Mercurial > hg > graal-compiler
annotate src/cpu/sparc/vm/templateTable_sparc.cpp @ 10527:2b95d5b1958b
change to GC verification during gate: run in product, add after-GC verification
author | Lukas Stadler <lukas.stadler@jku.at> |
---|---|
date | Tue, 25 Jun 2013 10:22:02 +0200 |
parents | 63e44cdabb91 |
children | 6b0fd0964b87 |
rev | line source |
---|---|
0 | 1 /* |
8104 | 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
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:
1506
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/interpreter.hpp" | |
27 #include "interpreter/interpreterRuntime.hpp" | |
28 #include "interpreter/templateTable.hpp" | |
29 #include "memory/universe.inline.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
30 #include "oops/methodData.hpp" |
1972 | 31 #include "oops/objArrayKlass.hpp" |
32 #include "oops/oop.inline.hpp" | |
33 #include "prims/methodHandles.hpp" | |
34 #include "runtime/sharedRuntime.hpp" | |
35 #include "runtime/stubRoutines.hpp" | |
36 #include "runtime/synchronizer.hpp" | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
37 #include "utilities/macros.hpp" |
0 | 38 |
39 #ifndef CC_INTERP | |
40 #define __ _masm-> | |
41 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
42 // Misc helpers |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
43 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
44 // Do an oop store like *(base + index + offset) = val |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
45 // index can be noreg, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
46 static void do_oop_store(InterpreterMacroAssembler* _masm, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
47 Register base, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
48 Register index, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
49 int offset, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
50 Register val, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
51 Register tmp, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
52 BarrierSet::Name barrier, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
53 bool precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
54 assert(tmp != val && tmp != base && tmp != index, "register collision"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
55 assert(index == noreg || offset == 0, "only one offset"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
56 switch (barrier) { |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
57 #if INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
58 case BarrierSet::G1SATBCT: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
59 case BarrierSet::G1SATBCTLogging: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
60 { |
3249
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2357
diff
changeset
|
61 // Load and record the previous value. |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2357
diff
changeset
|
62 __ g1_write_barrier_pre(base, index, offset, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2357
diff
changeset
|
63 noreg /* pre_val */, |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2357
diff
changeset
|
64 tmp, true /*preserve_o_regs*/); |
e1162778c1c8
7009266: G1: assert(obj->is_oop_or_null(true )) failed: Error
johnc
parents:
2357
diff
changeset
|
65 |
10102
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
66 // G1 barrier needs uncompressed oop for region cross check. |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
67 Register new_val = val; |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
68 if (UseCompressedOops && val != G0) { |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
69 new_val = tmp; |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
70 __ mov(val, new_val); |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
71 } |
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
72 |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
73 if (index == noreg ) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
74 assert(Assembler::is_simm13(offset), "fix this code"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
75 __ store_heap_oop(val, base, offset); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
76 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
77 __ store_heap_oop(val, base, index); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
78 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
79 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
80 // No need for post barrier if storing NULL |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
81 if (val != G0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
82 if (precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
83 if (index == noreg) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
84 __ add(base, offset, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
85 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
86 __ add(base, index, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
87 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
88 } |
10102
f2e682ef3156
8012335: G1: Fix bug with compressed oops in template interpreter on x86 and sparc.
johnc
parents:
8104
diff
changeset
|
89 __ g1_write_barrier_post(base, new_val, tmp); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
90 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
91 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
92 break; |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7402
diff
changeset
|
93 #endif // INCLUDE_ALL_GCS |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
94 case BarrierSet::CardTableModRef: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
95 case BarrierSet::CardTableExtension: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
96 { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
97 if (index == noreg ) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
98 assert(Assembler::is_simm13(offset), "fix this code"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
99 __ store_heap_oop(val, base, offset); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
100 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
101 __ store_heap_oop(val, base, index); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
102 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
103 // No need for post barrier if storing NULL |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
104 if (val != G0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
105 if (precise) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
106 if (index == noreg) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
107 __ add(base, offset, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
108 } else { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
109 __ add(base, index, base); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
110 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
111 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
112 __ card_write_barrier_post(base, val, tmp); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
113 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
114 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
115 break; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
116 case BarrierSet::ModRef: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
117 case BarrierSet::Other: |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
118 ShouldNotReachHere(); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
119 break; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
120 default : |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
121 ShouldNotReachHere(); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
122 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
123 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
124 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
125 |
0 | 126 |
127 //---------------------------------------------------------------------------------------------------- | |
128 // Platform-dependent initialization | |
129 | |
130 void TemplateTable::pd_initialize() { | |
131 // (none) | |
132 } | |
133 | |
134 | |
135 //---------------------------------------------------------------------------------------------------- | |
136 // Condition conversion | |
137 Assembler::Condition ccNot(TemplateTable::Condition cc) { | |
138 switch (cc) { | |
139 case TemplateTable::equal : return Assembler::notEqual; | |
140 case TemplateTable::not_equal : return Assembler::equal; | |
141 case TemplateTable::less : return Assembler::greaterEqual; | |
142 case TemplateTable::less_equal : return Assembler::greater; | |
143 case TemplateTable::greater : return Assembler::lessEqual; | |
144 case TemplateTable::greater_equal: return Assembler::less; | |
145 } | |
146 ShouldNotReachHere(); | |
147 return Assembler::zero; | |
148 } | |
149 | |
150 //---------------------------------------------------------------------------------------------------- | |
151 // Miscelaneous helper routines | |
152 | |
153 | |
154 Address TemplateTable::at_bcp(int offset) { | |
155 assert(_desc->uses_bcp(), "inconsistent uses_bcp information"); | |
727 | 156 return Address(Lbcp, offset); |
0 | 157 } |
158 | |
159 | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
160 void TemplateTable::patch_bytecode(Bytecodes::Code bc, Register bc_reg, |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
161 Register temp_reg, bool load_bc_into_bc_reg/*=true*/, |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
162 int byte_no) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
163 // With sharing on, may need to test Method* flag. |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
164 if (!RewriteBytecodes) return; |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
165 Label L_patch_done; |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
166 |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
167 switch (bc) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
168 case Bytecodes::_fast_aputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
169 case Bytecodes::_fast_bputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
170 case Bytecodes::_fast_cputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
171 case Bytecodes::_fast_dputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
172 case Bytecodes::_fast_fputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
173 case Bytecodes::_fast_iputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
174 case Bytecodes::_fast_lputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
175 case Bytecodes::_fast_sputfield: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
176 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
177 // We skip bytecode quickening for putfield instructions when |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
178 // the put_code written to the constant pool cache is zero. |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
179 // This is required so that every execution of this instruction |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
180 // calls out to InterpreterRuntime::resolve_get_put to do |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
181 // additional, required work. |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
182 assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
183 assert(load_bc_into_bc_reg, "we use bc_reg as temp"); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
184 __ get_cache_and_index_and_bytecode_at_bcp(bc_reg, temp_reg, temp_reg, byte_no, 1); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
185 __ set(bc, bc_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
186 __ cmp_and_br_short(temp_reg, 0, Assembler::equal, Assembler::pn, L_patch_done); // don't patch |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
187 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
188 break; |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
189 default: |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
190 assert(byte_no == -1, "sanity"); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
191 if (load_bc_into_bc_reg) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
192 __ set(bc, bc_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
193 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
194 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
195 |
0 | 196 if (JvmtiExport::can_post_breakpoint()) { |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
197 Label L_fast_patch; |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
198 __ ldub(at_bcp(0), temp_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
199 __ cmp_and_br_short(temp_reg, Bytecodes::_breakpoint, Assembler::notEqual, Assembler::pt, L_fast_patch); |
0 | 200 // perform the quickening, slowly, in the bowels of the breakpoint table |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
201 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), Lmethod, Lbcp, bc_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
202 __ ba_short(L_patch_done); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
203 __ bind(L_fast_patch); |
0 | 204 } |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
205 |
0 | 206 #ifdef ASSERT |
207 Bytecodes::Code orig_bytecode = Bytecodes::java_code(bc); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
208 Label L_okay; |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
209 __ ldub(at_bcp(0), temp_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
210 __ cmp(temp_reg, orig_bytecode); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
211 __ br(Assembler::equal, false, Assembler::pt, L_okay); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
212 __ delayed()->cmp(temp_reg, bc_reg); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
213 __ br(Assembler::equal, false, Assembler::pt, L_okay); |
0 | 214 __ delayed()->nop(); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
215 __ stop("patching the wrong bytecode"); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
216 __ bind(L_okay); |
0 | 217 #endif |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
218 |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
219 // patch bytecode |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
220 __ stb(bc_reg, at_bcp(0)); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
221 __ bind(L_patch_done); |
0 | 222 } |
223 | |
224 //---------------------------------------------------------------------------------------------------- | |
225 // Individual instructions | |
226 | |
227 void TemplateTable::nop() { | |
228 transition(vtos, vtos); | |
229 // nothing to do | |
230 } | |
231 | |
232 void TemplateTable::shouldnotreachhere() { | |
233 transition(vtos, vtos); | |
234 __ stop("shouldnotreachhere bytecode"); | |
235 } | |
236 | |
237 void TemplateTable::aconst_null() { | |
238 transition(vtos, atos); | |
239 __ clr(Otos_i); | |
240 } | |
241 | |
242 | |
243 void TemplateTable::iconst(int value) { | |
244 transition(vtos, itos); | |
245 __ set(value, Otos_i); | |
246 } | |
247 | |
248 | |
249 void TemplateTable::lconst(int value) { | |
250 transition(vtos, ltos); | |
251 assert(value >= 0, "check this code"); | |
252 #ifdef _LP64 | |
253 __ set(value, Otos_l); | |
254 #else | |
255 __ set(value, Otos_l2); | |
256 __ clr( Otos_l1); | |
257 #endif | |
258 } | |
259 | |
260 | |
261 void TemplateTable::fconst(int value) { | |
262 transition(vtos, ftos); | |
263 static float zero = 0.0, one = 1.0, two = 2.0; | |
264 float* p; | |
265 switch( value ) { | |
266 default: ShouldNotReachHere(); | |
267 case 0: p = &zero; break; | |
268 case 1: p = &one; break; | |
269 case 2: p = &two; break; | |
270 } | |
727 | 271 AddressLiteral a(p); |
272 __ sethi(a, G3_scratch); | |
273 __ ldf(FloatRegisterImpl::S, G3_scratch, a.low10(), Ftos_f); | |
0 | 274 } |
275 | |
276 | |
277 void TemplateTable::dconst(int value) { | |
278 transition(vtos, dtos); | |
279 static double zero = 0.0, one = 1.0; | |
280 double* p; | |
281 switch( value ) { | |
282 default: ShouldNotReachHere(); | |
283 case 0: p = &zero; break; | |
284 case 1: p = &one; break; | |
285 } | |
727 | 286 AddressLiteral a(p); |
287 __ sethi(a, G3_scratch); | |
288 __ ldf(FloatRegisterImpl::D, G3_scratch, a.low10(), Ftos_d); | |
0 | 289 } |
290 | |
291 | |
292 // %%%%% Should factore most snippet templates across platforms | |
293 | |
294 void TemplateTable::bipush() { | |
295 transition(vtos, itos); | |
296 __ ldsb( at_bcp(1), Otos_i ); | |
297 } | |
298 | |
299 void TemplateTable::sipush() { | |
300 transition(vtos, itos); | |
301 __ get_2_byte_integer_at_bcp(1, G3_scratch, Otos_i, InterpreterMacroAssembler::Signed); | |
302 } | |
303 | |
304 void TemplateTable::ldc(bool wide) { | |
305 transition(vtos, vtos); | |
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3284
diff
changeset
|
306 Label call_ldc, notInt, isString, notString, notClass, exit; |
0 | 307 |
308 if (wide) { | |
309 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); | |
310 } else { | |
311 __ ldub(Lbcp, 1, O1); | |
312 } | |
313 __ get_cpool_and_tags(O0, O2); | |
314 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
315 const int base_offset = ConstantPool::header_size() * wordSize; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
316 const int tags_offset = Array<u1>::base_offset_in_bytes(); |
0 | 317 |
318 // get type from tags | |
319 __ add(O2, tags_offset, O2); | |
320 __ ldub(O2, O1, O2); | |
3839 | 321 |
322 // unresolved class? If so, must resolve | |
323 __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClass, Assembler::equal, Assembler::pt, call_ldc); | |
324 | |
325 // unresolved class in error state | |
326 __ cmp_and_brx_short(O2, JVM_CONSTANT_UnresolvedClassInError, Assembler::equal, Assembler::pn, call_ldc); | |
0 | 327 |
328 __ cmp(O2, JVM_CONSTANT_Class); // need to call vm to get java mirror of the class | |
329 __ brx(Assembler::notEqual, true, Assembler::pt, notClass); | |
330 __ delayed()->add(O0, base_offset, O0); | |
331 | |
332 __ bind(call_ldc); | |
333 __ set(wide, O1); | |
334 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), O1); | |
335 __ push(atos); | |
3839 | 336 __ ba_short(exit); |
0 | 337 |
338 __ bind(notClass); | |
339 // __ add(O0, base_offset, O0); | |
340 __ sll(O1, LogBytesPerWord, O1); | |
341 __ cmp(O2, JVM_CONSTANT_Integer); | |
342 __ brx(Assembler::notEqual, true, Assembler::pt, notInt); | |
343 __ delayed()->cmp(O2, JVM_CONSTANT_String); | |
344 __ ld(O0, O1, Otos_i); | |
345 __ push(itos); | |
3839 | 346 __ ba_short(exit); |
0 | 347 |
348 __ bind(notInt); | |
349 // __ cmp(O2, JVM_CONSTANT_String); | |
350 __ brx(Assembler::notEqual, true, Assembler::pt, notString); | |
351 __ delayed()->ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
3461
81d815b05abb
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
3284
diff
changeset
|
352 __ bind(isString); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
353 __ stop("string should be rewritten to fast_aldc"); |
3839 | 354 __ ba_short(exit); |
0 | 355 |
356 __ bind(notString); | |
357 // __ ldf(FloatRegisterImpl::S, O0, O1, Ftos_f); | |
358 __ push(ftos); | |
359 | |
360 __ bind(exit); | |
361 } | |
362 | |
1602 | 363 // Fast path for caching oop constants. |
364 // %%% We should use this to handle Class and String constants also. | |
365 // %%% It will simplify the ldc/primitive path considerably. | |
366 void TemplateTable::fast_aldc(bool wide) { | |
367 transition(vtos, atos); | |
368 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
369 int index_size = wide ? sizeof(u2) : sizeof(u1); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
370 Label resolved; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
371 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
372 // We are resolved if the resolved reference cache entry contains a |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
373 // non-null object (CallSite, etc.) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
374 assert_different_registers(Otos_i, G3_scratch); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
375 __ get_cache_index_at_bcp(Otos_i, G3_scratch, 1, index_size); // load index => G3_scratch |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
376 __ load_resolved_reference_at_index(Otos_i, G3_scratch); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
377 __ tst(Otos_i); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
378 __ br(Assembler::notEqual, false, Assembler::pt, resolved); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
379 __ delayed()->set((int)bytecode(), O1); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
380 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
381 address entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
382 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
383 // first time invocation - must resolve first |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
384 __ call_VM(Otos_i, entry, O1); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
385 __ bind(resolved); |
1602 | 386 __ verify_oop(Otos_i); |
387 } | |
388 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
389 |
0 | 390 void TemplateTable::ldc2_w() { |
391 transition(vtos, vtos); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
