* toop = ((tklass != NULL)
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4246 ? tklass->as_instance_type()
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4247 : TypeInstPtr::NOTNULL);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4248
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4249 // Conservatively insert a memory barrier on all memory slices.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4250 // Do not let writes into the original float below the clone.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4251 insert_mem_bar(Op_MemBarCPUOrder);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4252
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4253 // paths into result_reg:
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4254 enum {
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4255 _slow_path = 1, // out-of-line call to clone method (virtual or not)
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4256 _objArray_path, // plain array allocation, plus arrayof_oop_arraycopy
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4257 _array_path, // plain array allocation, plus arrayof_long_arraycopy
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4258 _instance_path, // plain instance allocation, plus arrayof_long_arraycopy
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4259 PATH_LIMIT
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4260 };
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4261 RegionNode* result_reg = new(C) RegionNode(PATH_LIMIT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4262 result_val = new(C) PhiNode(result_reg,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4263 TypeInstPtr::NOTNULL);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4264 PhiNode* result_i_o = new(C) PhiNode(result_reg, Type::ABIO);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4265 PhiNode* result_mem = new(C) PhiNode(result_reg, Type::MEMORY,
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4266 TypePtr::BOTTOM);
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4267 record_for_igvn(result_reg);
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4268
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4269 const TypePtr* raw_adr_type = TypeRawPtr::BOTTOM;
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4270 int raw_adr_idx = Compile::AliasIdxRaw;
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4271
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4272 Node* array_ctl = generate_array_guard(obj_klass, (RegionNode*)NULL);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4273 if (array_ctl != NULL) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4274 // It's an array.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4275 PreserveJVMState pjvms(this);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4276 set_control(array_ctl);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4277 Node* obj_length = load_array_length(obj);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4278 Node* obj_size = NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4279 Node* alloc_obj = new_array(obj_klass, obj_length, 0, &obj_size); // no arguments to push
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4280
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4281 if (!use_ReduceInitialCardMarks()) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4282 // If it is an oop array, it requires very special treatment,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4283 // because card marking is required on each card of the array.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4284 Node* is_obja = generate_objArray_guard(obj_klass, (RegionNode*)NULL);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4285 if (is_obja != NULL) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4286 PreserveJVMState pjvms2(this);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4287 set_control(is_obja);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4288 // Generate a direct call to the right arraycopy function(s).
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4289 bool disjoint_bases = true;
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4290 bool length_never_negative = true;
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4291 generate_arraycopy(TypeAryPtr::OOPS, T_OBJECT,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4292 obj, intcon(0), alloc_obj, intcon(0),
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4293 obj_length,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4294 disjoint_bases, length_never_negative);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4295 result_reg->init_req(_objArray_path, control());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4296 result_val->init_req(_objArray_path, alloc_obj);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4297 result_i_o ->set_req(_objArray_path, i_o());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4298 result_mem ->set_req(_objArray_path, reset_memory());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4299 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4300 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4301 // Otherwise, there are no card marks to worry about.
1027 39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4302 // (We can dispense with card marks if we know the allocation
39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4303 // comes out of eden (TLAB)... In fact, ReduceInitialCardMarks
39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4304 // causes the non-eden paths to take compensating steps to
39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4305 // simulate a fresh allocation, so that no further
39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4306 // card marks are required in compiled code to initialize
39b01ab7035a 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning ysr parents: 986 diff changeset	4307 // the object.)
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4308
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4309 if (!stopped()) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4310 copy_to_clone(obj, alloc_obj, obj_size, true, false);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4311
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4312 // Present the results of the copy.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4313 result_reg->init_req(_array_path, control());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4314 result_val->init_req(_array_path, alloc_obj);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4315 result_i_o ->set_req(_array_path, i_o());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4316 result_mem ->set_req(_array_path, reset_memory());
0 a61af66fc99e Initial load duke parents: diff changeset	4317 }
a61af66fc99e Initial load duke parents: diff changeset	4318 }
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4319
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4320 // We only go to the instance fast case code if we pass a number of guards.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4321 // The paths which do not pass are accumulated in the slow_region.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4322 RegionNode* slow_region = new (C) RegionNode(1);
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4323 record_for_igvn(slow_region);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4324 if (!stopped()) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4325 // It's an instance (we did array above). Make the slow-path tests.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4326 // If this is a virtual call, we generate a funny guard. We grab
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4327 // the vtable entry corresponding to clone() from the target object.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4328 // If the target method which we are calling happens to be the
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4329 // Object clone() method, we pass the guard. We do not need this
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4330 // guard for non-virtual calls; the caller is known to be the native
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4331 // Object clone().
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4332 if (is_virtual) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4333 generate_virtual_guard(obj_klass, slow_region);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4334 }
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4335
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4336 // The object must be cloneable and must not have a finalizer.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4337 // Both of these conditions may be checked in a single test.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4338 // We could optimize the cloneable test further, but we don't care.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4339 generate_access_flags_guard(obj_klass,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4340 // Test both conditions:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4341 JVM_ACC_IS_CLONEABLE \| JVM_ACC_HAS_FINALIZER,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4342 // Must be cloneable but not finalizer:
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4343 JVM_ACC_IS_CLONEABLE,
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4344 slow_region);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4345 }
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4346
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4347 if (!stopped()) {
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4348 // It's an instance, and it passed the slow-path tests.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4349 PreserveJVMState pjvms(this);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4350 Node* obj_size = NULL;
3278 66b0e2371912 7026700: regression in 6u24-rev-b23: Crash in C2 compiler in PhaseIdealLoop::build_loop_late_post kvn parents: 2446 diff changeset	4351 Node* alloc_obj = new_instance(obj_klass, NULL, &obj_size);
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4352
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4353 copy_to_clone(obj, alloc_obj, obj_size, false, !use_ReduceInitialCardMarks());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4354
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4355 // Present the results of the slow call.
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4356 result_reg->init_req(_instance_path, control());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4357 result_val->init_req(_instance_path, alloc_obj);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4358 result_i_o ->set_req(_instance_path, i_o());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4359 result_mem ->set_req(_instance_path, reset_memory());
0 a61af66fc99e Initial load duke parents: diff changeset	4360 }
a61af66fc99e Initial load duke parents: diff changeset	4361
900 9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4362 // Generate code for the slow case. We make a call to clone().
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4363 set_control(_gvn.transform(slow_region));
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4364 if (!stopped()) {
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4365 PreserveJVMState pjvms(this);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4366 CallJavaNode* slow_call = generate_method_call(vmIntrinsics::_clone, is_virtual);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4367 Node* slow_result = set_results_for_java_call(slow_call);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4368 // this->control() comes from set_results_for_java_call
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4369 result_reg->init_req(_slow_path, control());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4370 result_val->init_req(_slow_path, slow_result);
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4371 result_i_o ->set_req(_slow_path, i_o());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4372 result_mem ->set_req(_slow_path, reset_memory());
9987d9d5eb0e 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot cfang parents: 896 diff changeset	4373 }
902 fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4374
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4375 // Return the combined state.
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4376 set_control( _gvn.transform(result_reg) );
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4377 set_i_o( _gvn.transform(result_i_o) );
fc2281ddce3c 6868269: CompileTheWorld assertion failure introduced by the reexecute bit implementation cfang parents: 900 diff changeset	4378 set_all_memory( _gvn.transform(result_mem) );
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4379 } // original reexecute is set back here
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4380
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4381 set_result(_gvn.transform(result_val));
0 a61af66fc99e Initial load duke parents: diff changeset	4382 return true;
a61af66fc99e Initial load duke parents: diff changeset	4383 }
a61af66fc99e Initial load duke parents: diff changeset	4384
a61af66fc99e Initial load duke parents: diff changeset	4385 //------------------------------basictype2arraycopy----------------------------
a61af66fc99e Initial load duke parents: diff changeset	4386 address LibraryCallKit::basictype2arraycopy(BasicType t,
a61af66fc99e Initial load duke parents: diff changeset	4387 Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	4388 Node* dest_offset,
a61af66fc99e Initial load duke parents: diff changeset	4389 bool disjoint_bases,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4390 const char* &name,
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4391 bool dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	4392 const TypeInt* src_offset_inttype = gvn().find_int_type(src_offset);;
a61af66fc99e Initial load duke parents: diff changeset	4393 const TypeInt* dest_offset_inttype = gvn().find_int_type(dest_offset);;
a61af66fc99e Initial load duke parents: diff changeset	4394
a61af66fc99e Initial load duke parents: diff changeset	4395 bool aligned = false;
a61af66fc99e Initial load duke parents: diff changeset	4396 bool disjoint = disjoint_bases;
a61af66fc99e Initial load duke parents: diff changeset	4397
a61af66fc99e Initial load duke parents: diff changeset	4398 // if the offsets are the same, we can treat the memory regions as
a61af66fc99e Initial load duke parents: diff changeset	4399 // disjoint, because either the memory regions are in different arrays,
a61af66fc99e Initial load duke parents: diff changeset	4400 // or they are identical (which we can treat as disjoint.) We can also
a61af66fc99e Initial load duke parents: diff changeset	4401 // treat a copy with a destination index less that the source index
a61af66fc99e Initial load duke parents: diff changeset	4402 // as disjoint since a low->high copy will work correctly in this case.
a61af66fc99e Initial load duke parents: diff changeset	4403 if (src_offset_inttype != NULL && src_offset_inttype->is_con() &&
a61af66fc99e Initial load duke parents: diff changeset	4404 dest_offset_inttype != NULL && dest_offset_inttype->is_con()) {
a61af66fc99e Initial load duke parents: diff changeset	4405 // both indices are constants
a61af66fc99e Initial load duke parents: diff changeset	4406 int s_offs = src_offset_inttype->get_con();
a61af66fc99e Initial load duke parents: diff changeset	4407 int d_offs = dest_offset_inttype->get_con();
29 d5fc211aea19 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM kvn parents: 0 diff changeset	4408 int element_size = type2aelembytes(t);
0 a61af66fc99e Initial load duke parents: diff changeset	4409 aligned = ((arrayOopDesc::base_offset_in_bytes(t) + s_offs * element_size) % HeapWordSize == 0) &&
a61af66fc99e Initial load duke parents: diff changeset	4410 ((arrayOopDesc::base_offset_in_bytes(t) + d_offs * element_size) % HeapWordSize == 0);
a61af66fc99e Initial load duke parents: diff changeset	4411 if (s_offs >= d_offs) disjoint = true;
a61af66fc99e Initial load duke parents: diff changeset	4412 } else if (src_offset == dest_offset && src_offset != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4413 // This can occur if the offsets are identical non-constants.
a61af66fc99e Initial load duke parents: diff changeset	4414 disjoint = true;
a61af66fc99e Initial load duke parents: diff changeset	4415 }
a61af66fc99e Initial load duke parents: diff changeset	4416
2446 13bc79b5c9c8 7033154: Improve C1 arraycopy performance roland parents: 2444 diff changeset	4417 return StubRoutines::select_arraycopy_function(t, aligned, disjoint, name, dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	4418 }
a61af66fc99e Initial load duke parents: diff changeset	4419
a61af66fc99e Initial load duke parents: diff changeset	4420
a61af66fc99e Initial load duke parents: diff changeset	4421 //------------------------------inline_arraycopy-----------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4422 // public static native void java.lang.System.arraycopy(Object src, int srcPos,
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4423 // Object dest, int destPos,
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4424 // int length);
0 a61af66fc99e Initial load duke parents: diff changeset	4425 bool LibraryCallKit::inline_arraycopy() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4426 // Get the arguments.
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4427 Node* src = argument(0); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4428 Node* src_offset = argument(1); // type: int
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4429 Node* dest = argument(2); // type: oop
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4430 Node* dest_offset = argument(3); // type: int
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4431 Node* length = argument(4); // type: int
0 a61af66fc99e Initial load duke parents: diff changeset	4432
a61af66fc99e Initial load duke parents: diff changeset	4433 // Compile time checks. If any of these checks cannot be verified at compile time,
a61af66fc99e Initial load duke parents: diff changeset	4434 // we do not make a fast path for this call. Instead, we let the call remain as it
a61af66fc99e Initial load duke parents: diff changeset	4435 // is. The checks we choose to mandate at compile time are:
a61af66fc99e Initial load duke parents: diff changeset	4436 //
a61af66fc99e Initial load duke parents: diff changeset	4437 // (1) src and dest are arrays.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4438 const Type* src_type = src->Value(&_gvn);
0 a61af66fc99e Initial load duke parents: diff changeset	4439 const Type* dest_type = dest->Value(&_gvn);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4440 const TypeAryPtr* top_src = src_type->isa_aryptr();
0 a61af66fc99e Initial load duke parents: diff changeset	4441 const TypeAryPtr* top_dest = dest_type->isa_aryptr();
a61af66fc99e Initial load duke parents: diff changeset	4442 if (top_src == NULL \|\| top_src->klass() == NULL \|\|
a61af66fc99e Initial load duke parents: diff changeset	4443 top_dest == NULL \|\| top_dest->klass() == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4444 // Conservatively insert a memory barrier on all memory slices.
a61af66fc99e Initial load duke parents: diff changeset	4445 // Do not let writes into the source float below the arraycopy.
a61af66fc99e Initial load duke parents: diff changeset	4446 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	4447
a61af66fc99e Initial load duke parents: diff changeset	4448 // Call StubRoutines::generic_arraycopy stub.
a61af66fc99e Initial load duke parents: diff changeset	4449 generate_arraycopy(TypeRawPtr::BOTTOM, T_CONFLICT,
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4450 src, src_offset, dest, dest_offset, length);
0 a61af66fc99e Initial load duke parents: diff changeset	4451
a61af66fc99e Initial load duke parents: diff changeset	4452 // Do not let reads from the destination float above the arraycopy.
