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Issue 919953002: CPUProfiler: Push deopt reason further to ProfileNode. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: unnecessary changes were removed Created 5 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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775 // restore caller doubles. 775 // restore caller doubles.
776 if (cc == no_condition && frame_is_built_ && 776 if (cc == no_condition && frame_is_built_ &&
777 !info()->saves_caller_doubles()) { 777 !info()->saves_caller_doubles()) {
778 DeoptComment(deopt_info); 778 DeoptComment(deopt_info);
779 __ call(entry, RelocInfo::RUNTIME_ENTRY); 779 __ call(entry, RelocInfo::RUNTIME_ENTRY);
780 } else { 780 } else {
781 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type, 781 Deoptimizer::JumpTableEntry table_entry(entry, deopt_info, bailout_type,
782 !frame_is_built_); 782 !frame_is_built_);
783 // We often have several deopts to the same entry, reuse the last 783 // We often have several deopts to the same entry, reuse the last
784 // jump entry if this is the case. 784 // jump entry if this is the case.
785 if (jump_table_.is_empty() || 785 if (FLAG_trace_deopt || isolate()->cpu_profiler()->is_profiling() ||
786 jump_table_.is_empty() ||
786 !table_entry.IsEquivalentTo(jump_table_.last())) { 787 !table_entry.IsEquivalentTo(jump_table_.last())) {
787 jump_table_.Add(table_entry, zone()); 788 jump_table_.Add(table_entry, zone());
788 } 789 }
789 if (cc == no_condition) { 790 if (cc == no_condition) {
790 __ jmp(&jump_table_.last().label); 791 __ jmp(&jump_table_.last().label);
791 } else { 792 } else {
792 __ j(cc, &jump_table_.last().label); 793 __ j(cc, &jump_table_.last().label);
793 } 794 }
794 } 795 }
795 } 796 }
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5930 CallRuntime(Runtime::kPushBlockContext, 2, instr); 5931 CallRuntime(Runtime::kPushBlockContext, 2, instr);
5931 RecordSafepoint(Safepoint::kNoLazyDeopt); 5932 RecordSafepoint(Safepoint::kNoLazyDeopt);
5932 } 5933 }
5933 5934
5934 5935
5935 #undef __ 5936 #undef __
5936 5937
5937 } } // namespace v8::internal 5938 } } // namespace v8::internal
5938 5939
5939 #endif // V8_TARGET_ARCH_X64 5940 #endif // V8_TARGET_ARCH_X64
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