392 Label Long, exit; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
393 |
0 | 394 __ get_2_byte_integer_at_bcp(1, G3_scratch, O1, InterpreterMacroAssembler::Unsigned); |
395 __ get_cpool_and_tags(O0, O2); | |
396 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
397 const int base_offset = ConstantPool::header_size() * wordSize; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
398 const int tags_offset = Array<u1>::base_offset_in_bytes(); |
0 | 399 // get type from tags |
400 __ add(O2, tags_offset, O2); | |
401 __ ldub(O2, O1, O2); | |
402 | |
403 __ sll(O1, LogBytesPerWord, O1); | |
404 __ add(O0, O1, G3_scratch); | |
405 | |
3839 | 406 __ cmp_and_brx_short(O2, JVM_CONSTANT_Double, Assembler::notEqual, Assembler::pt, Long); |
0 | 407 // A double can be placed at word-aligned locations in the constant pool. |
408 // Check out Conversions.java for an example. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
409 // Also ConstantPool::header_size() is 20, which makes it very difficult |
0 | 410 // to double-align double on the constant pool. SG, 11/7/97 |
411 #ifdef _LP64 | |
412 __ ldf(FloatRegisterImpl::D, G3_scratch, base_offset, Ftos_d); | |
413 #else | |
414 FloatRegister f = Ftos_d; | |
415 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset, f); | |
416 __ ldf(FloatRegisterImpl::S, G3_scratch, base_offset + sizeof(jdouble)/2, | |
417 f->successor()); | |
418 #endif | |
419 __ push(dtos); | |
3839 | 420 __ ba_short(exit); |
0 | 421 |
422 __ bind(Long); | |
423 #ifdef _LP64 | |
424 __ ldx(G3_scratch, base_offset, Otos_l); | |
425 #else | |
426 __ ld(G3_scratch, base_offset, Otos_l); | |
427 __ ld(G3_scratch, base_offset + sizeof(jlong)/2, Otos_l->successor()); | |
428 #endif | |
429 __ push(ltos); | |
430 | |
431 __ bind(exit); | |
432 } | |
433 | |
434 | |
435 void TemplateTable::locals_index(Register reg, int offset) { | |
436 __ ldub( at_bcp(offset), reg ); | |
437 } | |
438 | |
439 | |
440 void TemplateTable::locals_index_wide(Register reg) { | |
441 // offset is 2, not 1, because Lbcp points to wide prefix code | |
442 __ get_2_byte_integer_at_bcp(2, G4_scratch, reg, InterpreterMacroAssembler::Unsigned); | |
443 } | |
444 | |
445 void TemplateTable::iload() { | |
446 transition(vtos, itos); | |
447 // Rewrite iload,iload pair into fast_iload2 | |
448 // iload,caload pair into fast_icaload | |
449 if (RewriteFrequentPairs) { | |
450 Label rewrite, done; | |
451 | |
452 // get next byte | |
453 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_iload)), G3_scratch); | |
454 | |
455 // if _iload, wait to rewrite to iload2. We only want to rewrite the | |
456 // last two iloads in a pair. Comparing against fast_iload means that | |
457 // the next bytecode is neither an iload or a caload, and therefore | |
458 // an iload pair. | |
3839 | 459 __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_iload, Assembler::equal, Assembler::pn, done); |
0 | 460 |
461 __ cmp(G3_scratch, (int)Bytecodes::_fast_iload); | |
462 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
463 __ delayed()->set(Bytecodes::_fast_iload2, G4_scratch); | |
464 | |
465 __ cmp(G3_scratch, (int)Bytecodes::_caload); | |
466 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
467 __ delayed()->set(Bytecodes::_fast_icaload, G4_scratch); | |
468 | |
469 __ set(Bytecodes::_fast_iload, G4_scratch); // don't check again | |
470 // rewrite | |
471 // G4_scratch: fast bytecode | |
472 __ bind(rewrite); | |
473 patch_bytecode(Bytecodes::_iload, G4_scratch, G3_scratch, false); | |
474 __ bind(done); | |
475 } | |
476 | |
477 // Get the local value into tos | |
478 locals_index(G3_scratch); | |
479 __ access_local_int( G3_scratch, Otos_i ); | |
480 } | |
481 | |
482 void TemplateTable::fast_iload2() { | |
483 transition(vtos, itos); | |
484 locals_index(G3_scratch); | |
485 __ access_local_int( G3_scratch, Otos_i ); | |
486 __ push_i(); | |
487 locals_index(G3_scratch, 3); // get next bytecode's local index. | |
488 __ access_local_int( G3_scratch, Otos_i ); | |
489 } | |
490 | |
491 void TemplateTable::fast_iload() { | |
492 transition(vtos, itos); | |
493 locals_index(G3_scratch); | |
494 __ access_local_int( G3_scratch, Otos_i ); | |
495 } | |
496 | |
497 void TemplateTable::lload() { | |
498 transition(vtos, ltos); | |
499 locals_index(G3_scratch); | |
500 __ access_local_long( G3_scratch, Otos_l ); | |
501 } | |
502 | |
503 | |
504 void TemplateTable::fload() { | |
505 transition(vtos, ftos); | |
506 locals_index(G3_scratch); | |
507 __ access_local_float( G3_scratch, Ftos_f ); | |
508 } | |
509 | |
510 | |
511 void TemplateTable::dload() { | |
512 transition(vtos, dtos); | |
513 locals_index(G3_scratch); | |
514 __ access_local_double( G3_scratch, Ftos_d ); | |
515 } | |
516 | |
517 | |
518 void TemplateTable::aload() { | |
519 transition(vtos, atos); | |
520 locals_index(G3_scratch); | |
521 __ access_local_ptr( G3_scratch, Otos_i); | |
522 } | |
523 | |
524 | |
525 void TemplateTable::wide_iload() { | |
526 transition(vtos, itos); | |
527 locals_index_wide(G3_scratch); | |
528 __ access_local_int( G3_scratch, Otos_i ); | |
529 } | |
530 | |
531 | |
532 void TemplateTable::wide_lload() { | |
533 transition(vtos, ltos); | |
534 locals_index_wide(G3_scratch); | |
535 __ access_local_long( G3_scratch, Otos_l ); | |
536 } | |
537 | |
538 | |
539 void TemplateTable::wide_fload() { | |
540 transition(vtos, ftos); | |
541 locals_index_wide(G3_scratch); | |
542 __ access_local_float( G3_scratch, Ftos_f ); | |
543 } | |
544 | |
545 | |
546 void TemplateTable::wide_dload() { | |
547 transition(vtos, dtos); | |
548 locals_index_wide(G3_scratch); | |
549 __ access_local_double( G3_scratch, Ftos_d ); | |
550 } | |
551 | |
552 | |
553 void TemplateTable::wide_aload() { | |
554 transition(vtos, atos); | |
555 locals_index_wide(G3_scratch); | |
556 __ access_local_ptr( G3_scratch, Otos_i ); | |
557 __ verify_oop(Otos_i); | |
558 } | |
559 | |
560 | |
561 void TemplateTable::iaload() { | |
562 transition(itos, itos); | |
563 // Otos_i: index | |
564 // tos: array | |
565 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
566 __ ld(O3, arrayOopDesc::base_offset_in_bytes(T_INT), Otos_i); | |
567 } | |
568 | |
569 | |
570 void TemplateTable::laload() { | |
571 transition(itos, ltos); | |
572 // Otos_i: index | |
573 // O2: array | |
574 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
575 __ ld_long(O3, arrayOopDesc::base_offset_in_bytes(T_LONG), Otos_l); | |
576 } | |
577 | |
578 | |
579 void TemplateTable::faload() { | |
580 transition(itos, ftos); | |
581 // Otos_i: index | |
582 // O2: array | |
583 __ index_check(O2, Otos_i, LogBytesPerInt, G3_scratch, O3); | |
584 __ ldf(FloatRegisterImpl::S, O3, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Ftos_f); | |
585 } | |
586 | |
587 | |
588 void TemplateTable::daload() { | |
589 transition(itos, dtos); | |
590 // Otos_i: index | |
591 // O2: array | |
592 __ index_check(O2, Otos_i, LogBytesPerLong, G3_scratch, O3); | |
593 __ ldf(FloatRegisterImpl::D, O3, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Ftos_d); | |
594 } | |
595 | |
596 | |
597 void TemplateTable::aaload() { | |
598 transition(itos, atos); | |
599 // Otos_i: index | |
600 // tos: array | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
601 __ index_check(O2, Otos_i, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O3); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
602 __ load_heap_oop(O3, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i); |
0 | 603 __ verify_oop(Otos_i); |
604 } | |
605 | |
606 | |
607 void TemplateTable::baload() { | |
608 transition(itos, itos); | |
609 // Otos_i: index | |
610 // tos: array | |
611 __ index_check(O2, Otos_i, 0, G3_scratch, O3); | |
612 __ ldsb(O3, arrayOopDesc::base_offset_in_bytes(T_BYTE), Otos_i); | |
613 } | |
614 | |
615 | |
616 void TemplateTable::caload() { | |
617 transition(itos, itos); | |
618 // Otos_i: index | |
619 // tos: array | |
620 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
621 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
622 } | |
623 | |
624 void TemplateTable::fast_icaload() { | |
625 transition(vtos, itos); | |
626 // Otos_i: index | |
627 // tos: array | |
628 locals_index(G3_scratch); | |
629 __ access_local_int( G3_scratch, Otos_i ); | |
630 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
631 __ lduh(O3, arrayOopDesc::base_offset_in_bytes(T_CHAR), Otos_i); | |
632 } | |
633 | |
634 | |
635 void TemplateTable::saload() { | |
636 transition(itos, itos); | |
637 // Otos_i: index | |
638 // tos: array | |
639 __ index_check(O2, Otos_i, LogBytesPerShort, G3_scratch, O3); | |
640 __ ldsh(O3, arrayOopDesc::base_offset_in_bytes(T_SHORT), Otos_i); | |
641 } | |
642 | |
643 | |
644 void TemplateTable::iload(int n) { | |
645 transition(vtos, itos); | |
646 __ ld( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
647 } | |
648 | |
649 | |
650 void TemplateTable::lload(int n) { | |
651 transition(vtos, ltos); | |
652 assert(n+1 < Argument::n_register_parameters, "would need more code"); | |
653 __ load_unaligned_long(Llocals, Interpreter::local_offset_in_bytes(n+1), Otos_l); | |
654 } | |
655 | |
656 | |
657 void TemplateTable::fload(int n) { | |
658 transition(vtos, ftos); | |
659 assert(n < Argument::n_register_parameters, "would need more code"); | |
660 __ ldf( FloatRegisterImpl::S, Llocals, Interpreter::local_offset_in_bytes(n), Ftos_f ); | |
661 } | |
662 | |
663 | |
664 void TemplateTable::dload(int n) { | |
665 transition(vtos, dtos); | |
666 FloatRegister dst = Ftos_d; | |
667 __ load_unaligned_double(Llocals, Interpreter::local_offset_in_bytes(n+1), dst); | |
668 } | |
669 | |
670 | |
671 void TemplateTable::aload(int n) { | |
672 transition(vtos, atos); | |
673 __ ld_ptr( Llocals, Interpreter::local_offset_in_bytes(n), Otos_i ); | |
674 } | |
675 | |
676 | |
677 void TemplateTable::aload_0() { | |
678 transition(vtos, atos); | |
679 | |
680 // According to bytecode histograms, the pairs: | |
681 // | |
682 // _aload_0, _fast_igetfield (itos) | |
683 // _aload_0, _fast_agetfield (atos) | |
684 // _aload_0, _fast_fgetfield (ftos) | |
685 // | |
686 // occur frequently. If RewriteFrequentPairs is set, the (slow) _aload_0 | |
687 // bytecode checks the next bytecode and then rewrites the current | |
688 // bytecode into a pair bytecode; otherwise it rewrites the current | |
689 // bytecode into _fast_aload_0 that doesn't do the pair check anymore. | |
690 // | |
691 if (RewriteFrequentPairs) { | |
692 Label rewrite, done; | |
693 | |
694 // get next byte | |
695 __ ldub(at_bcp(Bytecodes::length_for(Bytecodes::_aload_0)), G3_scratch); | |
696 | |
697 // do actual aload_0 | |
698 aload(0); | |
699 | |
700 // if _getfield then wait with rewrite | |
3839 | 701 __ cmp_and_br_short(G3_scratch, (int)Bytecodes::_getfield, Assembler::equal, Assembler::pn, done); |
0 | 702 |
703 // if _igetfield then rewrite to _fast_iaccess_0 | |
704 assert(Bytecodes::java_code(Bytecodes::_fast_iaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
705 __ cmp(G3_scratch, (int)Bytecodes::_fast_igetfield); | |
706 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
707 __ delayed()->set(Bytecodes::_fast_iaccess_0, G4_scratch); | |
708 | |
709 // if _agetfield then rewrite to _fast_aaccess_0 | |
710 assert(Bytecodes::java_code(Bytecodes::_fast_aaccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
711 __ cmp(G3_scratch, (int)Bytecodes::_fast_agetfield); | |
712 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
713 __ delayed()->set(Bytecodes::_fast_aaccess_0, G4_scratch); | |
714 | |
715 // if _fgetfield then rewrite to _fast_faccess_0 | |
716 assert(Bytecodes::java_code(Bytecodes::_fast_faccess_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
717 __ cmp(G3_scratch, (int)Bytecodes::_fast_fgetfield); | |
718 __ br(Assembler::equal, false, Assembler::pn, rewrite); | |
719 __ delayed()->set(Bytecodes::_fast_faccess_0, G4_scratch); | |
720 | |
721 // else rewrite to _fast_aload0 | |
722 assert(Bytecodes::java_code(Bytecodes::_fast_aload_0) == Bytecodes::_aload_0, "adjust fast bytecode def"); | |
723 __ set(Bytecodes::_fast_aload_0, G4_scratch); | |
724 | |
725 // rewrite | |
726 // G4_scratch: fast bytecode | |
727 __ bind(rewrite); | |
728 patch_bytecode(Bytecodes::_aload_0, G4_scratch, G3_scratch, false); | |
729 __ bind(done); | |
730 } else { | |
731 aload(0); | |
732 } | |
733 } | |
734 | |
735 | |
736 void TemplateTable::istore() { | |
737 transition(itos, vtos); | |
738 locals_index(G3_scratch); | |
739 __ store_local_int( G3_scratch, Otos_i ); | |
740 } | |
741 | |
742 | |
743 void TemplateTable::lstore() { | |
744 transition(ltos, vtos); | |
745 locals_index(G3_scratch); | |
746 __ store_local_long( G3_scratch, Otos_l ); | |
747 } | |
748 | |
749 | |
750 void TemplateTable::fstore() { | |
751 transition(ftos, vtos); | |
752 locals_index(G3_scratch); | |
753 __ store_local_float( G3_scratch, Ftos_f ); | |
754 } | |
755 | |
756 | |
757 void TemplateTable::dstore() { | |
758 transition(dtos, vtos); | |
759 locals_index(G3_scratch); | |
760 __ store_local_double( G3_scratch, Ftos_d ); | |
761 } | |
762 | |
763 | |
764 void TemplateTable::astore() { | |
765 transition(vtos, vtos); | |
1506 | 766 __ load_ptr(0, Otos_i); |
767 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 768 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
769 locals_index(G3_scratch); | |
1506 | 770 __ store_local_ptr(G3_scratch, Otos_i); |
0 | 771 } |
772 | |
773 | |
774 void TemplateTable::wide_istore() { | |
775 transition(vtos, vtos); | |
776 __ pop_i(); | |
777 locals_index_wide(G3_scratch); | |
778 __ store_local_int( G3_scratch, Otos_i ); | |
779 } | |
780 | |
781 | |
782 void TemplateTable::wide_lstore() { | |
783 transition(vtos, vtos); | |
784 __ pop_l(); | |
785 locals_index_wide(G3_scratch); | |
786 __ store_local_long( G3_scratch, Otos_l ); | |
787 } | |
788 | |
789 | |
790 void TemplateTable::wide_fstore() { | |
791 transition(vtos, vtos); | |
792 __ pop_f(); | |
793 locals_index_wide(G3_scratch); | |
794 __ store_local_float( G3_scratch, Ftos_f ); | |
795 } | |
796 | |
797 | |
798 void TemplateTable::wide_dstore() { | |
799 transition(vtos, vtos); | |
800 __ pop_d(); | |
801 locals_index_wide(G3_scratch); | |
802 __ store_local_double( G3_scratch, Ftos_d ); | |
803 } | |
804 | |
805 | |
806 void TemplateTable::wide_astore() { | |
807 transition(vtos, vtos); | |
1506 | 808 __ load_ptr(0, Otos_i); |
809 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 810 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
811 locals_index_wide(G3_scratch); | |
1506 | 812 __ store_local_ptr(G3_scratch, Otos_i); |
0 | 813 } |
814 | |
815 | |
816 void TemplateTable::iastore() { | |
817 transition(itos, vtos); | |
818 __ pop_i(O2); // index | |
819 // Otos_i: val | |
820 // O3: array | |
821 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
822 __ st(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_INT)); | |
823 } | |
824 | |
825 | |
826 void TemplateTable::lastore() { | |
827 transition(ltos, vtos); | |
828 __ pop_i(O2); // index | |
829 // Otos_l: val | |
830 // O3: array | |
831 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
832 __ st_long(Otos_l, O2, arrayOopDesc::base_offset_in_bytes(T_LONG)); | |
833 } | |
834 | |
835 | |
836 void TemplateTable::fastore() { | |
837 transition(ftos, vtos); | |
838 __ pop_i(O2); // index | |
839 // Ftos_f: val | |
840 // O3: array | |
841 __ index_check(O3, O2, LogBytesPerInt, G3_scratch, O2); | |
842 __ stf(FloatRegisterImpl::S, Ftos_f, O2, arrayOopDesc::base_offset_in_bytes(T_FLOAT)); | |
843 } | |
844 | |
845 | |
846 void TemplateTable::dastore() { | |
847 transition(dtos, vtos); | |
848 __ pop_i(O2); // index | |
849 // Fos_d: val | |
850 // O3: array | |
851 __ index_check(O3, O2, LogBytesPerLong, G3_scratch, O2); | |
852 __ stf(FloatRegisterImpl::D, Ftos_d, O2, arrayOopDesc::base_offset_in_bytes(T_DOUBLE)); | |
853 } | |
854 | |
855 | |
856 void TemplateTable::aastore() { | |
857 Label store_ok, is_null, done; | |
858 transition(vtos, vtos); | |
859 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
860 __ ld(Lesp, Interpreter::expr_offset_in_bytes(1), O2); // get index | |
861 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(2), O3); // get array | |
862 // Otos_i: val | |
863 // O2: index | |
864 // O3: array | |
865 __ verify_oop(Otos_i); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
866 __ index_check_without_pop(O3, O2, UseCompressedOops ? 2 : LogBytesPerWord, G3_scratch, O1); |
0 | 867 |
868 // do array store check - check for NULL value first | |
3839 | 869 __ br_null_short( Otos_i, Assembler::pn, is_null ); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
870 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
871 __ load_klass(O3, O4); // get array klass |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
872 __ load_klass(Otos_i, O5); // get value klass |
0 | 873 |
874 // do fast instanceof cache test | |
875 | |
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6740
diff
changeset
|
876 __ ld_ptr(O4, in_bytes(ObjArrayKlass::element_klass_offset()), O4); |
0 | 877 |
878 assert(Otos_i == O0, "just checking"); | |
879 | |
880 // Otos_i: value | |
881 // O1: addr - offset | |
882 // O2: index | |
883 // O3: array | |
884 // O4: array element klass | |
885 // O5: value klass | |
886 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
887 // Address element(O1, 0, arrayOopDesc::base_offset_in_bytes(T_OBJECT)); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
888 |
0 | 889 // Generate a fast subtype check. Branch to store_ok if no |
890 // failure. Throw if failure. | |
891 __ gen_subtype_check( O5, O4, G3_scratch, G4_scratch, G1_scratch, store_ok ); | |
892 | |
893 // Not a subtype; so must throw exception | |
894 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ArrayStoreException_entry, G3_scratch ); | |
895 | |
896 // Store is OK. | |
897 __ bind(store_ok); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
898 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Otos_i, G3_scratch, _bs->kind(), true); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
899 |
3839 | 900 __ ba(done); |
1506 | 901 __ delayed()->inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
0 | 902 |
903 __ bind(is_null); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
904 do_oop_store(_masm, O1, noreg, arrayOopDesc::base_offset_in_bytes(T_OBJECT), G0, G4_scratch, _bs->kind(), true); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
905 |
0 | 906 __ profile_null_seen(G3_scratch); |
1506 | 907 __ inc(Lesp, 3* Interpreter::stackElementSize); // adj sp (pops array, index and value) |
0 | 908 __ bind(done); |
909 } | |
910 | |
911 | |
912 void TemplateTable::bastore() { | |
913 transition(itos, vtos); | |
914 __ pop_i(O2); // index | |
915 // Otos_i: val | |
916 // O3: array | |
917 __ index_check(O3, O2, 0, G3_scratch, O2); | |
918 __ stb(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_BYTE)); | |
919 } | |
920 | |
921 | |
922 void TemplateTable::castore() { | |
923 transition(itos, vtos); | |
924 __ pop_i(O2); // index | |
925 // Otos_i: val | |
926 // O3: array | |
927 __ index_check(O3, O2, LogBytesPerShort, G3_scratch, O2); | |
928 __ sth(Otos_i, O2, arrayOopDesc::base_offset_in_bytes(T_CHAR)); | |
929 } | |
930 | |
931 | |
932 void TemplateTable::sastore() { | |
933 // %%%%% Factor across platform | |
934 castore(); | |
935 } | |
936 | |
937 | |
938 void TemplateTable::istore(int n) { | |
939 transition(itos, vtos); | |
940 __ st(Otos_i, Llocals, Interpreter::local_offset_in_bytes(n)); | |
941 } | |
942 | |
943 | |
944 void TemplateTable::lstore(int n) { | |
945 transition(ltos, vtos); | |
946 assert(n+1 < Argument::n_register_parameters, "only handle register cases"); | |
947 __ store_unaligned_long(Otos_l, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
948 | |
949 } | |
950 | |
951 | |
952 void TemplateTable::fstore(int n) { | |
953 transition(ftos, vtos); | |
954 assert(n < Argument::n_register_parameters, "only handle register cases"); | |
955 __ stf(FloatRegisterImpl::S, Ftos_f, Llocals, Interpreter::local_offset_in_bytes(n)); | |
956 } | |
957 | |
958 | |
959 void TemplateTable::dstore(int n) { | |
960 transition(dtos, vtos); | |
961 FloatRegister src = Ftos_d; | |
962 __ store_unaligned_double(src, Llocals, Interpreter::local_offset_in_bytes(n+1)); | |
963 } | |
964 | |
965 | |
966 void TemplateTable::astore(int n) { | |
967 transition(vtos, vtos); | |
1506 | 968 __ load_ptr(0, Otos_i); |
969 __ inc(Lesp, Interpreter::stackElementSize); | |
0 | 970 __ verify_oop_or_return_address(Otos_i, G3_scratch); |
1506 | 971 __ store_local_ptr(n, Otos_i); |
0 | 972 } |
973 | |
974 | |
975 void TemplateTable::pop() { | |
976 transition(vtos, vtos); | |
1506 | 977 __ inc(Lesp, Interpreter::stackElementSize); |
0 | 978 } |
979 | |
980 | |
981 void TemplateTable::pop2() { | |
982 transition(vtos, vtos); | |
1506 | 983 __ inc(Lesp, 2 * Interpreter::stackElementSize); |
0 | 984 } |
985 | |
986 | |
987 void TemplateTable::dup() { | |
988 transition(vtos, vtos); | |
989 // stack: ..., a | |
990 // load a and tag | |
1506 | 991 __ load_ptr(0, Otos_i); |
992 __ push_ptr(Otos_i); | |
0 | 993 // stack: ..., a, a |
994 } | |
995 | |
996 | |
997 void TemplateTable::dup_x1() { | |
998 transition(vtos, vtos); | |
