Mercurial > hg > truffle
annotate src/share/vm/opto/bytecodeInfo.cpp @ 3366:e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
Reviewed-by: jrose, never, kvn
| author | twisti |
|---|---|
| date | Tue, 10 May 2011 00:45:03 -0700 |
| parents | bad7ecd0b6ed |
| children | 393e144bb99b |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
1972
diff
changeset
|
2 * Copyright (c) 1998, 2011, 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:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
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:
1507
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
28 #include "compiler/compileBroker.hpp" |
| 1972 | 29 #include "compiler/compileLog.hpp" |
| 30 #include "interpreter/linkResolver.hpp" | |
| 31 #include "oops/objArrayKlass.hpp" | |
| 32 #include "opto/callGenerator.hpp" | |
| 33 #include "opto/parse.hpp" | |
| 34 #include "runtime/handles.inline.hpp" | |
| 0 | 35 |
| 36 //============================================================================= | |
| 37 //------------------------------InlineTree------------------------------------- | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
38 InlineTree::InlineTree( Compile* c, |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
39 const InlineTree *caller_tree, ciMethod* callee, |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
40 JVMState* caller_jvms, int caller_bci, |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
41 float site_invoke_ratio, int site_depth_adjust) |
| 0 | 42 : C(c), _caller_jvms(caller_jvms), |
| 43 _caller_tree((InlineTree*)caller_tree), | |
| 44 _method(callee), _site_invoke_ratio(site_invoke_ratio), | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
45 _site_depth_adjust(site_depth_adjust), |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
46 _count_inline_bcs(method()->code_size()) |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
47 { |
| 0 | 48 NOT_PRODUCT(_count_inlines = 0;) |
| 49 if (_caller_jvms != NULL) { | |
| 50 // Keep a private copy of the caller_jvms: | |
| 51 _caller_jvms = new (C) JVMState(caller_jvms->method(), caller_tree->caller_jvms()); | |
| 52 _caller_jvms->set_bci(caller_jvms->bci()); | |
|
900
9987d9d5eb0e
6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
cfang
parents:
726
diff
changeset
|
53 assert(!caller_jvms->should_reexecute(), "there should be no reexecute bytecode with inlining"); |
| 0 | 54 } |
| 55 assert(_caller_jvms->same_calls_as(caller_jvms), "consistent JVMS"); | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
56 assert((caller_tree == NULL ? 0 : caller_tree->stack_depth() + 1) == stack_depth(), "correct (redundant) depth parameter"); |
| 0 | 57 assert(caller_bci == this->caller_bci(), "correct (redundant) bci parameter"); |
| 58 if (UseOldInlining) { | |
| 59 // Update hierarchical counts, count_inline_bcs() and count_inlines() | |
| 60 InlineTree *caller = (InlineTree *)caller_tree; | |
| 61 for( ; caller != NULL; caller = ((InlineTree *)(caller->caller_tree())) ) { | |
| 62 caller->_count_inline_bcs += count_inline_bcs(); | |
| 63 NOT_PRODUCT(caller->_count_inlines++;) | |
| 64 } | |
| 65 } | |
| 66 } | |
| 67 | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
68 InlineTree::InlineTree(Compile* c, ciMethod* callee_method, JVMState* caller_jvms, |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
69 float site_invoke_ratio, int site_depth_adjust) |
| 0 | 70 : C(c), _caller_jvms(caller_jvms), _caller_tree(NULL), |
| 71 _method(callee_method), _site_invoke_ratio(site_invoke_ratio), | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
72 _site_depth_adjust(site_depth_adjust), |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
73 _count_inline_bcs(method()->code_size()) |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
74 { |
| 0 | 75 NOT_PRODUCT(_count_inlines = 0;) |
| 76 assert(!UseOldInlining, "do not use for old stuff"); | |
| 77 } | |
| 78 | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
79 static bool is_init_with_ea(ciMethod* callee_method, |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
80 ciMethod* caller_method, Compile* C) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
81 // True when EA is ON and a java constructor is called or |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
82 // a super constructor is called from an inlined java constructor. |
| 244 | 83 return C->do_escape_analysis() && EliminateAllocations && |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
84 ( callee_method->is_initializer() || |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
85 (caller_method->is_initializer() && |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
86 caller_method != C->method() && |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
87 caller_method->holder()->is_subclass_of(callee_method->holder())) |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
