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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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1835 | 1835 |
1836 class LStackCheck: public LTemplateInstruction<0, 0, 0> { | 1836 class LStackCheck: public LTemplateInstruction<0, 0, 0> { |
1837 public: | 1837 public: |
1838 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") | 1838 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") |
1839 }; | 1839 }; |
1840 | 1840 |
1841 | 1841 |
1842 class LChunkBuilder; | 1842 class LChunkBuilder; |
1843 class LChunk: public ZoneObject { | 1843 class LChunk: public ZoneObject { |
1844 public: | 1844 public: |
1845 explicit LChunk(HGraph* graph) | 1845 explicit LChunk(CompilationInfo* info, HGraph* graph) |
1846 : spill_slot_count_(0), | 1846 : spill_slot_count_(0), |
| 1847 info_(info), |
1847 graph_(graph), | 1848 graph_(graph), |
1848 instructions_(32), | 1849 instructions_(32), |
1849 pointer_maps_(8), | 1850 pointer_maps_(8), |
1850 inlined_closures_(1) { } | 1851 inlined_closures_(1) { } |
1851 | 1852 |
1852 void AddInstruction(LInstruction* instruction, HBasicBlock* block); | 1853 void AddInstruction(LInstruction* instruction, HBasicBlock* block); |
1853 LConstantOperand* DefineConstantOperand(HConstant* constant); | 1854 LConstantOperand* DefineConstantOperand(HConstant* constant); |
1854 Handle<Object> LookupLiteral(LConstantOperand* operand) const; | 1855 Handle<Object> LookupLiteral(LConstantOperand* operand) const; |
1855 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; | 1856 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; |
1856 | 1857 |
1857 int GetNextSpillIndex(bool is_double); | 1858 int GetNextSpillIndex(bool is_double); |
1858 LOperand* GetNextSpillSlot(bool is_double); | 1859 LOperand* GetNextSpillSlot(bool is_double); |
1859 | 1860 |
1860 int ParameterAt(int index); | 1861 int ParameterAt(int index); |
1861 int GetParameterStackSlot(int index) const; | 1862 int GetParameterStackSlot(int index) const; |
1862 int spill_slot_count() const { return spill_slot_count_; } | 1863 int spill_slot_count() const { return spill_slot_count_; } |
| 1864 CompilationInfo* info() const { return info_; } |
1863 HGraph* graph() const { return graph_; } | 1865 HGraph* graph() const { return graph_; } |
1864 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } | 1866 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } |
1865 void AddGapMove(int index, LOperand* from, LOperand* to); | 1867 void AddGapMove(int index, LOperand* from, LOperand* to); |
1866 LGap* GetGapAt(int index) const; | 1868 LGap* GetGapAt(int index) const; |
1867 bool IsGapAt(int index) const; | 1869 bool IsGapAt(int index) const; |
1868 int NearestGapPos(int index) const; | 1870 int NearestGapPos(int index) const; |
1869 void MarkEmptyBlocks(); | 1871 void MarkEmptyBlocks(); |
1870 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } | 1872 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } |
1871 LLabel* GetLabel(int block_id) const { | 1873 LLabel* GetLabel(int block_id) const { |
1872 HBasicBlock* block = graph_->blocks()->at(block_id); | 1874 HBasicBlock* block = graph_->blocks()->at(block_id); |
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1889 const ZoneList<Handle<JSFunction> >* inlined_closures() const { | 1891 const ZoneList<Handle<JSFunction> >* inlined_closures() const { |
1890 return &inlined_closures_; | 1892 return &inlined_closures_; |
1891 } | 1893 } |
1892 | 1894 |
1893 void AddInlinedClosure(Handle<JSFunction> closure) { | 1895 void AddInlinedClosure(Handle<JSFunction> closure) { |
1894 inlined_closures_.Add(closure); | 1896 inlined_closures_.Add(closure); |
1895 } | 1897 } |
1896 | 1898 |
1897 private: | 1899 private: |
1898 int spill_slot_count_; | 1900 int spill_slot_count_; |
| 1901 CompilationInfo* info_; |
1899 HGraph* const graph_; | 1902 HGraph* const graph_; |
1900 ZoneList<LInstruction*> instructions_; | 1903 ZoneList<LInstruction*> instructions_; |
1901 ZoneList<LPointerMap*> pointer_maps_; | 1904 ZoneList<LPointerMap*> pointer_maps_; |
1902 ZoneList<Handle<JSFunction> > inlined_closures_; | 1905 ZoneList<Handle<JSFunction> > inlined_closures_; |
1903 }; | 1906 }; |
1904 | 1907 |
1905 | 1908 |
1906 class LChunkBuilder BASE_EMBEDDED { | 1909 class LChunkBuilder BASE_EMBEDDED { |
1907 public: | 1910 public: |
1908 LChunkBuilder(HGraph* graph, LAllocator* allocator) | 1911 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) |
1909 : chunk_(NULL), | 1912 : chunk_(NULL), |
| 1913 info_(info), |
1910 graph_(graph), | 1914 graph_(graph), |
1911 status_(UNUSED), | 1915 status_(UNUSED), |