999 // stack: ..., a, b | |
1506 | 1000 __ load_ptr( 1, G3_scratch); // get a |
1001 __ load_ptr( 0, Otos_l1); // get b | |
1002 __ store_ptr(1, Otos_l1); // put b | |
1003 __ store_ptr(0, G3_scratch); // put a - like swap | |
1004 __ push_ptr(Otos_l1); // push b | |
0 | 1005 // stack: ..., b, a, b |
1006 } | |
1007 | |
1008 | |
1009 void TemplateTable::dup_x2() { | |
1010 transition(vtos, vtos); | |
1011 // stack: ..., a, b, c | |
1012 // get c and push on stack, reuse registers | |
1506 | 1013 __ load_ptr( 0, G3_scratch); // get c |
1014 __ push_ptr(G3_scratch); // push c with tag | |
0 | 1015 // stack: ..., a, b, c, c (c in reg) (Lesp - 4) |
1016 // (stack offsets n+1 now) | |
1506 | 1017 __ load_ptr( 3, Otos_l1); // get a |
1018 __ store_ptr(3, G3_scratch); // put c at 3 | |
0 | 1019 // stack: ..., c, b, c, c (a in reg) |
1506 | 1020 __ load_ptr( 2, G3_scratch); // get b |
1021 __ store_ptr(2, Otos_l1); // put a at 2 | |
0 | 1022 // stack: ..., c, a, c, c (b in reg) |
1506 | 1023 __ store_ptr(1, G3_scratch); // put b at 1 |
0 | 1024 // stack: ..., c, a, b, c |
1025 } | |
1026 | |
1027 | |
1028 void TemplateTable::dup2() { | |
1029 transition(vtos, vtos); | |
1506 | 1030 __ load_ptr(1, G3_scratch); // get a |
1031 __ load_ptr(0, Otos_l1); // get b | |
1032 __ push_ptr(G3_scratch); // push a | |
1033 __ push_ptr(Otos_l1); // push b | |
0 | 1034 // stack: ..., a, b, a, b |
1035 } | |
1036 | |
1037 | |
1038 void TemplateTable::dup2_x1() { | |
1039 transition(vtos, vtos); | |
1040 // stack: ..., a, b, c | |
1506 | 1041 __ load_ptr( 1, Lscratch); // get b |
1042 __ load_ptr( 2, Otos_l1); // get a | |
1043 __ store_ptr(2, Lscratch); // put b at a | |
0 | 1044 // stack: ..., b, b, c |
1506 | 1045 __ load_ptr( 0, G3_scratch); // get c |
1046 __ store_ptr(1, G3_scratch); // put c at b | |
0 | 1047 // stack: ..., b, c, c |
1506 | 1048 __ store_ptr(0, Otos_l1); // put a at c |
0 | 1049 // stack: ..., b, c, a |
1506 | 1050 __ push_ptr(Lscratch); // push b |
1051 __ push_ptr(G3_scratch); // push c | |
0 | 1052 // stack: ..., b, c, a, b, c |
1053 } | |
1054 | |
1055 | |
1056 // The spec says that these types can be a mixture of category 1 (1 word) | |
1057 // types and/or category 2 types (long and doubles) | |
1058 void TemplateTable::dup2_x2() { | |
1059 transition(vtos, vtos); | |
1060 // stack: ..., a, b, c, d | |
1506 | 1061 __ load_ptr( 1, Lscratch); // get c |
1062 __ load_ptr( 3, Otos_l1); // get a | |
1063 __ store_ptr(3, Lscratch); // put c at 3 | |
1064 __ store_ptr(1, Otos_l1); // put a at 1 | |
0 | 1065 // stack: ..., c, b, a, d |
1506 | 1066 __ load_ptr( 2, G3_scratch); // get b |
1067 __ load_ptr( 0, Otos_l1); // get d | |
1068 __ store_ptr(0, G3_scratch); // put b at 0 | |
1069 __ store_ptr(2, Otos_l1); // put d at 2 | |
0 | 1070 // stack: ..., c, d, a, b |
1506 | 1071 __ push_ptr(Lscratch); // push c |
1072 __ push_ptr(Otos_l1); // push d | |
0 | 1073 // stack: ..., c, d, a, b, c, d |
1074 } | |
1075 | |
1076 | |
1077 void TemplateTable::swap() { | |
1078 transition(vtos, vtos); | |
1079 // stack: ..., a, b | |
1506 | 1080 __ load_ptr( 1, G3_scratch); // get a |
1081 __ load_ptr( 0, Otos_l1); // get b | |
1082 __ store_ptr(0, G3_scratch); // put b | |
1083 __ store_ptr(1, Otos_l1); // put a | |
0 | 1084 // stack: ..., b, a |
1085 } | |
1086 | |
1087 | |
1088 void TemplateTable::iop2(Operation op) { | |
1089 transition(itos, itos); | |
1090 __ pop_i(O1); | |
1091 switch (op) { | |
1092 case add: __ add(O1, Otos_i, Otos_i); break; | |
1093 case sub: __ sub(O1, Otos_i, Otos_i); break; | |
1094 // %%%%% Mul may not exist: better to call .mul? | |
1095 case mul: __ smul(O1, Otos_i, Otos_i); break; | |
1506 | 1096 case _and: __ and3(O1, Otos_i, Otos_i); break; |
1097 case _or: __ or3(O1, Otos_i, Otos_i); break; | |
1098 case _xor: __ xor3(O1, Otos_i, Otos_i); break; | |
0 | 1099 case shl: __ sll(O1, Otos_i, Otos_i); break; |
1100 case shr: __ sra(O1, Otos_i, Otos_i); break; | |
1101 case ushr: __ srl(O1, Otos_i, Otos_i); break; | |
1102 default: ShouldNotReachHere(); | |
1103 } | |
1104 } | |
1105 | |
1106 | |
1107 void TemplateTable::lop2(Operation op) { | |
1108 transition(ltos, ltos); | |
1109 __ pop_l(O2); | |
1110 switch (op) { | |
1111 #ifdef _LP64 | |
1506 | 1112 case add: __ add(O2, Otos_l, Otos_l); break; |
1113 case sub: __ sub(O2, Otos_l, Otos_l); break; | |
1114 case _and: __ and3(O2, Otos_l, Otos_l); break; | |
1115 case _or: __ or3(O2, Otos_l, Otos_l); break; | |
1116 case _xor: __ xor3(O2, Otos_l, Otos_l); break; | |
0 | 1117 #else |
1118 case add: __ addcc(O3, Otos_l2, Otos_l2); __ addc(O2, Otos_l1, Otos_l1); break; | |
1119 case sub: __ subcc(O3, Otos_l2, Otos_l2); __ subc(O2, Otos_l1, Otos_l1); break; | |
1506 | 1120 case _and: __ and3(O3, Otos_l2, Otos_l2); __ and3(O2, Otos_l1, Otos_l1); break; |
1121 case _or: __ or3(O3, Otos_l2, Otos_l2); __ or3(O2, Otos_l1, Otos_l1); break; | |
1122 case _xor: __ xor3(O3, Otos_l2, Otos_l2); __ xor3(O2, Otos_l1, Otos_l1); break; | |
0 | 1123 #endif |
1124 default: ShouldNotReachHere(); | |
1125 } | |
1126 } | |
1127 | |
1128 | |
1129 void TemplateTable::idiv() { | |
1130 // %%%%% Later: ForSPARC/V7 call .sdiv library routine, | |
1131 // %%%%% Use ldsw...sdivx on pure V9 ABI. 64 bit safe. | |
1132 | |
1133 transition(itos, itos); | |
1134 __ pop_i(O1); // get 1st op | |
1135 | |
1136 // Y contains upper 32 bits of result, set it to 0 or all ones | |
1137 __ wry(G0); | |
1138 __ mov(~0, G3_scratch); | |
1139 | |
1140 __ tst(O1); | |
1141 Label neg; | |
1142 __ br(Assembler::negative, true, Assembler::pn, neg); | |
1143 __ delayed()->wry(G3_scratch); | |
1144 __ bind(neg); | |
1145 | |
1146 Label ok; | |
1147 __ tst(Otos_i); | |
1148 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch ); | |
1149 | |
1150 const int min_int = 0x80000000; | |
1151 Label regular; | |
1152 __ cmp(Otos_i, -1); | |
1153 __ br(Assembler::notEqual, false, Assembler::pt, regular); | |
1154 #ifdef _LP64 | |
1155 // Don't put set in delay slot | |
1156 // Set will turn into multiple instructions in 64 bit mode | |
1157 __ delayed()->nop(); | |
1158 __ set(min_int, G4_scratch); | |
1159 #else | |
1160 __ delayed()->set(min_int, G4_scratch); | |
1161 #endif | |
1162 Label done; | |
1163 __ cmp(O1, G4_scratch); | |
1164 __ br(Assembler::equal, true, Assembler::pt, done); | |
1165 __ delayed()->mov(O1, Otos_i); // (mov only executed if branch taken) | |
1166 | |
1167 __ bind(regular); | |
1168 __ sdiv(O1, Otos_i, Otos_i); // note: irem uses O1 after this instruction! | |
1169 __ bind(done); | |
1170 } | |
1171 | |
1172 | |
1173 void TemplateTable::irem() { | |
1174 transition(itos, itos); | |
1175 __ mov(Otos_i, O2); // save divisor | |
1176 idiv(); // %%%% Hack: exploits fact that idiv leaves dividend in O1 | |
1177 __ smul(Otos_i, O2, Otos_i); | |
1178 __ sub(O1, Otos_i, Otos_i); | |
1179 } | |
1180 | |
1181 | |
1182 void TemplateTable::lmul() { | |
1183 transition(ltos, ltos); | |
1184 __ pop_l(O2); | |
1185 #ifdef _LP64 | |
1186 __ mulx(Otos_l, O2, Otos_l); | |
1187 #else | |
1188 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lmul)); | |
1189 #endif | |
1190 | |
1191 } | |
1192 | |
1193 | |
1194 void TemplateTable::ldiv() { | |
1195 transition(ltos, ltos); | |
1196 | |
1197 // check for zero | |
1198 __ pop_l(O2); | |
1199 #ifdef _LP64 | |
1200 __ tst(Otos_l); | |
1201 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1202 __ sdivx(O2, Otos_l, Otos_l); | |
1203 #else | |
1204 __ orcc(Otos_l1, Otos_l2, G0); | |
1205 __ throw_if_not_icc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1206 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::ldiv)); | |
1207 #endif | |
1208 } | |
1209 | |
1210 | |
1211 void TemplateTable::lrem() { | |
1212 transition(ltos, ltos); | |
1213 | |
1214 // check for zero | |
1215 __ pop_l(O2); | |
1216 #ifdef _LP64 | |
1217 __ tst(Otos_l); | |
1218 __ throw_if_not_xcc( Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1219 __ sdivx(O2, Otos_l, Otos_l2); | |
1220 __ mulx (Otos_l2, Otos_l, Otos_l2); | |
1221 __ sub (O2, Otos_l2, Otos_l); | |
1222 #else | |
1223 __ orcc(Otos_l1, Otos_l2, G0); | |
1224 __ throw_if_not_icc(Assembler::notZero, Interpreter::_throw_ArithmeticException_entry, G3_scratch); | |
1225 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::lrem)); | |
1226 #endif | |
1227 } | |
1228 | |
1229 | |
1230 void TemplateTable::lshl() { | |
1231 transition(itos, ltos); // %%%% could optimize, fill delay slot or opt for ultra | |
1232 | |
1233 __ pop_l(O2); // shift value in O2, O3 | |
1234 #ifdef _LP64 | |
1235 __ sllx(O2, Otos_i, Otos_l); | |
1236 #else | |
1237 __ lshl(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1238 #endif | |
1239 } | |
1240 | |
1241 | |
1242 void TemplateTable::lshr() { | |
1243 transition(itos, ltos); // %%%% see lshl comment | |
1244 | |
1245 __ pop_l(O2); // shift value in O2, O3 | |
1246 #ifdef _LP64 | |
1247 __ srax(O2, Otos_i, Otos_l); | |
1248 #else | |
1249 __ lshr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1250 #endif | |
1251 } | |
1252 | |
1253 | |
1254 | |
1255 void TemplateTable::lushr() { | |
1256 transition(itos, ltos); // %%%% see lshl comment | |
1257 | |
1258 __ pop_l(O2); // shift value in O2, O3 | |
1259 #ifdef _LP64 | |
1260 __ srlx(O2, Otos_i, Otos_l); | |
1261 #else | |
1262 __ lushr(O2, O3, Otos_i, Otos_l1, Otos_l2, O4); | |
1263 #endif | |
1264 } | |
1265 | |
1266 | |
1267 void TemplateTable::fop2(Operation op) { | |
1268 transition(ftos, ftos); | |
1269 switch (op) { | |
1270 case add: __ pop_f(F4); __ fadd(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1271 case sub: __ pop_f(F4); __ fsub(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1272 case mul: __ pop_f(F4); __ fmul(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1273 case div: __ pop_f(F4); __ fdiv(FloatRegisterImpl::S, F4, Ftos_f, Ftos_f); break; | |
1274 case rem: | |
1275 assert(Ftos_f == F0, "just checking"); | |
1276 #ifdef _LP64 | |
1277 // LP64 calling conventions use F1, F3 for passing 2 floats | |
1278 __ pop_f(F1); | |
1279 __ fmov(FloatRegisterImpl::S, Ftos_f, F3); | |
1280 #else | |
1281 __ pop_i(O0); | |
1282 __ stf(FloatRegisterImpl::S, Ftos_f, __ d_tmp); | |
1283 __ ld( __ d_tmp, O1 ); | |
1284 #endif | |
1285 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::frem)); | |
1286 assert( Ftos_f == F0, "fix this code" ); | |
1287 break; | |
1288 | |
1289 default: ShouldNotReachHere(); | |
1290 } | |
1291 } | |
1292 | |
1293 | |
1294 void TemplateTable::dop2(Operation op) { | |
1295 transition(dtos, dtos); | |
1296 switch (op) { | |
1297 case add: __ pop_d(F4); __ fadd(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1298 case sub: __ pop_d(F4); __ fsub(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1299 case mul: __ pop_d(F4); __ fmul(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1300 case div: __ pop_d(F4); __ fdiv(FloatRegisterImpl::D, F4, Ftos_d, Ftos_d); break; | |
1301 case rem: | |
1302 #ifdef _LP64 | |
1303 // Pass arguments in D0, D2 | |
1304 __ fmov(FloatRegisterImpl::D, Ftos_f, F2 ); | |
1305 __ pop_d( F0 ); | |
1306 #else | |
1307 // Pass arguments in O0O1, O2O3 | |
1308 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
1309 __ ldd( __ d_tmp, O2 ); | |
1310 __ pop_d(Ftos_f); | |
1311 __ stf(FloatRegisterImpl::D, Ftos_f, __ d_tmp); | |
1312 __ ldd( __ d_tmp, O0 ); | |
1313 #endif | |
1314 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::drem)); | |
1315 assert( Ftos_d == F0, "fix this code" ); | |
1316 break; | |
1317 | |
1318 default: ShouldNotReachHere(); | |
1319 } | |
1320 } | |
1321 | |
1322 | |
1323 void TemplateTable::ineg() { | |
1324 transition(itos, itos); | |
1325 __ neg(Otos_i); | |
1326 } | |
1327 | |
1328 | |
1329 void TemplateTable::lneg() { | |
1330 transition(ltos, ltos); | |
1331 #ifdef _LP64 | |
1332 __ sub(G0, Otos_l, Otos_l); | |
1333 #else | |
1334 __ lneg(Otos_l1, Otos_l2); | |
1335 #endif | |
1336 } | |
1337 | |
1338 | |
1339 void TemplateTable::fneg() { | |
1340 transition(ftos, ftos); | |
1341 __ fneg(FloatRegisterImpl::S, Ftos_f); | |
1342 } | |
1343 | |
1344 | |
1345 void TemplateTable::dneg() { | |
1346 transition(dtos, dtos); | |
1347 // v8 has fnegd if source and dest are the same | |
1348 __ fneg(FloatRegisterImpl::D, Ftos_f); | |
1349 } | |
1350 | |
1351 | |
1352 void TemplateTable::iinc() { | |
1353 transition(vtos, vtos); | |
1354 locals_index(G3_scratch); | |
1355 __ ldsb(Lbcp, 2, O2); // load constant | |
1356 __ access_local_int(G3_scratch, Otos_i); | |
1357 __ add(Otos_i, O2, Otos_i); | |
1506 | 1358 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
0 | 1359 } |
1360 | |
1361 | |
1362 void TemplateTable::wide_iinc() { | |
1363 transition(vtos, vtos); | |
1364 locals_index_wide(G3_scratch); | |
1365 __ get_2_byte_integer_at_bcp( 4, O2, O3, InterpreterMacroAssembler::Signed); | |
1366 __ access_local_int(G3_scratch, Otos_i); | |
1367 __ add(Otos_i, O3, Otos_i); | |
1506 | 1368 __ st(Otos_i, G3_scratch, 0); // access_local_int puts E.A. in G3_scratch |
0 | 1369 } |
1370 | |
1371 | |
1372 void TemplateTable::convert() { | |
1373 // %%%%% Factor this first part accross platforms | |
1374 #ifdef ASSERT | |
1375 TosState tos_in = ilgl; | |
1376 TosState tos_out = ilgl; | |
1377 switch (bytecode()) { | |
1378 case Bytecodes::_i2l: // fall through | |
1379 case Bytecodes::_i2f: // fall through | |
1380 case Bytecodes::_i2d: // fall through | |
1381 case Bytecodes::_i2b: // fall through | |
1382 case Bytecodes::_i2c: // fall through | |
1383 case Bytecodes::_i2s: tos_in = itos; break; | |
1384 case Bytecodes::_l2i: // fall through | |
1385 case Bytecodes::_l2f: // fall through | |
1386 case Bytecodes::_l2d: tos_in = ltos; break; | |
1387 case Bytecodes::_f2i: // fall through | |
1388 case Bytecodes::_f2l: // fall through | |
1389 case Bytecodes::_f2d: tos_in = ftos; break; | |
1390 case Bytecodes::_d2i: // fall through | |
1391 case Bytecodes::_d2l: // fall through | |
1392 case Bytecodes::_d2f: tos_in = dtos; break; | |
1393 default : ShouldNotReachHere(); | |
1394 } | |
1395 switch (bytecode()) { | |
1396 case Bytecodes::_l2i: // fall through | |
1397 case Bytecodes::_f2i: // fall through | |
1398 case Bytecodes::_d2i: // fall through | |
1399 case Bytecodes::_i2b: // fall through | |
1400 case Bytecodes::_i2c: // fall through | |
1401 case Bytecodes::_i2s: tos_out = itos; break; | |
1402 case Bytecodes::_i2l: // fall through | |
1403 case Bytecodes::_f2l: // fall through | |
1404 case Bytecodes::_d2l: tos_out = ltos; break; | |
1405 case Bytecodes::_i2f: // fall through | |
1406 case Bytecodes::_l2f: // fall through | |
1407 case Bytecodes::_d2f: tos_out = ftos; break; | |
1408 case Bytecodes::_i2d: // fall through | |
1409 case Bytecodes::_l2d: // fall through | |
1410 case Bytecodes::_f2d: tos_out = dtos; break; | |
1411 default : ShouldNotReachHere(); | |
1412 } | |
1413 transition(tos_in, tos_out); | |
1414 #endif | |
1415 | |
1416 | |
1417 // Conversion | |
1418 Label done; | |
1419 switch (bytecode()) { | |
1420 case Bytecodes::_i2l: | |
1421 #ifdef _LP64 | |
1422 // Sign extend the 32 bits | |
1423 __ sra ( Otos_i, 0, Otos_l ); | |
1424 #else | |
1425 __ addcc(Otos_i, 0, Otos_l2); | |
1426 __ br(Assembler::greaterEqual, true, Assembler::pt, done); | |
1427 __ delayed()->clr(Otos_l1); | |
1428 __ set(~0, Otos_l1); | |
1429 #endif | |
1430 break; | |
1431 | |
1432 case Bytecodes::_i2f: | |
1433 __ st(Otos_i, __ d_tmp ); | |
1434 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
1435 __ fitof(FloatRegisterImpl::S, F0, Ftos_f); | |
1436 break; | |
1437 | |
1438 case Bytecodes::_i2d: | |
1439 __ st(Otos_i, __ d_tmp); | |
1440 __ ldf(FloatRegisterImpl::S, __ d_tmp, F0); | |
1441 __ fitof(FloatRegisterImpl::D, F0, Ftos_f); | |
1442 break; | |
1443 | |
1444 case Bytecodes::_i2b: | |
1445 __ sll(Otos_i, 24, Otos_i); | |
1446 __ sra(Otos_i, 24, Otos_i); | |
1447 break; | |
1448 | |
1449 case Bytecodes::_i2c: | |
1450 __ sll(Otos_i, 16, Otos_i); | |
1451 __ srl(Otos_i, 16, Otos_i); | |
1452 break; | |
1453 | |
1454 case Bytecodes::_i2s: | |
1455 __ sll(Otos_i, 16, Otos_i); | |
1456 __ sra(Otos_i, 16, Otos_i); | |
1457 break; | |
1458 | |
1459 case Bytecodes::_l2i: | |
1460 #ifndef _LP64 | |
1461 __ mov(Otos_l2, Otos_i); | |
1462 #else | |
1463 // Sign-extend into the high 32 bits | |
1464 __ sra(Otos_l, 0, Otos_i); | |
1465 #endif | |
1466 break; | |
1467 | |
1468 case Bytecodes::_l2f: | |
1469 case Bytecodes::_l2d: | |
1470 __ st_long(Otos_l, __ d_tmp); | |
1471 __ ldf(FloatRegisterImpl::D, __ d_tmp, Ftos_d); | |
1472 | |
1473 if (VM_Version::v9_instructions_work()) { | |
1474 if (bytecode() == Bytecodes::_l2f) { | |
1475 __ fxtof(FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
1476 } else { | |
1477 __ fxtof(FloatRegisterImpl::D, Ftos_d, Ftos_d); | |
1478 } | |
1479 } else { | |
1480 __ call_VM_leaf( | |
1481 Lscratch, | |
1482 bytecode() == Bytecodes::_l2f | |
1483 ? CAST_FROM_FN_PTR(address, SharedRuntime::l2f) | |
1484 : CAST_FROM_FN_PTR(address, SharedRuntime::l2d) | |
1485 ); | |
1486 } | |
1487 break; | |
1488 | |
1489 case Bytecodes::_f2i: { | |
1490 Label isNaN; | |
1491 // result must be 0 if value is NaN; test by comparing value to itself | |
1492 __ fcmp(FloatRegisterImpl::S, Assembler::fcc0, Ftos_f, Ftos_f); | |
1493 // According to the v8 manual, you have to have a non-fp instruction | |
1494 // between fcmp and fb. | |
1495 if (!VM_Version::v9_instructions_work()) { | |
1496 __ nop(); | |
1497 } | |
1498 __ fb(Assembler::f_unordered, true, Assembler::pn, isNaN); | |
1499 __ delayed()->clr(Otos_i); // NaN | |
1500 __ ftoi(FloatRegisterImpl::S, Ftos_f, F30); | |
1501 __ stf(FloatRegisterImpl::S, F30, __ d_tmp); | |
1502 __ ld(__ d_tmp, Otos_i); | |
1503 __ bind(isNaN); | |
1504 } | |
1505 break; | |
1506 | |
1507 case Bytecodes::_f2l: | |
1508 // must uncache tos | |
1509 __ push_f(); | |
1510 #ifdef _LP64 | |
1511 __ pop_f(F1); | |
1512 #else | |
1513 __ pop_i(O0); | |
1514 #endif | |
1515 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::f2l)); | |
1516 break; | |
1517 | |
1518 case Bytecodes::_f2d: | |
1519 __ ftof( FloatRegisterImpl::S, FloatRegisterImpl::D, Ftos_f, Ftos_f); | |
1520 break; | |
1521 | |
1522 case Bytecodes::_d2i: | |
1523 case Bytecodes::_d2l: | |
1524 // must uncache tos | |
1525 __ push_d(); | |
1526 #ifdef _LP64 | |
1527 // LP64 calling conventions pass first double arg in D0 | |
1528 __ pop_d( Ftos_d ); | |
1529 #else | |
1530 __ pop_i( O0 ); | |
1531 __ pop_i( O1 ); | |
1532 #endif | |
1533 __ call_VM_leaf(Lscratch, | |
1534 bytecode() == Bytecodes::_d2i | |
1535 ? CAST_FROM_FN_PTR(address, SharedRuntime::d2i) | |
1536 : CAST_FROM_FN_PTR(address, SharedRuntime::d2l)); | |
1537 break; | |
1538 | |
1539 case Bytecodes::_d2f: | |
1540 if (VM_Version::v9_instructions_work()) { | |
1541 __ ftof( FloatRegisterImpl::D, FloatRegisterImpl::S, Ftos_d, Ftos_f); | |
1542 } | |
1543 else { | |
1544 // must uncache tos | |
1545 __ push_d(); | |
1546 __ pop_i(O0); | |
1547 __ pop_i(O1); | |
1548 __ call_VM_leaf(Lscratch, CAST_FROM_FN_PTR(address, SharedRuntime::d2f)); | |
1549 } | |
1550 break; | |
1551 | |
1552 default: ShouldNotReachHere(); | |
1553 } | |
1554 __ bind(done); | |
1555 } | |
1556 | |
1557 | |
1558 void TemplateTable::lcmp() { | |
1559 transition(ltos, itos); | |
1560 | |
1561 #ifdef _LP64 | |
1562 __ pop_l(O1); // pop off value 1, value 2 is in O0 | |
1563 __ lcmp( O1, Otos_l, Otos_i ); | |
1564 #else | |
1565 __ pop_l(O2); // cmp O2,3 to O0,1 | |
1566 __ lcmp( O2, O3, Otos_l1, Otos_l2, Otos_i ); | |
1567 #endif | |
1568 } | |
1569 | |
1570 | |
1571 void TemplateTable::float_cmp(bool is_float, int unordered_result) { | |
1572 | |
1573 if (is_float) __ pop_f(F2); | |
1574 else __ pop_d(F2); | |
1575 | |
1576 assert(Ftos_f == F0 && Ftos_d == F0, "alias checking:"); | |
1577 | |
1578 __ float_cmp( is_float, unordered_result, F2, F0, Otos_i ); | |
1579 } | |
1580 | |
1581 void TemplateTable::branch(bool is_jsr, bool is_wide) { | |
1582 // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also. | |
1583 __ verify_thread(); | |
1584 | |
1585 const Register O2_bumped_count = O2; | |
1586 __ profile_taken_branch(G3_scratch, O2_bumped_count); | |
1587 | |
1588 // get (wide) offset to O1_disp | |
1589 const Register O1_disp = O1; | |
1590 if (is_wide) __ get_4_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::set_CC); | |
1591 else __ get_2_byte_integer_at_bcp( 1, G4_scratch, O1_disp, InterpreterMacroAssembler::Signed, InterpreterMacroAssembler::set_CC); | |
1592 | |
1593 // Handle all the JSR stuff here, then exit. | |
1594 // It's much shorter and cleaner than intermingling with the | |
605 | 1595 // non-JSR normal-branch stuff occurring below. |
0 | 1596 if( is_jsr ) { |
1597 // compute return address as bci in Otos_i | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1598 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
0 | 1599 __ sub(Lbcp, G3_scratch, G3_scratch); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1600 __ sub(G3_scratch, in_bytes(ConstMethod::codes_offset()) - (is_wide ? 5 : 3), Otos_i); |
0 | 1601 |
1602 // Bump Lbcp to target of JSR | |
1603 __ add(Lbcp, O1_disp, Lbcp); | |
1604 // Push returnAddress for "ret" on stack | |
1506 | 1605 __ push_ptr(Otos_i); |
0 | 1606 // And away we go! |
1607 __ dispatch_next(vtos); | |
1608 return; | |
1609 } | |
1610 | |
1611 // Normal (non-jsr) branch handling | |