a61af66fc99e Initial load duke parents: diff changeset	4453 // Since we cannot type the arrays, we don't know which slices
a61af66fc99e Initial load duke parents: diff changeset	4454 // might be affected. We could restrict this barrier only to those
a61af66fc99e Initial load duke parents: diff changeset	4455 // memory slices which pertain to array elements--but don't bother.
a61af66fc99e Initial load duke parents: diff changeset	4456 if (!InsertMemBarAfterArraycopy)
a61af66fc99e Initial load duke parents: diff changeset	4457 // (If InsertMemBarAfterArraycopy, there is already one in place.)
a61af66fc99e Initial load duke parents: diff changeset	4458 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	4459 return true;
a61af66fc99e Initial load duke parents: diff changeset	4460 }
a61af66fc99e Initial load duke parents: diff changeset	4461
a61af66fc99e Initial load duke parents: diff changeset	4462 // (2) src and dest arrays must have elements of the same BasicType
a61af66fc99e Initial load duke parents: diff changeset	4463 // Figure out the size and type of the elements we will be copying.
a61af66fc99e Initial load duke parents: diff changeset	4464 BasicType src_elem = top_src->klass()->as_array_klass()->element_type()->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	4465 BasicType dest_elem = top_dest->klass()->as_array_klass()->element_type()->basic_type();
a61af66fc99e Initial load duke parents: diff changeset	4466 if (src_elem == T_ARRAY) src_elem = T_OBJECT;
a61af66fc99e Initial load duke parents: diff changeset	4467 if (dest_elem == T_ARRAY) dest_elem = T_OBJECT;
a61af66fc99e Initial load duke parents: diff changeset	4468
a61af66fc99e Initial load duke parents: diff changeset	4469 if (src_elem != dest_elem \|\| dest_elem == T_VOID) {
a61af66fc99e Initial load duke parents: diff changeset	4470 // The component types are not the same or are not recognized. Punt.
a61af66fc99e Initial load duke parents: diff changeset	4471 // (But, avoid the native method wrapper to JVM_ArrayCopy.)
a61af66fc99e Initial load duke parents: diff changeset	4472 generate_slow_arraycopy(TypePtr::BOTTOM,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4473 src, src_offset, dest, dest_offset, length,
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4474 /dest_uninitialized/false);
0 a61af66fc99e Initial load duke parents: diff changeset	4475 return true;
a61af66fc99e Initial load duke parents: diff changeset	4476 }
a61af66fc99e Initial load duke parents: diff changeset	4477
a61af66fc99e Initial load duke parents: diff changeset	4478 //---------------------------------------------------------------------------
a61af66fc99e Initial load duke parents: diff changeset	4479 // We will make a fast path for this call to arraycopy.
a61af66fc99e Initial load duke parents: diff changeset	4480
a61af66fc99e Initial load duke parents: diff changeset	4481 // We have the following tests left to perform:
a61af66fc99e Initial load duke parents: diff changeset	4482 //
a61af66fc99e Initial load duke parents: diff changeset	4483 // (3) src and dest must not be null.
a61af66fc99e Initial load duke parents: diff changeset	4484 // (4) src_offset must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4485 // (5) dest_offset must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4486 // (6) length must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4487 // (7) src_offset + length must not exceed length of src.
a61af66fc99e Initial load duke parents: diff changeset	4488 // (8) dest_offset + length must not exceed length of dest.
a61af66fc99e Initial load duke parents: diff changeset	4489 // (9) each element of an oop array must be assignable
a61af66fc99e Initial load duke parents: diff changeset	4490
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4491 RegionNode* slow_region = new (C) RegionNode(1);
0 a61af66fc99e Initial load duke parents: diff changeset	4492 record_for_igvn(slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4493
a61af66fc99e Initial load duke parents: diff changeset	4494 // (3) operands must not be null
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4495 // We currently perform our null checks with the null_check routine.
0 a61af66fc99e Initial load duke parents: diff changeset	4496 // This means that the null exceptions will be reported in the caller
a61af66fc99e Initial load duke parents: diff changeset	4497 // rather than (correctly) reported inside of the native arraycopy call.
a61af66fc99e Initial load duke parents: diff changeset	4498 // This should be corrected, given time. We do our null check with the
a61af66fc99e Initial load duke parents: diff changeset	4499 // stack pointer restored.
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4500 src = null_check(src, T_ARRAY);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4501 dest = null_check(dest, T_ARRAY);
0 a61af66fc99e Initial load duke parents: diff changeset	4502
a61af66fc99e Initial load duke parents: diff changeset	4503 // (4) src_offset must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4504 generate_negative_guard(src_offset, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4505
a61af66fc99e Initial load duke parents: diff changeset	4506 // (5) dest_offset must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4507 generate_negative_guard(dest_offset, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4508
a61af66fc99e Initial load duke parents: diff changeset	4509 // (6) length must not be negative (moved to generate_arraycopy()).
a61af66fc99e Initial load duke parents: diff changeset	4510 // generate_negative_guard(length, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4511
a61af66fc99e Initial load duke parents: diff changeset	4512 // (7) src_offset + length must not exceed length of src.
a61af66fc99e Initial load duke parents: diff changeset	4513 generate_limit_guard(src_offset, length,
a61af66fc99e Initial load duke parents: diff changeset	4514 load_array_length(src),
a61af66fc99e Initial load duke parents: diff changeset	4515 slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4516
a61af66fc99e Initial load duke parents: diff changeset	4517 // (8) dest_offset + length must not exceed length of dest.
a61af66fc99e Initial load duke parents: diff changeset	4518 generate_limit_guard(dest_offset, length,
a61af66fc99e Initial load duke parents: diff changeset	4519 load_array_length(dest),
a61af66fc99e Initial load duke parents: diff changeset	4520 slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4521
a61af66fc99e Initial load duke parents: diff changeset	4522 // (9) each element of an oop array must be assignable
a61af66fc99e Initial load duke parents: diff changeset	4523 // The generate_arraycopy subroutine checks this.
a61af66fc99e Initial load duke parents: diff changeset	4524
a61af66fc99e Initial load duke parents: diff changeset	4525 // This is where the memory effects are placed:
a61af66fc99e Initial load duke parents: diff changeset	4526 const TypePtr* adr_type = TypeAryPtr::get_array_body_type(dest_elem);
a61af66fc99e Initial load duke parents: diff changeset	4527 generate_arraycopy(adr_type, dest_elem,
a61af66fc99e Initial load duke parents: diff changeset	4528 src, src_offset, dest, dest_offset, length,
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4529 false, false, slow_region);
0 a61af66fc99e Initial load duke parents: diff changeset	4530
a61af66fc99e Initial load duke parents: diff changeset	4531 return true;
a61af66fc99e Initial load duke parents: diff changeset	4532 }
a61af66fc99e Initial load duke parents: diff changeset	4533
a61af66fc99e Initial load duke parents: diff changeset	4534 //-----------------------------generate_arraycopy----------------------
a61af66fc99e Initial load duke parents: diff changeset	4535 // Generate an optimized call to arraycopy.
a61af66fc99e Initial load duke parents: diff changeset	4536 // Caller must guard against non-arrays.
a61af66fc99e Initial load duke parents: diff changeset	4537 // Caller must determine a common array basic-type for both arrays.
a61af66fc99e Initial load duke parents: diff changeset	4538 // Caller must validate offsets against array bounds.
a61af66fc99e Initial load duke parents: diff changeset	4539 // The slow_region has already collected guard failure paths
a61af66fc99e Initial load duke parents: diff changeset	4540 // (such as out of bounds length or non-conformable array types).
a61af66fc99e Initial load duke parents: diff changeset	4541 // The generated code has this shape, in general:
a61af66fc99e Initial load duke parents: diff changeset	4542 //
a61af66fc99e Initial load duke parents: diff changeset	4543 // if (length == 0) return // via zero_path
a61af66fc99e Initial load duke parents: diff changeset	4544 // slowval = -1
a61af66fc99e Initial load duke parents: diff changeset	4545 // if (types unknown) {
a61af66fc99e Initial load duke parents: diff changeset	4546 // slowval = call generic copy loop
a61af66fc99e Initial load duke parents: diff changeset	4547 // if (slowval == 0) return // via checked_path
a61af66fc99e Initial load duke parents: diff changeset	4548 // } else if (indexes in bounds) {
a61af66fc99e Initial load duke parents: diff changeset	4549 // if ((is object array) && !(array type check)) {
a61af66fc99e Initial load duke parents: diff changeset	4550 // slowval = call checked copy loop
a61af66fc99e Initial load duke parents: diff changeset	4551 // if (slowval == 0) return // via checked_path
a61af66fc99e Initial load duke parents: diff changeset	4552 // } else {
a61af66fc99e Initial load duke parents: diff changeset	4553 // call bulk copy loop
a61af66fc99e Initial load duke parents: diff changeset	4554 // return // via fast_path
a61af66fc99e Initial load duke parents: diff changeset	4555 // }
a61af66fc99e Initial load duke parents: diff changeset	4556 // }
a61af66fc99e Initial load duke parents: diff changeset	4557 // // adjust params for remaining work:
a61af66fc99e Initial load duke parents: diff changeset	4558 // if (slowval != -1) {
a61af66fc99e Initial load duke parents: diff changeset	4559 // n = -1^slowval; src_offset += n; dest_offset += n; length -= n
a61af66fc99e Initial load duke parents: diff changeset	4560 // }
a61af66fc99e Initial load duke parents: diff changeset	4561 // slow_region:
a61af66fc99e Initial load duke parents: diff changeset	4562 // call slow arraycopy(src, src_offset, dest, dest_offset, length)
a61af66fc99e Initial load duke parents: diff changeset	4563 // return // via slow_call_path
a61af66fc99e Initial load duke parents: diff changeset	4564 //
a61af66fc99e Initial load duke parents: diff changeset	4565 // This routine is used from several intrinsics: System.arraycopy,
a61af66fc99e Initial load duke parents: diff changeset	4566 // Object.clone (the array subcase), and Arrays.copyOf[Range].
a61af66fc99e Initial load duke parents: diff changeset	4567 //
a61af66fc99e Initial load duke parents: diff changeset	4568 void
a61af66fc99e Initial load duke parents: diff changeset	4569 LibraryCallKit::generate_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	4570 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4571 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	4572 Node* dest, Node* dest_offset,
a61af66fc99e Initial load duke parents: diff changeset	4573 Node* copy_length,
a61af66fc99e Initial load duke parents: diff changeset	4574 bool disjoint_bases,
a61af66fc99e Initial load duke parents: diff changeset	4575 bool length_never_negative,
a61af66fc99e Initial load duke parents: diff changeset	4576 RegionNode* slow_region) {
a61af66fc99e Initial load duke parents: diff changeset	4577
a61af66fc99e Initial load duke parents: diff changeset	4578 if (slow_region == NULL) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4579 slow_region = new(C) RegionNode(1);
0 a61af66fc99e Initial load duke parents: diff changeset	4580 record_for_igvn(slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4581 }
a61af66fc99e Initial load duke parents: diff changeset	4582
a61af66fc99e Initial load duke parents: diff changeset	4583 Node* original_dest = dest;
a61af66fc99e Initial load duke parents: diff changeset	4584 AllocateArrayNode* alloc = NULL; // used for zeroing, if needed
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4585 bool dest_uninitialized = false;
0 a61af66fc99e Initial load duke parents: diff changeset	4586
a61af66fc99e Initial load duke parents: diff changeset	4587 // See if this is the initialization of a newly-allocated array.
a61af66fc99e Initial load duke parents: diff changeset	4588 // If so, we will take responsibility here for initializing it to zero.
a61af66fc99e Initial load duke parents: diff changeset	4589 // (Note: Because tightly_coupled_allocation performs checks on the
a61af66fc99e Initial load duke parents: diff changeset	4590 // out-edges of the dest, we need to avoid making derived pointers
a61af66fc99e Initial load duke parents: diff changeset	4591 // from it until we have checked its uses.)
a61af66fc99e Initial load duke parents: diff changeset	4592 if (ReduceBulkZeroing
a61af66fc99e Initial load duke parents: diff changeset	4593 && !ZeroTLAB // pointless if already zeroed
a61af66fc99e Initial load duke parents: diff changeset	4594 && basic_elem_type != T_CONFLICT // avoid corner case
4778 35acf8f0a2e4 7128352: assert(obj_node == obj) failed kvn parents: 4771 diff changeset	4595 && !src->eqv_uncast(dest)
0 a61af66fc99e Initial load duke parents: diff changeset	4596 && ((alloc = tightly_coupled_allocation(dest, slow_region))
a61af66fc99e Initial load duke parents: diff changeset	4597 != NULL)
34 545c277a3ecf 6667581: Don't generate initialization (by 0) code for arrays with size 0 kvn parents: 29 diff changeset	4598 && _gvn.find_int_con(alloc->in(AllocateNode::ALength), 1) > 0
0 a61af66fc99e Initial load duke parents: diff changeset	4599 && alloc->maybe_set_complete(&_gvn)) {
a61af66fc99e Initial load duke parents: diff changeset	4600 // "You break it, you buy it."
a61af66fc99e Initial load duke parents: diff changeset	4601 InitializeNode* init = alloc->initialization();
a61af66fc99e Initial load duke parents: diff changeset	4602 assert(init->is_complete(), "we just did this");
3961 a92cdbac8b9e 7081933: Use zeroing elimination optimization for large array kvn parents: 3742 diff changeset	4603 init->set_complete_with_arraycopy();
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4604 assert(dest->is_CheckCastPP(), "sanity");
0 a61af66fc99e Initial load duke parents: diff changeset	4605 assert(dest->in(0)->in(0) == init, "dest pinned");
a61af66fc99e Initial load duke parents: diff changeset	4606 adr_type = TypeRawPtr::BOTTOM; // all initializations are into raw memory
a61af66fc99e Initial load duke parents: diff changeset	4607 // From this point on, every exit path is responsible for
a61af66fc99e Initial load duke parents: diff changeset	4608 // initializing any non-copied parts of the object to zero.
