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Issue 148503002: A64: Synchronize with r15545. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include "v8.h" 28 #include "v8.h"
29 29
30 #include "compiler.h" 30 #include "compiler.h"
31 31
32 #include "bootstrapper.h" 32 #include "bootstrapper.h"
33 #include "codegen.h" 33 #include "codegen.h"
34 #include "compilation-cache.h" 34 #include "compilation-cache.h"
35 #include "cpu-profiler.h"
35 #include "debug.h" 36 #include "debug.h"
36 #include "deoptimizer.h" 37 #include "deoptimizer.h"
37 #include "full-codegen.h" 38 #include "full-codegen.h"
38 #include "gdb-jit.h" 39 #include "gdb-jit.h"
39 #include "typing.h" 40 #include "typing.h"
40 #include "hydrogen.h" 41 #include "hydrogen.h"
41 #include "isolate-inl.h" 42 #include "isolate-inl.h"
42 #include "lithium.h" 43 #include "lithium.h"
43 #include "liveedit.h" 44 #include "liveedit.h"
44 #include "parser.h" 45 #include "parser.h"
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450 info_->AbortOptimization(); 451 info_->AbortOptimization();
451 return SetLastStatus(BAILED_OUT); 452 return SetLastStatus(BAILED_OUT);
452 } else { 453 } else {
453 return AbortOptimization(); 454 return AbortOptimization();
454 } 455 }
455 } 456 }
456 457
457 return SetLastStatus(SUCCEEDED); 458 return SetLastStatus(SUCCEEDED);
458 } 459 }
459 460
461
460 OptimizingCompiler::Status OptimizingCompiler::OptimizeGraph() { 462 OptimizingCompiler::Status OptimizingCompiler::OptimizeGraph() {
461 DisallowHeapAllocation no_allocation; 463 DisallowHeapAllocation no_allocation;
462 DisallowHandleAllocation no_handles; 464 DisallowHandleAllocation no_handles;
463 DisallowHandleDereference no_deref; 465 DisallowHandleDereference no_deref;
464 466
465 ASSERT(last_status() == SUCCEEDED); 467 ASSERT(last_status() == SUCCEEDED);
466 Timer t(this, &time_taken_to_optimize_); 468 Timer t(this, &time_taken_to_optimize_);
467 ASSERT(graph_ != NULL); 469 ASSERT(graph_ != NULL);
468 SmartArrayPointer<char> bailout_reason; 470 SmartArrayPointer<char> bailout_reason;
469 if (!graph_->Optimize(&bailout_reason)) { 471 if (!graph_->Optimize(&bailout_reason)) {
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1060 isolate, Logger::TimerEventScope::v8_recompile_synchronous); 1062 isolate, Logger::TimerEventScope::v8_recompile_synchronous);
1061 // If crankshaft succeeded, install the optimized code else install 1063 // If crankshaft succeeded, install the optimized code else install
1062 // the unoptimized code. 1064 // the unoptimized code.
1063 OptimizingCompiler::Status status = optimizing_compiler->last_status(); 1065 OptimizingCompiler::Status status = optimizing_compiler->last_status();
1064 if (info->HasAbortedDueToDependencyChange()) { 1066 if (info->HasAbortedDueToDependencyChange()) {
1065 info->set_bailout_reason("bailed out due to dependent map"); 1067 info->set_bailout_reason("bailed out due to dependent map");
1066 status = optimizing_compiler->AbortOptimization(); 1068 status = optimizing_compiler->AbortOptimization();
1067 } else if (status != OptimizingCompiler::SUCCEEDED) { 1069 } else if (status != OptimizingCompiler::SUCCEEDED) {
1068 info->set_bailout_reason("failed/bailed out last time"); 1070 info->set_bailout_reason("failed/bailed out last time");
1069 status = optimizing_compiler->AbortOptimization(); 1071 status = optimizing_compiler->AbortOptimization();
1072 } else if (isolate->DebuggerHasBreakPoints()) {
1073 info->set_bailout_reason("debugger is active");
1074 status = optimizing_compiler->AbortOptimization();
1070 } else { 1075 } else {
1071 status = optimizing_compiler->GenerateAndInstallCode(); 1076 status = optimizing_compiler->GenerateAndInstallCode();
1072 ASSERT(status == OptimizingCompiler::SUCCEEDED || 1077 ASSERT(status == OptimizingCompiler::SUCCEEDED ||
1073 status == OptimizingCompiler::BAILED_OUT); 1078 status == OptimizingCompiler::BAILED_OUT);
1074 } 1079 }
1075 1080
1076 InstallCodeCommon(*info); 1081 InstallCodeCommon(*info);
1077 if (status == OptimizingCompiler::SUCCEEDED) { 1082 if (status == OptimizingCompiler::SUCCEEDED) {
1078 Handle<Code> code = info->code(); 1083 Handle<Code> code = info->code();
1079 ASSERT(info->shared_info()->scope_info() != ScopeInfo::Empty(isolate)); 1084 ASSERT(info->shared_info()->scope_info() != ScopeInfo::Empty(isolate));
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1197 1202
1198 // Log the code generation. If source information is available include 1203 // Log the code generation. If source information is available include
1199 // script name and line number. Check explicitly whether logging is 1204 // script name and line number. Check explicitly whether logging is
1200 // enabled as finding the line number is not free. 1205 // enabled as finding the line number is not free.