1612 | |
1613 // Save the current Lbcp | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1614 const Register l_cur_bcp = Lscratch; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1615 __ mov( Lbcp, l_cur_bcp ); |
1783 | 1616 |
0 | 1617 bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter; |
1618 if ( increment_invocation_counter_for_backward_branches ) { | |
1619 Label Lforward; | |
1620 // check branch direction | |
1621 __ br( Assembler::positive, false, Assembler::pn, Lforward ); | |
1622 // Bump bytecode pointer by displacement (take the branch) | |
1623 __ delayed()->add( O1_disp, Lbcp, Lbcp ); // add to bc addr | |
1624 | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1625 const Register Rcounters = G3_scratch; |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1626 __ get_method_counters(Lmethod, Rcounters, Lforward); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1627 |
1783 | 1628 if (TieredCompilation) { |
1629 Label Lno_mdo, Loverflow; | |
1630 int increment = InvocationCounter::count_increment; | |
1631 int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift; | |
1632 if (ProfileInterpreter) { | |
1633 // If no method data exists, go to profile_continue. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1634 __ ld_ptr(Lmethod, Method::method_data_offset(), G4_scratch); |
3839 | 1635 __ br_null_short(G4_scratch, Assembler::pn, Lno_mdo); |
1783 | 1636 |
1637 // Increment backedge counter in the MDO | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1638 Address mdo_backedge_counter(G4_scratch, in_bytes(MethodData::backedge_counter_offset()) + |
1783 | 1639 in_bytes(InvocationCounter::counter_offset())); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1640 __ increment_mask_and_jump(mdo_backedge_counter, increment, mask, G3_scratch, O0, |
1783 | 1641 Assembler::notZero, &Lforward); |
3839 | 1642 __ ba_short(Loverflow); |
0 | 1643 } |
1783 | 1644 |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1645 // If there's no MDO, increment counter in MethodCounters* |
1783 | 1646 __ bind(Lno_mdo); |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1647 Address backedge_counter(Rcounters, |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1648 in_bytes(MethodCounters::backedge_counter_offset()) + |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1649 in_bytes(InvocationCounter::counter_offset())); |
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1650 __ increment_mask_and_jump(backedge_counter, increment, mask, G4_scratch, O0, |
1783 | 1651 Assembler::notZero, &Lforward); |
1652 __ bind(Loverflow); | |
1653 | |
1654 // notify point for loop, pass branch bytecode | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1655 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), l_cur_bcp); |
1783 | 1656 |
1657 // Was an OSR adapter generated? | |
1658 // O0 = osr nmethod | |
3839 | 1659 __ br_null_short(O0, Assembler::pn, Lforward); |
1783 | 1660 |
1661 // Has the nmethod been invalidated already? | |
1662 __ ld(O0, nmethod::entry_bci_offset(), O2); | |
3839 | 1663 __ cmp_and_br_short(O2, InvalidOSREntryBci, Assembler::equal, Assembler::pn, Lforward); |
1783 | 1664 |
1665 // migrate the interpreter frame off of the stack | |
1666 | |
1667 __ mov(G2_thread, L7); | |
1668 // save nmethod | |
1669 __ mov(O0, L6); | |
1670 __ set_last_Java_frame(SP, noreg); | |
1671 __ call_VM_leaf(noreg, CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), L7); | |
1672 __ reset_last_Java_frame(); | |
1673 __ mov(L7, G2_thread); | |
1674 | |
1675 // move OSR nmethod to I1 | |
1676 __ mov(L6, I1); | |
1677 | |
1678 // OSR buffer to I0 | |
1679 __ mov(O0, I0); | |
1680 | |
1681 // remove the interpreter frame | |
1682 __ restore(I5_savedSP, 0, SP); | |
1683 | |
1684 // Jump to the osr code. | |
1685 __ ld_ptr(O1, nmethod::osr_entry_point_offset(), O2); | |
1686 __ jmp(O2, G0); | |
1687 __ delayed()->nop(); | |
1688 | |
0 | 1689 } else { |
1783 | 1690 // Update Backedge branch separately from invocations |
1691 const Register G4_invoke_ctr = G4; | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1692 __ increment_backedge_counter(Rcounters, G4_invoke_ctr, G1_scratch); |
1783 | 1693 if (ProfileInterpreter) { |
2118
dd031b2226de
4930919: race condition in MDO creation at back branch locations
iveresov
parents:
1972
diff
changeset
|
1694 __ test_invocation_counter_for_mdp(G4_invoke_ctr, G3_scratch, Lforward); |
1783 | 1695 if (UseOnStackReplacement) { |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1696 __ test_backedge_count_for_osr(O2_bumped_count, l_cur_bcp, G3_scratch); |
1783 | 1697 } |
1698 } else { | |
1699 if (UseOnStackReplacement) { | |
10105
aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents:
8104
diff
changeset
|
1700 __ test_backedge_count_for_osr(G4_invoke_ctr, l_cur_bcp, G3_scratch); |
1783 | 1701 } |
0 | 1702 } |
1703 } | |
1704 | |
1705 __ bind(Lforward); | |
1706 } else | |
1707 // Bump bytecode pointer by displacement (take the branch) | |
1708 __ add( O1_disp, Lbcp, Lbcp );// add to bc addr | |
1709 | |
1710 // continue with bytecode @ target | |
1711 // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above, | |
1712 // %%%%% and changing dispatch_next to dispatch_only | |
1713 __ dispatch_next(vtos); | |
1714 } | |
1715 | |
1716 | |
1717 // Note Condition in argument is TemplateTable::Condition | |
1718 // arg scope is within class scope | |
1719 | |
1720 void TemplateTable::if_0cmp(Condition cc) { | |
1721 // no pointers, integer only! | |
1722 transition(itos, vtos); | |
1723 // assume branch is more often taken than not (loops use backward branches) | |
1724 __ cmp( Otos_i, 0); | |
1725 __ if_cmp(ccNot(cc), false); | |
1726 } | |
1727 | |
1728 | |
1729 void TemplateTable::if_icmp(Condition cc) { | |
1730 transition(itos, vtos); | |
1731 __ pop_i(O1); | |
1732 __ cmp(O1, Otos_i); | |
1733 __ if_cmp(ccNot(cc), false); | |
1734 } | |
1735 | |
1736 | |
1737 void TemplateTable::if_nullcmp(Condition cc) { | |
1738 transition(atos, vtos); | |
1739 __ tst(Otos_i); | |
1740 __ if_cmp(ccNot(cc), true); | |
1741 } | |
1742 | |
1743 | |
1744 void TemplateTable::if_acmp(Condition cc) { | |
1745 transition(atos, vtos); | |
1746 __ pop_ptr(O1); | |
1747 __ verify_oop(O1); | |
1748 __ verify_oop(Otos_i); | |
1749 __ cmp(O1, Otos_i); | |
1750 __ if_cmp(ccNot(cc), true); | |
1751 } | |
1752 | |
1753 | |
1754 | |
1755 void TemplateTable::ret() { | |
1756 transition(vtos, vtos); | |
1757 locals_index(G3_scratch); | |
1758 __ access_local_returnAddress(G3_scratch, Otos_i); | |
1759 // Otos_i contains the bci, compute the bcp from that | |
1760 | |
1761 #ifdef _LP64 | |
1762 #ifdef ASSERT | |
1763 // jsr result was labeled as an 'itos' not an 'atos' because we cannot GC | |
1764 // the result. The return address (really a BCI) was stored with an | |
1765 // 'astore' because JVM specs claim it's a pointer-sized thing. Hence in | |
1766 // the 64-bit build the 32-bit BCI is actually in the low bits of a 64-bit | |
1767 // loaded value. | |
1768 { Label zzz ; | |
1769 __ set (65536, G3_scratch) ; | |
1770 __ cmp (Otos_i, G3_scratch) ; | |
1771 __ bp( Assembler::lessEqualUnsigned, false, Assembler::xcc, Assembler::pn, zzz); | |
1772 __ delayed()->nop(); | |
1773 __ stop("BCI is in the wrong register half?"); | |
1774 __ bind (zzz) ; | |
1775 } | |
1776 #endif | |
1777 #endif | |
1778 | |
1779 __ profile_ret(vtos, Otos_i, G4_scratch); | |
1780 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1781 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
0 | 1782 __ add(G3_scratch, Otos_i, G3_scratch); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1783 __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
0 | 1784 __ dispatch_next(vtos); |
1785 } | |
1786 | |
1787 | |
1788 void TemplateTable::wide_ret() { | |
1789 transition(vtos, vtos); | |
1790 locals_index_wide(G3_scratch); | |
1791 __ access_local_returnAddress(G3_scratch, Otos_i); | |
1792 // Otos_i contains the bci, compute the bcp from that | |
1793 | |
1794 __ profile_ret(vtos, Otos_i, G4_scratch); | |
1795 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1796 __ ld_ptr(Lmethod, Method::const_offset(), G3_scratch); |
0 | 1797 __ add(G3_scratch, Otos_i, G3_scratch); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
1798 __ add(G3_scratch, in_bytes(ConstMethod::codes_offset()), Lbcp); |
0 | 1799 __ dispatch_next(vtos); |
1800 } | |
1801 | |
1802 | |
1803 void TemplateTable::tableswitch() { | |
1804 transition(itos, vtos); | |
1805 Label default_case, continue_execution; | |
1806 | |
1807 // align bcp | |
1808 __ add(Lbcp, BytesPerInt, O1); | |
1809 __ and3(O1, -BytesPerInt, O1); | |
1810 // load lo, hi | |
1811 __ ld(O1, 1 * BytesPerInt, O2); // Low Byte | |
1812 __ ld(O1, 2 * BytesPerInt, O3); // High Byte | |
1813 #ifdef _LP64 | |
1814 // Sign extend the 32 bits | |
1815 __ sra ( Otos_i, 0, Otos_i ); | |
1816 #endif /* _LP64 */ | |
1817 | |
1818 // check against lo & hi | |
1819 __ cmp( Otos_i, O2); | |
1820 __ br( Assembler::less, false, Assembler::pn, default_case); | |
1821 __ delayed()->cmp( Otos_i, O3 ); | |
1822 __ br( Assembler::greater, false, Assembler::pn, default_case); | |
1823 // lookup dispatch offset | |
1824 __ delayed()->sub(Otos_i, O2, O2); | |
1825 __ profile_switch_case(O2, O3, G3_scratch, G4_scratch); | |
1826 __ sll(O2, LogBytesPerInt, O2); | |
1827 __ add(O2, 3 * BytesPerInt, O2); | |
3839 | 1828 __ ba(continue_execution); |
0 | 1829 __ delayed()->ld(O1, O2, O2); |
1830 // handle default | |
1831 __ bind(default_case); | |
1832 __ profile_switch_default(O3); | |
1833 __ ld(O1, 0, O2); // get default offset | |
1834 // continue execution | |
1835 __ bind(continue_execution); | |
1836 __ add(Lbcp, O2, Lbcp); | |
1837 __ dispatch_next(vtos); | |
1838 } | |
1839 | |
1840 | |
1841 void TemplateTable::lookupswitch() { | |
1842 transition(itos, itos); | |
1843 __ stop("lookupswitch bytecode should have been rewritten"); | |
1844 } | |
1845 | |
1846 void TemplateTable::fast_linearswitch() { | |
1847 transition(itos, vtos); | |
1848 Label loop_entry, loop, found, continue_execution; | |
1849 // align bcp | |
1850 __ add(Lbcp, BytesPerInt, O1); | |
1851 __ and3(O1, -BytesPerInt, O1); | |
1852 // set counter | |
1853 __ ld(O1, BytesPerInt, O2); | |
1854 __ sll(O2, LogBytesPerInt + 1, O2); // in word-pairs | |
1855 __ add(O1, 2 * BytesPerInt, O3); // set first pair addr | |
3839 | 1856 __ ba(loop_entry); |
0 | 1857 __ delayed()->add(O3, O2, O2); // counter now points past last pair |
1858 | |
1859 // table search | |
1860 __ bind(loop); | |
1861 __ cmp(O4, Otos_i); | |
1862 __ br(Assembler::equal, true, Assembler::pn, found); | |
1863 __ delayed()->ld(O3, BytesPerInt, O4); // offset -> O4 | |
1864 __ inc(O3, 2 * BytesPerInt); | |
1865 | |
1866 __ bind(loop_entry); | |
1867 __ cmp(O2, O3); | |
1868 __ brx(Assembler::greaterUnsigned, true, Assembler::pt, loop); | |
1869 __ delayed()->ld(O3, 0, O4); | |
1870 | |
1871 // default case | |
1872 __ ld(O1, 0, O4); // get default offset | |
1873 if (ProfileInterpreter) { | |
1874 __ profile_switch_default(O3); | |
3839 | 1875 __ ba_short(continue_execution); |
0 | 1876 } |
1877 | |
1878 // entry found -> get offset | |
1879 __ bind(found); | |
1880 if (ProfileInterpreter) { | |
1881 __ sub(O3, O1, O3); | |
1882 __ sub(O3, 2*BytesPerInt, O3); | |
1883 __ srl(O3, LogBytesPerInt + 1, O3); // in word-pairs | |
1884 __ profile_switch_case(O3, O1, O2, G3_scratch); | |
1885 | |
1886 __ bind(continue_execution); | |
1887 } | |
1888 __ add(Lbcp, O4, Lbcp); | |
1889 __ dispatch_next(vtos); | |
1890 } | |
1891 | |
1892 | |
1893 void TemplateTable::fast_binaryswitch() { | |
1894 transition(itos, vtos); | |
1895 // Implementation using the following core algorithm: (copied from Intel) | |
1896 // | |
1897 // int binary_search(int key, LookupswitchPair* array, int n) { | |
1898 // // Binary search according to "Methodik des Programmierens" by | |
1899 // // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985. | |
1900 // int i = 0; | |
1901 // int j = n; | |
1902 // while (i+1 < j) { | |
1903 // // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q) | |
1904 // // with Q: for all i: 0 <= i < n: key < a[i] | |
1905 // // where a stands for the array and assuming that the (inexisting) | |
1906 // // element a[n] is infinitely big. | |
1907 // int h = (i + j) >> 1; | |
1908 // // i < h < j | |
1909 // if (key < array[h].fast_match()) { | |
1910 // j = h; | |
1911 // } else { | |
1912 // i = h; | |
1913 // } | |
1914 // } | |
1915 // // R: a[i] <= key < a[i+1] or Q | |
1916 // // (i.e., if key is within array, i is the correct index) | |
1917 // return i; | |
1918 // } | |
1919 | |
1920 // register allocation | |
1921 assert(Otos_i == O0, "alias checking"); | |
1922 const Register Rkey = Otos_i; // already set (tosca) | |
1923 const Register Rarray = O1; | |
1924 const Register Ri = O2; | |
1925 const Register Rj = O3; | |
1926 const Register Rh = O4; | |
1927 const Register Rscratch = O5; | |
1928 | |
1929 const int log_entry_size = 3; | |
1930 const int entry_size = 1 << log_entry_size; | |
1931 | |
1932 Label found; | |
1933 // Find Array start | |
1934 __ add(Lbcp, 3 * BytesPerInt, Rarray); | |
1935 __ and3(Rarray, -BytesPerInt, Rarray); | |
1936 // initialize i & j (in delay slot) | |
1937 __ clr( Ri ); | |
1938 | |
1939 // and start | |
1940 Label entry; | |
3839 | 1941 __ ba(entry); |
0 | 1942 __ delayed()->ld( Rarray, -BytesPerInt, Rj); |
1943 // (Rj is already in the native byte-ordering.) | |
1944 | |
1945 // binary search loop | |
1946 { Label loop; | |
1947 __ bind( loop ); | |
1948 // int h = (i + j) >> 1; | |
1949 __ sra( Rh, 1, Rh ); | |
1950 // if (key < array[h].fast_match()) { | |
1951 // j = h; | |
1952 // } else { | |
1953 // i = h; | |
1954 // } | |
1955 __ sll( Rh, log_entry_size, Rscratch ); | |
1956 __ ld( Rarray, Rscratch, Rscratch ); | |
1957 // (Rscratch is already in the native byte-ordering.) | |
1958 __ cmp( Rkey, Rscratch ); | |
1959 if ( VM_Version::v9_instructions_work() ) { | |
1960 __ movcc( Assembler::less, false, Assembler::icc, Rh, Rj ); // j = h if (key < array[h].fast_match()) | |
1961 __ movcc( Assembler::greaterEqual, false, Assembler::icc, Rh, Ri ); // i = h if (key >= array[h].fast_match()) | |
1962 } | |
1963 else { | |
1964 Label end_of_if; | |
1965 __ br( Assembler::less, true, Assembler::pt, end_of_if ); | |
1966 __ delayed()->mov( Rh, Rj ); // if (<) Rj = Rh | |
1967 __ mov( Rh, Ri ); // else i = h | |
1968 __ bind(end_of_if); // } | |
1969 } | |
1970 | |
1971 // while (i+1 < j) | |
1972 __ bind( entry ); | |
1973 __ add( Ri, 1, Rscratch ); | |
1974 __ cmp(Rscratch, Rj); | |
1975 __ br( Assembler::less, true, Assembler::pt, loop ); | |
1976 __ delayed()->add( Ri, Rj, Rh ); // start h = i + j >> 1; | |
1977 } | |
1978 | |
1979 // end of binary search, result index is i (must check again!) | |
1980 Label default_case; | |
1981 Label continue_execution; | |
1982 if (ProfileInterpreter) { | |
1983 __ mov( Ri, Rh ); // Save index in i for profiling | |
1984 } | |
1985 __ sll( Ri, log_entry_size, Ri ); | |
1986 __ ld( Rarray, Ri, Rscratch ); | |
1987 // (Rscratch is already in the native byte-ordering.) | |
1988 __ cmp( Rkey, Rscratch ); | |
1989 __ br( Assembler::notEqual, true, Assembler::pn, default_case ); | |
1990 __ delayed()->ld( Rarray, -2 * BytesPerInt, Rj ); // load default offset -> j | |
1991 | |
1992 // entry found -> j = offset | |
1993 __ inc( Ri, BytesPerInt ); | |
1994 __ profile_switch_case(Rh, Rj, Rscratch, Rkey); | |
1995 __ ld( Rarray, Ri, Rj ); | |
1996 // (Rj is already in the native byte-ordering.) | |
1997 | |
1998 if (ProfileInterpreter) { | |
3839 | 1999 __ ba_short(continue_execution); |
0 | 2000 } |
2001 | |
2002 __ bind(default_case); // fall through (if not profiling) | |
2003 __ profile_switch_default(Ri); | |
2004 | |
2005 __ bind(continue_execution); | |
2006 __ add( Lbcp, Rj, Lbcp ); | |
2007 __ dispatch_next( vtos ); | |
2008 } | |
2009 | |
2010 | |
2011 void TemplateTable::_return(TosState state) { | |
2012 transition(state, state); | |
2013 assert(_desc->calls_vm(), "inconsistent calls_vm information"); | |
2014 | |
2015 if (_desc->bytecode() == Bytecodes::_return_register_finalizer) { | |
2016 assert(state == vtos, "only valid state"); | |
2017 __ mov(G0, G3_scratch); | |
2018 __ access_local_ptr(G3_scratch, Otos_i); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2019 __ load_klass(Otos_i, O2); |
0 | 2020 __ set(JVM_ACC_HAS_FINALIZER, G3); |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
2021 __ ld(O2, in_bytes(Klass::access_flags_offset()), O2); |
0 | 2022 __ andcc(G3, O2, G0); |
2023 Label skip_register_finalizer; | |
2024 __ br(Assembler::zero, false, Assembler::pn, skip_register_finalizer); | |
2025 __ delayed()->nop(); | |
2026 | |
2027 // Call out to do finalizer registration | |
2028 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), Otos_i); | |
2029 | |
2030 __ bind(skip_register_finalizer); | |
2031 } | |
2032 | |
2033 __ remove_activation(state, /* throw_monitor_exception */ true); | |
2034 | |
2035 // The caller's SP was adjusted upon method entry to accomodate | |
2036 // the callee's non-argument locals. Undo that adjustment. | |
2037 __ ret(); // return to caller | |
2038 __ delayed()->restore(I5_savedSP, G0, SP); | |
2039 } | |
2040 | |
2041 | |
2042 // ---------------------------------------------------------------------------- | |
2043 // Volatile variables demand their effects be made known to all CPU's in | |
2044 // order. Store buffers on most chips allow reads & writes to reorder; the | |
2045 // JMM's ReadAfterWrite.java test fails in -Xint mode without some kind of | |
2046 // memory barrier (i.e., it's not sufficient that the interpreter does not | |
2047 // reorder volatile references, the hardware also must not reorder them). | |
2048 // | |
2049 // According to the new Java Memory Model (JMM): | |
2050 // (1) All volatiles are serialized wrt to each other. | |
2051 // ALSO reads & writes act as aquire & release, so: | |
2052 // (2) A read cannot let unrelated NON-volatile memory refs that happen after | |
2053 // the read float up to before the read. It's OK for non-volatile memory refs | |
2054 // that happen before the volatile read to float down below it. | |
2055 // (3) Similar a volatile write cannot let unrelated NON-volatile memory refs | |
2056 // that happen BEFORE the write float down to after the write. It's OK for | |
2057 // non-volatile memory refs that happen after the volatile write to float up | |
2058 // before it. | |
2059 // | |
2060 // We only put in barriers around volatile refs (they are expensive), not | |
2061 // _between_ memory refs (that would require us to track the flavor of the | |
2062 // previous memory refs). Requirements (2) and (3) require some barriers | |
2063 // before volatile stores and after volatile loads. These nearly cover | |
2064 // requirement (1) but miss the volatile-store-volatile-load case. This final | |
2065 // case is placed after volatile-stores although it could just as well go | |
2066 // before volatile-loads. | |
2067 void TemplateTable::volatile_barrier(Assembler::Membar_mask_bits order_constraint) { | |
2068 // Helper function to insert a is-volatile test and memory barrier | |
2069 // All current sparc implementations run in TSO, needing only StoreLoad | |
2070 if ((order_constraint & Assembler::StoreLoad) == 0) return; | |
2071 __ membar( order_constraint ); | |
2072 } | |
2073 | |
2074 // ---------------------------------------------------------------------------- | |
1565 | 2075 void TemplateTable::resolve_cache_and_index(int byte_no, |
2076 Register Rcache, | |
2077 Register index, | |
2078 size_t index_size) { | |
0 | 2079 // Depends on cpCacheOop layout! |
2080 Label resolved; | |
2081 | |
1565 | 2082 assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range"); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2083 __ get_cache_and_index_and_bytecode_at_bcp(Rcache, index, Lbyte_code, byte_no, 1, index_size); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2084 __ cmp(Lbyte_code, (int) bytecode()); // have we resolved this bytecode? |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2085 __ br(Assembler::equal, false, Assembler::pt, resolved); |
1503 | 2086 __ delayed()->set((int)bytecode(), O1); |
0 | 2087 |
2088 address entry; | |
2089 switch (bytecode()) { | |
2090 case Bytecodes::_getstatic : // fall through | |
2091 case Bytecodes::_putstatic : // fall through | |
2092 case Bytecodes::_getfield : // fall through | |
2093 case Bytecodes::_putfield : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break; | |
2094 case Bytecodes::_invokevirtual : // fall through | |
2095 case Bytecodes::_invokespecial : // fall through | |
2096 case Bytecodes::_invokestatic : // fall through | |
2097 case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2098 case Bytecodes::_invokehandle : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); break; |
1503 | 2099 case Bytecodes::_invokedynamic : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2100 default: |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2101 fatal(err_msg("unexpected bytecode: %s", Bytecodes::name(bytecode()))); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2102 break; |
0 | 2103 } |
2104 // first time invocation - must resolve first | |