88 ); |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
89 } |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
90 |
| 0 | 91 // positive filter: should send be inlined? returns NULL, if yes, or rejection msg |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
92 const char* InlineTree::should_inline(ciMethod* callee_method, ciMethod* caller_method, int caller_bci, ciCallProfile& profile, WarmCallInfo* wci_result) const { |
| 0 | 93 // Allows targeted inlining |
| 94 if(callee_method->should_inline()) { | |
| 95 *wci_result = *(WarmCallInfo::always_hot()); | |
| 96 if (PrintInlining && Verbose) { | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
97 CompileTask::print_inline_indent(inline_depth()); |
| 0 | 98 tty->print_cr("Inlined method is hot: "); |
| 99 } | |
| 100 return NULL; | |
| 101 } | |
| 102 | |
| 103 // positive filter: should send be inlined? returns NULL (--> yes) | |
| 104 // or rejection msg | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
105 int size = callee_method->code_size(); |
| 0 | 106 |
| 107 // Check for too many throws (and not too huge) | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
108 if(callee_method->interpreter_throwout_count() > InlineThrowCount && |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
109 size < InlineThrowMaxSize ) { |
| 0 | 110 wci_result->set_profit(wci_result->profit() * 100); |
| 111 if (PrintInlining && Verbose) { | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
112 CompileTask::print_inline_indent(inline_depth()); |
| 0 | 113 tty->print_cr("Inlined method with many throws (throws=%d):", callee_method->interpreter_throwout_count()); |
| 114 } | |
| 115 return NULL; | |
| 116 } | |
| 117 | |
| 118 if (!UseOldInlining) { | |
| 119 return NULL; // size and frequency are represented in a new way | |
| 120 } | |
| 121 | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
122 int default_max_inline_size = C->max_inline_size(); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
123 int inline_small_code_size = InlineSmallCode / 4; |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
124 int max_inline_size = default_max_inline_size; |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
125 |
| 0 | 126 int call_site_count = method()->scale_count(profile.count()); |
| 127 int invoke_count = method()->interpreter_invocation_count(); | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
128 |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
129 // Bytecoded method handle adapters do not have interpreter |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
130 // profiling data but only made up MDO data. Get the counter from |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
131 // there. |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
132 if (caller_method->is_method_handle_adapter()) { |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
133 assert(method()->method_data_or_null(), "must have an MDO"); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
134 ciMethodData* mdo = method()->method_data(); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
135 ciProfileData* mha_profile = mdo->bci_to_data(caller_bci); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
136 assert(mha_profile, "must exist"); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
137 CounterData* cd = mha_profile->as_CounterData(); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
138 invoke_count = cd->count(); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
139 call_site_count = invoke_count; // use the same value |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
140 } |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
141 |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
142 assert(invoke_count != 0, "require invocation count greater than zero"); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
143 int freq = call_site_count / invoke_count; |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
144 |
| 0 | 145 // bump the max size if the call is frequent |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
146 if ((freq >= InlineFrequencyRatio) || |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
147 (call_site_count >= InlineFrequencyCount) || |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
148 is_init_with_ea(callee_method, caller_method, C)) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
149 |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
150 max_inline_size = C->freq_inline_size(); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
151 if (size <= max_inline_size && TraceFrequencyInlining) { |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
152 CompileTask::print_inline_indent(inline_depth()); |
| 0 | 153 tty->print_cr("Inlined frequent method (freq=%d count=%d):", freq, call_site_count); |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
