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Issue 2683203002: Revert of [compiler] Pass deoptimization_kind through DeoptimizeParameters and FlagsContinuation (Closed)
Patch Set: Created 3 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/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/address-map.h" 7 #include "src/address-map.h"
8 #include "src/base/adapters.h" 8 #include "src/base/adapters.h"
9 #include "src/compilation-info.h" 9 #include "src/compilation-info.h"
10 #include "src/compiler/code-generator-impl.h" 10 #include "src/compiler/code-generator-impl.h"
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189 for (OutOfLineCode* ool = ools_; ool; ool = ool->next()) { 189 for (OutOfLineCode* ool = ools_; ool; ool = ool->next()) {
190 masm()->bind(ool->entry()); 190 masm()->bind(ool->entry());
191 ool->Generate(); 191 ool->Generate();
192 if (ool->exit()->is_bound()) masm()->jmp(ool->exit()); 192 if (ool->exit()->is_bound()) masm()->jmp(ool->exit());
193 } 193 }
194 } 194 }
195 195
196 // Assemble all eager deoptimization exits. 196 // Assemble all eager deoptimization exits.
197 for (DeoptimizationExit* exit : deoptimization_exits_) { 197 for (DeoptimizationExit* exit : deoptimization_exits_) {
198 masm()->bind(exit->label()); 198 masm()->bind(exit->label());
199 AssembleDeoptimizerCall(exit->deoptimization_id(), exit->pos()); 199 AssembleDeoptimizerCall(exit->deoptimization_id(), Deoptimizer::EAGER,
200 exit->pos());
200 } 201 }
201 202
202 // Ensure there is space for lazy deoptimization in the code. 203 // Ensure there is space for lazy deoptimization in the code.
203 if (info->ShouldEnsureSpaceForLazyDeopt()) { 204 if (info->ShouldEnsureSpaceForLazyDeopt()) {
204 int target_offset = masm()->pc_offset() + Deoptimizer::patch_size(); 205 int target_offset = masm()->pc_offset() + Deoptimizer::patch_size();
205 while (masm()->pc_offset() < target_offset) { 206 while (masm()->pc_offset() < target_offset) {
206 masm()->nop(); 207 masm()->nop();
207 } 208 }
208 } 209 }
209 210
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664 return result; 665 return result;
665 } 666 }
666 667
667 DeoptimizationEntry const& CodeGenerator::GetDeoptimizationEntry( 668 DeoptimizationEntry const& CodeGenerator::GetDeoptimizationEntry(
668 Instruction* instr, size_t frame_state_offset) { 669 Instruction* instr, size_t frame_state_offset) {
669 InstructionOperandConverter i(this, instr); 670 InstructionOperandConverter i(this, instr);
670 int const state_id = i.InputInt32(frame_state_offset); 671 int const state_id = i.InputInt32(frame_state_offset);
671 return code()->GetDeoptimizationEntry(state_id); 672 return code()->GetDeoptimizationEntry(state_id);
672 } 673 }
673 674
674 DeoptimizeKind CodeGenerator::GetDeoptimizationKind(
675 int deoptimization_id) const {
676 size_t const index = static_cast<size_t>(deoptimization_id);
677 DCHECK_LT(index, deoptimization_states_.size());
678 return deoptimization_states_[index]->kind();
679 }
680
681 DeoptimizeReason CodeGenerator::GetDeoptimizationReason( 675 DeoptimizeReason CodeGenerator::GetDeoptimizationReason(
682 int deoptimization_id) const { 676 int deoptimization_id) const {
683 size_t const index = static_cast<size_t>(deoptimization_id); 677 size_t const index = static_cast<size_t>(deoptimization_id);
684 DCHECK_LT(index, deoptimization_states_.size()); 678 DCHECK_LT(index, deoptimization_states_.size());
685 return deoptimization_states_[index]->reason(); 679 return deoptimization_states_[index]->reason();
686 } 680 }
687 681
688 void CodeGenerator::TranslateStateValueDescriptor( 682 void CodeGenerator::TranslateStateValueDescriptor(
689 StateValueDescriptor* desc, StateValueList* nested, 683 StateValueDescriptor* desc, StateValueList* nested,
690 Translation* translation, InstructionOperandIterator* iter) { 684 Translation* translation, InstructionOperandIterator* iter) {
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835 Translation translation( 829 Translation translation(
836 &translations_, static_cast<int>(descriptor->GetFrameCount()), 830 &translations_, static_cast<int>(descriptor->GetFrameCount()),
837 static_cast<int>(descriptor->GetJSFrameCount()), zone()); 831 static_cast<int>(descriptor->GetJSFrameCount()), zone());
838 InstructionOperandIterator iter(instr, frame_state_offset); 832 InstructionOperandIterator iter(instr, frame_state_offset);
839 BuildTranslationForFrameStateDescriptor(descriptor, &iter, &translation, 833 BuildTranslationForFrameStateDescriptor(descriptor, &iter, &translation,
840 state_combine); 834 state_combine);
841 835
842 int deoptimization_id = static_cast<int>(deoptimization_states_.size()); 836 int deoptimization_id = static_cast<int>(deoptimization_states_.size());
843 837
844 deoptimization_states_.push_back(new (zone()) DeoptimizationState( 838 deoptimization_states_.push_back(new (zone()) DeoptimizationState(
845 descriptor->bailout_id(), translation.index(), pc_offset, entry.kind(), 839 descriptor->bailout_id(), translation.index(), pc_offset,
846 entry.reason())); 840 entry.reason()));
847 841
848 return deoptimization_id; 842 return deoptimization_id;
849 } 843 }
850 844
851 845
852 void CodeGenerator::AddTranslationForOperand(Translation* translation, 846 void CodeGenerator::AddTranslationForOperand(Translation* translation,
853 Instruction* instr, 847 Instruction* instr,
854 InstructionOperand* op, 848 InstructionOperand* op,
855 MachineType type) { 849 MachineType type) {
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991 : frame_(gen->frame()), masm_(gen->masm()), next_(gen->ools_) { 985 : frame_(gen->frame()), masm_(gen->masm()), next_(gen->ools_) {
992 gen->ools_ = this; 986 gen->ools_ = this;
993 } 987 }
994 988
995 989
996 OutOfLineCode::~OutOfLineCode() {} 990 OutOfLineCode::~OutOfLineCode() {}
997 991
998 } // namespace compiler 992 } // namespace compiler
999 } // namespace internal 993 } // namespace internal
1000 } // namespace v8 994 } // namespace v8
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