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4609 // Also, if this flag is set we make sure that arraycopy interacts properly
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4610 // with G1, eliding pre-barriers. See CR 6627983.
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4611 dest_uninitialized = true;
0 a61af66fc99e Initial load duke parents: diff changeset	4612 } else {
a61af66fc99e Initial load duke parents: diff changeset	4613 // No zeroing elimination here.
a61af66fc99e Initial load duke parents: diff changeset	4614 alloc = NULL;
a61af66fc99e Initial load duke parents: diff changeset	4615 //original_dest = dest;
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4616 //dest_uninitialized = false;
0 a61af66fc99e Initial load duke parents: diff changeset	4617 }
a61af66fc99e Initial load duke parents: diff changeset	4618
a61af66fc99e Initial load duke parents: diff changeset	4619 // Results are placed here:
a61af66fc99e Initial load duke parents: diff changeset	4620 enum { fast_path = 1, // normal void-returning assembly stub
a61af66fc99e Initial load duke parents: diff changeset	4621 checked_path = 2, // special assembly stub with cleanup
a61af66fc99e Initial load duke parents: diff changeset	4622 slow_call_path = 3, // something went wrong; call the VM
a61af66fc99e Initial load duke parents: diff changeset	4623 zero_path = 4, // bypass when length of copy is zero
a61af66fc99e Initial load duke parents: diff changeset	4624 bcopy_path = 5, // copy primitive array by 64-bit blocks
a61af66fc99e Initial load duke parents: diff changeset	4625 PATH_LIMIT = 6
a61af66fc99e Initial load duke parents: diff changeset	4626 };
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4627 RegionNode* result_region = new(C) RegionNode(PATH_LIMIT);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4628 PhiNode* result_i_o = new(C) PhiNode(result_region, Type::ABIO);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4629 PhiNode* result_memory = new(C) PhiNode(result_region, Type::MEMORY, adr_type);
0 a61af66fc99e Initial load duke parents: diff changeset	4630 record_for_igvn(result_region);
a61af66fc99e Initial load duke parents: diff changeset	4631 _gvn.set_type_bottom(result_i_o);
a61af66fc99e Initial load duke parents: diff changeset	4632 _gvn.set_type_bottom(result_memory);
a61af66fc99e Initial load duke parents: diff changeset	4633 assert(adr_type != TypePtr::BOTTOM, "must be RawMem or a T[] slice");
a61af66fc99e Initial load duke parents: diff changeset	4634
a61af66fc99e Initial load duke parents: diff changeset	4635 // The slow_control path:
a61af66fc99e Initial load duke parents: diff changeset	4636 Node* slow_control;
a61af66fc99e Initial load duke parents: diff changeset	4637 Node* slow_i_o = i_o();
a61af66fc99e Initial load duke parents: diff changeset	4638 Node* slow_mem = memory(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	4639 debug_only(slow_control = (Node*) badAddress);
a61af66fc99e Initial load duke parents: diff changeset	4640
a61af66fc99e Initial load duke parents: diff changeset	4641 // Checked control path:
a61af66fc99e Initial load duke parents: diff changeset	4642 Node* checked_control = top();
a61af66fc99e Initial load duke parents: diff changeset	4643 Node* checked_mem = NULL;
a61af66fc99e Initial load duke parents: diff changeset	4644 Node* checked_i_o = NULL;
a61af66fc99e Initial load duke parents: diff changeset	4645 Node* checked_value = NULL;
a61af66fc99e Initial load duke parents: diff changeset	4646
a61af66fc99e Initial load duke parents: diff changeset	4647 if (basic_elem_type == T_CONFLICT) {
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4648 assert(!dest_uninitialized, "");
0 a61af66fc99e Initial load duke parents: diff changeset	4649 Node* cv = generate_generic_arraycopy(adr_type,
a61af66fc99e Initial load duke parents: diff changeset	4650 src, src_offset, dest, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4651 copy_length, dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	4652 if (cv == NULL) cv = intcon(-1); // failure (no stub available)
a61af66fc99e Initial load duke parents: diff changeset	4653 checked_control = control();
a61af66fc99e Initial load duke parents: diff changeset	4654 checked_i_o = i_o();
a61af66fc99e Initial load duke parents: diff changeset	4655 checked_mem = memory(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	4656 checked_value = cv;
a61af66fc99e Initial load duke parents: diff changeset	4657 set_control(top()); // no fast path
a61af66fc99e Initial load duke parents: diff changeset	4658 }
a61af66fc99e Initial load duke parents: diff changeset	4659
a61af66fc99e Initial load duke parents: diff changeset	4660 Node* not_pos = generate_nonpositive_guard(copy_length, length_never_negative);
a61af66fc99e Initial load duke parents: diff changeset	4661 if (not_pos != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4662 PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	4663 set_control(not_pos);
a61af66fc99e Initial load duke parents: diff changeset	4664
a61af66fc99e Initial load duke parents: diff changeset	4665 // (6) length must not be negative.
a61af66fc99e Initial load duke parents: diff changeset	4666 if (!length_never_negative) {
a61af66fc99e Initial load duke parents: diff changeset	4667 generate_negative_guard(copy_length, slow_region);
a61af66fc99e Initial load duke parents: diff changeset	4668 }
a61af66fc99e Initial load duke parents: diff changeset	4669
836 4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4670 // copy_length is 0.
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4671 if (!stopped() && dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	4672 Node* dest_length = alloc->in(AllocateNode::ALength);
4778 35acf8f0a2e4 7128352: assert(obj_node == obj) failed kvn parents: 4771 diff changeset	4673 if (copy_length->eqv_uncast(dest_length)
0 a61af66fc99e Initial load duke parents: diff changeset	4674 \|\| _gvn.find_int_con(dest_length, 1) <= 0) {
836 4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4675 // There is no zeroing to do. No need for a secondary raw memory barrier.
0 a61af66fc99e Initial load duke parents: diff changeset	4676 } else {
a61af66fc99e Initial load duke parents: diff changeset	4677 // Clear the whole thing since there are no source elements to copy.
a61af66fc99e Initial load duke parents: diff changeset	4678 generate_clear_array(adr_type, dest, basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4679 intcon(0), NULL,
a61af66fc99e Initial load duke parents: diff changeset	4680 alloc->in(AllocateNode::AllocSize));
836 4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4681 // Use a secondary InitializeNode as raw memory barrier.
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4682 // Currently it is needed only on this path since other
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4683 // paths have stub or runtime calls as raw memory barriers.
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4684 InitializeNode* init = insert_mem_bar_volatile(Op_Initialize,
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4685 Compile::AliasIdxRaw,
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4686 top())->as_Initialize();
4325cdaa78ad 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") kvn parents: 833 diff changeset	4687 init->set_complete(&_gvn); // (there is no corresponding AllocateNode)
0 a61af66fc99e Initial load duke parents: diff changeset	4688 }
a61af66fc99e Initial load duke parents: diff changeset	4689 }
a61af66fc99e Initial load duke parents: diff changeset	4690
a61af66fc99e Initial load duke parents: diff changeset	4691 // Present the results of the fast call.
a61af66fc99e Initial load duke parents: diff changeset	4692 result_region->init_req(zero_path, control());
a61af66fc99e Initial load duke parents: diff changeset	4693 result_i_o ->init_req(zero_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	4694 result_memory->init_req(zero_path, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4695 }
a61af66fc99e Initial load duke parents: diff changeset	4696
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4697 if (!stopped() && dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	4698 // We have to initialize the uncopied part of the array to zero.
a61af66fc99e Initial load duke parents: diff changeset	4699 // The copy destination is the slice dest[off..off+len]. The other slices
a61af66fc99e Initial load duke parents: diff changeset	4700 // are dest_head = dest[0..off] and dest_tail = dest[off+len..dest.length].
a61af66fc99e Initial load duke parents: diff changeset	4701 Node* dest_size = alloc->in(AllocateNode::AllocSize);
a61af66fc99e Initial load duke parents: diff changeset	4702 Node* dest_length = alloc->in(AllocateNode::ALength);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4703 Node* dest_tail = _gvn.transform( new(C) AddINode(dest_offset,
0 a61af66fc99e Initial load duke parents: diff changeset	4704 copy_length) );
a61af66fc99e Initial load duke parents: diff changeset	4705
a61af66fc99e Initial load duke parents: diff changeset	4706 // If there is a head section that needs zeroing, do it now.
a61af66fc99e Initial load duke parents: diff changeset	4707 if (find_int_con(dest_offset, -1) != 0) {
a61af66fc99e Initial load duke parents: diff changeset	4708 generate_clear_array(adr_type, dest, basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4709 intcon(0), dest_offset,
a61af66fc99e Initial load duke parents: diff changeset	4710 NULL);
a61af66fc99e Initial load duke parents: diff changeset	4711 }
a61af66fc99e Initial load duke parents: diff changeset	4712
a61af66fc99e Initial load duke parents: diff changeset	4713 // Next, perform a dynamic check on the tail length.
a61af66fc99e Initial load duke parents: diff changeset	4714 // It is often zero, and we can win big if we prove this.
a61af66fc99e Initial load duke parents: diff changeset	4715 // There are two wins: Avoid generating the ClearArray
a61af66fc99e Initial load duke parents: diff changeset	4716 // with its attendant messy index arithmetic, and upgrade
a61af66fc99e Initial load duke parents: diff changeset	4717 // the copy to a more hardware-friendly word size of 64 bits.
a61af66fc99e Initial load duke parents: diff changeset	4718 Node* tail_ctl = NULL;
4778 35acf8f0a2e4 7128352: assert(obj_node == obj) failed kvn parents: 4771 diff changeset	4719 if (!stopped() && !dest_tail->eqv_uncast(dest_length)) {
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4720 Node* cmp_lt = _gvn.transform( new(C) CmpINode(dest_tail, dest_length) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4721 Node* bol_lt = _gvn.transform( new(C) BoolNode(cmp_lt, BoolTest::lt) );
0 a61af66fc99e Initial load duke parents: diff changeset	4722 tail_ctl = generate_slow_guard(bol_lt, NULL);
a61af66fc99e Initial load duke parents: diff changeset	4723 assert(tail_ctl != NULL \|\| !stopped(), "must be an outcome");
a61af66fc99e Initial load duke parents: diff changeset	4724 }
a61af66fc99e Initial load duke parents: diff changeset	4725
a61af66fc99e Initial load duke parents: diff changeset	4726 // At this point, let's assume there is no tail.
a61af66fc99e Initial load duke parents: diff changeset	4727 if (!stopped() && alloc != NULL && basic_elem_type != T_OBJECT) {
a61af66fc99e Initial load duke parents: diff changeset	4728 // There is no tail. Try an upgrade to a 64-bit copy.
a61af66fc99e Initial load duke parents: diff changeset	4729 bool didit = false;
a61af66fc99e Initial load duke parents: diff changeset	4730 { PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	4731 didit = generate_block_arraycopy(adr_type, basic_elem_type, alloc,
a61af66fc99e Initial load duke parents: diff changeset	4732 src, src_offset, dest, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4733 dest_size, dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	4734 if (didit) {
a61af66fc99e Initial load duke parents: diff changeset	4735 // Present the results of the block-copying fast call.
a61af66fc99e Initial load duke parents: diff changeset	4736 result_region->init_req(bcopy_path, control());
a61af66fc99e Initial load duke parents: diff changeset	4737 result_i_o ->init_req(bcopy_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	4738 result_memory->init_req(bcopy_path, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4739 }
a61af66fc99e Initial load duke parents: diff changeset	4740 }
a61af66fc99e Initial load duke parents: diff changeset	4741 if (didit)
a61af66fc99e Initial load duke parents: diff changeset	4742 set_control(top()); // no regular fast path
a61af66fc99e Initial load duke parents: diff changeset	4743 }
a61af66fc99e Initial load duke parents: diff changeset	4744
a61af66fc99e Initial load duke parents: diff changeset	4745 // Clear the tail, if any.
a61af66fc99e Initial load duke parents: diff changeset	4746 if (tail_ctl != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4747 Node* notail_ctl = stopped() ? NULL : control();
a61af66fc99e Initial load duke parents: diff changeset	4748 set_control(tail_ctl);
a61af66fc99e Initial load duke parents: diff changeset	4749 if (notail_ctl == NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4750 generate_clear_array(adr_type, dest, basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4751 dest_tail, NULL,
a61af66fc99e Initial load duke parents: diff changeset	4752 dest_size);
a61af66fc99e Initial load duke parents: diff changeset	4753 } else {
a61af66fc99e Initial load duke parents: diff changeset	4754 // Make a local merge.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4755 Node* done_ctl = new(C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4756 Node* done_mem = new(C) PhiNode(done_ctl, Type::MEMORY, adr_type);
0 a61af66fc99e Initial load duke parents: diff changeset	4757 done_ctl->init_req(1, notail_ctl);
a61af66fc99e Initial load duke parents: diff changeset	4758 done_mem->init_req(1, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4759 generate_clear_array(adr_type, dest, basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4760 dest_tail, NULL,
a61af66fc99e Initial load duke parents: diff changeset	4761 dest_size);
a61af66fc99e Initial load duke parents: diff changeset	4762 done_ctl->init_req(2, control());
a61af66fc99e Initial load duke parents: diff changeset	4763 done_mem->init_req(2, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4764 set_control( _gvn.transform(done_ctl) );
a61af66fc99e Initial load duke parents: diff changeset	4765 set_memory( _gvn.transform(done_mem), adr_type );
a61af66fc99e Initial load duke parents: diff changeset	4766 }
a61af66fc99e Initial load duke parents: diff changeset	4767 }
a61af66fc99e Initial load duke parents: diff changeset	4768 }
a61af66fc99e Initial load duke parents: diff changeset	4769
a61af66fc99e Initial load duke parents: diff changeset	4770 BasicType copy_type = basic_elem_type;
a61af66fc99e Initial load duke parents: diff changeset	4771 assert(basic_elem_type != T_ARRAY, "caller must fix this");
a61af66fc99e Initial load duke parents: diff changeset	4772 if (!stopped() && copy_type == T_OBJECT) {
a61af66fc99e Initial load duke parents: diff changeset	4773 // If src and dest have compatible element types, we can copy bits.