154 CompileTask::print_inline_indent(inline_depth()); |
| 0 | 155 callee_method->print(); |
| 156 tty->cr(); | |
| 157 } | |
| 158 } else { | |
| 159 // Not hot. Check for medium-sized pre-existing nmethod at cold sites. | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
160 if (callee_method->has_compiled_code() && |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
161 callee_method->instructions_size(CompLevel_full_optimization) > inline_small_code_size) |
| 0 | 162 return "already compiled into a medium method"; |
| 163 } | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
164 if (size > max_inline_size) { |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
165 if (max_inline_size > default_max_inline_size) |
| 0 | 166 return "hot method too big"; |
| 167 return "too big"; | |
| 168 } | |
| 169 return NULL; | |
| 170 } | |
| 171 | |
| 172 | |
| 173 // negative filter: should send NOT be inlined? returns NULL, ok to inline, or rejection msg | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
174 const char* InlineTree::should_not_inline(ciMethod *callee_method, ciMethod* caller_method, WarmCallInfo* wci_result) const { |
| 0 | 175 // negative filter: should send NOT be inlined? returns NULL (--> inline) or rejection msg |
| 176 if (!UseOldInlining) { | |
| 177 const char* fail = NULL; | |
| 178 if (callee_method->is_abstract()) fail = "abstract method"; | |
| 179 // note: we allow ik->is_abstract() | |
| 180 if (!callee_method->holder()->is_initialized()) fail = "method holder not initialized"; | |
| 181 if (callee_method->is_native()) fail = "native method"; | |
| 182 | |
| 183 if (fail) { | |
| 184 *wci_result = *(WarmCallInfo::always_cold()); | |
| 185 return fail; | |
| 186 } | |
| 187 | |
| 188 if (callee_method->has_unloaded_classes_in_signature()) { | |
| 189 wci_result->set_profit(wci_result->profit() * 0.1); | |
| 190 } | |
| 191 | |
| 192 // don't inline exception code unless the top method belongs to an | |
| 193 // exception class | |
| 194 if (callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) { | |
| 195 ciMethod* top_method = caller_jvms() ? caller_jvms()->of_depth(1)->method() : method(); | |
| 196 if (!top_method->holder()->is_subclass_of(C->env()->Throwable_klass())) { | |
| 197 wci_result->set_profit(wci_result->profit() * 0.1); | |
| 198 } | |
| 199 } | |
| 200 | |
| 1783 | 201 if (callee_method->has_compiled_code() && callee_method->instructions_size(CompLevel_full_optimization) > InlineSmallCode) { |
| 0 | 202 wci_result->set_profit(wci_result->profit() * 0.1); |
| 203 // %%% adjust wci_result->size()? | |
| 204 } | |
| 205 | |
| 206 return NULL; | |
| 207 } | |
| 208 | |
| 1564 | 209 // Always inline MethodHandle methods and generated MethodHandle adapters. |
| 210 if (callee_method->is_method_handle_invoke() || callee_method->is_method_handle_adapter()) | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1137
diff
changeset
|
211 return NULL; |
|
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1137
diff
changeset
|
212 |
| 0 | 213 // First check all inlining restrictions which are required for correctness |
| 214 if (callee_method->is_abstract()) return "abstract method"; | |
| 215 // note: we allow ik->is_abstract() | |
| 216 if (!callee_method->holder()->is_initialized()) return "method holder not initialized"; | |
| 217 if (callee_method->is_native()) return "native method"; | |
| 218 if (callee_method->has_unloaded_classes_in_signature()) return "unloaded signature classes"; | |
| 219 | |
| 220 if (callee_method->should_inline()) { | |
| 221 // ignore heuristic controls on inlining | |
| 222 return NULL; | |
| 223 } | |
| 224 | |
| 225 // Now perform checks which are heuristic | |
| 226 | |
| 1783 | 227 if( callee_method->has_compiled_code() && callee_method->instructions_size(CompLevel_full_optimization) > InlineSmallCode ) |
| 0 | 228 return "already compiled into a big method"; |
| 229 | |
| 230 // don't inline exception code unless the top method belongs to an | |
| 231 // exception class | |
| 232 if (caller_tree() != NULL && | |
| 233 callee_method->holder()->is_subclass_of(C->env()->Throwable_klass())) { | |
| 234 const InlineTree *top = this; | |
| 235 while (top->caller_tree() != NULL) top = top->caller_tree(); | |
| 236 ciInstanceKlass* k = top->method()->holder(); | |
| 237 if (!k->is_subclass_of(C->env()->Throwable_klass())) | |
| 238 return "exception method"; | |
| 239 } | |
| 240 | |
| 241 // use frequency-based objections only for non-trivial methods | |
| 242 if (callee_method->code_size() <= MaxTrivialSize) return NULL; | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
243 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
244 // don't use counts with -Xcomp or CTW |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
245 if (UseInterpreter && !CompileTheWorld) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
246 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