2105 __ call_VM(noreg, entry, O1); | |
2106 // Update registers with resolved info | |
1565 | 2107 __ get_cache_and_index_at_bcp(Rcache, index, 1, index_size); |
0 | 2108 __ bind(resolved); |
2109 } | |
2110 | |
2111 void TemplateTable::load_invoke_cp_cache_entry(int byte_no, | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2112 Register method, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2113 Register itable_index, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2114 Register flags, |
0 | 2115 bool is_invokevirtual, |
1565 | 2116 bool is_invokevfinal, |
2117 bool is_invokedynamic) { | |
0 | 2118 // Uses both G3_scratch and G4_scratch |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2119 Register cache = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2120 Register index = G4_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2121 assert_different_registers(cache, method, itable_index); |
0 | 2122 |
2123 // determine constant pool cache field offsets | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2124 assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant"); |
0 | 2125 const int method_offset = in_bytes( |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2126 ConstantPoolCache::base_offset() + |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2127 ((byte_no == f2_byte) |
0 | 2128 ? ConstantPoolCacheEntry::f2_offset() |
2129 : ConstantPoolCacheEntry::f1_offset() | |
2130 ) | |
2131 ); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2132 const int flags_offset = in_bytes(ConstantPoolCache::base_offset() + |
0 | 2133 ConstantPoolCacheEntry::flags_offset()); |
2134 // access constant pool cache fields | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2135 const int index_offset = in_bytes(ConstantPoolCache::base_offset() + |
0 | 2136 ConstantPoolCacheEntry::f2_offset()); |
2137 | |
2138 if (is_invokevfinal) { | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2139 __ get_cache_and_index_at_bcp(cache, index, 1); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2140 __ ld_ptr(Address(cache, method_offset), method); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2141 } else { |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2142 size_t index_size = (is_invokedynamic ? sizeof(u4) : sizeof(u2)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2143 resolve_cache_and_index(byte_no, cache, index, index_size); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2144 __ ld_ptr(Address(cache, method_offset), method); |
0 | 2145 } |
2146 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2147 if (itable_index != noreg) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2148 // pick up itable or appendix index from f2 also: |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2149 __ ld_ptr(Address(cache, index_offset), itable_index); |
0 | 2150 } |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2151 __ ld_ptr(Address(cache, flags_offset), flags); |
0 | 2152 } |
2153 | |
2154 // The Rcache register must be set before call | |
2155 void TemplateTable::load_field_cp_cache_entry(Register Robj, | |
2156 Register Rcache, | |
2157 Register index, | |
2158 Register Roffset, | |
2159 Register Rflags, | |
2160 bool is_static) { | |
2161 assert_different_registers(Rcache, Rflags, Roffset); | |
2162 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2163 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
0 | 2164 |
727 | 2165 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
2166 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); | |
0 | 2167 if (is_static) { |
727 | 2168 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f1_offset(), Robj); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2169 const int mirror_offset = in_bytes(Klass::java_mirror_offset()); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2170 __ ld_ptr( Robj, mirror_offset, Robj); |
0 | 2171 } |
2172 } | |
2173 | |
2174 // The registers Rcache and index expected to be set before call. | |
2175 // Correct values of the Rcache and index registers are preserved. | |
2176 void TemplateTable::jvmti_post_field_access(Register Rcache, | |
2177 Register index, | |
2178 bool is_static, | |
2179 bool has_tos) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2180 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
0 | 2181 |
2182 if (JvmtiExport::can_post_field_access()) { | |
2183 // Check to see if a field access watch has been set before we take | |
2184 // the time to call into the VM. | |
2185 Label Label1; | |
2186 assert_different_registers(Rcache, index, G1_scratch); | |
727 | 2187 AddressLiteral get_field_access_count_addr(JvmtiExport::get_field_access_count_addr()); |
0 | 2188 __ load_contents(get_field_access_count_addr, G1_scratch); |
3839 | 2189 __ cmp_and_br_short(G1_scratch, 0, Assembler::equal, Assembler::pt, Label1); |
0 | 2190 |
2191 __ add(Rcache, in_bytes(cp_base_offset), Rcache); | |
2192 | |
2193 if (is_static) { | |
2194 __ clr(Otos_i); | |
2195 } else { | |
2196 if (has_tos) { | |
2197 // save object pointer before call_VM() clobbers it | |
450
b22701a8b88f
6474243: suspicious jvmti code that uses oop unsafely across GC point
coleenp
parents:
356
diff
changeset
|
2198 __ push_ptr(Otos_i); // put object on tos where GC wants it. |
0 | 2199 } else { |
2200 // Load top of stack (do not pop the value off the stack); | |
2201 __ ld_ptr(Lesp, Interpreter::expr_offset_in_bytes(0), Otos_i); | |
2202 } | |
2203 __ verify_oop(Otos_i); | |
2204 } | |
2205 // Otos_i: object pointer or NULL if static | |
2206 // Rcache: cache entry pointer | |
2207 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), | |
2208 Otos_i, Rcache); | |
2209 if (!is_static && has_tos) { | |
450
b22701a8b88f
6474243: suspicious jvmti code that uses oop unsafely across GC point
coleenp
parents:
356
diff
changeset
|
2210 __ pop_ptr(Otos_i); // restore object pointer |
0 | 2211 __ verify_oop(Otos_i); |
2212 } | |
2213 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2214 __ bind(Label1); | |
2215 } | |
2216 } | |
2217 | |
2218 void TemplateTable::getfield_or_static(int byte_no, bool is_static) { | |
2219 transition(vtos, vtos); | |
2220 | |
2221 Register Rcache = G3_scratch; | |
2222 Register index = G4_scratch; | |
2223 Register Rclass = Rcache; | |
2224 Register Roffset= G4_scratch; | |
2225 Register Rflags = G1_scratch; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2226 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2227 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2228 resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
0 | 2229 jvmti_post_field_access(Rcache, index, is_static, false); |
2230 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
2231 | |
2232 if (!is_static) { | |
2233 pop_and_check_object(Rclass); | |
2234 } else { | |
2235 __ verify_oop(Rclass); | |
2236 } | |
2237 | |
2238 Label exit; | |
2239 | |
2240 Assembler::Membar_mask_bits membar_bits = | |
2241 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2242 | |
2243 if (__ membar_has_effect(membar_bits)) { | |
2244 // Get volatile flag | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2245 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
0 | 2246 __ and3(Rflags, Lscratch, Lscratch); |
2247 } | |
2248 | |
2249 Label checkVolatile; | |
2250 | |
2251 // compute field type | |
2252 Label notByte, notInt, notShort, notChar, notLong, notFloat, notObj; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2253 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2254 // Make sure we don't need to mask Rflags after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2255 ConstantPoolCacheEntry::verify_tos_state_shift(); |
0 | 2256 |
2257 // Check atos before itos for getstatic, more likely (in Queens at least) | |
2258 __ cmp(Rflags, atos); | |
2259 __ br(Assembler::notEqual, false, Assembler::pt, notObj); | |
2260 __ delayed() ->cmp(Rflags, itos); | |
2261 | |
2262 // atos | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2263 __ load_heap_oop(Rclass, Roffset, Otos_i); |
0 | 2264 __ verify_oop(Otos_i); |
2265 __ push(atos); | |
2266 if (!is_static) { | |
2267 patch_bytecode(Bytecodes::_fast_agetfield, G3_scratch, G4_scratch); | |
2268 } | |
3839 | 2269 __ ba(checkVolatile); |
0 | 2270 __ delayed()->tst(Lscratch); |
2271 | |
2272 __ bind(notObj); | |
2273 | |
2274 // cmp(Rflags, itos); | |
2275 __ br(Assembler::notEqual, false, Assembler::pt, notInt); | |
2276 __ delayed() ->cmp(Rflags, ltos); | |
2277 | |
2278 // itos | |
2279 __ ld(Rclass, Roffset, Otos_i); | |
2280 __ push(itos); | |
2281 if (!is_static) { | |
2282 patch_bytecode(Bytecodes::_fast_igetfield, G3_scratch, G4_scratch); | |
2283 } | |
3839 | 2284 __ ba(checkVolatile); |
0 | 2285 __ delayed()->tst(Lscratch); |
2286 | |
2287 __ bind(notInt); | |
2288 | |
2289 // cmp(Rflags, ltos); | |
2290 __ br(Assembler::notEqual, false, Assembler::pt, notLong); | |
2291 __ delayed() ->cmp(Rflags, btos); | |
2292 | |
2293 // ltos | |
2294 // load must be atomic | |
2295 __ ld_long(Rclass, Roffset, Otos_l); | |
2296 __ push(ltos); | |
2297 if (!is_static) { | |
2298 patch_bytecode(Bytecodes::_fast_lgetfield, G3_scratch, G4_scratch); | |
2299 } | |
3839 | 2300 __ ba(checkVolatile); |
0 | 2301 __ delayed()->tst(Lscratch); |
2302 | |
2303 __ bind(notLong); | |
2304 | |
2305 // cmp(Rflags, btos); | |
2306 __ br(Assembler::notEqual, false, Assembler::pt, notByte); | |
2307 __ delayed() ->cmp(Rflags, ctos); | |
2308 | |
2309 // btos | |
2310 __ ldsb(Rclass, Roffset, Otos_i); | |
2311 __ push(itos); | |
2312 if (!is_static) { | |
2313 patch_bytecode(Bytecodes::_fast_bgetfield, G3_scratch, G4_scratch); | |
2314 } | |
3839 | 2315 __ ba(checkVolatile); |
0 | 2316 __ delayed()->tst(Lscratch); |
2317 | |
2318 __ bind(notByte); | |
2319 | |
2320 // cmp(Rflags, ctos); | |
2321 __ br(Assembler::notEqual, false, Assembler::pt, notChar); | |
2322 __ delayed() ->cmp(Rflags, stos); | |
2323 | |
2324 // ctos | |
2325 __ lduh(Rclass, Roffset, Otos_i); | |
2326 __ push(itos); | |
2327 if (!is_static) { | |
2328 patch_bytecode(Bytecodes::_fast_cgetfield, G3_scratch, G4_scratch); | |
2329 } | |
3839 | 2330 __ ba(checkVolatile); |
0 | 2331 __ delayed()->tst(Lscratch); |
2332 | |
2333 __ bind(notChar); | |
2334 | |
2335 // cmp(Rflags, stos); | |
2336 __ br(Assembler::notEqual, false, Assembler::pt, notShort); | |
2337 __ delayed() ->cmp(Rflags, ftos); | |
2338 | |
2339 // stos | |
2340 __ ldsh(Rclass, Roffset, Otos_i); | |
2341 __ push(itos); | |
2342 if (!is_static) { | |
2343 patch_bytecode(Bytecodes::_fast_sgetfield, G3_scratch, G4_scratch); | |
2344 } | |
3839 | 2345 __ ba(checkVolatile); |
0 | 2346 __ delayed()->tst(Lscratch); |
2347 | |
2348 __ bind(notShort); | |
2349 | |
2350 | |
2351 // cmp(Rflags, ftos); | |
2352 __ br(Assembler::notEqual, false, Assembler::pt, notFloat); | |
2353 __ delayed() ->tst(Lscratch); | |
2354 | |
2355 // ftos | |
2356 __ ldf(FloatRegisterImpl::S, Rclass, Roffset, Ftos_f); | |
2357 __ push(ftos); | |
2358 if (!is_static) { | |
2359 patch_bytecode(Bytecodes::_fast_fgetfield, G3_scratch, G4_scratch); | |
2360 } | |
3839 | 2361 __ ba(checkVolatile); |
0 | 2362 __ delayed()->tst(Lscratch); |
2363 | |
2364 __ bind(notFloat); | |
2365 | |
2366 | |
2367 // dtos | |
2368 __ ldf(FloatRegisterImpl::D, Rclass, Roffset, Ftos_d); | |
2369 __ push(dtos); | |
2370 if (!is_static) { | |
2371 patch_bytecode(Bytecodes::_fast_dgetfield, G3_scratch, G4_scratch); | |
2372 } | |
2373 | |
2374 __ bind(checkVolatile); | |
2375 if (__ membar_has_effect(membar_bits)) { | |
2376 // __ tst(Lscratch); executed in delay slot | |
2377 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2378 __ delayed()->nop(); | |
2379 volatile_barrier(membar_bits); | |
2380 } | |
2381 | |
2382 __ bind(exit); | |
2383 } | |
2384 | |
2385 | |
2386 void TemplateTable::getfield(int byte_no) { | |
2387 getfield_or_static(byte_no, false); | |
2388 } | |
2389 | |
2390 void TemplateTable::getstatic(int byte_no) { | |
2391 getfield_or_static(byte_no, true); | |
2392 } | |
2393 | |
2394 | |
2395 void TemplateTable::fast_accessfield(TosState state) { | |
2396 transition(atos, state); | |
2397 Register Rcache = G3_scratch; | |
2398 Register index = G4_scratch; | |
2399 Register Roffset = G4_scratch; | |
2400 Register Rflags = Rcache; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2401 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
0 | 2402 |
2403 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2404 jvmti_post_field_access(Rcache, index, /*is_static*/false, /*has_tos*/true); | |
2405 | |
727 | 2406 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2407 |
2408 __ null_check(Otos_i); | |
2409 __ verify_oop(Otos_i); | |
2410 | |
2411 Label exit; | |
2412 | |
2413 Assembler::Membar_mask_bits membar_bits = | |
2414 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2415 if (__ membar_has_effect(membar_bits)) { | |
2416 // Get volatile flag | |
727 | 2417 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Rflags); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2418 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
0 | 2419 } |
2420 | |
2421 switch (bytecode()) { | |
2422 case Bytecodes::_fast_bgetfield: | |
2423 __ ldsb(Otos_i, Roffset, Otos_i); | |
2424 break; | |
2425 case Bytecodes::_fast_cgetfield: | |
2426 __ lduh(Otos_i, Roffset, Otos_i); | |
2427 break; | |
2428 case Bytecodes::_fast_sgetfield: | |
2429 __ ldsh(Otos_i, Roffset, Otos_i); | |
2430 break; | |
2431 case Bytecodes::_fast_igetfield: | |
2432 __ ld(Otos_i, Roffset, Otos_i); | |
2433 break; | |
2434 case Bytecodes::_fast_lgetfield: | |
2435 __ ld_long(Otos_i, Roffset, Otos_l); | |
2436 break; | |
2437 case Bytecodes::_fast_fgetfield: | |
2438 __ ldf(FloatRegisterImpl::S, Otos_i, Roffset, Ftos_f); | |
2439 break; | |
2440 case Bytecodes::_fast_dgetfield: | |
2441 __ ldf(FloatRegisterImpl::D, Otos_i, Roffset, Ftos_d); | |
2442 break; | |
2443 case Bytecodes::_fast_agetfield: | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2444 __ load_heap_oop(Otos_i, Roffset, Otos_i); |
0 | 2445 break; |
2446 default: | |
2447 ShouldNotReachHere(); | |
2448 } | |
2449 | |
2450 if (__ membar_has_effect(membar_bits)) { | |
2451 __ btst(Lscratch, Rflags); | |
2452 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2453 __ delayed()->nop(); | |
2454 volatile_barrier(membar_bits); | |
2455 __ bind(exit); | |
2456 } | |
2457 | |
2458 if (state == atos) { | |
2459 __ verify_oop(Otos_i); // does not blow flags! | |
2460 } | |
2461 } | |
2462 | |
2463 void TemplateTable::jvmti_post_fast_field_mod() { | |
2464 if (JvmtiExport::can_post_field_modification()) { | |
2465 // Check to see if a field modification watch has been set before we take | |
2466 // the time to call into the VM. | |
2467 Label done; | |
727 | 2468 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
0 | 2469 __ load_contents(get_field_modification_count_addr, G4_scratch); |
3839 | 2470 __ cmp_and_br_short(G4_scratch, 0, Assembler::equal, Assembler::pt, done); |
0 | 2471 __ pop_ptr(G4_scratch); // copy the object pointer from tos |
2472 __ verify_oop(G4_scratch); | |
2473 __ push_ptr(G4_scratch); // put the object pointer back on tos | |
2474 __ get_cache_entry_pointer_at_bcp(G1_scratch, G3_scratch, 1); | |
2475 // Save tos values before call_VM() clobbers them. Since we have | |
2476 // to do it for every data type, we use the saved values as the | |
2477 // jvalue object. | |
2478 switch (bytecode()) { // save tos values before call_VM() clobbers them | |
2479 case Bytecodes::_fast_aputfield: __ push_ptr(Otos_i); break; | |
2480 case Bytecodes::_fast_bputfield: // fall through | |
2481 case Bytecodes::_fast_sputfield: // fall through | |
2482 case Bytecodes::_fast_cputfield: // fall through | |
2483 case Bytecodes::_fast_iputfield: __ push_i(Otos_i); break; | |
2484 case Bytecodes::_fast_dputfield: __ push_d(Ftos_d); break; | |
2485 case Bytecodes::_fast_fputfield: __ push_f(Ftos_f); break; | |
2486 // get words in right order for use as jvalue object | |
2487 case Bytecodes::_fast_lputfield: __ push_l(Otos_l); break; | |
2488 } | |
2489 // setup pointer to jvalue object | |
2490 __ mov(Lesp, G3_scratch); __ inc(G3_scratch, wordSize); | |
2491 // G4_scratch: object pointer | |
2492 // G1_scratch: cache entry pointer | |
2493 // G3_scratch: jvalue object on the stack | |
2494 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), G4_scratch, G1_scratch, G3_scratch); | |
2495 switch (bytecode()) { // restore tos values | |
2496 case Bytecodes::_fast_aputfield: __ pop_ptr(Otos_i); break; | |
2497 case Bytecodes::_fast_bputfield: // fall through | |
2498 case Bytecodes::_fast_sputfield: // fall through | |
2499 case Bytecodes::_fast_cputfield: // fall through | |
2500 case Bytecodes::_fast_iputfield: __ pop_i(Otos_i); break; | |
2501 case Bytecodes::_fast_dputfield: __ pop_d(Ftos_d); break; | |
2502 case Bytecodes::_fast_fputfield: __ pop_f(Ftos_f); break; | |
2503 case Bytecodes::_fast_lputfield: __ pop_l(Otos_l); break; | |
2504 } | |
2505 __ bind(done); | |
2506 } | |
2507 } | |
2508 | |
2509 // The registers Rcache and index expected to be set before call. | |
2510 // The function may destroy various registers, just not the Rcache and index registers. | |
2511 void TemplateTable::jvmti_post_field_mod(Register Rcache, Register index, bool is_static) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2512 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
0 | 2513 |
2514 if (JvmtiExport::can_post_field_modification()) { | |
2515 // Check to see if a field modification watch has been set before we take | |
2516 // the time to call into the VM. | |
2517 Label Label1; | |
2518 assert_different_registers(Rcache, index, G1_scratch); | |
727 | 2519 AddressLiteral get_field_modification_count_addr(JvmtiExport::get_field_modification_count_addr()); |
0 | 2520 __ load_contents(get_field_modification_count_addr, G1_scratch); |
3839 | 2521 __ cmp_and_br_short(G1_scratch, 0, Assembler::zero, Assembler::pt, Label1); |
0 | 2522 |
2523 // The Rcache and index registers have been already set. | |
2524 // This allows to eliminate this call but the Rcache and index | |
2525 // registers must be correspondingly used after this line. | |
2526 __ get_cache_and_index_at_bcp(G1_scratch, G4_scratch, 1); | |
2527 | |
2528 __ add(G1_scratch, in_bytes(cp_base_offset), G3_scratch); | |
2529 if (is_static) { | |
2530 // Life is simple. Null out the object pointer. | |
2531 __ clr(G4_scratch); | |
2532 } else { | |
2533 Register Rflags = G1_scratch; | |
2534 // Life is harder. The stack holds the value on top, followed by the | |
2535 // object. We don't know the size of the value, though; it could be | |
2536 // one or two words depending on its type. As a result, we must find | |
2537 // the type to determine where the object is. | |
2538 | |
2539 Label two_word, valsizeknown; | |
727 | 2540 __ ld_ptr(G1_scratch, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
0 | 2541 __ mov(Lesp, G4_scratch); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2542 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2543 // Make sure we don't need to mask Rflags after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2544 ConstantPoolCacheEntry::verify_tos_state_shift(); |
0 | 2545 __ cmp(Rflags, ltos); |
2546 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
2547 __ delayed()->cmp(Rflags, dtos); | |
2548 __ br(Assembler::equal, false, Assembler::pt, two_word); | |
2549 __ delayed()->nop(); | |
2550 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(1)); | |
3839 | 2551 __ ba_short(valsizeknown); |
0 | 2552 __ bind(two_word); |
2553 | |
2554 __ inc(G4_scratch, Interpreter::expr_offset_in_bytes(2)); | |
2555 | |
2556 __ bind(valsizeknown); | |
2557 // setup object pointer | |
2558 __ ld_ptr(G4_scratch, 0, G4_scratch); | |
2559 __ verify_oop(G4_scratch); | |
2560 } | |
2561 // setup pointer to jvalue object | |
2562 __ mov(Lesp, G1_scratch); __ inc(G1_scratch, wordSize); | |
2563 // G4_scratch: object pointer or NULL if static | |
2564 // G3_scratch: cache entry pointer | |
2565 // G1_scratch: jvalue object on the stack | |
2566 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), | |
2567 G4_scratch, G3_scratch, G1_scratch); | |
2568 __ get_cache_and_index_at_bcp(Rcache, index, 1); | |
2569 __ bind(Label1); | |
2570 } | |
2571 } | |
2572 | |
2573 void TemplateTable::pop_and_check_object(Register r) { | |
2574 __ pop_ptr(r); | |
2575 __ null_check(r); // for field access must check obj. | |
2576 __ verify_oop(r); | |
2577 } | |
2578 | |
2579 void TemplateTable::putfield_or_static(int byte_no, bool is_static) { | |
2580 transition(vtos, vtos); | |
2581 Register Rcache = G3_scratch; | |
2582 Register index = G4_scratch; | |
2583 Register Rclass = Rcache; | |
2584 Register Roffset= G4_scratch; | |
2585 Register Rflags = G1_scratch; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2586 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2587 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2588 resolve_cache_and_index(byte_no, Rcache, index, sizeof(u2)); |
0 | 2589 jvmti_post_field_mod(Rcache, index, is_static); |
2590 load_field_cp_cache_entry(Rclass, Rcache, index, Roffset, Rflags, is_static); | |
2591 | |
2592 Assembler::Membar_mask_bits read_bits = | |
2593 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