a61af66fc99e Initial load duke parents: diff changeset	4774 // Types S[] and D[] are compatible if D is a supertype of S.
a61af66fc99e Initial load duke parents: diff changeset	4775 //
a61af66fc99e Initial load duke parents: diff changeset	4776 // If they are not, we will use checked_oop_disjoint_arraycopy,
a61af66fc99e Initial load duke parents: diff changeset	4777 // which performs a fast optimistic per-oop check, and backs off
a61af66fc99e Initial load duke parents: diff changeset	4778 // further to JVM_ArrayCopy on the first per-oop check that fails.
a61af66fc99e Initial load duke parents: diff changeset	4779 // (Actually, we don't move raw bits only; the GC requires card marks.)
a61af66fc99e Initial load duke parents: diff changeset	4780
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6615 diff changeset	4781 // Get the Klass* for both src and dest
0 a61af66fc99e Initial load duke parents: diff changeset	4782 Node* src_klass = load_object_klass(src);
a61af66fc99e Initial load duke parents: diff changeset	4783 Node* dest_klass = load_object_klass(dest);
a61af66fc99e Initial load duke parents: diff changeset	4784
a61af66fc99e Initial load duke parents: diff changeset	4785 // Generate the subtype check.
a61af66fc99e Initial load duke parents: diff changeset	4786 // This might fold up statically, or then again it might not.
a61af66fc99e Initial load duke parents: diff changeset	4787 //
a61af66fc99e Initial load duke parents: diff changeset	4788 // Non-static example: Copying List<String>.elements to a new String[].
a61af66fc99e Initial load duke parents: diff changeset	4789 // The backing store for a List<String> is always an Object[],
a61af66fc99e Initial load duke parents: diff changeset	4790 // but its elements are always type String, if the generic types
a61af66fc99e Initial load duke parents: diff changeset	4791 // are correct at the source level.
a61af66fc99e Initial load duke parents: diff changeset	4792 //
a61af66fc99e Initial load duke parents: diff changeset	4793 // Test S[] against D[], not S against D, because (probably)
a61af66fc99e Initial load duke parents: diff changeset	4794 // the secondary supertype cache is less busy for S[] than S.
a61af66fc99e Initial load duke parents: diff changeset	4795 // This usually only matters when D is an interface.
a61af66fc99e Initial load duke parents: diff changeset	4796 Node* not_subtype_ctrl = gen_subtype_check(src_klass, dest_klass);
a61af66fc99e Initial load duke parents: diff changeset	4797 // Plug failing path into checked_oop_disjoint_arraycopy
a61af66fc99e Initial load duke parents: diff changeset	4798 if (not_subtype_ctrl != top()) {
a61af66fc99e Initial load duke parents: diff changeset	4799 PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	4800 set_control(not_subtype_ctrl);
a61af66fc99e Initial load duke parents: diff changeset	4801 // (At this point we can assume disjoint_bases, since types differ.)
6831 d8ce2825b193 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass coleenp parents: 6804 diff changeset	4802 int ek_offset = in_bytes(ObjArrayKlass::element_klass_offset());
0 a61af66fc99e Initial load duke parents: diff changeset	4803 Node* p1 = basic_plus_adr(dest_klass, ek_offset);
164 c436414a719e 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions kvn parents: 163 diff changeset	4804 Node* n1 = LoadKlassNode::make(_gvn, immutable_memory(), p1, TypeRawPtr::BOTTOM);
0 a61af66fc99e Initial load duke parents: diff changeset	4805 Node* dest_elem_klass = _gvn.transform(n1);
a61af66fc99e Initial load duke parents: diff changeset	4806 Node* cv = generate_checkcast_arraycopy(adr_type,
a61af66fc99e Initial load duke parents: diff changeset	4807 dest_elem_klass,
a61af66fc99e Initial load duke parents: diff changeset	4808 src, src_offset, dest, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4809 ConvI2X(copy_length), dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	4810 if (cv == NULL) cv = intcon(-1); // failure (no stub available)
a61af66fc99e Initial load duke parents: diff changeset	4811 checked_control = control();
a61af66fc99e Initial load duke parents: diff changeset	4812 checked_i_o = i_o();
a61af66fc99e Initial load duke parents: diff changeset	4813 checked_mem = memory(adr_type);
a61af66fc99e Initial load duke parents: diff changeset	4814 checked_value = cv;
a61af66fc99e Initial load duke parents: diff changeset	4815 }
a61af66fc99e Initial load duke parents: diff changeset	4816 // At this point we know we do not need type checks on oop stores.
a61af66fc99e Initial load duke parents: diff changeset	4817
a61af66fc99e Initial load duke parents: diff changeset	4818 // Let's see if we need card marks:
a61af66fc99e Initial load duke parents: diff changeset	4819 if (alloc != NULL && use_ReduceInitialCardMarks()) {
a61af66fc99e Initial load duke parents: diff changeset	4820 // If we do not need card marks, copy using the jint or jlong stub.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	4821 copy_type = LP64_ONLY(UseCompressedOops ? T_INT : T_LONG) NOT_LP64(T_INT);
29 d5fc211aea19 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM kvn parents: 0 diff changeset	4822 assert(type2aelembytes(basic_elem_type) == type2aelembytes(copy_type),
0 a61af66fc99e Initial load duke parents: diff changeset	4823 "sizes agree");
a61af66fc99e Initial load duke parents: diff changeset	4824 }
a61af66fc99e Initial load duke parents: diff changeset	4825 }
a61af66fc99e Initial load duke parents: diff changeset	4826
a61af66fc99e Initial load duke parents: diff changeset	4827 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	4828 // Generate the fast path, if possible.
a61af66fc99e Initial load duke parents: diff changeset	4829 PreserveJVMState pjvms(this);
a61af66fc99e Initial load duke parents: diff changeset	4830 generate_unchecked_arraycopy(adr_type, copy_type, disjoint_bases,
a61af66fc99e Initial load duke parents: diff changeset	4831 src, src_offset, dest, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4832 ConvI2X(copy_length), dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	4833
a61af66fc99e Initial load duke parents: diff changeset	4834 // Present the results of the fast call.
a61af66fc99e Initial load duke parents: diff changeset	4835 result_region->init_req(fast_path, control());
a61af66fc99e Initial load duke parents: diff changeset	4836 result_i_o ->init_req(fast_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	4837 result_memory->init_req(fast_path, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4838 }
a61af66fc99e Initial load duke parents: diff changeset	4839
a61af66fc99e Initial load duke parents: diff changeset	4840 // Here are all the slow paths up to this point, in one bundle:
a61af66fc99e Initial load duke parents: diff changeset	4841 slow_control = top();
a61af66fc99e Initial load duke parents: diff changeset	4842 if (slow_region != NULL)
a61af66fc99e Initial load duke parents: diff changeset	4843 slow_control = _gvn.transform(slow_region);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	4844 DEBUG_ONLY(slow_region = (RegionNode*)badAddress);
0 a61af66fc99e Initial load duke parents: diff changeset	4845
a61af66fc99e Initial load duke parents: diff changeset	4846 set_control(checked_control);
a61af66fc99e Initial load duke parents: diff changeset	4847 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	4848 // Clean up after the checked call.
a61af66fc99e Initial load duke parents: diff changeset	4849 // The returned value is either 0 or -1^K,
a61af66fc99e Initial load duke parents: diff changeset	4850 // where K = number of partially transferred array elements.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4851 Node* cmp = _gvn.transform( new(C) CmpINode(checked_value, intcon(0)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4852 Node* bol = _gvn.transform( new(C) BoolNode(cmp, BoolTest::eq) );
0 a61af66fc99e Initial load duke parents: diff changeset	4853 IfNode* iff = create_and_map_if(control(), bol, PROB_MAX, COUNT_UNKNOWN);
a61af66fc99e Initial load duke parents: diff changeset	4854
a61af66fc99e Initial load duke parents: diff changeset	4855 // If it is 0, we are done, so transfer to the end.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4856 Node* checks_done = _gvn.transform( new(C) IfTrueNode(iff) );
0 a61af66fc99e Initial load duke parents: diff changeset	4857 result_region->init_req(checked_path, checks_done);
a61af66fc99e Initial load duke parents: diff changeset	4858 result_i_o ->init_req(checked_path, checked_i_o);
a61af66fc99e Initial load duke parents: diff changeset	4859 result_memory->init_req(checked_path, checked_mem);
a61af66fc99e Initial load duke parents: diff changeset	4860
a61af66fc99e Initial load duke parents: diff changeset	4861 // If it is not zero, merge into the slow call.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4862 set_control( _gvn.transform( new(C) IfFalseNode(iff) ));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4863 RegionNode* slow_reg2 = new(C) RegionNode(3);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4864 PhiNode* slow_i_o2 = new(C) PhiNode(slow_reg2, Type::ABIO);
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4865 PhiNode* slow_mem2 = new(C) PhiNode(slow_reg2, Type::MEMORY, adr_type);
0 a61af66fc99e Initial load duke parents: diff changeset	4866 record_for_igvn(slow_reg2);
a61af66fc99e Initial load duke parents: diff changeset	4867 slow_reg2 ->init_req(1, slow_control);
a61af66fc99e Initial load duke parents: diff changeset	4868 slow_i_o2 ->init_req(1, slow_i_o);
a61af66fc99e Initial load duke parents: diff changeset	4869 slow_mem2 ->init_req(1, slow_mem);
a61af66fc99e Initial load duke parents: diff changeset	4870 slow_reg2 ->init_req(2, control());
833 acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4871 slow_i_o2 ->init_req(2, checked_i_o);
acba6af809c8 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 kvn parents: 827 diff changeset	4872 slow_mem2 ->init_req(2, checked_mem);
0 a61af66fc99e Initial load duke parents: diff changeset	4873
a61af66fc99e Initial load duke parents: diff changeset	4874 slow_control = _gvn.transform(slow_reg2);
a61af66fc99e Initial load duke parents: diff changeset	4875 slow_i_o = _gvn.transform(slow_i_o2);
a61af66fc99e Initial load duke parents: diff changeset	4876 slow_mem = _gvn.transform(slow_mem2);
a61af66fc99e Initial load duke parents: diff changeset	4877
a61af66fc99e Initial load duke parents: diff changeset	4878 if (alloc != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	4879 // We'll restart from the very beginning, after zeroing the whole thing.
a61af66fc99e Initial load duke parents: diff changeset	4880 // This can cause double writes, but that's OK since dest is brand new.
a61af66fc99e Initial load duke parents: diff changeset	4881 // So we ignore the low 31 bits of the value returned from the stub.
a61af66fc99e Initial load duke parents: diff changeset	4882 } else {
a61af66fc99e Initial load duke parents: diff changeset	4883 // We must continue the copy exactly where it failed, or else
a61af66fc99e Initial load duke parents: diff changeset	4884 // another thread might see the wrong number of writes to dest.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4885 Node* checked_offset = _gvn.transform( new(C) XorINode(checked_value, intcon(-1)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4886 Node* slow_offset = new(C) PhiNode(slow_reg2, TypeInt::INT);
0 a61af66fc99e Initial load duke parents: diff changeset	4887 slow_offset->init_req(1, intcon(0));
a61af66fc99e Initial load duke parents: diff changeset	4888 slow_offset->init_req(2, checked_offset);
a61af66fc99e Initial load duke parents: diff changeset	4889 slow_offset = _gvn.transform(slow_offset);
a61af66fc99e Initial load duke parents: diff changeset	4890
a61af66fc99e Initial load duke parents: diff changeset	4891 // Adjust the arguments by the conditionally incoming offset.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4892 Node* src_off_plus = _gvn.transform( new(C) AddINode(src_offset, slow_offset) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4893 Node* dest_off_plus = _gvn.transform( new(C) AddINode(dest_offset, slow_offset) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	4894 Node* length_minus = _gvn.transform( new(C) SubINode(copy_length, slow_offset) );
0 a61af66fc99e Initial load duke parents: diff changeset	4895
a61af66fc99e Initial load duke parents: diff changeset	4896 // Tweak the node variables to adjust the code produced below:
a61af66fc99e Initial load duke parents: diff changeset	4897 src_offset = src_off_plus;
a61af66fc99e Initial load duke parents: diff changeset	4898 dest_offset = dest_off_plus;
a61af66fc99e Initial load duke parents: diff changeset	4899 copy_length = length_minus;
a61af66fc99e Initial load duke parents: diff changeset	4900 }
a61af66fc99e Initial load duke parents: diff changeset	4901 }
a61af66fc99e Initial load duke parents: diff changeset	4902
a61af66fc99e Initial load duke parents: diff changeset	4903 set_control(slow_control);
a61af66fc99e Initial load duke parents: diff changeset	4904 if (!stopped()) {
a61af66fc99e Initial load duke parents: diff changeset	4905 // Generate the slow path, if needed.