247 if (!callee_method->has_compiled_code() && |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
248 !callee_method->was_executed_more_than(0)) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
249 return "never executed"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
250 } |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
251 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
252 if (is_init_with_ea(callee_method, caller_method, C)) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
253 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
254 // Escape Analysis: inline all executed constructors |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
255 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
256 } else if (!callee_method->was_executed_more_than(MIN2(MinInliningThreshold, |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
257 CompileThreshold >> 1))) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
258 return "executed < MinInliningThreshold times"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
259 } |
| 0 | 260 } |
| 261 | |
| 262 if (callee_method->should_not_inline()) { | |
| 263 return "disallowed by CompilerOracle"; | |
| 264 } | |
| 265 | |
| 675 | 266 if (UseStringCache) { |
| 267 // Do not inline StringCache::profile() method used only at the beginning. | |
| 268 if (callee_method->name() == ciSymbol::profile_name() && | |
| 269 callee_method->holder()->name() == ciSymbol::java_lang_StringCache()) { | |
| 270 return "profiling method"; | |
| 271 } | |
| 272 } | |
| 273 | |
| 0 | 274 return NULL; |
| 275 } | |
| 276 | |
| 277 //-----------------------------try_to_inline----------------------------------- | |
| 278 // return NULL if ok, reason for not inlining otherwise | |
| 279 // Relocated from "InliningClosure::try_to_inline" | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
280 const char* InlineTree::try_to_inline(ciMethod* callee_method, ciMethod* caller_method, int caller_bci, ciCallProfile& profile, WarmCallInfo* wci_result) { |
| 0 | 281 |
| 282 // Old algorithm had funny accumulating BC-size counters | |
| 283 if (UseOldInlining && ClipInlining | |
| 284 && (int)count_inline_bcs() >= DesiredMethodLimit) { | |
| 285 return "size > DesiredMethodLimit"; | |
| 286 } | |
| 287 | |
| 288 const char *msg = NULL; | |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
289 msg = should_inline(callee_method, caller_method, caller_bci, profile, wci_result); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
290 if (msg != NULL) |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
291 return msg; |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
292 |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
293 msg = should_not_inline(callee_method, caller_method, wci_result); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
294 if (msg != NULL) |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
295 return msg; |
| 0 | 296 |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
297 if (InlineAccessors && callee_method->is_accessor()) { |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
298 // accessor methods are not subject to any of the following limits. |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
299 return NULL; |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
300 } |
| 0 | 301 |
| 302 // suppress a few checks for accessors and trivial methods | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
303 if (callee_method->code_size() > MaxTrivialSize) { |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
304 |
| 0 | 305 // don't inline into giant methods |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
306 if (C->unique() > (uint)NodeCountInliningCutoff) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
307 return "NodeCountInliningCutoff"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
308 } |
| 0 | 309 |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
310 if ((!UseInterpreter || CompileTheWorld) && |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
311 is_init_with_ea(callee_method, caller_method, C)) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
312 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
313 // Escape Analysis stress testing when running Xcomp or CTW: |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
314 // inline constructors even if they are not reached. |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
315 |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
316 } else if (profile.count() == 0) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
317 // don't inline unreached call sites |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
318 return "call site not reached"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
319 } |
| 0 | 320 } |
| 321 | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
