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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 int spill_slot_count() const { return spill_slot_count_; } | 641 bool HasAllocatedStackSlots() const { |
| 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_; } |
642 CompilationInfo* info() const { return info_; } | 648 CompilationInfo* info() const { return info_; } |
643 HGraph* graph() const { return graph_; } | 649 HGraph* graph() const { return graph_; } |
644 Isolate* isolate() const { return graph_->isolate(); } | 650 Isolate* isolate() const { return graph_->isolate(); } |
645 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } | 651 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } |
646 void AddGapMove(int index, LOperand* from, LOperand* to); | 652 void AddGapMove(int index, LOperand* from, LOperand* to); |
647 LGap* GetGapAt(int index) const; | 653 LGap* GetGapAt(int index) const; |
648 bool IsGapAt(int index) const; | 654 bool IsGapAt(int index) const; |
649 int NearestGapPos(int index) const; | 655 int NearestGapPos(int index) const; |
650 void MarkEmptyBlocks(); | 656 void MarkEmptyBlocks(); |
651 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } | 657 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } |
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680 Handle<Code> Codegen(); | 686 Handle<Code> Codegen(); |
681 | 687 |
682 void set_allocated_double_registers(BitVector* allocated_registers); | 688 void set_allocated_double_registers(BitVector* allocated_registers); |
683 BitVector* allocated_double_registers() { | 689 BitVector* allocated_double_registers() { |
684 return allocated_double_registers_; | 690 return allocated_double_registers_; |
685 } | 691 } |
686 | 692 |
687 protected: | 693 protected: |
688 LChunk(CompilationInfo* info, HGraph* graph); | 694 LChunk(CompilationInfo* info, HGraph* graph); |
689 | 695 |
690 int spill_slot_count_; | 696 int base_frame_slots_; |
| 697 int current_frame_slots_; |
691 | 698 |
692 private: | 699 private: |
693 void CommitDependencies(Handle<Code> code) const; | 700 void CommitDependencies(Handle<Code> code) const; |
694 | 701 |
695 CompilationInfo* info_; | 702 CompilationInfo* info_; |
696 HGraph* const graph_; | 703 HGraph* const graph_; |
697 BitVector* allocated_double_registers_; | 704 BitVector* allocated_double_registers_; |
698 ZoneList<LInstruction*> instructions_; | 705 ZoneList<LInstruction*> instructions_; |
699 ZoneList<LPointerMap*> pointer_maps_; | 706 ZoneList<LPointerMap*> pointer_maps_; |
700 ZoneList<Handle<SharedFunctionInfo>> inlined_functions_; | 707 ZoneList<Handle<SharedFunctionInfo>> inlined_functions_; |
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750 LPlatformChunk* chunk_; | 757 LPlatformChunk* chunk_; |
751 CompilationInfo* info_; | 758 CompilationInfo* info_; |
752 HGraph* const graph_; | 759 HGraph* const graph_; |
753 Status status_; | 760 Status status_; |
754 | 761 |
755 private: | 762 private: |
756 Zone* zone_; | 763 Zone* zone_; |
757 }; | 764 }; |
758 | 765 |
759 | 766 |
760 int StackSlotOffset(int index); | |
761 | |
762 enum NumberUntagDMode { | 767 enum NumberUntagDMode { |
763 NUMBER_CANDIDATE_IS_SMI, | 768 NUMBER_CANDIDATE_IS_SMI, |
764 NUMBER_CANDIDATE_IS_ANY_TAGGED | 769 NUMBER_CANDIDATE_IS_ANY_TAGGED |
765 }; | 770 }; |
766 | 771 |
767 | 772 |
768 class LPhase : public CompilationPhase { | 773 class LPhase : public CompilationPhase { |
769 public: | 774 public: |
770 LPhase(const char* name, LChunk* chunk) | 775 LPhase(const char* name, LChunk* chunk) |
771 : CompilationPhase(name, chunk->info()), | 776 : CompilationPhase(name, chunk->info()), |
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831 InputIterator input_iterator_; | 836 InputIterator input_iterator_; |
832 DeepIterator env_iterator_; | 837 DeepIterator env_iterator_; |
833 }; | 838 }; |
834 | 839 |
835 class LInstruction; | 840 class LInstruction; |
836 class LCodeGen; | 841 class LCodeGen; |
837 } // namespace internal | 842 } // namespace internal |
838 } // namespace v8 | 843 } // namespace v8 |
839 | 844 |
840 #endif // V8_CRANKSHAFT_LITHIUM_H_ | 845 #endif // V8_CRANKSHAFT_LITHIUM_H_ |
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