a61af66fc99e Initial load duke parents: diff changeset	4906 PreserveJVMState pjvms(this); // replace_in_map may trash the map
a61af66fc99e Initial load duke parents: diff changeset	4907
a61af66fc99e Initial load duke parents: diff changeset	4908 set_memory(slow_mem, adr_type);
a61af66fc99e Initial load duke parents: diff changeset	4909 set_i_o(slow_i_o);
a61af66fc99e Initial load duke parents: diff changeset	4910
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4911 if (dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	4912 generate_clear_array(adr_type, dest, basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	4913 intcon(0), NULL,
a61af66fc99e Initial load duke parents: diff changeset	4914 alloc->in(AllocateNode::AllocSize));
a61af66fc99e Initial load duke parents: diff changeset	4915 }
a61af66fc99e Initial load duke parents: diff changeset	4916
a61af66fc99e Initial load duke parents: diff changeset	4917 generate_slow_arraycopy(adr_type,
a61af66fc99e Initial load duke parents: diff changeset	4918 src, src_offset, dest, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	4919 copy_length, /dest_uninitialized/false);
0 a61af66fc99e Initial load duke parents: diff changeset	4920
a61af66fc99e Initial load duke parents: diff changeset	4921 result_region->init_req(slow_call_path, control());
a61af66fc99e Initial load duke parents: diff changeset	4922 result_i_o ->init_req(slow_call_path, i_o());
a61af66fc99e Initial load duke parents: diff changeset	4923 result_memory->init_req(slow_call_path, memory(adr_type));
a61af66fc99e Initial load duke parents: diff changeset	4924 }
a61af66fc99e Initial load duke parents: diff changeset	4925
a61af66fc99e Initial load duke parents: diff changeset	4926 // Remove unused edges.
a61af66fc99e Initial load duke parents: diff changeset	4927 for (uint i = 1; i < result_region->req(); i++) {
a61af66fc99e Initial load duke parents: diff changeset	4928 if (result_region->in(i) == NULL)
a61af66fc99e Initial load duke parents: diff changeset	4929 result_region->init_req(i, top());
a61af66fc99e Initial load duke parents: diff changeset	4930 }
a61af66fc99e Initial load duke parents: diff changeset	4931
a61af66fc99e Initial load duke parents: diff changeset	4932 // Finished; return the combined state.
a61af66fc99e Initial load duke parents: diff changeset	4933 set_control( _gvn.transform(result_region) );
a61af66fc99e Initial load duke parents: diff changeset	4934 set_i_o( _gvn.transform(result_i_o) );
a61af66fc99e Initial load duke parents: diff changeset	4935 set_memory( _gvn.transform(result_memory), adr_type );
a61af66fc99e Initial load duke parents: diff changeset	4936
a61af66fc99e Initial load duke parents: diff changeset	4937 // The memory edges above are precise in order to model effects around
605 98cb887364d3 6810672: Comment typos twisti parents: 420 diff changeset	4938 // array copies accurately to allow value numbering of field loads around
0 a61af66fc99e Initial load duke parents: diff changeset	4939 // arraycopy. Such field loads, both before and after, are common in Java
a61af66fc99e Initial load duke parents: diff changeset	4940 // collections and similar classes involving header/array data structures.
a61af66fc99e Initial load duke parents: diff changeset	4941 //
a61af66fc99e Initial load duke parents: diff changeset	4942 // But with low number of register or when some registers are used or killed
a61af66fc99e Initial load duke parents: diff changeset	4943 // by arraycopy calls it causes registers spilling on stack. See 6544710.
a61af66fc99e Initial load duke parents: diff changeset	4944 // The next memory barrier is added to avoid it. If the arraycopy can be
a61af66fc99e Initial load duke parents: diff changeset	4945 // optimized away (which it can, sometimes) then we can manually remove
a61af66fc99e Initial load duke parents: diff changeset	4946 // the membar also.
958 c7e94e8fff43 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) kvn parents: 950 diff changeset	4947 //
c7e94e8fff43 6880053: assert(alloc_obj->as_CheckCastPP()->type() != TypeInstPtr::NOTNULL) kvn parents: 950 diff changeset	4948 // Do not let reads from the cloned object float above the arraycopy.
4763 1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4949 if (alloc != NULL) {
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4950 // Do not let stores that initialize this object be reordered with
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4951 // a subsequent store that would make this object accessible by
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4952 // other threads.
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4953 // Record what AllocateNode this StoreStore protects so that
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4954 // escape analysis can go from the MemBarStoreStoreNode to the
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4955 // AllocateNode and eliminate the MemBarStoreStoreNode if possible
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4956 // based on the escape status of the AllocateNode.
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4957 insert_mem_bar(Op_MemBarStoreStore, alloc->proj_out(AllocateNode::RawAddress));
1dc233a8c7fe 7121140: Allocation paths require explicit memory synchronization operations for RMO systems roland parents: 4762 diff changeset	4958 } else if (InsertMemBarAfterArraycopy)
0 a61af66fc99e Initial load duke parents: diff changeset	4959 insert_mem_bar(Op_MemBarCPUOrder);
a61af66fc99e Initial load duke parents: diff changeset	4960 }
a61af66fc99e Initial load duke parents: diff changeset	4961
a61af66fc99e Initial load duke parents: diff changeset	4962
a61af66fc99e Initial load duke parents: diff changeset	4963 // Helper function which determines if an arraycopy immediately follows
a61af66fc99e Initial load duke parents: diff changeset	4964 // an allocation, with no intervening tests or other escapes for the object.
a61af66fc99e Initial load duke parents: diff changeset	4965 AllocateArrayNode*
a61af66fc99e Initial load duke parents: diff changeset	4966 LibraryCallKit::tightly_coupled_allocation(Node* ptr,
a61af66fc99e Initial load duke parents: diff changeset	4967 RegionNode* slow_region) {
a61af66fc99e Initial load duke parents: diff changeset	4968 if (stopped()) return NULL; // no fast path
a61af66fc99e Initial load duke parents: diff changeset	4969 if (C->AliasLevel() == 0) return NULL; // no MergeMems around
a61af66fc99e Initial load duke parents: diff changeset	4970
a61af66fc99e Initial load duke parents: diff changeset	4971 AllocateArrayNode* alloc = AllocateArrayNode::Ideal_array_allocation(ptr, &_gvn);
a61af66fc99e Initial load duke parents: diff changeset	4972 if (alloc == NULL) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	4973
a61af66fc99e Initial load duke parents: diff changeset	4974 Node* rawmem = memory(Compile::AliasIdxRaw);
a61af66fc99e Initial load duke parents: diff changeset	4975 // Is the allocation's memory state untouched?
a61af66fc99e Initial load duke parents: diff changeset	4976 if (!(rawmem->is_Proj() && rawmem->in(0)->is_Initialize())) {
a61af66fc99e Initial load duke parents: diff changeset	4977 // Bail out if there have been raw-memory effects since the allocation.
a61af66fc99e Initial load duke parents: diff changeset	4978 // (Example: There might have been a call or safepoint.)
a61af66fc99e Initial load duke parents: diff changeset	4979 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	4980 }
a61af66fc99e Initial load duke parents: diff changeset	4981 rawmem = rawmem->in(0)->as_Initialize()->memory(Compile::AliasIdxRaw);
a61af66fc99e Initial load duke parents: diff changeset	4982 if (!(rawmem->is_Proj() && rawmem->in(0) == alloc)) {
a61af66fc99e Initial load duke parents: diff changeset	4983 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	4984 }
a61af66fc99e Initial load duke parents: diff changeset	4985
a61af66fc99e Initial load duke parents: diff changeset	4986 // There must be no unexpected observers of this allocation.
a61af66fc99e Initial load duke parents: diff changeset	4987 for (DUIterator_Fast imax, i = ptr->fast_outs(imax); i < imax; i++) {
a61af66fc99e Initial load duke parents: diff changeset	4988 Node* obs = ptr->fast_out(i);
a61af66fc99e Initial load duke parents: diff changeset	4989 if (obs != this->map()) {
a61af66fc99e Initial load duke parents: diff changeset	4990 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	4991 }
a61af66fc99e Initial load duke parents: diff changeset	4992 }
a61af66fc99e Initial load duke parents: diff changeset	4993
a61af66fc99e Initial load duke parents: diff changeset	4994 // This arraycopy must unconditionally follow the allocation of the ptr.
a61af66fc99e Initial load duke parents: diff changeset	4995 Node* alloc_ctl = ptr->in(0);
a61af66fc99e Initial load duke parents: diff changeset	4996 assert(just_allocated_object(alloc_ctl) == ptr, "most recent allo");
a61af66fc99e Initial load duke parents: diff changeset	4997
a61af66fc99e Initial load duke parents: diff changeset	4998 Node* ctl = control();
a61af66fc99e Initial load duke parents: diff changeset	4999 while (ctl != alloc_ctl) {
a61af66fc99e Initial load duke parents: diff changeset	5000 // There may be guards which feed into the slow_region.
a61af66fc99e Initial load duke parents: diff changeset	5001 // Any other control flow means that we might not get a chance
a61af66fc99e Initial load duke parents: diff changeset	5002 // to finish initializing the allocated object.
a61af66fc99e Initial load duke parents: diff changeset	5003 if ((ctl->is_IfFalse() \|\| ctl->is_IfTrue()) && ctl->in(0)->is_If()) {
a61af66fc99e Initial load duke parents: diff changeset	5004 IfNode* iff = ctl->in(0)->as_If();
a61af66fc99e Initial load duke parents: diff changeset	5005 Node* not_ctl = iff->proj_out(1 - ctl->as_Proj()->_con);
a61af66fc99e Initial load duke parents: diff changeset	5006 assert(not_ctl != NULL && not_ctl != ctl, "found alternate");
a61af66fc99e Initial load duke parents: diff changeset	5007 if (slow_region != NULL && slow_region->find_edge(not_ctl) >= 1) {
a61af66fc99e Initial load duke parents: diff changeset	5008 ctl = iff->in(0); // This test feeds the known slow_region.
a61af66fc99e Initial load duke parents: diff changeset	5009 continue;
a61af66fc99e Initial load duke parents: diff changeset	5010 }
a61af66fc99e Initial load duke parents: diff changeset	5011 // One more try: Various low-level checks bottom out in
a61af66fc99e Initial load duke parents: diff changeset	5012 // uncommon traps. If the debug-info of the trap omits
a61af66fc99e Initial load duke parents: diff changeset	5013 // any reference to the allocation, as we've already
a61af66fc99e Initial load duke parents: diff changeset	5014 // observed, then there can be no objection to the trap.
a61af66fc99e Initial load duke parents: diff changeset	5015 bool found_trap = false;
a61af66fc99e Initial load duke parents: diff changeset	5016 for (DUIterator_Fast jmax, j = not_ctl->fast_outs(jmax); j < jmax; j++) {
a61af66fc99e Initial load duke parents: diff changeset	5017 Node* obs = not_ctl->fast_out(j);
a61af66fc99e Initial load duke parents: diff changeset	5018 if (obs->in(0) == not_ctl && obs->is_Call() &&
1748 3e8fbc61cee8 6978355: renaming for 6961697 twisti parents: 1746 diff changeset	5019 (obs->as_Call()->entry_point() == SharedRuntime::uncommon_trap_blob()->entry_point())) {
0 a61af66fc99e Initial load duke parents: diff changeset	5020 found_trap = true; break;
a61af66fc99e Initial load duke parents: diff changeset	5021 }
a61af66fc99e Initial load duke parents: diff changeset	5022 }
a61af66fc99e Initial load duke parents: diff changeset	5023 if (found_trap) {
a61af66fc99e Initial load duke parents: diff changeset	5024 ctl = iff->in(0); // This test feeds a harmless uncommon trap.
a61af66fc99e Initial load duke parents: diff changeset	5025 continue;
a61af66fc99e Initial load duke parents: diff changeset	5026 }
a61af66fc99e Initial load duke parents: diff changeset	5027 }
a61af66fc99e Initial load duke parents: diff changeset	5028 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	5029 }
a61af66fc99e Initial load duke parents: diff changeset	5030
a61af66fc99e Initial load duke parents: diff changeset	5031 // If we get this far, we have an allocation which immediately
a61af66fc99e Initial load duke parents: diff changeset	5032 // precedes the arraycopy, and we can take over zeroing the new object.
a61af66fc99e Initial load duke parents: diff changeset	5033 // The arraycopy will finish the initialization, and provide
a61af66fc99e Initial load duke parents: diff changeset	5034 // a new control state to which we will anchor the destination pointer.
a61af66fc99e Initial load duke parents: diff changeset	5035
a61af66fc99e Initial load duke parents: diff changeset	5036 return alloc;
a61af66fc99e Initial load duke parents: diff changeset	5037 }
a61af66fc99e Initial load duke parents: diff changeset	5038
a61af66fc99e Initial load duke parents: diff changeset	5039 // Helper for initialization of arrays, creating a ClearArray.
a61af66fc99e Initial load duke parents: diff changeset	5040 // It writes zero bits in [start..end), within the body of an array object.
a61af66fc99e Initial load duke parents: diff changeset	5041 // The memory effects are all chained onto the 'adr_type' alias category.
a61af66fc99e Initial load duke parents: diff changeset	5042 //
a61af66fc99e Initial load duke parents: diff changeset	5043 // Since the object is otherwise uninitialized, we are free
a61af66fc99e Initial load duke parents: diff changeset	5044 // to put a little "slop" around the edges of the cleared area,
a61af66fc99e Initial load duke parents: diff changeset	5045 // as long as it does not go back into the array's header,
a61af66fc99e Initial load duke parents: diff changeset	5046 // or beyond the array end within the heap.
a61af66fc99e Initial load duke parents: diff changeset	5047 //
a61af66fc99e Initial load duke parents: diff changeset	5048 // The lower edge can be rounded down to the nearest jint and the
a61af66fc99e Initial load duke parents: diff changeset	5049 // upper edge can be rounded up to the nearest MinObjAlignmentInBytes.