322 if (!C->do_inlining() && InlineAccessors) { |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
323 return "not an accessor"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
324 } |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
325 if( inline_depth() > MaxInlineLevel ) { |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
326 return "inlining too deep"; |
|
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
327 } |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
328 |
|
3334
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
329 // detect direct and indirect recursive inlining |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
330 { |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
331 // count the current method and the callee |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
332 int inline_level = (method() == callee_method) ? 1 : 0; |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
333 if (inline_level > MaxRecursiveInlineLevel) |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
334 return "recursively inlining too deep"; |
|
b21ecca7ccc4
6552561: MaxRecursiveInlineLevel flag doesn't operate correctly
twisti
parents:
2405
diff
changeset
|
335 // count callers of current method and callee |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
336 JVMState* jvms = caller_jvms(); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
337 while (jvms != NULL && jvms->has_method()) { |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
338 if (jvms->method() == callee_method) { |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
339 inline_level++; |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
340 if (inline_level > MaxRecursiveInlineLevel) |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
341 return "recursively inlining too deep"; |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
342 } |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
343 jvms = jvms->caller(); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
344 } |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
345 } |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
346 |
| 0 | 347 int size = callee_method->code_size(); |
| 348 | |
| 349 if (UseOldInlining && ClipInlining | |
| 350 && (int)count_inline_bcs() + size >= DesiredMethodLimit) { | |
| 351 return "size > DesiredMethodLimit"; | |
| 352 } | |
| 353 | |
| 354 // ok, inline this method | |
| 355 return NULL; | |
| 356 } | |
| 357 | |
| 358 //------------------------------pass_initial_checks---------------------------- | |
| 359 bool pass_initial_checks(ciMethod* caller_method, int caller_bci, ciMethod* callee_method) { | |
| 360 ciInstanceKlass *callee_holder = callee_method ? callee_method->holder() : NULL; | |
| 361 // Check if a callee_method was suggested | |
| 362 if( callee_method == NULL ) return false; | |
| 363 // Check if klass of callee_method is loaded | |
| 364 if( !callee_holder->is_loaded() ) return false; | |
| 365 if( !callee_holder->is_initialized() ) return false; | |
| 366 if( !UseInterpreter || CompileTheWorld /* running Xcomp or CTW */ ) { | |
| 367 // Checks that constant pool's call site has been visited | |
| 368 // stricter than callee_holder->is_initialized() | |
| 369 ciBytecodeStream iter(caller_method); | |
| 370 iter.force_bci(caller_bci); | |
| 371 Bytecodes::Code call_bc = iter.cur_bc(); | |
|
1137
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
372 // An invokedynamic instruction does not have a klass. |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
373 if (call_bc != Bytecodes::_invokedynamic) { |
| 1565 | 374 int index = iter.get_index_u2_cpcache(); |
|
1137
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
375 if (!caller_method->is_klass_loaded(index, true)) { |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
376 return false; |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
377 } |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
378 // Try to do constant pool resolution if running Xcomp |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
379 if( !caller_method->check_call(index, call_bc == Bytecodes::_invokestatic) ) { |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
380 return false; |
|
97125851f396
6829187: compiler optimizations required for JSR 292
twisti
parents:
903
diff
changeset
|
381 } |
| 0 | 382 } |
| 383 } | |
| 384 // We will attempt to see if a class/field/etc got properly loaded. If it | |
| 385 // did not, it may attempt to throw an exception during our probing. Catch | |
| 386 // and ignore such exceptions and do not attempt to compile the method. | |
| 387 if( callee_method->should_exclude() ) return false; | |
| 388 | |
| 389 return true; | |
| 390 } | |
| 391 | |
| 392 //------------------------------print_inlining--------------------------------- | |
| 393 // Really, the failure_msg can be a success message also. | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