2594 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
2595 | |
2596 Label notVolatile, checkVolatile, exit; | |
2597 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2598 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
0 | 2599 __ and3(Rflags, Lscratch, Lscratch); |
2600 | |
2601 if (__ membar_has_effect(read_bits)) { | |
3839 | 2602 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
0 | 2603 volatile_barrier(read_bits); |
2604 __ bind(notVolatile); | |
2605 } | |
2606 } | |
2607 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2608 __ srl(Rflags, ConstantPoolCacheEntry::tos_state_shift, Rflags); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2609 // Make sure we don't need to mask Rflags after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2610 ConstantPoolCacheEntry::verify_tos_state_shift(); |
0 | 2611 |
2612 // compute field type | |
2613 Label notInt, notShort, notChar, notObj, notByte, notLong, notFloat; | |
2614 | |
2615 if (is_static) { | |
2616 // putstatic with object type most likely, check that first | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2617 __ cmp(Rflags, atos); |
0 | 2618 __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2619 __ delayed()->cmp(Rflags, itos); |
0 | 2620 |
2621 // atos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2622 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2623 __ pop_ptr(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2624 __ verify_oop(Otos_i); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2625 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2626 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2627 __ delayed()->tst(Lscratch); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2628 } |
0 | 2629 |
2630 __ bind(notObj); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2631 // cmp(Rflags, itos); |
0 | 2632 __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2633 __ delayed()->cmp(Rflags, btos); |
0 | 2634 |
2635 // itos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2636 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2637 __ pop_i(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2638 __ st(Otos_i, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2639 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2640 __ delayed()->tst(Lscratch); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2641 } |
0 | 2642 |
2643 __ bind(notInt); | |
2644 } else { | |
2645 // putfield with int type most likely, check that first | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2646 __ cmp(Rflags, itos); |
0 | 2647 __ br(Assembler::notEqual, false, Assembler::pt, notInt); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2648 __ delayed()->cmp(Rflags, atos); |
0 | 2649 |
2650 // itos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2651 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2652 __ pop_i(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2653 pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2654 __ st(Otos_i, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2655 patch_bytecode(Bytecodes::_fast_iputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2656 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2657 __ delayed()->tst(Lscratch); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2658 } |
0 | 2659 |
2660 __ bind(notInt); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2661 // cmp(Rflags, atos); |
0 | 2662 __ br(Assembler::notEqual, false, Assembler::pt, notObj); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2663 __ delayed()->cmp(Rflags, btos); |
0 | 2664 |
2665 // atos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2666 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2667 __ pop_ptr(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2668 pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2669 __ verify_oop(Otos_i); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2670 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2671 patch_bytecode(Bytecodes::_fast_aputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2672 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2673 __ delayed()->tst(Lscratch); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2674 } |
0 | 2675 |
2676 __ bind(notObj); | |
2677 } | |
2678 | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2679 // cmp(Rflags, btos); |
0 | 2680 __ br(Assembler::notEqual, false, Assembler::pt, notByte); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2681 __ delayed()->cmp(Rflags, ltos); |
0 | 2682 |
2683 // btos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2684 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2685 __ pop_i(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2686 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2687 __ stb(Otos_i, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2688 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2689 patch_bytecode(Bytecodes::_fast_bputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2690 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2691 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2692 __ delayed()->tst(Lscratch); |
0 | 2693 } |
2694 | |
2695 __ bind(notByte); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2696 // cmp(Rflags, ltos); |
0 | 2697 __ br(Assembler::notEqual, false, Assembler::pt, notLong); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2698 __ delayed()->cmp(Rflags, ctos); |
0 | 2699 |
2700 // ltos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2701 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2702 __ pop_l(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2703 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2704 __ st_long(Otos_l, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2705 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2706 patch_bytecode(Bytecodes::_fast_lputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2707 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2708 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2709 __ delayed()->tst(Lscratch); |
0 | 2710 } |
2711 | |
2712 __ bind(notLong); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2713 // cmp(Rflags, ctos); |
0 | 2714 __ br(Assembler::notEqual, false, Assembler::pt, notChar); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2715 __ delayed()->cmp(Rflags, stos); |
0 | 2716 |
2717 // ctos (char) | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2718 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2719 __ pop_i(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2720 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2721 __ sth(Otos_i, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2722 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2723 patch_bytecode(Bytecodes::_fast_cputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2724 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2725 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2726 __ delayed()->tst(Lscratch); |
0 | 2727 } |
2728 | |
2729 __ bind(notChar); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2730 // cmp(Rflags, stos); |
0 | 2731 __ br(Assembler::notEqual, false, Assembler::pt, notShort); |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2732 __ delayed()->cmp(Rflags, ftos); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2733 |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2734 // stos (short) |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2735 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2736 __ pop_i(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2737 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2738 __ sth(Otos_i, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2739 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2740 patch_bytecode(Bytecodes::_fast_sputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2741 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2742 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2743 __ delayed()->tst(Lscratch); |
0 | 2744 } |
2745 | |
2746 __ bind(notShort); | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2747 // cmp(Rflags, ftos); |
0 | 2748 __ br(Assembler::notZero, false, Assembler::pt, notFloat); |
2749 __ delayed()->nop(); | |
2750 | |
2751 // ftos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2752 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2753 __ pop_f(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2754 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2755 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2756 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2757 patch_bytecode(Bytecodes::_fast_fputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2758 } |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2759 __ ba(checkVolatile); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2760 __ delayed()->tst(Lscratch); |
0 | 2761 } |
2762 | |
2763 __ bind(notFloat); | |
2764 | |
2765 // dtos | |
3852
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2766 { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2767 __ pop_d(); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2768 if (!is_static) pop_and_check_object(Rclass); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2769 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2770 if (!is_static) { |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2771 patch_bytecode(Bytecodes::_fast_dputfield, G3_scratch, G4_scratch, true, byte_no); |
fdb992d83a87
7071653: JSR 292: call site change notification should be pushed not pulled
twisti
parents:
3839
diff
changeset
|
2772 } |
0 | 2773 } |
2774 | |
2775 __ bind(checkVolatile); | |
2776 __ tst(Lscratch); | |
2777 | |
2778 if (__ membar_has_effect(write_bits)) { | |
2779 // __ tst(Lscratch); in delay slot | |
2780 __ br(Assembler::zero, false, Assembler::pt, exit); | |
2781 __ delayed()->nop(); | |
2782 volatile_barrier(Assembler::StoreLoad); | |
2783 __ bind(exit); | |
2784 } | |
2785 } | |
2786 | |
2787 void TemplateTable::fast_storefield(TosState state) { | |
2788 transition(state, vtos); | |
2789 Register Rcache = G3_scratch; | |
2790 Register Rclass = Rcache; | |
2791 Register Roffset= G4_scratch; | |
2792 Register Rflags = G1_scratch; | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2793 ByteSize cp_base_offset = ConstantPoolCache::base_offset(); |
0 | 2794 |
2795 jvmti_post_fast_field_mod(); | |
2796 | |
2797 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 1); | |
2798 | |
2799 Assembler::Membar_mask_bits read_bits = | |
2800 Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore); | |
2801 Assembler::Membar_mask_bits write_bits = Assembler::StoreLoad; | |
2802 | |
2803 Label notVolatile, checkVolatile, exit; | |
2804 if (__ membar_has_effect(read_bits) || __ membar_has_effect(write_bits)) { | |
727 | 2805 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::flags_offset(), Rflags); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2806 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
0 | 2807 __ and3(Rflags, Lscratch, Lscratch); |
2808 if (__ membar_has_effect(read_bits)) { | |
3839 | 2809 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, notVolatile); |
0 | 2810 volatile_barrier(read_bits); |
2811 __ bind(notVolatile); | |
2812 } | |
2813 } | |
2814 | |
727 | 2815 __ ld_ptr(Rcache, cp_base_offset + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2816 pop_and_check_object(Rclass); |
2817 | |
2818 switch (bytecode()) { | |
2819 case Bytecodes::_fast_bputfield: __ stb(Otos_i, Rclass, Roffset); break; | |
2820 case Bytecodes::_fast_cputfield: /* fall through */ | |
2821 case Bytecodes::_fast_sputfield: __ sth(Otos_i, Rclass, Roffset); break; | |
2822 case Bytecodes::_fast_iputfield: __ st(Otos_i, Rclass, Roffset); break; | |
2823 case Bytecodes::_fast_lputfield: __ st_long(Otos_l, Rclass, Roffset); break; | |
2824 case Bytecodes::_fast_fputfield: | |
2825 __ stf(FloatRegisterImpl::S, Ftos_f, Rclass, Roffset); | |
2826 break; | |
2827 case Bytecodes::_fast_dputfield: | |
2828 __ stf(FloatRegisterImpl::D, Ftos_d, Rclass, Roffset); | |
2829 break; | |
2830 case Bytecodes::_fast_aputfield: | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
113
diff
changeset
|
2831 do_oop_store(_masm, Rclass, Roffset, 0, Otos_i, G1_scratch, _bs->kind(), false); |
0 | 2832 break; |
2833 default: | |
2834 ShouldNotReachHere(); | |
2835 } | |
2836 | |
2837 if (__ membar_has_effect(write_bits)) { | |
3839 | 2838 __ cmp_and_br_short(Lscratch, 0, Assembler::equal, Assembler::pt, exit); |
0 | 2839 volatile_barrier(Assembler::StoreLoad); |
2840 __ bind(exit); | |
2841 } | |
2842 } | |
2843 | |
2844 | |
2845 void TemplateTable::putfield(int byte_no) { | |
2846 putfield_or_static(byte_no, false); | |
2847 } | |
2848 | |
2849 void TemplateTable::putstatic(int byte_no) { | |
2850 putfield_or_static(byte_no, true); | |
2851 } | |
2852 | |
2853 | |
2854 void TemplateTable::fast_xaccess(TosState state) { | |
2855 transition(vtos, state); | |
2856 Register Rcache = G3_scratch; | |
2857 Register Roffset = G4_scratch; | |
2858 Register Rflags = G4_scratch; | |
2859 Register Rreceiver = Lscratch; | |
2860 | |
1506 | 2861 __ ld_ptr(Llocals, 0, Rreceiver); |
0 | 2862 |
2863 // access constant pool cache (is resolved) | |
2864 __ get_cache_and_index_at_bcp(Rcache, G4_scratch, 2); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2865 __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::f2_offset(), Roffset); |
0 | 2866 __ add(Lbcp, 1, Lbcp); // needed to report exception at the correct bcp |
2867 | |
2868 __ verify_oop(Rreceiver); | |
2869 __ null_check(Rreceiver); | |
2870 if (state == atos) { | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
2871 __ load_heap_oop(Rreceiver, Roffset, Otos_i); |
0 | 2872 } else if (state == itos) { |
2873 __ ld (Rreceiver, Roffset, Otos_i) ; | |
2874 } else if (state == ftos) { | |
2875 __ ldf(FloatRegisterImpl::S, Rreceiver, Roffset, Ftos_f); | |
2876 } else { | |
2877 ShouldNotReachHere(); | |
2878 } | |
2879 | |
2880 Assembler::Membar_mask_bits membar_bits = | |
2881 Assembler::Membar_mask_bits(Assembler::LoadLoad | Assembler::LoadStore); | |
2882 if (__ membar_has_effect(membar_bits)) { | |
2883 | |
2884 // Get is_volatile value in Rflags and check if membar is needed | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2885 __ ld_ptr(Rcache, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset(), Rflags); |
0 | 2886 |
2887 // Test volatile | |
2888 Label notVolatile; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2889 __ set((1 << ConstantPoolCacheEntry::is_volatile_shift), Lscratch); |
0 | 2890 __ btst(Rflags, Lscratch); |
2891 __ br(Assembler::zero, false, Assembler::pt, notVolatile); | |
2892 __ delayed()->nop(); | |
2893 volatile_barrier(membar_bits); | |
2894 __ bind(notVolatile); | |
2895 } | |
2896 | |
2897 __ interp_verify_oop(Otos_i, state, __FILE__, __LINE__); | |
2898 __ sub(Lbcp, 1, Lbcp); | |
2899 } | |
2900 | |
2901 //---------------------------------------------------------------------------------------------------- | |
2902 // Calls | |
2903 | |
2904 void TemplateTable::count_calls(Register method, Register temp) { | |
2905 // implemented elsewhere | |
2906 ShouldNotReachHere(); | |
2907 } | |
2908 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2909 void TemplateTable::prepare_invoke(int byte_no, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2910 Register method, // linked method (or i-klass) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2911 Register ra, // return address |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2912 Register index, // itable index, MethodType, etc. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2913 Register recv, // if caller wants to see it |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2914 Register flags // if caller wants to test it |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2915 ) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2916 // determine flags |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2917 const Bytecodes::Code code = bytecode(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2918 const bool is_invokeinterface = code == Bytecodes::_invokeinterface; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2919 const bool is_invokedynamic = code == Bytecodes::_invokedynamic; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2920 const bool is_invokehandle = code == Bytecodes::_invokehandle; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2921 const bool is_invokevirtual = code == Bytecodes::_invokevirtual; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2922 const bool is_invokespecial = code == Bytecodes::_invokespecial; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2923 const bool load_receiver = (recv != noreg); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2924 assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2925 assert(recv == noreg || recv == O0, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2926 assert(flags == noreg || flags == O1, ""); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2927 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2928 // setup registers & access constant pool cache |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2929 if (recv == noreg) recv = O0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2930 if (flags == noreg) flags = O1; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2931 const Register temp = O2; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2932 assert_different_registers(method, ra, index, recv, flags, temp); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2933 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2934 load_invoke_cp_cache_entry(byte_no, method, index, flags, is_invokevirtual, false, is_invokedynamic); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2935 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2936 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2937 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2938 // maybe push appendix to arguments |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2939 if (is_invokedynamic || is_invokehandle) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2940 Label L_no_push; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2941 __ set((1 << ConstantPoolCacheEntry::has_appendix_shift), temp); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2942 __ btst(flags, temp); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2943 __ br(Assembler::zero, false, Assembler::pt, L_no_push); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2944 __ delayed()->nop(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2945 // Push the appendix as a trailing parameter. |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2946 // This must be done before we get the receiver, |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2947 // since the parameter_size includes it. |
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
2948 assert(ConstantPoolCacheEntry::_indy_resolved_references_appendix_offset == 0, "appendix expected at index+0"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2949 __ load_resolved_reference_at_index(temp, index); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2950 __ verify_oop(temp); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2951 __ push_ptr(temp); // push appendix (MethodType, CallSite, etc.) |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2952 __ bind(L_no_push); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2953 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2954 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2955 // load receiver if needed (after appendix is pushed so parameter size is correct) |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2956 if (load_receiver) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2957 __ and3(flags, ConstantPoolCacheEntry::parameter_size_mask, temp); // get parameter size |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2958 __ load_receiver(temp, recv); // __ argument_address uses Gargs but we need Lesp |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2959 __ verify_oop(recv); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2960 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2961 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2962 // compute return type |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2963 __ srl(flags, ConstantPoolCacheEntry::tos_state_shift, ra); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2964 // Make sure we don't need to mask flags after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2965 ConstantPoolCacheEntry::verify_tos_state_shift(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2966 // load return address |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2967 { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2968 const address table_addr = (is_invokeinterface || is_invokedynamic) ? |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2969 (address)Interpreter::return_5_addrs_by_index_table() : |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2970 (address)Interpreter::return_3_addrs_by_index_table(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2971 AddressLiteral table(table_addr); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2972 __ set(table, temp); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2973 __ sll(ra, LogBytesPerWord, ra); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2974 __ ld_ptr(Address(temp, ra), ra); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2975 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2976 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2977 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2978 |