a61af66fc99e Initial load duke parents: diff changeset	5050 //
a61af66fc99e Initial load duke parents: diff changeset	5051 // Arguments:
a61af66fc99e Initial load duke parents: diff changeset	5052 // adr_type memory slice where writes are generated
a61af66fc99e Initial load duke parents: diff changeset	5053 // dest oop of the destination array
a61af66fc99e Initial load duke parents: diff changeset	5054 // basic_elem_type element type of the destination
a61af66fc99e Initial load duke parents: diff changeset	5055 // slice_idx array index of first element to store
a61af66fc99e Initial load duke parents: diff changeset	5056 // slice_len number of elements to store (or NULL)
a61af66fc99e Initial load duke parents: diff changeset	5057 // dest_size total size in bytes of the array object
a61af66fc99e Initial load duke parents: diff changeset	5058 //
a61af66fc99e Initial load duke parents: diff changeset	5059 // Exactly one of slice_len or dest_size must be non-NULL.
a61af66fc99e Initial load duke parents: diff changeset	5060 // If dest_size is non-NULL, zeroing extends to the end of the object.
a61af66fc99e Initial load duke parents: diff changeset	5061 // If slice_len is non-NULL, the slice_idx value must be a constant.
a61af66fc99e Initial load duke parents: diff changeset	5062 void
a61af66fc99e Initial load duke parents: diff changeset	5063 LibraryCallKit::generate_clear_array(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5064 Node* dest,
a61af66fc99e Initial load duke parents: diff changeset	5065 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	5066 Node* slice_idx,
a61af66fc99e Initial load duke parents: diff changeset	5067 Node* slice_len,
a61af66fc99e Initial load duke parents: diff changeset	5068 Node* dest_size) {
a61af66fc99e Initial load duke parents: diff changeset	5069 // one or the other but not both of slice_len and dest_size:
a61af66fc99e Initial load duke parents: diff changeset	5070 assert((slice_len != NULL? 1: 0) + (dest_size != NULL? 1: 0) == 1, "");
a61af66fc99e Initial load duke parents: diff changeset	5071 if (slice_len == NULL) slice_len = top();
a61af66fc99e Initial load duke parents: diff changeset	5072 if (dest_size == NULL) dest_size = top();
a61af66fc99e Initial load duke parents: diff changeset	5073
a61af66fc99e Initial load duke parents: diff changeset	5074 // operate on this memory slice:
a61af66fc99e Initial load duke parents: diff changeset	5075 Node* mem = memory(adr_type); // memory slice to operate on
a61af66fc99e Initial load duke parents: diff changeset	5076
a61af66fc99e Initial load duke parents: diff changeset	5077 // scaling and rounding of indexes:
29 d5fc211aea19 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM kvn parents: 0 diff changeset	5078 int scale = exact_log2(type2aelembytes(basic_elem_type));
0 a61af66fc99e Initial load duke parents: diff changeset	5079 int abase = arrayOopDesc::base_offset_in_bytes(basic_elem_type);
a61af66fc99e Initial load duke parents: diff changeset	5080 int clear_low = (-1 << scale) & (BytesPerInt - 1);
a61af66fc99e Initial load duke parents: diff changeset	5081 int bump_bit = (-1 << scale) & BytesPerInt;
a61af66fc99e Initial load duke parents: diff changeset	5082
a61af66fc99e Initial load duke parents: diff changeset	5083 // determine constant starts and ends
a61af66fc99e Initial load duke parents: diff changeset	5084 const intptr_t BIG_NEG = -128;
a61af66fc99e Initial load duke parents: diff changeset	5085 assert(BIG_NEG + 2*abase < 0, "neg enough");
a61af66fc99e Initial load duke parents: diff changeset	5086 intptr_t slice_idx_con = (intptr_t) find_int_con(slice_idx, BIG_NEG);
a61af66fc99e Initial load duke parents: diff changeset	5087 intptr_t slice_len_con = (intptr_t) find_int_con(slice_len, BIG_NEG);
a61af66fc99e Initial load duke parents: diff changeset	5088 if (slice_len_con == 0) {
a61af66fc99e Initial load duke parents: diff changeset	5089 return; // nothing to do here
a61af66fc99e Initial load duke parents: diff changeset	5090 }
a61af66fc99e Initial load duke parents: diff changeset	5091 intptr_t start_con = (abase + (slice_idx_con << scale)) & ~clear_low;
a61af66fc99e Initial load duke parents: diff changeset	5092 intptr_t end_con = find_intptr_t_con(dest_size, -1);
a61af66fc99e Initial load duke parents: diff changeset	5093 if (slice_idx_con >= 0 && slice_len_con >= 0) {
a61af66fc99e Initial load duke parents: diff changeset	5094 assert(end_con < 0, "not two cons");
a61af66fc99e Initial load duke parents: diff changeset	5095 end_con = round_to(abase + ((slice_idx_con + slice_len_con) << scale),
a61af66fc99e Initial load duke parents: diff changeset	5096 BytesPerLong);
a61af66fc99e Initial load duke parents: diff changeset	5097 }
a61af66fc99e Initial load duke parents: diff changeset	5098
a61af66fc99e Initial load duke parents: diff changeset	5099 if (start_con >= 0 && end_con >= 0) {
a61af66fc99e Initial load duke parents: diff changeset	5100 // Constant start and end. Simple.
a61af66fc99e Initial load duke parents: diff changeset	5101 mem = ClearArrayNode::clear_memory(control(), mem, dest,
a61af66fc99e Initial load duke parents: diff changeset	5102 start_con, end_con, &_gvn);
a61af66fc99e Initial load duke parents: diff changeset	5103 } else if (start_con >= 0 && dest_size != top()) {
a61af66fc99e Initial load duke parents: diff changeset	5104 // Constant start, pre-rounded end after the tail of the array.
a61af66fc99e Initial load duke parents: diff changeset	5105 Node* end = dest_size;
a61af66fc99e Initial load duke parents: diff changeset	5106 mem = ClearArrayNode::clear_memory(control(), mem, dest,
a61af66fc99e Initial load duke parents: diff changeset	5107 start_con, end, &_gvn);
a61af66fc99e Initial load duke parents: diff changeset	5108 } else if (start_con >= 0 && slice_len != top()) {
a61af66fc99e Initial load duke parents: diff changeset	5109 // Constant start, non-constant end. End needs rounding up.
a61af66fc99e Initial load duke parents: diff changeset	5110 // End offset = round_up(abase + ((slice_idx_con + slice_len) << scale), 8)
a61af66fc99e Initial load duke parents: diff changeset	5111 intptr_t end_base = abase + (slice_idx_con << scale);
a61af66fc99e Initial load duke parents: diff changeset	5112 int end_round = (-1 << scale) & (BytesPerLong - 1);
a61af66fc99e Initial load duke parents: diff changeset	5113 Node* end = ConvI2X(slice_len);
a61af66fc99e Initial load duke parents: diff changeset	5114 if (scale != 0)
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5115 end = _gvn.transform( new(C) LShiftXNode(end, intcon(scale) ));
0 a61af66fc99e Initial load duke parents: diff changeset	5116 end_base += end_round;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5117 end = _gvn.transform( new(C) AddXNode(end, MakeConX(end_base)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5118 end = _gvn.transform( new(C) AndXNode(end, MakeConX(~end_round)) );
0 a61af66fc99e Initial load duke parents: diff changeset	5119 mem = ClearArrayNode::clear_memory(control(), mem, dest,
a61af66fc99e Initial load duke parents: diff changeset	5120 start_con, end, &_gvn);
a61af66fc99e Initial load duke parents: diff changeset	5121 } else if (start_con < 0 && dest_size != top()) {
a61af66fc99e Initial load duke parents: diff changeset	5122 // Non-constant start, pre-rounded end after the tail of the array.
a61af66fc99e Initial load duke parents: diff changeset	5123 // This is almost certainly a "round-to-end" operation.
a61af66fc99e Initial load duke parents: diff changeset	5124 Node* start = slice_idx;
a61af66fc99e Initial load duke parents: diff changeset	5125 start = ConvI2X(start);
a61af66fc99e Initial load duke parents: diff changeset	5126 if (scale != 0)
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5127 start = _gvn.transform( new(C) LShiftXNode( start, intcon(scale) ));
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5128 start = _gvn.transform( new(C) AddXNode(start, MakeConX(abase)) );
0 a61af66fc99e Initial load duke parents: diff changeset	5129 if ((bump_bit \| clear_low) != 0) {
a61af66fc99e Initial load duke parents: diff changeset	5130 int to_clear = (bump_bit \| clear_low);
a61af66fc99e Initial load duke parents: diff changeset	5131 // Align up mod 8, then store a jint zero unconditionally
a61af66fc99e Initial load duke parents: diff changeset	5132 // just before the mod-8 boundary.
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5133 if (((abase + bump_bit) & ~to_clear) - bump_bit
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5134 < arrayOopDesc::length_offset_in_bytes() + BytesPerInt) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5135 bump_bit = 0;
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5136 assert((abase & to_clear) == 0, "array base must be long-aligned");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5137 } else {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5138 // Bump 'start' up to (or past) the next jint boundary:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5139 start = _gvn.transform( new(C) AddXNode(start, MakeConX(bump_bit)) );
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5140 assert((abase & clear_low) == 0, "array base must be int-aligned");
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5141 }
0 a61af66fc99e Initial load duke parents: diff changeset	5142 // Round bumped 'start' down to jlong boundary in body of array.
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5143 start = _gvn.transform( new(C) AndXNode(start, MakeConX(~to_clear)) );
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5144 if (bump_bit != 0) {
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5145 // Store a zero to the immediately preceding jint:
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5146 Node* x1 = _gvn.transform( new(C) AddXNode(start, MakeConX(-bump_bit)) );
113 ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5147 Node* p1 = basic_plus_adr(dest, x1);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5148 mem = StoreNode::make(_gvn, control(), mem, p1, adr_type, intcon(0), T_INT);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5149 mem = _gvn.transform(mem);
ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes coleenp parents: 34 diff changeset	5150 }
0 a61af66fc99e Initial load duke parents: diff changeset	5151 }
a61af66fc99e Initial load duke parents: diff changeset	5152 Node* end = dest_size; // pre-rounded
a61af66fc99e Initial load duke parents: diff changeset	5153 mem = ClearArrayNode::clear_memory(control(), mem, dest,
a61af66fc99e Initial load duke parents: diff changeset	5154 start, end, &_gvn);
a61af66fc99e Initial load duke parents: diff changeset	5155 } else {
a61af66fc99e Initial load duke parents: diff changeset	5156 // Non-constant start, unrounded non-constant end.
a61af66fc99e Initial load duke parents: diff changeset	5157 // (Nobody zeroes a random midsection of an array using this routine.)
a61af66fc99e Initial load duke parents: diff changeset	5158 ShouldNotReachHere(); // fix caller
a61af66fc99e Initial load duke parents: diff changeset	5159 }
a61af66fc99e Initial load duke parents: diff changeset	5160
a61af66fc99e Initial load duke parents: diff changeset	5161 // Done.
a61af66fc99e Initial load duke parents: diff changeset	5162 set_memory(mem, adr_type);
a61af66fc99e Initial load duke parents: diff changeset	5163 }
a61af66fc99e Initial load duke parents: diff changeset	5164
a61af66fc99e Initial load duke parents: diff changeset	5165
a61af66fc99e Initial load duke parents: diff changeset	5166 bool
a61af66fc99e Initial load duke parents: diff changeset	5167 LibraryCallKit::generate_block_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5168 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	5169 AllocateNode* alloc,
a61af66fc99e Initial load duke parents: diff changeset	5170 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	5171 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5172 Node* dest_size, bool dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	5173 // See if there is an advantage from block transfer.
29 d5fc211aea19 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM kvn parents: 0 diff changeset	5174 int scale = exact_log2(type2aelembytes(basic_elem_type));
0 a61af66fc99e Initial load duke parents: diff changeset	5175 if (scale >= LogBytesPerLong)
a61af66fc99e Initial load duke parents: diff changeset	5176 return false; // it is already a block transfer
a61af66fc99e Initial load duke parents: diff changeset	5177
a61af66fc99e Initial load duke parents: diff changeset	5178 // Look at the alignment of the starting offsets.
a61af66fc99e Initial load duke parents: diff changeset	5179 int abase = arrayOopDesc::base_offset_in_bytes(basic_elem_type);
3742 b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5180
b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5181 intptr_t src_off_con = (intptr_t) find_int_con(src_offset, -1);
b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5182 intptr_t dest_off_con = (intptr_t) find_int_con(dest_offset, -1);
b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5183 if (src_off_con < 0 \|\| dest_off_con < 0)
0 a61af66fc99e Initial load duke parents: diff changeset	5184 // At present, we can only understand constants.
a61af66fc99e Initial load duke parents: diff changeset	5185 return false;
a61af66fc99e Initial load duke parents: diff changeset	5186
3742 b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5187 intptr_t src_off = abase + (src_off_con << scale);
b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5188 intptr_t dest_off = abase + (dest_off_con << scale);
b2cb497dec28 7047069: Array can dynamically change size when assigned to an object field kvn parents: 3337 diff changeset	5189
0 a61af66fc99e Initial load duke parents: diff changeset	5190 if (((src_off \| dest_off) & (BytesPerLong-1)) != 0) {
a61af66fc99e Initial load duke parents: diff changeset	5191 // Non-aligned; too bad.
a61af66fc99e Initial load duke parents: diff changeset	5192 // One more chance: Pick off an initial 32-bit word.
a61af66fc99e Initial load duke parents: diff changeset	5193 // This is a common case, since abase can be odd mod 8.