394 void InlineTree::print_inlining(ciMethod* callee_method, int caller_bci, const char* failure_msg) const { |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
395 CompileTask::print_inlining(callee_method, inline_depth(), caller_bci, failure_msg ? failure_msg : "inline"); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
396 if (callee_method == NULL) tty->print(" callee not monotonic or profiled"); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2357
diff
changeset
|
397 if (Verbose && callee_method) { |
| 0 | 398 const InlineTree *top = this; |
| 399 while( top->caller_tree() != NULL ) { top = top->caller_tree(); } | |
| 400 tty->print(" bcs: %d+%d invoked: %d", top->count_inline_bcs(), callee_method->code_size(), callee_method->interpreter_invocation_count()); | |
| 401 } | |
| 402 } | |
| 403 | |
| 404 //------------------------------ok_to_inline----------------------------------- | |
| 405 WarmCallInfo* InlineTree::ok_to_inline(ciMethod* callee_method, JVMState* jvms, ciCallProfile& profile, WarmCallInfo* initial_wci) { | |
| 406 assert(callee_method != NULL, "caller checks for optimized virtual!"); | |
| 407 #ifdef ASSERT | |
| 408 // Make sure the incoming jvms has the same information content as me. | |
| 409 // This means that we can eventually make this whole class AllStatic. | |
| 410 if (jvms->caller() == NULL) { | |
| 411 assert(_caller_jvms == NULL, "redundant instance state"); | |
| 412 } else { | |
| 413 assert(_caller_jvms->same_calls_as(jvms->caller()), "redundant instance state"); | |
| 414 } | |
| 415 assert(_method == jvms->method(), "redundant instance state"); | |
| 416 #endif | |
| 417 const char *failure_msg = NULL; | |
| 418 int caller_bci = jvms->bci(); | |
| 419 ciMethod *caller_method = jvms->method(); | |
| 420 | |
| 421 if( !pass_initial_checks(caller_method, caller_bci, callee_method)) { | |
| 422 if( PrintInlining ) { | |
| 423 failure_msg = "failed_initial_checks"; | |
| 424 print_inlining( callee_method, caller_bci, failure_msg); | |
| 425 } | |
| 426 return NULL; | |
| 427 } | |
| 428 | |
| 429 // Check if inlining policy says no. | |
| 430 WarmCallInfo wci = *(initial_wci); | |
|
41
874b2c4f43d1
6667605: (Escape Analysis) inline java constructors when EA is on
kvn
parents:
0
diff
changeset
|
431 failure_msg = try_to_inline(callee_method, caller_method, caller_bci, profile, &wci); |
| 0 | 432 if (failure_msg != NULL && C->log() != NULL) { |
| 433 C->log()->begin_elem("inline_fail reason='"); | |
| 434 C->log()->text("%s", failure_msg); | |
| 435 C->log()->end_elem("'"); | |
| 436 } | |
| 437 | |
| 438 #ifndef PRODUCT | |
| 439 if (UseOldInlining && InlineWarmCalls | |
| 440 && (PrintOpto || PrintOptoInlining || PrintInlining)) { | |
| 441 bool cold = wci.is_cold(); | |
| 442 bool hot = !cold && wci.is_hot(); | |
| 443 bool old_cold = (failure_msg != NULL); | |
| 444 if (old_cold != cold || (Verbose || WizardMode)) { | |
| 445 tty->print(" OldInlining= %4s : %s\n WCI=", | |
| 446 old_cold ? "cold" : "hot", failure_msg ? failure_msg : "OK"); | |
| 447 wci.print(); | |
| 448 } | |
| 449 } | |
| 450 #endif | |
| 451 if (UseOldInlining) { | |
| 452 if (failure_msg == NULL) | |
| 453 wci = *(WarmCallInfo::always_hot()); | |
| 454 else | |
| 455 wci = *(WarmCallInfo::always_cold()); | |
| 456 } | |
| 457 if (!InlineWarmCalls) { | |
| 458 if (!wci.is_cold() && !wci.is_hot()) { | |
| 459 // Do not inline the warm calls. | |
| 460 wci = *(WarmCallInfo::always_cold()); | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 if (!wci.is_cold()) { | |
| 465 // In -UseOldInlining, the failure_msg may also be a success message. | |
| 466 if (failure_msg == NULL) failure_msg = "inline (hot)"; | |
| 467 | |
| 468 // Inline! | |
| 469 if( PrintInlining ) print_inlining( callee_method, caller_bci, failure_msg); | |
| 470 if (UseOldInlining) | |
| 471 build_inline_tree_for_callee(callee_method, jvms, caller_bci); | |
| 472 if (InlineWarmCalls && !wci.is_hot()) | |
| 473 return new (C) WarmCallInfo(wci); // copy to heap | |
| 474 return WarmCallInfo::always_hot(); | |
| 475 } | |
| 476 | |
| 477 // Do not inline | |
| 478 if (failure_msg == NULL) failure_msg = "too cold to inline"; | |
| 479 if( PrintInlining ) print_inlining( callee_method, caller_bci, failure_msg); | |
| 480 return NULL; | |
| 481 } | |
| 482 | |
| 483 //------------------------------compute_callee_frequency----------------------- | |
| 484 float InlineTree::compute_callee_frequency( int caller_bci ) const { | |
| 485 int count = method()->interpreter_call_site_count(caller_bci); | |
| 486 int invcnt = method()->interpreter_invocation_count(); | |
| 487 float freq = (float)count/(float)invcnt; | |
| 488 // Call-site count / interpreter invocation count, scaled recursively. | |
| 489 // Always between 0.0 and 1.0. Represents the percentage of the method's | |
| 490 // total execution time used at this call site. | |