1201 if (info->isolate()->logger()->is_logging_code_events() || 1206 if (info->isolate()->logger()->is_logging_code_events() ||
1202 info->isolate()->cpu_profiler()->is_profiling()) { 1207 info->isolate()->cpu_profiler()->is_profiling()) {
1203 Handle<Script> script = info->script(); 1208 Handle<Script> script = info->script();
1204 Handle<Code> code = info->code(); 1209 Handle<Code> code = info->code();
1205 if (*code == info->isolate()->builtins()->builtin(Builtins::kLazyCompile)) 1210 if (*code == info->isolate()->builtins()->builtin(Builtins::kLazyCompile))
1206 return; 1211 return;
1212 int line_num = GetScriptLineNumber(script, shared->start_position()) + 1;
1213 USE(line_num);
1207 if (script->name()->IsString()) { 1214 if (script->name()->IsString()) {
1208 int line_num = GetScriptLineNumber(script, shared->start_position()) + 1;
1209 USE(line_num);
1210 PROFILE(info->isolate(), 1215 PROFILE(info->isolate(),
1211 CodeCreateEvent(Logger::ToNativeByScript(tag, *script), 1216 CodeCreateEvent(Logger::ToNativeByScript(tag, *script),
1212 *code, 1217 *code,
1213 *shared, 1218 *shared,
1214 info, 1219 info,
1215 String::cast(script->name()), 1220 String::cast(script->name()),
1216 line_num)); 1221 line_num));
1217 } else { 1222 } else {
1218 PROFILE(info->isolate(), 1223 PROFILE(info->isolate(),
1219 CodeCreateEvent(Logger::ToNativeByScript(tag, *script), 1224 CodeCreateEvent(Logger::ToNativeByScript(tag, *script),
1220 *code, 1225 *code,
1221 *shared, 1226 *shared,
1222 info, 1227 info,
1223 shared->DebugName())); 1228 info->isolate()->heap()->empty_string(),
1229 line_num));
1224 } 1230 }
1225 } 1231 }
1226 1232
1227 GDBJIT(AddCode(Handle<String>(shared->DebugName()), 1233 GDBJIT(AddCode(Handle<String>(shared->DebugName()),
1228 Handle<Script>(info->script()), 1234 Handle<Script>(info->script()),
1229 Handle<Code>(info->code()), 1235 Handle<Code>(info->code()),
1230 info)); 1236 info));
1231 } 1237 }
1232 1238
1233 1239
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1251 1257
1252 1258
1253 bool CompilationPhase::ShouldProduceTraceOutput() const { 1259 bool CompilationPhase::ShouldProduceTraceOutput() const {
1254 // Produce trace output if flag is set so that the first letter of the 1260 // Produce trace output if flag is set so that the first letter of the
1255 // phase name matches the command line parameter FLAG_trace_phase. 1261 // phase name matches the command line parameter FLAG_trace_phase.
1256 return (FLAG_trace_hydrogen && 1262 return (FLAG_trace_hydrogen &&
1257 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL); 1263 OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
1258 } 1264 }
1259 1265
1260 } } // namespace v8::internal 1266 } } // namespace v8::internal
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