0 | 2979 void TemplateTable::generate_vtable_call(Register Rrecv, Register Rindex, Register Rret) { |
2980 Register Rtemp = G4_scratch; | |
2981 Register Rcall = Rindex; | |
2982 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
2983 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
2984 // get target Method* & entry point |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2985 __ lookup_virtual_method(Rrecv, Rindex, G5_method); |
10458 | 2986 #ifdef GRAAL |
2987 __ profile_called_method(G5_method, Rtemp); | |
2988 #endif | |
0 | 2989 __ call_from_interpreter(Rcall, Gargs, Rret); |
2990 } | |
2991 | |
2992 void TemplateTable::invokevirtual(int byte_no) { | |
2993 transition(vtos, vtos); | |
1565 | 2994 assert(byte_no == f2_byte, "use this argument"); |
0 | 2995 |
2996 Register Rscratch = G3_scratch; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2997 Register Rtemp = G4_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2998 Register Rret = Lscratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
2999 Register O0_recv = O0; |
0 | 3000 Label notFinal; |
3001 | |
1565 | 3002 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Rret, true, false, false); |
0 | 3003 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3004 | |
3005 // Check for vfinal | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3006 __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), G4_scratch); |
0 | 3007 __ btst(Rret, G4_scratch); |
3008 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
3009 __ delayed()->and3(Rret, 0xFF, G4_scratch); // gets number of parameters | |
3010 | |
3011 patch_bytecode(Bytecodes::_fast_invokevfinal, Rscratch, Rtemp); | |
3012 | |
3013 invokevfinal_helper(Rscratch, Rret); | |
3014 | |
3015 __ bind(notFinal); | |
3016 | |
3017 __ mov(G5_method, Rscratch); // better scratch register | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3018 __ load_receiver(G4_scratch, O0_recv); // gets receiverOop |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3019 // receiver is in O0_recv |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3020 __ verify_oop(O0_recv); |
0 | 3021 |
3022 // get return address | |
727 | 3023 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
3024 __ set(table, Rtemp); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3025 __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3026 // Make sure we don't need to mask Rret after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3027 ConstantPoolCacheEntry::verify_tos_state_shift(); |
0 | 3028 __ sll(Rret, LogBytesPerWord, Rret); |
3029 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3030 | |
3031 // get receiver klass | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3032 __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3033 __ load_klass(O0_recv, O0_recv); |
6740
75f33eecc1b3
7196681: NPG: Some JSR 292 tests crash in Windows exception handler
coleenp
parents:
6725
diff
changeset
|
3034 __ verify_klass_ptr(O0_recv); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3035 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3036 __ profile_virtual_call(O0_recv, O4); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3037 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3038 generate_vtable_call(O0_recv, Rscratch, Rret); |
0 | 3039 } |
3040 | |
3041 void TemplateTable::fast_invokevfinal(int byte_no) { | |
3042 transition(vtos, vtos); | |
1565 | 3043 assert(byte_no == f2_byte, "use this argument"); |
0 | 3044 |
3045 load_invoke_cp_cache_entry(byte_no, G5_method, noreg, Lscratch, true, | |
1565 | 3046 /*is_invokevfinal*/true, false); |
0 | 3047 __ mov(SP, O5_savedSP); // record SP that we wanted the callee to restore |
3048 invokevfinal_helper(G3_scratch, Lscratch); | |
3049 } | |
3050 | |
3051 void TemplateTable::invokevfinal_helper(Register Rscratch, Register Rret) { | |
3052 Register Rtemp = G4_scratch; | |
3053 | |
3054 // Load receiver from stack slot | |
7402
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
6840
diff
changeset
|
3055 __ ld_ptr(G5_method, in_bytes(Method::const_offset()), G4_scratch); |
fd74228fd5ca
8004076: Move _max_locals and _size_of_parameters to ConstMethod for better sharing.
jiangli
parents:
6840
diff
changeset
|
3056 __ lduh(G4_scratch, in_bytes(ConstMethod::size_of_parameters_offset()), G4_scratch); |
0 | 3057 __ load_receiver(G4_scratch, O0); |
3058 | |
3059 // receiver NULL check | |
3060 __ null_check(O0); | |
3061 | |
3062 __ profile_final_call(O4); | |
3063 | |
3064 // get return address | |
727 | 3065 AddressLiteral table(Interpreter::return_3_addrs_by_index_table()); |
3066 __ set(table, Rtemp); | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3067 __ srl(Rret, ConstantPoolCacheEntry::tos_state_shift, Rret); // get return type |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3068 // Make sure we don't need to mask Rret after the above shift |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3069 ConstantPoolCacheEntry::verify_tos_state_shift(); |
0 | 3070 __ sll(Rret, LogBytesPerWord, Rret); |
3071 __ ld_ptr(Rtemp, Rret, Rret); // get return address | |
3072 | |
3073 | |
3074 // do the call | |
3075 __ call_from_interpreter(Rscratch, Gargs, Rret); | |
3076 } | |
3077 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3078 |
0 | 3079 void TemplateTable::invokespecial(int byte_no) { |
3080 transition(vtos, vtos); | |
1565 | 3081 assert(byte_no == f1_byte, "use this argument"); |
0 | 3082 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3083 const Register Rret = Lscratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3084 const Register O0_recv = O0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3085 const Register Rscratch = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3086 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3087 prepare_invoke(byte_no, G5_method, Rret, noreg, O0_recv); // get receiver also for null check |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3088 __ null_check(O0_recv); |
0 | 3089 |
3090 // do the call | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3091 __ profile_call(O4); |
0 | 3092 __ call_from_interpreter(Rscratch, Gargs, Rret); |
3093 } | |
3094 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3095 |
0 | 3096 void TemplateTable::invokestatic(int byte_no) { |
3097 transition(vtos, vtos); | |
1565 | 3098 assert(byte_no == f1_byte, "use this argument"); |
0 | 3099 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3100 const Register Rret = Lscratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3101 const Register Rscratch = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3102 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3103 prepare_invoke(byte_no, G5_method, Rret); // get f1 Method* |
0 | 3104 |
3105 // do the call | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3106 __ profile_call(O4); |
0 | 3107 __ call_from_interpreter(Rscratch, Gargs, Rret); |
3108 } | |
3109 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3110 void TemplateTable::invokeinterface_object_method(Register RKlass, |
0 | 3111 Register Rcall, |
3112 Register Rret, | |
3113 Register Rflags) { | |
3114 Register Rscratch = G4_scratch; | |
3115 Register Rindex = Lscratch; | |
3116 | |
3117 assert_different_registers(Rscratch, Rindex, Rret); | |
3118 | |
3119 Label notFinal; | |
3120 | |
3121 // Check for vfinal | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3122 __ set((1 << ConstantPoolCacheEntry::is_vfinal_shift), Rscratch); |
0 | 3123 __ btst(Rflags, Rscratch); |
3124 __ br(Assembler::zero, false, Assembler::pt, notFinal); | |
3125 __ delayed()->nop(); | |
3126 | |
3127 __ profile_final_call(O4); | |
3128 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3129 // do the call - the index (f2) contains the Method* |
0 | 3130 assert_different_registers(G5_method, Gargs, Rcall); |
3131 __ mov(Rindex, G5_method); | |
3132 __ call_from_interpreter(Rcall, Gargs, Rret); | |
3133 __ bind(notFinal); | |
3134 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3135 __ profile_virtual_call(RKlass, O4); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3136 generate_vtable_call(RKlass, Rindex, Rret); |
0 | 3137 } |
3138 | |
3139 | |
3140 void TemplateTable::invokeinterface(int byte_no) { | |
3141 transition(vtos, vtos); | |
1565 | 3142 assert(byte_no == f1_byte, "use this argument"); |
0 | 3143 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3144 const Register Rinterface = G1_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3145 const Register Rret = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3146 const Register Rindex = Lscratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3147 const Register O0_recv = O0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3148 const Register O1_flags = O1; |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3149 const Register O2_Klass = O2; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3150 const Register Rscratch = G4_scratch; |
0 | 3151 assert_different_registers(Rscratch, G5_method); |
3152 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3153 prepare_invoke(byte_no, Rinterface, Rret, Rindex, O0_recv, O1_flags); |
0 | 3154 |
3155 // get receiver klass | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3156 __ null_check(O0_recv, oopDesc::klass_offset_in_bytes()); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3157 __ load_klass(O0_recv, O2_Klass); |
0 | 3158 |
3159 // Special case of invokeinterface called for virtual method of | |
3160 // java.lang.Object. See cpCacheOop.cpp for details. | |
3161 // This code isn't produced by javac, but could be produced by | |
3162 // another compliant java compiler. | |
3163 Label notMethod; | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3164 __ set((1 << ConstantPoolCacheEntry::is_forced_virtual_shift), Rscratch); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3165 __ btst(O1_flags, Rscratch); |
0 | 3166 __ br(Assembler::zero, false, Assembler::pt, notMethod); |
3167 __ delayed()->nop(); | |
3168 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3169 invokeinterface_object_method(O2_Klass, Rinterface, Rret, O1_flags); |
0 | 3170 |
3171 __ bind(notMethod); | |
3172 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3173 __ profile_virtual_call(O2_Klass, O4); |
0 | 3174 |
3175 // | |
3176 // find entry point to call | |
3177 // | |
3178 | |
3179 // compute start of first itableOffsetEntry (which is at end of vtable) | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3180 const int base = InstanceKlass::vtable_start_offset() * wordSize; |
0 | 3181 Label search; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3182 Register Rtemp = O1_flags; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3183 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3184 __ ld(O2_Klass, InstanceKlass::vtable_length_offset() * wordSize, Rtemp); |
0 | 3185 if (align_object_offset(1) > 1) { |
3186 __ round_to(Rtemp, align_object_offset(1)); | |
3187 } | |
3188 __ sll(Rtemp, LogBytesPerWord, Rtemp); // Rscratch *= 4; | |
3189 if (Assembler::is_simm13(base)) { | |
3190 __ add(Rtemp, base, Rtemp); | |
3191 } else { | |
3192 __ set(base, Rscratch); | |
3193 __ add(Rscratch, Rtemp, Rtemp); | |
3194 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3195 __ add(O2_Klass, Rtemp, Rscratch); |
0 | 3196 |
3197 __ bind(search); | |
3198 | |
3199 __ ld_ptr(Rscratch, itableOffsetEntry::interface_offset_in_bytes(), Rtemp); | |
3200 { | |
3201 Label ok; | |
3202 | |
3203 // Check that entry is non-null. Null entries are probably a bytecode | |
605 | 3204 // problem. If the interface isn't implemented by the receiver class, |
0 | 3205 // the VM should throw IncompatibleClassChangeError. linkResolver checks |
3206 // this too but that's only if the entry isn't already resolved, so we | |
3207 // need to check again. | |
3839 | 3208 __ br_notnull_short( Rtemp, Assembler::pt, ok); |
0 | 3209 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError)); |
3210 __ should_not_reach_here(); | |
3211 __ bind(ok); | |
3212 } | |
3213 | |
3214 __ cmp(Rinterface, Rtemp); | |
3215 __ brx(Assembler::notEqual, true, Assembler::pn, search); | |
3216 __ delayed()->add(Rscratch, itableOffsetEntry::size() * wordSize, Rscratch); | |
3217 | |
3218 // entry found and Rscratch points to it | |
3219 __ ld(Rscratch, itableOffsetEntry::offset_offset_in_bytes(), Rscratch); | |
3220 | |
3221 assert(itableMethodEntry::method_offset_in_bytes() == 0, "adjust instruction below"); | |
3222 __ sll(Rindex, exact_log2(itableMethodEntry::size() * wordSize), Rindex); // Rindex *= 8; | |
3223 __ add(Rscratch, Rindex, Rscratch); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3224 __ ld_ptr(O2_Klass, Rscratch, G5_method); |
0 | 3225 |
3226 // Check for abstract method error. | |
3227 { | |
3228 Label ok; | |
3839 | 3229 __ br_notnull_short(G5_method, Assembler::pt, ok); |
0 | 3230 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError)); |
3231 __ should_not_reach_here(); | |
3232 __ bind(ok); | |
3233 } | |
3234 | |
3235 Register Rcall = Rinterface; | |
3236 assert_different_registers(Rcall, G5_method, Gargs, Rret); | |
3237 | |
10458 | 3238 #ifdef GRAAL |
3239 __ profile_called_method(G5_method, Rscratch); | |
3240 #endif | |
3241 | |
0 | 3242 __ call_from_interpreter(Rcall, Gargs, Rret); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3243 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3244 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3245 void TemplateTable::invokehandle(int byte_no) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3246 transition(vtos, vtos); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3247 assert(byte_no == f1_byte, "use this argument"); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3248 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3249 if (!EnableInvokeDynamic) { |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3250 // rewriter does not generate this bytecode |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3251 __ should_not_reach_here(); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3252 return; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3253 } |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3254 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3255 const Register Rret = Lscratch; |
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
3256 const Register G4_mtype = G4_scratch; |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3257 const Register O0_recv = O0; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3258 const Register Rscratch = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3259 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3260 prepare_invoke(byte_no, G5_method, Rret, G4_mtype, O0_recv); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3261 __ null_check(O0_recv); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3262 |
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
3263 // G4: MethodType object (from cpool->resolved_references[f1], if necessary) |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
3264 // G5: MH.invokeExact_MT method (from f2) |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3265 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3266 // Note: G4_mtype is already pushed (if necessary) by prepare_invoke |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3267 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3268 // do the call |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3269 __ verify_oop(G4_mtype); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3270 __ profile_final_call(O4); // FIXME: profile the LambdaForm also |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3271 __ call_from_interpreter(Rscratch, Gargs, Rret); |
0 | 3272 } |
3273 | |
3274 | |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3275 void TemplateTable::invokedynamic(int byte_no) { |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3276 transition(vtos, vtos); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3277 assert(byte_no == f1_byte, "use this argument"); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3278 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3279 if (!EnableInvokeDynamic) { |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3280 // We should not encounter this bytecode if !EnableInvokeDynamic. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3281 // The verifier will stop it. However, if we get past the verifier, |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3282 // this will stop the thread in a reasonable way, without crashing the JVM. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3283 __ call_VM(noreg, CAST_FROM_FN_PTR(address, |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3284 InterpreterRuntime::throw_IncompatibleClassChangeError)); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3285 // the call_VM checks for exception, so we should never return here. |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3286 __ should_not_reach_here(); |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3287 return; |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3288 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3289 |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3290 const Register Rret = Lscratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3291 const Register G4_callsite = G4_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3292 const Register Rscratch = G3_scratch; |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3293 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3294 prepare_invoke(byte_no, G5_method, Rret, G4_callsite); |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3295 |
6822
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
3296 // G4: CallSite object (from cpool->resolved_references[f1]) |
f6b0eb4e44cf
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
6740
diff
changeset
|
3297 // G5: MH.linkToCallSite method (from f2) |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3298 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3299 // Note: G4_callsite is already pushed by prepare_invoke |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3300 |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3301 // %%% should make a type profile for any invokedynamic that takes a ref argument |
1503 | 3302 // profile this call |
3303 __ profile_call(O4); | |
3304 | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3305 // do the call |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3306 __ verify_oop(G4_callsite); |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
4771
diff
changeset
|
3307 __ call_from_interpreter(Rscratch, Gargs, Rret); |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3308 } |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3309 |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
605
diff
changeset
|
3310 |
0 | 3311 //---------------------------------------------------------------------------------------------------- |
3312 // Allocation | |
3313 | |
3314 void TemplateTable::_new() { | |
3315 transition(vtos, atos); | |
3316 | |
3317 Label slow_case; | |
3318 Label done; | |
3319 Label initialize_header; | |
3320 Label initialize_object; // including clearing the fields | |
3321 | |
3322 Register RallocatedObject = Otos_i; | |
3323 Register RinstanceKlass = O1; | |
3324 Register Roffset = O3; | |
3325 Register Rscratch = O4; | |
3326 | |
3327 __ get_2_byte_integer_at_bcp(1, Rscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3328 __ get_cpool_and_tags(Rscratch, G3_scratch); | |
3329 // make sure the class we're about to instantiate has been resolved | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3330 // This is done before loading InstanceKlass to be consistent with the order |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3331 // how Constant Pool is updated (see ConstantPool::klass_at_put) |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3332 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
0 | 3333 __ ldub(G3_scratch, Roffset, G3_scratch); |
3334 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3335 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); | |
3336 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3337 // get InstanceKlass |
0 | 3338 //__ sll(Roffset, LogBytesPerWord, Roffset); // executed in delay slot |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3339 __ add(Roffset, sizeof(ConstantPool), Roffset); |
0 | 3340 __ ld_ptr(Rscratch, Roffset, RinstanceKlass); |
3341 | |
3342 // make sure klass is fully initialized: | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3343 __ ldub(RinstanceKlass, in_bytes(InstanceKlass::init_state_offset()), G3_scratch); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3344 __ cmp(G3_scratch, InstanceKlass::fully_initialized); |