| 491 | |
| 492 return freq; | |
| 493 } | |
| 494 | |
| 495 //------------------------------build_inline_tree_for_callee------------------- | |
| 496 InlineTree *InlineTree::build_inline_tree_for_callee( ciMethod* callee_method, JVMState* caller_jvms, int caller_bci) { | |
| 497 float recur_frequency = _site_invoke_ratio * compute_callee_frequency(caller_bci); | |
| 498 // Attempt inlining. | |
| 499 InlineTree* old_ilt = callee_at(caller_bci, callee_method); | |
| 500 if (old_ilt != NULL) { | |
| 501 return old_ilt; | |
| 502 } | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
503 int new_depth_adjust = 0; |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
504 if (caller_jvms->method() != NULL) { |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
505 if (caller_jvms->method()->is_method_handle_adapter()) |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
506 new_depth_adjust -= 1; // don't count actions in MH or indy adapter frames |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
507 else if (callee_method->is_method_handle_invoke()) { |
|
2357
8033953d67ff
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
1972
diff
changeset
|
508 new_depth_adjust -= 1; // don't count method handle calls from java.lang.invoke implem |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
509 } |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
510 if (new_depth_adjust != 0 && PrintInlining) { |
|
3366
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
511 CompileTask::print_inline_indent(inline_depth()); |
|
e2a92dd0d3d2
7042122: JSR 292: adjust various inline thresholds for JSR 292 API methods and method handle adapters
twisti
parents:
3345
diff
changeset
|
512 tty->print_cr(" \\-> discounting inline depth"); |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
513 } |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
514 if (new_depth_adjust != 0 && C->log()) { |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
515 int id1 = C->log()->identify(caller_jvms->method()); |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
516 int id2 = C->log()->identify(callee_method); |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
517 C->log()->elem("inline_depth_discount caller='%d' callee='%d'", id1, id2); |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
518 } |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
519 } |
|
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
520 InlineTree *ilt = new InlineTree(C, this, callee_method, caller_jvms, caller_bci, recur_frequency, _site_depth_adjust + new_depth_adjust); |
| 0 | 521 _subtrees.append( ilt ); |
| 522 | |
| 523 NOT_PRODUCT( _count_inlines += 1; ) | |
| 524 | |
| 525 return ilt; | |
| 526 } | |
| 527 | |
| 528 | |
| 529 //---------------------------------------callee_at----------------------------- | |
| 530 InlineTree *InlineTree::callee_at(int bci, ciMethod* callee) const { | |
| 531 for (int i = 0; i < _subtrees.length(); i++) { | |
| 532 InlineTree* sub = _subtrees.at(i); | |
| 533 if (sub->caller_bci() == bci && callee == sub->method()) { | |
| 534 return sub; | |
| 535 } | |
| 536 } | |
| 537 return NULL; | |
| 538 } | |
| 539 | |
| 540 | |
| 541 //------------------------------build_inline_tree_root------------------------- | |
| 542 InlineTree *InlineTree::build_inline_tree_root() { | |
| 543 Compile* C = Compile::current(); | |
| 544 | |
| 545 // Root of inline tree | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1138
diff
changeset
|
546 InlineTree *ilt = new InlineTree(C, NULL, C->method(), NULL, -1, 1.0F, 0); |
| 0 | 547 |
| 548 return ilt; | |
| 549 } | |
| 550 | |
| 551 | |
| 552 //-------------------------find_subtree_from_root----------------------------- | |
| 553 // Given a jvms, which determines a call chain from the root method, | |
| 554 // find the corresponding inline tree. | |
| 555 // Note: This method will be removed or replaced as InlineTree goes away. | |
| 556 InlineTree* InlineTree::find_subtree_from_root(InlineTree* root, JVMState* jvms, ciMethod* callee, bool create_if_not_found) { | |
| 557 InlineTree* iltp = root; | |
| 558 uint depth = jvms && jvms->has_method() ? jvms->depth() : 0; | |
| 559 for (uint d = 1; d <= depth; d++) { | |
| 560 JVMState* jvmsp = jvms->of_depth(d); | |
| 561 // Select the corresponding subtree for this bci. | |
| 562 assert(jvmsp->method() == iltp->method(), "tree still in sync"); | |
| 563 ciMethod* d_callee = (d == depth) ? callee : jvms->of_depth(d+1)->method(); | |
| 564 InlineTree* sub = iltp->callee_at(jvmsp->bci(), d_callee); | |
| 565 if (!sub) { | |
| 566 if (create_if_not_found && d == depth) { | |
| 567 return iltp->build_inline_tree_for_callee(d_callee, jvmsp, jvmsp->bci()); | |
| 568 } | |
| 569 assert(sub != NULL, "should be a sub-ilt here"); | |
| 570 return NULL; | |
| 571 } | |
| 572 iltp = sub; | |
| 573 } | |
| 574 return iltp; | |
| 575 } |