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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 // 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 #ifndef V8_CRANKSHAFT_LITHIUM_H_ | 5 #ifndef V8_CRANKSHAFT_LITHIUM_H_ |
6 #define V8_CRANKSHAFT_LITHIUM_H_ | 6 #define V8_CRANKSHAFT_LITHIUM_H_ |
7 | 7 |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "src/allocation.h" | 10 #include "src/allocation.h" |
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631 public: | 631 public: |
632 static LChunk* NewChunk(HGraph* graph); | 632 static LChunk* NewChunk(HGraph* graph); |
633 | 633 |
634 void AddInstruction(LInstruction* instruction, HBasicBlock* block); | 634 void AddInstruction(LInstruction* instruction, HBasicBlock* block); |
635 LConstantOperand* DefineConstantOperand(HConstant* constant); | 635 LConstantOperand* DefineConstantOperand(HConstant* constant); |
636 HConstant* LookupConstant(LConstantOperand* operand) const; | 636 HConstant* LookupConstant(LConstantOperand* operand) const; |
637 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; | 637 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; |
638 | 638 |
639 int ParameterAt(int index); | 639 int ParameterAt(int index); |
640 int GetParameterStackSlot(int index) const; | 640 int GetParameterStackSlot(int index) const; |
641 bool HasAllocatedStackSlots() const { | 641 int spill_slot_count() const { return spill_slot_count_; } |
642 return current_frame_slots_ != base_frame_slots_; | |
643 } | |
644 int GetSpillSlotCount() const { | |
645 return current_frame_slots_ - base_frame_slots_; | |
646 } | |
647 int GetTotalFrameSlotCount() const { return current_frame_slots_; } | |
648 CompilationInfo* info() const { return info_; } | 642 CompilationInfo* info() const { return info_; } |
649 HGraph* graph() const { return graph_; } | 643 HGraph* graph() const { return graph_; } |
650 Isolate* isolate() const { return graph_->isolate(); } | 644 Isolate* isolate() const { return graph_->isolate(); } |
651 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } | 645 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } |
652 void AddGapMove(int index, LOperand* from, LOperand* to); | 646 void AddGapMove(int index, LOperand* from, LOperand* to); |
653 LGap* GetGapAt(int index) const; | 647 LGap* GetGapAt(int index) const; |
654 bool IsGapAt(int index) const; | 648 bool IsGapAt(int index) const; |
655 int NearestGapPos(int index) const; | 649 int NearestGapPos(int index) const; |
656 void MarkEmptyBlocks(); | 650 void MarkEmptyBlocks(); |
657 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } | 651 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } |
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686 Handle<Code> Codegen(); | 680 Handle<Code> Codegen(); |
687 | 681 |
688 void set_allocated_double_registers(BitVector* allocated_registers); | 682 void set_allocated_double_registers(BitVector* allocated_registers); |
689 BitVector* allocated_double_registers() { | 683 BitVector* allocated_double_registers() { |
690 return allocated_double_registers_; | 684 return allocated_double_registers_; |
691 } | 685 } |
692 | 686 |
693 protected: | 687 protected: |
694 LChunk(CompilationInfo* info, HGraph* graph); | 688 LChunk(CompilationInfo* info, HGraph* graph); |
695 | 689 |
696 int base_frame_slots_; | 690 int spill_slot_count_; |
697 int current_frame_slots_; | |
698 | 691 |
699 private: | 692 private: |
700 void CommitDependencies(Handle<Code> code) const; | 693 void CommitDependencies(Handle<Code> code) const; |
701 | 694 |
702 CompilationInfo* info_; | 695 CompilationInfo* info_; |
703 HGraph* const graph_; | 696 HGraph* const graph_; |
704 BitVector* allocated_double_registers_; | 697 BitVector* allocated_double_registers_; |
705 ZoneList<LInstruction*> instructions_; | 698 ZoneList<LInstruction*> instructions_; |
706 ZoneList<LPointerMap*> pointer_maps_; | 699 ZoneList<LPointerMap*> pointer_maps_; |
707 ZoneList<Handle<SharedFunctionInfo>> inlined_functions_; | 700 ZoneList<Handle<SharedFunctionInfo>> inlined_functions_; |
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757 LPlatformChunk* chunk_; | 750 LPlatformChunk* chunk_; |
758 CompilationInfo* info_; | 751 CompilationInfo* info_; |
759 HGraph* const graph_; | 752 HGraph* const graph_; |
760 Status status_; | 753 Status status_; |
761 | 754 |
762 private: | 755 private: |
763 Zone* zone_; | 756 Zone* zone_; |
764 }; | 757 }; |
765 | 758 |
766 | 759 |
| 760 int StackSlotOffset(int index); |
| 761 |
767 enum NumberUntagDMode { | 762 enum NumberUntagDMode { |
768 NUMBER_CANDIDATE_IS_SMI, | 763 NUMBER_CANDIDATE_IS_SMI, |
769 NUMBER_CANDIDATE_IS_ANY_TAGGED | 764 NUMBER_CANDIDATE_IS_ANY_TAGGED |
770 }; | 765 }; |
771 | 766 |
772 | 767 |
773 class LPhase : public CompilationPhase { | 768 class LPhase : public CompilationPhase { |
774 public: | 769 public: |
775 LPhase(const char* name, LChunk* chunk) | 770 LPhase(const char* name, LChunk* chunk) |
776 : CompilationPhase(name, chunk->info()), | 771 : CompilationPhase(name, chunk->info()), |
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836 InputIterator input_iterator_; | 831 InputIterator input_iterator_; |
837 DeepIterator env_iterator_; | 832 DeepIterator env_iterator_; |
838 }; | 833 }; |
839 | 834 |
840 class LInstruction; | 835 class LInstruction; |
841 class LCodeGen; | 836 class LCodeGen; |
842 } // namespace internal | 837 } // namespace internal |
843 } // namespace v8 | 838 } // namespace v8 |
844 | 839 |
845 #endif // V8_CRANKSHAFT_LITHIUM_H_ | 840 #endif // V8_CRANKSHAFT_LITHIUM_H_ |
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