1912 current_instruction_(NULL), | 1916 current_instruction_(NULL), |
1913 current_block_(NULL), | 1917 current_block_(NULL), |
1914 next_block_(NULL), | 1918 next_block_(NULL), |
1915 argument_count_(0), | 1919 argument_count_(0), |
1916 allocator_(allocator), | 1920 allocator_(allocator), |
1917 position_(RelocInfo::kNoPosition), | 1921 position_(RelocInfo::kNoPosition), |
1918 instruction_pending_deoptimization_environment_(NULL), | 1922 instruction_pending_deoptimization_environment_(NULL), |
1919 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } | 1923 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } |
1920 | 1924 |
1921 // Build the sequence for the graph. | 1925 // Build the sequence for the graph. |
1922 LChunk* Build(); | 1926 LChunk* Build(); |
1923 | 1927 |
1924 // Declare methods that deal with the individual node types. | 1928 // Declare methods that deal with the individual node types. |
1925 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); | 1929 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); |
1926 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) | 1930 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
1927 #undef DECLARE_DO | 1931 #undef DECLARE_DO |
1928 | 1932 |
1929 private: | 1933 private: |
1930 enum Status { | 1934 enum Status { |
1931 UNUSED, | 1935 UNUSED, |
1932 BUILDING, | 1936 BUILDING, |
1933 DONE, | 1937 DONE, |
1934 ABORTED | 1938 ABORTED |
1935 }; | 1939 }; |
1936 | 1940 |
1937 LChunk* chunk() const { return chunk_; } | 1941 LChunk* chunk() const { return chunk_; } |
| 1942 CompilationInfo* info() const { return info_; } |
1938 HGraph* graph() const { return graph_; } | 1943 HGraph* graph() const { return graph_; } |
1939 | 1944 |
1940 bool is_unused() const { return status_ == UNUSED; } | 1945 bool is_unused() const { return status_ == UNUSED; } |
1941 bool is_building() const { return status_ == BUILDING; } | 1946 bool is_building() const { return status_ == BUILDING; } |
1942 bool is_done() const { return status_ == DONE; } | 1947 bool is_done() const { return status_ == DONE; } |
1943 bool is_aborted() const { return status_ == ABORTED; } | 1948 bool is_aborted() const { return status_ == ABORTED; } |
1944 | 1949 |
1945 void Abort(const char* format, ...); | 1950 void Abort(const char* format, ...); |
1946 | 1951 |
1947 // Methods for getting operands for Use / Define / Temp. | 1952 // Methods for getting operands for Use / Define / Temp. |
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2034 | 2039 |
2035 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); | 2040 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); |
2036 LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr); | 2041 LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr); |
2037 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); | 2042 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); |
2038 LInstruction* DoArithmeticD(Token::Value op, | 2043 LInstruction* DoArithmeticD(Token::Value op, |
2039 HArithmeticBinaryOperation* instr); | 2044 HArithmeticBinaryOperation* instr); |
2040 LInstruction* DoArithmeticT(Token::Value op, | 2045 LInstruction* DoArithmeticT(Token::Value op, |
2041 HArithmeticBinaryOperation* instr); | 2046 HArithmeticBinaryOperation* instr); |
2042 | 2047 |
2043 LChunk* chunk_; | 2048 LChunk* chunk_; |
| 2049 CompilationInfo* info_; |
2044 HGraph* const graph_; | 2050 HGraph* const graph_; |
2045 Status status_; | 2051 Status status_; |
2046 HInstruction* current_instruction_; | 2052 HInstruction* current_instruction_; |
2047 HBasicBlock* current_block_; | 2053 HBasicBlock* current_block_; |
2048 HBasicBlock* next_block_; | 2054 HBasicBlock* next_block_; |
2049 int argument_count_; | 2055 int argument_count_; |
2050 LAllocator* allocator_; | 2056 LAllocator* allocator_; |
2051 int position_; | 2057 int position_; |
2052 LInstruction* instruction_pending_deoptimization_environment_; | 2058 LInstruction* instruction_pending_deoptimization_environment_; |
2053 int pending_deoptimization_ast_id_; | 2059 int pending_deoptimization_ast_id_; |
2054 | 2060 |
2055 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2061 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2056 }; | 2062 }; |
2057 | 2063 |
2058 #undef DECLARE_HYDROGEN_ACCESSOR | 2064 #undef DECLARE_HYDROGEN_ACCESSOR |
2059 #undef DECLARE_INSTRUCTION | 2065 #undef DECLARE_INSTRUCTION |
2060 #undef DECLARE_CONCRETE_INSTRUCTION | 2066 #undef DECLARE_CONCRETE_INSTRUCTION |
2061 | 2067 |
2062 } } // namespace v8::int | 2068 } } // namespace v8::int |
2063 | 2069 |
2064 #endif // V8_X64_LITHIUM_X64_H_ | 2070 #endif // V8_X64_LITHIUM_X64_H_ |
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