a61af66fc99e Initial load duke parents: diff changeset	5194 if (((src_off \| dest_off) & (BytesPerLong-1)) == BytesPerInt &&
a61af66fc99e Initial load duke parents: diff changeset	5195 ((src_off ^ dest_off) & (BytesPerLong-1)) == 0) {
a61af66fc99e Initial load duke parents: diff changeset	5196 Node* sptr = basic_plus_adr(src, src_off);
a61af66fc99e Initial load duke parents: diff changeset	5197 Node* dptr = basic_plus_adr(dest, dest_off);
a61af66fc99e Initial load duke parents: diff changeset	5198 Node* sval = make_load(control(), sptr, TypeInt::INT, T_INT, adr_type);
a61af66fc99e Initial load duke parents: diff changeset	5199 store_to_memory(control(), dptr, sval, T_INT, adr_type);
a61af66fc99e Initial load duke parents: diff changeset	5200 src_off += BytesPerInt;
a61af66fc99e Initial load duke parents: diff changeset	5201 dest_off += BytesPerInt;
a61af66fc99e Initial load duke parents: diff changeset	5202 } else {
a61af66fc99e Initial load duke parents: diff changeset	5203 return false;
a61af66fc99e Initial load duke parents: diff changeset	5204 }
a61af66fc99e Initial load duke parents: diff changeset	5205 }
a61af66fc99e Initial load duke parents: diff changeset	5206 assert(src_off % BytesPerLong == 0, "");
a61af66fc99e Initial load duke parents: diff changeset	5207 assert(dest_off % BytesPerLong == 0, "");
a61af66fc99e Initial load duke parents: diff changeset	5208
a61af66fc99e Initial load duke parents: diff changeset	5209 // Do this copy by giant steps.
a61af66fc99e Initial load duke parents: diff changeset	5210 Node* sptr = basic_plus_adr(src, src_off);
a61af66fc99e Initial load duke parents: diff changeset	5211 Node* dptr = basic_plus_adr(dest, dest_off);
a61af66fc99e Initial load duke parents: diff changeset	5212 Node* countx = dest_size;
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5213 countx = _gvn.transform( new (C) SubXNode(countx, MakeConX(dest_off)) );
e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5214 countx = _gvn.transform( new (C) URShiftXNode(countx, intcon(LogBytesPerLong)) );
0 a61af66fc99e Initial load duke parents: diff changeset	5215
a61af66fc99e Initial load duke parents: diff changeset	5216 bool disjoint_bases = true; // since alloc != NULL
a61af66fc99e Initial load duke parents: diff changeset	5217 generate_unchecked_arraycopy(adr_type, T_LONG, disjoint_bases,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5218 sptr, NULL, dptr, NULL, countx, dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	5219
a61af66fc99e Initial load duke parents: diff changeset	5220 return true;
a61af66fc99e Initial load duke parents: diff changeset	5221 }
a61af66fc99e Initial load duke parents: diff changeset	5222
a61af66fc99e Initial load duke parents: diff changeset	5223
a61af66fc99e Initial load duke parents: diff changeset	5224 // Helper function; generates code for the slow case.
a61af66fc99e Initial load duke parents: diff changeset	5225 // We make a call to a runtime method which emulates the native method,
a61af66fc99e Initial load duke parents: diff changeset	5226 // but without the native wrapper overhead.
a61af66fc99e Initial load duke parents: diff changeset	5227 void
a61af66fc99e Initial load duke parents: diff changeset	5228 LibraryCallKit::generate_slow_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5229 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	5230 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5231 Node* copy_length, bool dest_uninitialized) {
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5232 assert(!dest_uninitialized, "Invariant");
0 a61af66fc99e Initial load duke parents: diff changeset	5233 Node* call = make_runtime_call(RC_NO_LEAF \| RC_UNCOMMON,
a61af66fc99e Initial load duke parents: diff changeset	5234 OptoRuntime::slow_arraycopy_Type(),
a61af66fc99e Initial load duke parents: diff changeset	5235 OptoRuntime::slow_arraycopy_Java(),
a61af66fc99e Initial load duke parents: diff changeset	5236 "slow_arraycopy", adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5237 src, src_offset, dest, dest_offset,
a61af66fc99e Initial load duke parents: diff changeset	5238 copy_length);
a61af66fc99e Initial load duke parents: diff changeset	5239
a61af66fc99e Initial load duke parents: diff changeset	5240 // Handle exceptions thrown by this fellow:
a61af66fc99e Initial load duke parents: diff changeset	5241 make_slow_call_ex(call, env()->Throwable_klass(), false);
a61af66fc99e Initial load duke parents: diff changeset	5242 }
a61af66fc99e Initial load duke parents: diff changeset	5243
a61af66fc99e Initial load duke parents: diff changeset	5244 // Helper function; generates code for cases requiring runtime checks.
a61af66fc99e Initial load duke parents: diff changeset	5245 Node*
a61af66fc99e Initial load duke parents: diff changeset	5246 LibraryCallKit::generate_checkcast_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5247 Node* dest_elem_klass,
a61af66fc99e Initial load duke parents: diff changeset	5248 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	5249 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5250 Node* copy_length, bool dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	5251 if (stopped()) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	5252
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5253 address copyfunc_addr = StubRoutines::checkcast_arraycopy(dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	5254 if (copyfunc_addr == NULL) { // Stub was not generated, go slow path.
a61af66fc99e Initial load duke parents: diff changeset	5255 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	5256 }
a61af66fc99e Initial load duke parents: diff changeset	5257
a61af66fc99e Initial load duke parents: diff changeset	5258 // Pick out the parameters required to perform a store-check
a61af66fc99e Initial load duke parents: diff changeset	5259 // for the target array. This is an optimistic check. It will
a61af66fc99e Initial load duke parents: diff changeset	5260 // look in each non-null element's class, at the desired klass's
a61af66fc99e Initial load duke parents: diff changeset	5261 // super_check_offset, for the desired klass.
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 3961 diff changeset	5262 int sco_offset = in_bytes(Klass::super_check_offset_offset());
0 a61af66fc99e Initial load duke parents: diff changeset	5263 Node* p3 = basic_plus_adr(dest_elem_klass, sco_offset);
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5264 Node* n3 = new(C) LoadINode(NULL, memory(p3), p3, _gvn.type(p3)->is_ptr());
1844 75588558f1bf 6980792: Crash "exception happened outside interpreter, nmethods and vtable stubs (1)" never parents: 1748 diff changeset	5265 Node* check_offset = ConvI2X(_gvn.transform(n3));
0 a61af66fc99e Initial load duke parents: diff changeset	5266 Node* check_value = dest_elem_klass;
a61af66fc99e Initial load duke parents: diff changeset	5267
a61af66fc99e Initial load duke parents: diff changeset	5268 Node* src_start = array_element_address(src, src_offset, T_OBJECT);
a61af66fc99e Initial load duke parents: diff changeset	5269 Node* dest_start = array_element_address(dest, dest_offset, T_OBJECT);
a61af66fc99e Initial load duke parents: diff changeset	5270
a61af66fc99e Initial load duke parents: diff changeset	5271 // (We know the arrays are never conjoint, because their types differ.)
a61af66fc99e Initial load duke parents: diff changeset	5272 Node* call = make_runtime_call(RC_LEAF\|RC_NO_FP,
a61af66fc99e Initial load duke parents: diff changeset	5273 OptoRuntime::checkcast_arraycopy_Type(),
a61af66fc99e Initial load duke parents: diff changeset	5274 copyfunc_addr, "checkcast_arraycopy", adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5275 // five arguments, of which two are
a61af66fc99e Initial load duke parents: diff changeset	5276 // intptr_t (jlong in LP64)
a61af66fc99e Initial load duke parents: diff changeset	5277 src_start, dest_start,
a61af66fc99e Initial load duke parents: diff changeset	5278 copy_length XTOP,
a61af66fc99e Initial load duke parents: diff changeset	5279 check_offset XTOP,
a61af66fc99e Initial load duke parents: diff changeset	5280 check_value);
a61af66fc99e Initial load duke parents: diff changeset	5281
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5282 return _gvn.transform(new (C) ProjNode(call, TypeFunc::Parms));
0 a61af66fc99e Initial load duke parents: diff changeset	5283 }
a61af66fc99e Initial load duke parents: diff changeset	5284
a61af66fc99e Initial load duke parents: diff changeset	5285
a61af66fc99e Initial load duke parents: diff changeset	5286 // Helper function; generates code for cases requiring runtime checks.
a61af66fc99e Initial load duke parents: diff changeset	5287 Node*
a61af66fc99e Initial load duke parents: diff changeset	5288 LibraryCallKit::generate_generic_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5289 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	5290 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5291 Node* copy_length, bool dest_uninitialized) {
0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5292 assert(!dest_uninitialized, "Invariant");
0 a61af66fc99e Initial load duke parents: diff changeset	5293 if (stopped()) return NULL;
a61af66fc99e Initial load duke parents: diff changeset	5294 address copyfunc_addr = StubRoutines::generic_arraycopy();
a61af66fc99e Initial load duke parents: diff changeset	5295 if (copyfunc_addr == NULL) { // Stub was not generated, go slow path.
a61af66fc99e Initial load duke parents: diff changeset	5296 return NULL;
a61af66fc99e Initial load duke parents: diff changeset	5297 }
a61af66fc99e Initial load duke parents: diff changeset	5298
a61af66fc99e Initial load duke parents: diff changeset	5299 Node* call = make_runtime_call(RC_LEAF\|RC_NO_FP,
a61af66fc99e Initial load duke parents: diff changeset	5300 OptoRuntime::generic_arraycopy_Type(),
a61af66fc99e Initial load duke parents: diff changeset	5301 copyfunc_addr, "generic_arraycopy", adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5302 src, src_offset, dest, dest_offset, copy_length);
a61af66fc99e Initial load duke parents: diff changeset	5303
6804 e626685e9f6c 7193318: C2: remove number of inputs requirement from Node's new operator kvn parents: 6795 diff changeset	5304 return _gvn.transform(new (C) ProjNode(call, TypeFunc::Parms));
0 a61af66fc99e Initial load duke parents: diff changeset	5305 }
a61af66fc99e Initial load duke parents: diff changeset	5306
a61af66fc99e Initial load duke parents: diff changeset	5307 // Helper function; generates the fast out-of-line call to an arraycopy stub.
a61af66fc99e Initial load duke parents: diff changeset	5308 void
a61af66fc99e Initial load duke parents: diff changeset	5309 LibraryCallKit::generate_unchecked_arraycopy(const TypePtr* adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5310 BasicType basic_elem_type,
a61af66fc99e Initial load duke parents: diff changeset	5311 bool disjoint_bases,
a61af66fc99e Initial load duke parents: diff changeset	5312 Node* src, Node* src_offset,
a61af66fc99e Initial load duke parents: diff changeset	5313 Node* dest, Node* dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5314 Node* copy_length, bool dest_uninitialized) {
0 a61af66fc99e Initial load duke parents: diff changeset	5315 if (stopped()) return; // nothing to do
a61af66fc99e Initial load duke parents: diff changeset	5316
a61af66fc99e Initial load duke parents: diff changeset	5317 Node* src_start = src;
a61af66fc99e Initial load duke parents: diff changeset	5318 Node* dest_start = dest;
a61af66fc99e Initial load duke parents: diff changeset	5319 if (src_offset != NULL \|\| dest_offset != NULL) {
a61af66fc99e Initial load duke parents: diff changeset	5320 assert(src_offset != NULL && dest_offset != NULL, "");
a61af66fc99e Initial load duke parents: diff changeset	5321 src_start = array_element_address(src, src_offset, basic_elem_type);
a61af66fc99e Initial load duke parents: diff changeset	5322 dest_start = array_element_address(dest, dest_offset, basic_elem_type);
a61af66fc99e Initial load duke parents: diff changeset	5323 }
a61af66fc99e Initial load duke parents: diff changeset	5324
a61af66fc99e Initial load duke parents: diff changeset	5325 // Figure out which arraycopy runtime method to call.
a61af66fc99e Initial load duke parents: diff changeset	5326 const char* copyfunc_name = "arraycopy";
a61af66fc99e Initial load duke parents: diff changeset	5327 address copyfunc_addr =
a61af66fc99e Initial load duke parents: diff changeset	5328 basictype2arraycopy(basic_elem_type, src_offset, dest_offset,
2324 0ac769a57c64 6627983: G1: Bad oop deference during marking iveresov parents: 2320 diff changeset	5329 disjoint_bases, copyfunc_name, dest_uninitialized);
0 a61af66fc99e Initial load duke parents: diff changeset	5330
a61af66fc99e Initial load duke parents: diff changeset	5331 // Call it. Note that the count_ix value is not scaled to a byte-size.
a61af66fc99e Initial load duke parents: diff changeset	5332 make_runtime_call(RC_LEAF\|RC_NO_FP,
a61af66fc99e Initial load duke parents: diff changeset	5333 OptoRuntime::fast_arraycopy_Type(),
a61af66fc99e Initial load duke parents: diff changeset	5334 copyfunc_addr, copyfunc_name, adr_type,
a61af66fc99e Initial load duke parents: diff changeset	5335 src_start, dest_start, copy_length XTOP);
a61af66fc99e Initial load duke parents: diff changeset	5336 }
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5337
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5338 //----------------------------inline_reference_get----------------------------
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5339 // public T java.lang.ref.Reference.get();
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5340 bool LibraryCallKit::inline_reference_get() {
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5341 const int referent_offset = java_lang_ref_Reference::referent_offset;
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5342 guarantee(referent_offset > 0, "should have already been set");
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5343
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5344 // Get the argument:
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5345 Node* reference_obj = null_check_receiver();
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5346 if (stopped()) return true;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5347
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5348 Node* adr = basic_plus_adr(reference_obj, reference_obj, referent_offset);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5349
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5350 ciInstanceKlass* klass = env()->Object_klass();
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5351 const TypeOopPtr* object_type = TypeOopPtr::make_from_klass(klass);
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5352
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5353 Node* no_ctrl = NULL;
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5354 Node* result = make_load(no_ctrl, adr, object_type, T_OBJECT);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5355
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5356 // Use the pre-barrier to record the value in the referent field
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5357 pre_barrier(false /* do_load */,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5358 control(),
3258 edd9b016deb6 7036021: G1: build failure on win64 and linux with hs21 in jdk6 build environment johnc parents: 3255 diff changeset	5359 NULL /* obj /, NULL / adr /, max_juint / alias_idx /, NULL / val /, NULL / val_type */,
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5360 result /* pre_val */,
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5361 T_OBJECT);
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5362
6615 09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	5363 // Add memory barrier to prevent commoning reads from this field
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	5364 // across safepoint since GC can change its value.