0 | 3345 __ br(Assembler::notEqual, false, Assembler::pn, slow_case); |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
3346 __ delayed()->ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
0 | 3347 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3348 // get instance_size in InstanceKlass (already aligned) |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
3349 //__ ld(RinstanceKlass, in_bytes(Klass::layout_helper_offset()), Roffset); |
0 | 3350 |
3351 // make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class | |
3352 __ btst(Klass::_lh_instance_slow_path_bit, Roffset); | |
3353 __ br(Assembler::notZero, false, Assembler::pn, slow_case); | |
3354 __ delayed()->nop(); | |
3355 | |
3356 // allocate the instance | |
3357 // 1) Try to allocate in the TLAB | |
3358 // 2) if fail, and the TLAB is not full enough to discard, allocate in the shared Eden | |
3359 // 3) if the above fails (or is not applicable), go to a slow case | |
3360 // (creates a new TLAB, etc.) | |
3361 | |
3362 const bool allow_shared_alloc = | |
3363 Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode; | |
3364 | |
3365 if(UseTLAB) { | |
3366 Register RoldTopValue = RallocatedObject; | |
3892 | 3367 Register RtlabWasteLimitValue = G3_scratch; |
0 | 3368 Register RnewTopValue = G1_scratch; |
3369 Register RendValue = Rscratch; | |
3370 Register RfreeValue = RnewTopValue; | |
3371 | |
3372 // check if we can allocate in the TLAB | |
3373 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_top_offset()), RoldTopValue); // sets up RalocatedObject | |
3374 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_end_offset()), RendValue); | |
3375 __ add(RoldTopValue, Roffset, RnewTopValue); | |
3376 | |
3377 // if there is enough space, we do not CAS and do not clear | |
3378 __ cmp(RnewTopValue, RendValue); | |
3379 if(ZeroTLAB) { | |
3380 // the fields have already been cleared | |
3381 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_header); | |
3382 } else { | |
3383 // initialize both the header and fields | |
3384 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); | |
3385 } | |
3386 __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | |
3387 | |
3388 if (allow_shared_alloc) { | |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3389 // Check if tlab should be discarded (refill_waste_limit >= free) |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3390 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3391 __ sub(RendValue, RoldTopValue, RfreeValue); |
0 | 3392 #ifdef _LP64 |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3393 __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
0 | 3394 #else |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3395 __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
0 | 3396 #endif |
3839 | 3397 __ cmp_and_brx_short(RtlabWasteLimitValue, RfreeValue, Assembler::greaterEqualUnsigned, Assembler::pt, slow_case); // tlab waste is small |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3398 |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3399 // increment waste limit to prevent getting stuck on this slow path |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3400 __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3401 __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
0 | 3402 } else { |
3403 // No allocation in the shared eden. | |
3839 | 3404 __ ba_short(slow_case); |
0 | 3405 } |
3406 } | |
3407 | |
3408 // Allocation in the shared Eden | |
3409 if (allow_shared_alloc) { | |
3410 Register RoldTopValue = G1_scratch; | |
3411 Register RtopAddr = G3_scratch; | |
3412 Register RnewTopValue = RallocatedObject; | |
3413 Register RendValue = Rscratch; | |
3414 | |
3415 __ set((intptr_t)Universe::heap()->top_addr(), RtopAddr); | |
3416 | |
3417 Label retry; | |
3418 __ bind(retry); | |
3419 __ set((intptr_t)Universe::heap()->end_addr(), RendValue); | |
3420 __ ld_ptr(RendValue, 0, RendValue); | |
3421 __ ld_ptr(RtopAddr, 0, RoldTopValue); | |
3422 __ add(RoldTopValue, Roffset, RnewTopValue); | |
3423 | |
3424 // RnewTopValue contains the top address after the new object | |
3425 // has been allocated. | |
3839 | 3426 __ cmp_and_brx_short(RnewTopValue, RendValue, Assembler::greaterUnsigned, Assembler::pn, slow_case); |
0 | 3427 |
3428 __ casx_under_lock(RtopAddr, RoldTopValue, RnewTopValue, | |
3429 VM_Version::v9_instructions_work() ? NULL : | |
3430 (address)StubRoutines::Sparc::atomic_memory_operation_lock_addr()); | |
3431 | |
3432 // if someone beat us on the allocation, try again, otherwise continue | |
3839 | 3433 __ cmp_and_brx_short(RoldTopValue, RnewTopValue, Assembler::notEqual, Assembler::pn, retry); |
2100
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3434 |
b1a2afa37ec4
7003271: Hotspot should track cumulative Java heap bytes allocated on a per-thread basis
phh
parents:
1972
diff
changeset
|
3435 // bump total bytes allocated by this thread |
2127
5577848f5923
7011463: Sparc MacroAssembler::incr_allocated_bytes() needs a RegisterOrConstant argument
phh
parents:
2100
diff
changeset
|
3436 // RoldTopValue and RtopAddr are dead, so can use G1 and G3 |
5577848f5923
7011463: Sparc MacroAssembler::incr_allocated_bytes() needs a RegisterOrConstant argument
phh
parents:
2100
diff
changeset
|
3437 __ incr_allocated_bytes(Roffset, G1_scratch, G3_scratch); |
0 | 3438 } |
3439 | |
3440 if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { | |
3441 // clear object fields | |
3442 __ bind(initialize_object); | |
3443 __ deccc(Roffset, sizeof(oopDesc)); | |
3444 __ br(Assembler::zero, false, Assembler::pt, initialize_header); | |
3445 __ delayed()->add(RallocatedObject, sizeof(oopDesc), G3_scratch); | |
3446 | |
3447 // initialize remaining object fields | |
3892 | 3448 if (UseBlockZeroing) { |
3449 // Use BIS for zeroing | |
3450 __ bis_zeroing(G3_scratch, Roffset, G1_scratch, initialize_header); | |
3451 } else { | |
3452 Label loop; | |
0 | 3453 __ subcc(Roffset, wordSize, Roffset); |
3454 __ bind(loop); | |
3455 //__ subcc(Roffset, wordSize, Roffset); // executed above loop or in delay slot | |
3456 __ st_ptr(G0, G3_scratch, Roffset); | |
3457 __ br(Assembler::notEqual, false, Assembler::pt, loop); | |
3458 __ delayed()->subcc(Roffset, wordSize, Roffset); | |
3459 } | |
3839 | 3460 __ ba_short(initialize_header); |
0 | 3461 } |
3462 | |
3463 // slow case | |
3464 __ bind(slow_case); | |
3465 __ get_2_byte_integer_at_bcp(1, G3_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
3466 __ get_constant_pool(O1); | |
3467 | |
3468 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), O1, O2); | |
3469 | |
3839 | 3470 __ ba_short(done); |
0 | 3471 |
3472 // Initialize the header: mark, klass | |
3473 __ bind(initialize_header); | |
3474 | |
3475 if (UseBiasedLocking) { | |
4762
069ab3f976d3
7118863: Move sizeof(klassOopDesc) into the *Klass::*_offset_in_bytes() functions
stefank
parents:
3892
diff
changeset
|
3476 __ ld_ptr(RinstanceKlass, in_bytes(Klass::prototype_header_offset()), G4_scratch); |
0 | 3477 } else { |
3478 __ set((intptr_t)markOopDesc::prototype(), G4_scratch); | |
3479 } | |
3480 __ st_ptr(G4_scratch, RallocatedObject, oopDesc::mark_offset_in_bytes()); // mark | |
167
feeb96a45707
6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
coleenp
parents:
113
diff
changeset
|
3481 __ store_klass_gap(G0, RallocatedObject); // klass gap if compressed |
feeb96a45707
6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
coleenp
parents:
113
diff
changeset
|
3482 __ store_klass(RinstanceKlass, RallocatedObject); // klass (last for cms) |
0 | 3483 |
3484 { | |
3485 SkipIfEqual skip_if( | |
3486 _masm, G4_scratch, &DTraceAllocProbes, Assembler::zero); | |
3487 // Trigger dtrace event | |
3488 __ push(atos); | |
3489 __ call_VM_leaf(noreg, | |
3490 CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc), O0); | |
3491 __ pop(atos); | |
3492 } | |
3493 | |
3494 // continue | |
3495 __ bind(done); | |
3496 } | |
3497 | |
3498 | |
3499 | |
3500 void TemplateTable::newarray() { | |
3501 transition(itos, atos); | |
3502 __ ldub(Lbcp, 1, O1); | |
3503 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), O1, Otos_i); | |
3504 } | |
3505 | |
3506 | |
3507 void TemplateTable::anewarray() { | |
3508 transition(itos, atos); | |
3509 __ get_constant_pool(O1); | |
3510 __ get_2_byte_integer_at_bcp(1, G4_scratch, O2, InterpreterMacroAssembler::Unsigned); | |
3511 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), O1, O2, Otos_i); | |
3512 } | |
3513 | |
3514 | |
3515 void TemplateTable::arraylength() { | |
3516 transition(atos, itos); | |
3517 Label ok; | |
3518 __ verify_oop(Otos_i); | |
3519 __ tst(Otos_i); | |
3520 __ throw_if_not_1_x( Assembler::notZero, ok ); | |
3521 __ delayed()->ld(Otos_i, arrayOopDesc::length_offset_in_bytes(), Otos_i); | |
3522 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
3523 } | |
3524 | |
3525 | |
3526 void TemplateTable::checkcast() { | |
3527 transition(atos, atos); | |
3528 Label done, is_null, quicked, cast_ok, resolved; | |
3529 Register Roffset = G1_scratch; | |
3530 Register RobjKlass = O5; | |
3531 Register RspecifiedKlass = O4; | |
3532 | |
3533 // Check for casting a NULL | |
10458 | 3534 __ br_null(Otos_i, false, Assembler::pn, is_null); |
3535 __ delayed()->nop(); | |
0 | 3536 |
3537 // Get value klass in RobjKlass | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3538 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3539 |
3540 // Get constant pool tag | |
3541 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3542 | |
3543 // See if the checkcast has been quickened | |
3544 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3545 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
0 | 3546 __ ldub(G3_scratch, Roffset, G3_scratch); |
3547 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3548 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
3549 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
3550 | |
3551 __ push_ptr(); // save receiver for result, and for GC | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3552 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3553 __ get_vm_result_2(RspecifiedKlass); |
0 | 3554 __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
3555 | |
3839 | 3556 __ ba_short(resolved); |
0 | 3557 |
3558 // Extract target class from constant pool | |
3559 __ bind(quicked); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3560 __ add(Roffset, sizeof(ConstantPool), Roffset); |
0 | 3561 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); |
3562 __ bind(resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3563 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3564 |
3565 // Generate a fast subtype check. Branch to cast_ok if no | |
3566 // failure. Throw exception if failure. | |
3567 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, cast_ok ); | |
3568 | |
3569 // Not a subtype; so must throw exception | |
3570 __ throw_if_not_x( Assembler::never, Interpreter::_throw_ClassCastException_entry, G3_scratch ); | |
3571 | |
3572 __ bind(cast_ok); | |
3573 | |
3574 if (ProfileInterpreter) { | |
3839 | 3575 __ ba_short(done); |
0 | 3576 } |
3577 __ bind(is_null); | |
3578 __ profile_null_seen(G3_scratch); | |
3579 __ bind(done); | |
3580 } | |
3581 | |
3582 | |
3583 void TemplateTable::instanceof() { | |
3584 Label done, is_null, quicked, resolved; | |
3585 transition(atos, itos); | |
3586 Register Roffset = G1_scratch; | |
3587 Register RobjKlass = O5; | |
3588 Register RspecifiedKlass = O4; | |
3589 | |
3590 // Check for casting a NULL | |
10458 | 3591 __ br_null(Otos_i, false, Assembler::pt, is_null); |
3592 __ delayed()->nop(); | |
0 | 3593 |
3594 // Get value klass in RobjKlass | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3595 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3596 |
3597 // Get constant pool tag | |
3598 __ get_2_byte_integer_at_bcp(1, Lscratch, Roffset, InterpreterMacroAssembler::Unsigned); | |
3599 | |
3600 // See if the checkcast has been quickened | |
3601 __ get_cpool_and_tags(Lscratch, G3_scratch); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3602 __ add(G3_scratch, Array<u1>::base_offset_in_bytes(), G3_scratch); |
0 | 3603 __ ldub(G3_scratch, Roffset, G3_scratch); |
3604 __ cmp(G3_scratch, JVM_CONSTANT_Class); | |
3605 __ br(Assembler::equal, true, Assembler::pt, quicked); | |
3606 __ delayed()->sll(Roffset, LogBytesPerWord, Roffset); | |
3607 | |
3608 __ push_ptr(); // save receiver for result, and for GC | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3609 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc) ); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3610 __ get_vm_result_2(RspecifiedKlass); |
0 | 3611 __ pop_ptr(Otos_i, G3_scratch); // restore receiver |
3612 | |
3839 | 3613 __ ba_short(resolved); |
0 | 3614 |
3615 // Extract target class from constant pool | |
3616 __ bind(quicked); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6266
diff
changeset
|
3617 __ add(Roffset, sizeof(ConstantPool), Roffset); |
0 | 3618 __ get_constant_pool(Lscratch); |
3619 __ ld_ptr(Lscratch, Roffset, RspecifiedKlass); | |
3620 __ bind(resolved); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
3621 __ load_klass(Otos_i, RobjKlass); // get value klass |
0 | 3622 |
3623 // Generate a fast subtype check. Branch to cast_ok if no | |
3624 // failure. Return 0 if failure. | |
3625 __ or3(G0, 1, Otos_i); // set result assuming quick tests succeed | |
3626 __ gen_subtype_check( RobjKlass, RspecifiedKlass, G3_scratch, G4_scratch, G1_scratch, done ); | |
3627 // Not a subtype; return 0; | |
3628 __ clr( Otos_i ); | |
3629 | |
3630 if (ProfileInterpreter) { | |
3839 | 3631 __ ba_short(done); |
0 | 3632 } |
3633 __ bind(is_null); | |
3634 __ profile_null_seen(G3_scratch); | |
3635 __ bind(done); | |
3636 } | |
3637 | |
3638 void TemplateTable::_breakpoint() { | |
3639 | |
3640 // Note: We get here even if we are single stepping.. | |
3641 // jbug inists on setting breakpoints at every bytecode | |
3642 // even if we are in single step mode. | |
3643 | |
3644 transition(vtos, vtos); | |
3645 // get the unpatched byte code | |
3646 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), Lmethod, Lbcp); | |
3647 __ mov(O0, Lbyte_code); | |
3648 | |
3649 // post the breakpoint event | |
3650 __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), Lmethod, Lbcp); | |
3651 | |
3652 // complete the execution of original bytecode | |
3653 __ dispatch_normal(vtos); | |
3654 } | |
3655 | |
3656 | |
3657 //---------------------------------------------------------------------------------------------------- | |
3658 // Exceptions | |
3659 | |
3660 void TemplateTable::athrow() { | |
3661 transition(atos, vtos); | |
3662 | |
3663 // This works because exception is cached in Otos_i which is same as O0, | |
3664 // which is same as what throw_exception_entry_expects | |
3665 assert(Otos_i == Oexception, "see explanation above"); | |
3666 | |
3667 __ verify_oop(Otos_i); | |
3668 __ null_check(Otos_i); | |
3669 __ throw_if_not_x(Assembler::never, Interpreter::throw_exception_entry(), G3_scratch); | |
3670 } | |
3671 | |
3672 | |
3673 //---------------------------------------------------------------------------------------------------- | |
3674 // Synchronization | |
3675 | |
3676 | |
3677 // See frame_sparc.hpp for monitor block layout. | |
3678 // Monitor elements are dynamically allocated by growing stack as needed. | |
3679 | |
3680 void TemplateTable::monitorenter() { | |
3681 transition(atos, vtos); | |
3682 __ verify_oop(Otos_i); | |
3683 // Try to acquire a lock on the object | |
3684 // Repeat until succeeded (i.e., until | |
3685 // monitorenter returns true). | |
3686 | |
3687 { Label ok; | |
3688 __ tst(Otos_i); | |
3689 __ throw_if_not_1_x( Assembler::notZero, ok); | |
3690 __ delayed()->mov(Otos_i, Lscratch); // save obj | |
3691 __ throw_if_not_2( Interpreter::_throw_NullPointerException_entry, G3_scratch, ok); | |
3692 } | |
3693 | |
3694 assert(O0 == Otos_i, "Be sure where the object to lock is"); | |
3695 | |
3696 // find a free slot in the monitor block | |
3697 | |
3698 | |
3699 // initialize entry pointer | |
3700 __ clr(O1); // points to free slot or NULL | |
3701 | |
3702 { | |
3703 Label entry, loop, exit; | |
3704 __ add( __ top_most_monitor(), O2 ); // last one to check | |
3839 | 3705 __ ba( entry ); |
0 | 3706 __ delayed()->mov( Lmonitors, O3 ); // first one to check |
3707 | |
3708 | |
3709 __ bind( loop ); | |
3710 | |
3711 __ verify_oop(O4); // verify each monitor's oop | |
3712 __ tst(O4); // is this entry unused? | |
3713 if (VM_Version::v9_instructions_work()) | |
3714 __ movcc( Assembler::zero, false, Assembler::ptr_cc, O3, O1); | |
3715 else { | |
3716 Label L; | |
3717 __ br( Assembler::zero, true, Assembler::pn, L ); | |
3718 __ delayed()->mov(O3, O1); // rememeber this one if match | |
3719 __ bind(L); | |
3720 } | |
3721 | |
3722 __ cmp(O4, O0); // check if current entry is for same object | |
3723 __ brx( Assembler::equal, false, Assembler::pn, exit ); | |
3724 __ delayed()->inc( O3, frame::interpreter_frame_monitor_size() * wordSize ); // check next one | |
3725 | |
3726 __ bind( entry ); | |
3727 | |
3728 __ cmp( O3, O2 ); | |
3729 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
3730 __ delayed()->ld_ptr(O3, BasicObjectLock::obj_offset_in_bytes(), O4); | |
3731 | |
3732 __ bind( exit ); | |
3733 } | |
3734 | |
3735 { Label allocated; | |
3736 | |
3737 // found free slot? | |
3839 | 3738 __ br_notnull_short(O1, Assembler::pn, allocated); |
0 | 3739 |
3740 __ add_monitor_to_stack( false, O2, O3 ); | |
3741 __ mov(Lmonitors, O1); | |
3742 | |
3743 __ bind(allocated); | |
3744 } | |
3745 | |
3746 // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly. | |
3747 // The object has already been poped from the stack, so the expression stack looks correct. | |
3748 __ inc(Lbcp); | |
3749 | |
3750 __ st_ptr(O0, O1, BasicObjectLock::obj_offset_in_bytes()); // store object | |
3751 __ lock_object(O1, O0); | |
3752 | |
3753 // check if there's enough space on the stack for the monitors after locking | |
3754 __ generate_stack_overflow_check(0); | |
3755 | |
3756 // The bcp has already been incremented. Just need to dispatch to next instruction. | |
3757 __ dispatch_next(vtos); | |
3758 } | |
3759 | |
3760 | |
3761 void TemplateTable::monitorexit() { | |
3762 transition(atos, vtos); | |
3763 __ verify_oop(Otos_i); | |
3764 __ tst(Otos_i); | |
3765 __ throw_if_not_x( Assembler::notZero, Interpreter::_throw_NullPointerException_entry, G3_scratch ); | |
3766 | |
3767 assert(O0 == Otos_i, "just checking"); | |
3768 | |
3769 { Label entry, loop, found; | |
3770 __ add( __ top_most_monitor(), O2 ); // last one to check | |
3839 | 3771 __ ba(entry); |
0 | 3772 // use Lscratch to hold monitor elem to check, start with most recent monitor, |
3773 // By using a local it survives the call to the C routine. | |
3774 __ delayed()->mov( Lmonitors, Lscratch ); | |
3775 | |
3776 __ bind( loop ); | |
3777 | |
3778 __ verify_oop(O4); // verify each monitor's oop | |
3779 __ cmp(O4, O0); // check if current entry is for desired object | |
3780 __ brx( Assembler::equal, true, Assembler::pt, found ); | |
3781 __ delayed()->mov(Lscratch, O1); // pass found entry as argument to monitorexit | |
3782 | |
3783 __ inc( Lscratch, frame::interpreter_frame_monitor_size() * wordSize ); // advance to next | |
3784 | |
3785 __ bind( entry ); | |
3786 | |
3787 __ cmp( Lscratch, O2 ); | |
3788 __ brx( Assembler::lessEqualUnsigned, true, Assembler::pt, loop ); | |
3789 __ delayed()->ld_ptr(Lscratch, BasicObjectLock::obj_offset_in_bytes(), O4); | |
3790 | |
3791 call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception)); | |
3792 __ should_not_reach_here(); | |
3793 | |
3794 __ bind(found); | |
3795 } | |
3796 __ unlock_object(O1); | |
3797 } | |
3798 | |
3799 | |
3800 //---------------------------------------------------------------------------------------------------- | |
3801 // Wide instructions | |
3802 | |
3803 void TemplateTable::wide() { | |
3804 transition(vtos, vtos); | |
3805 __ ldub(Lbcp, 1, G3_scratch);// get next bc | |
3806 __ sll(G3_scratch, LogBytesPerWord, G3_scratch); | |
727 | 3807 AddressLiteral ep(Interpreter::_wentry_point); |
3808 __ set(ep, G4_scratch); | |
3809 __ ld_ptr(G4_scratch, G3_scratch, G3_scratch); | |
0 | 3810 __ jmp(G3_scratch, G0); |
3811 __ delayed()->nop(); | |
3812 // Note: the Lbcp increment step is part of the individual wide bytecode implementations | |
3813 } | |
3814 | |
3815 | |
3816 //---------------------------------------------------------------------------------------------------- | |
3817 // Multi arrays | |
3818 | |
3819 void TemplateTable::multianewarray() { | |
3820 transition(vtos, atos); | |
3821 // put ndims * wordSize into Lscratch | |
3822 __ ldub( Lbcp, 3, Lscratch); | |
1506 | 3823 __ sll( Lscratch, Interpreter::logStackElementSize, Lscratch); |
0 | 3824 // Lesp points past last_dim, so set to O1 to first_dim address |
3825 __ add( Lesp, Lscratch, O1); | |
3826 call_VM(Otos_i, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), O1); | |
3827 __ add( Lesp, Lscratch, Lesp); // pop all dimensions off the stack | |
3828 } | |
3829 #endif /* !CC_INTERP */ |