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	5365 insert_mem_bar(Op_MemBarCPUOrder);
09aad8452938 7190310: Inlining WeakReference.get(), and hoisting $referent may lead to non-terminating loops kvn parents: 6266 diff changeset	5366
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5367 set_result(result);
3249 e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5368 return true;
e1162778c1c8 7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error johnc parents: 2385 diff changeset	5369 }
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5370
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5371
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5372 Node * LibraryCallKit::load_field_from_object(Node * fromObj, const char * fieldName, const char * fieldTypeString,
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5373 bool is_exact=true, bool is_static=false) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5374
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5375 const TypeInstPtr* tinst = _gvn.type(fromObj)->isa_instptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5376 assert(tinst != NULL, "obj is null");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5377 assert(tinst->klass()->is_loaded(), "obj is not loaded");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5378 assert(!is_exact \|\| tinst->klass_is_exact(), "klass not exact");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5379
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5380 ciField* field = tinst->klass()->as_instance_klass()->get_field_by_name(ciSymbol::make(fieldName),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5381 ciSymbol::make(fieldTypeString),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5382 is_static);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5383 if (field == NULL) return (Node *) NULL;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5384 assert (field != NULL, "undefined field");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5385
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5386 // Next code copied from Parse::do_get_xxx():
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5387
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5388 // Compute address and memory type.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5389 int offset = field->offset_in_bytes();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5390 bool is_vol = field->is_volatile();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5391 ciType* field_klass = field->type();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5392 assert(field_klass->is_loaded(), "should be loaded");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5393 const TypePtr* adr_type = C->alias_type(field)->adr_type();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5394 Node *adr = basic_plus_adr(fromObj, fromObj, offset);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5395 BasicType bt = field->layout_type();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5396
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5397 // Build the resultant type of the load
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5398 const Type *type = TypeOopPtr::make_from_klass(field_klass->as_klass());
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5399
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5400 // Build the load.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5401 Node* loadedField = make_load(NULL, adr, type, bt, adr_type, is_vol);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5402 return loadedField;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5403 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5404
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5405
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5406 //------------------------------inline_aescrypt_Block-----------------------
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5407 bool LibraryCallKit::inline_aescrypt_Block(vmIntrinsics::ID id) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5408 address stubAddr;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5409 const char *stubName;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5410 assert(UseAES, "need AES instruction support");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5411
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5412 switch(id) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5413 case vmIntrinsics::_aescrypt_encryptBlock:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5414 stubAddr = StubRoutines::aescrypt_encryptBlock();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5415 stubName = "aescrypt_encryptBlock";
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5416 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5417 case vmIntrinsics::_aescrypt_decryptBlock:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5418 stubAddr = StubRoutines::aescrypt_decryptBlock();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5419 stubName = "aescrypt_decryptBlock";
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5420 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5421 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5422 if (stubAddr == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5423
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5424 Node* aescrypt_object = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5425 Node* src = argument(1);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5426 Node* src_offset = argument(2);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5427 Node* dest = argument(3);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5428 Node* dest_offset = argument(4);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5429
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5430 // (1) src and dest are arrays.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5431 const Type* src_type = src->Value(&_gvn);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5432 const Type* dest_type = dest->Value(&_gvn);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5433 const TypeAryPtr* top_src = src_type->isa_aryptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5434 const TypeAryPtr* top_dest = dest_type->isa_aryptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5435 assert (top_src != NULL && top_src->klass() != NULL && top_dest != NULL && top_dest->klass() != NULL, "args are strange");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5436
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5437 // for the quick and dirty code we will skip all the checks.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5438 // we are just trying to get the call to be generated.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5439 Node* src_start = src;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5440 Node* dest_start = dest;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5441 if (src_offset != NULL \|\| dest_offset != NULL) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5442 assert(src_offset != NULL && dest_offset != NULL, "");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5443 src_start = array_element_address(src, src_offset, T_BYTE);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5444 dest_start = array_element_address(dest, dest_offset, T_BYTE);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5445 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5446
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5447 // now need to get the start of its expanded key array
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5448 // this requires a newer class file that has this array as littleEndian ints, otherwise we revert to java
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5449 Node* k_start = get_key_start_from_aescrypt_object(aescrypt_object);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5450 if (k_start == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5451
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5452 // Call the stub.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5453 make_runtime_call(RC_LEAF\|RC_NO_FP, OptoRuntime::aescrypt_block_Type(),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5454 stubAddr, stubName, TypePtr::BOTTOM,
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5455 src_start, dest_start, k_start);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5456
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5457 return true;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5458 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5459
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5460 //------------------------------inline_cipherBlockChaining_AESCrypt-----------------------
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5461 bool LibraryCallKit::inline_cipherBlockChaining_AESCrypt(vmIntrinsics::ID id) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5462 address stubAddr;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5463 const char *stubName;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5464
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5465 assert(UseAES, "need AES instruction support");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5466
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5467 switch(id) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5468 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5469 stubAddr = StubRoutines::cipherBlockChaining_encryptAESCrypt();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5470 stubName = "cipherBlockChaining_encryptAESCrypt";
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5471 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5472 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5473 stubAddr = StubRoutines::cipherBlockChaining_decryptAESCrypt();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5474 stubName = "cipherBlockChaining_decryptAESCrypt";
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5475 break;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5476 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5477 if (stubAddr == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5478
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5479 Node* cipherBlockChaining_object = argument(0);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5480 Node* src = argument(1);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5481 Node* src_offset = argument(2);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5482 Node* len = argument(3);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5483 Node* dest = argument(4);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5484 Node* dest_offset = argument(5);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5485
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5486 // (1) src and dest are arrays.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5487 const Type* src_type = src->Value(&_gvn);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5488 const Type* dest_type = dest->Value(&_gvn);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5489 const TypeAryPtr* top_src = src_type->isa_aryptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5490 const TypeAryPtr* top_dest = dest_type->isa_aryptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5491 assert (top_src != NULL && top_src->klass() != NULL
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5492 && top_dest != NULL && top_dest->klass() != NULL, "args are strange");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5493
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5494 // checks are the responsibility of the caller
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5495 Node* src_start = src;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5496 Node* dest_start = dest;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5497 if (src_offset != NULL \|\| dest_offset != NULL) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5498 assert(src_offset != NULL && dest_offset != NULL, "");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5499 src_start = array_element_address(src, src_offset, T_BYTE);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5500 dest_start = array_element_address(dest, dest_offset, T_BYTE);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5501 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5502
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5503 // if we are in this set of code, we "know" the embeddedCipher is an AESCrypt object
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5504 // (because of the predicated logic executed earlier).
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5505 // so we cast it here safely.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5506 // this requires a newer class file that has this array as littleEndian ints, otherwise we revert to java
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5507
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5508 Node* embeddedCipherObj = load_field_from_object(cipherBlockChaining_object, "embeddedCipher", "Lcom/sun/crypto/provider/SymmetricCipher;", /is_exact/ false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5509 if (embeddedCipherObj == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5510
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5511 // cast it to what we know it will be at runtime
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5512 const TypeInstPtr* tinst = _gvn.type(cipherBlockChaining_object)->isa_instptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5513 assert(tinst != NULL, "CBC obj is null");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5514 assert(tinst->klass()->is_loaded(), "CBC obj is not loaded");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5515 ciKlass* klass_AESCrypt = tinst->klass()->as_instance_klass()->find_klass(ciSymbol::make("com/sun/crypto/provider/AESCrypt"));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5516 if (!klass_AESCrypt->is_loaded()) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5517
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5518 ciInstanceKlass* instklass_AESCrypt = klass_AESCrypt->as_instance_klass();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5519 const TypeKlassPtr* aklass = TypeKlassPtr::make(instklass_AESCrypt);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5520 const TypeOopPtr* xtype = aklass->as_instance_type();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5521 Node* aescrypt_object = new(C) CheckCastPPNode(control(), embeddedCipherObj, xtype);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5522 aescrypt_object = _gvn.transform(aescrypt_object);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5523
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5524 // we need to get the start of the aescrypt_object's expanded key array
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5525 Node* k_start = get_key_start_from_aescrypt_object(aescrypt_object);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5526 if (k_start == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5527
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5528 // similarly, get the start address of the r vector
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5529 Node* objRvec = load_field_from_object(cipherBlockChaining_object, "r", "[B", /is_exact/ false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5530 if (objRvec == NULL) return false;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5531 Node* r_start = array_element_address(objRvec, intcon(0), T_BYTE);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5532
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5533 // Call the stub, passing src_start, dest_start, k_start, r_start and src_len
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5534 make_runtime_call(RC_LEAF\|RC_NO_FP,
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5535 OptoRuntime::cipherBlockChaining_aescrypt_Type(),
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5536 stubAddr, stubName, TypePtr::BOTTOM,
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5537 src_start, dest_start, k_start, r_start, len);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5538
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5539 // return is void so no result needs to be pushed
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5540
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5541 return true;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5542 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5543
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5544 //------------------------------get_key_start_from_aescrypt_object-----------------------
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5545 Node * LibraryCallKit::get_key_start_from_aescrypt_object(Node *aescrypt_object) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5546 Node* objAESCryptKey = load_field_from_object(aescrypt_object, "K", "[I", /is_exact/ false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5547 assert (objAESCryptKey != NULL, "wrong version of com.sun.crypto.provider.AESCrypt");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5548 if (objAESCryptKey == NULL) return (Node *) NULL;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5549
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5550 // now have the array, need to get the start address of the K array
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5551 Node* k_start = array_element_address(objAESCryptKey, intcon(0), T_INT);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5552 return k_start;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5553 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5554
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5555 //----------------------------inline_cipherBlockChaining_AESCrypt_predicate----------------------------
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5556 // Return node representing slow path of predicate check.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5557 // the pseudo code we want to emulate with this predicate is:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5558 // for encryption:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5559 // if (embeddedCipherObj instanceof AESCrypt) do_intrinsic, else do_javapath
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5560 // for decryption:
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5561 // if ((embeddedCipherObj instanceof AESCrypt) && (cipher!=plain)) do_intrinsic, else do_javapath
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5562 // note cipher==plain is more conservative than the original java code but that's OK
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5563 //
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5564 Node* LibraryCallKit::inline_cipherBlockChaining_AESCrypt_predicate(bool decrypting) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5565 // First, check receiver for NULL since it is virtual method.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5566 Node* objCBC = argument(0);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5567 objCBC = null_check(objCBC);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5568
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5569 if (stopped()) return NULL; // Always NULL
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5570
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5571 // Load embeddedCipher field of CipherBlockChaining object.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5572 Node* embeddedCipherObj = load_field_from_object(objCBC, "embeddedCipher", "Lcom/sun/crypto/provider/SymmetricCipher;", /is_exact/ false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5573
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5574 // get AESCrypt klass for instanceOf check
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5575 // AESCrypt might not be loaded yet if some other SymmetricCipher got us to this compile point
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5576 // will have same classloader as CipherBlockChaining object
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5577 const TypeInstPtr* tinst = _gvn.type(objCBC)->isa_instptr();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5578 assert(tinst != NULL, "CBCobj is null");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5579 assert(tinst->klass()->is_loaded(), "CBCobj is not loaded");
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5580
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5581 // we want to do an instanceof comparison against the AESCrypt class
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5582 ciKlass* klass_AESCrypt = tinst->klass()->as_instance_klass()->find_klass(ciSymbol::make("com/sun/crypto/provider/AESCrypt"));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5583 if (!klass_AESCrypt->is_loaded()) {
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5584 // if AESCrypt is not even loaded, we never take the intrinsic fast path
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5585 Node* ctrl = control();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5586 set_control(top()); // no regular fast path
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5587 return ctrl;
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5588 }
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5589 ciInstanceKlass* instklass_AESCrypt = klass_AESCrypt->as_instance_klass();
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5590
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5591 Node* instof = gen_instanceof(embeddedCipherObj, makecon(TypeKlassPtr::make(instklass_AESCrypt)));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5592 Node* cmp_instof = _gvn.transform(new (C) CmpINode(instof, intcon(1)));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5593 Node* bool_instof = _gvn.transform(new (C) BoolNode(cmp_instof, BoolTest::ne));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5594
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5595 Node* instof_false = generate_guard(bool_instof, NULL, PROB_MIN);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5596
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5597 // for encryption, we are done
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5598 if (!decrypting)
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5599 return instof_false; // even if it is NULL
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5600
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5601 // for decryption, we need to add a further check to avoid
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5602 // taking the intrinsic path when cipher and plain are the same
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5603 // see the original java code for why.
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5604 RegionNode* region = new(C) RegionNode(3);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5605 region->init_req(1, instof_false);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5606 Node* src = argument(1);
7194 beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop() twisti parents: 6894 diff changeset	5607 Node* dest = argument(4);
6894 a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5608 Node* cmp_src_dest = _gvn.transform(new (C) CmpPNode(src, dest));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5609 Node* bool_src_dest = _gvn.transform(new (C) BoolNode(cmp_src_dest, BoolTest::eq));
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5610 Node* src_dest_conjoint = generate_guard(bool_src_dest, NULL, PROB_MIN);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5611 region->init_req(2, src_dest_conjoint);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5612
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5613 record_for_igvn(region);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5614 return _gvn.transform(region);
a3ecd773a7b9 7184394: add intrinsics to use AES instructions kvn parents: 6888 diff changeset	5615 }

Mercurial > hg > truffle

annotate src/share/vm/opto/library_call.cpp @ 7421:ad5dd04754ee