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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 // 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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2282 | 2282 |
2283 class LChunkBuilder; | 2283 class LChunkBuilder; |
2284 class LChunk: public ZoneObject { | 2284 class LChunk: public ZoneObject { |
2285 public: | 2285 public: |
2286 LChunk(CompilationInfo* info, HGraph* graph) | 2286 LChunk(CompilationInfo* info, HGraph* graph) |
2287 : spill_slot_count_(0), | 2287 : spill_slot_count_(0), |
2288 info_(info), | 2288 info_(info), |
2289 graph_(graph), | 2289 graph_(graph), |
2290 instructions_(32), | 2290 instructions_(32), |
2291 pointer_maps_(8), | 2291 pointer_maps_(8), |
2292 num_double_slots_(0), | |
2293 inlined_closures_(1) { } | 2292 inlined_closures_(1) { } |
2294 | 2293 |
2295 void AddInstruction(LInstruction* instruction, HBasicBlock* block); | 2294 void AddInstruction(LInstruction* instruction, HBasicBlock* block); |
2296 LConstantOperand* DefineConstantOperand(HConstant* constant); | 2295 LConstantOperand* DefineConstantOperand(HConstant* constant); |
2297 Handle<Object> LookupLiteral(LConstantOperand* operand) const; | 2296 Handle<Object> LookupLiteral(LConstantOperand* operand) const; |
2298 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; | 2297 Representation LookupLiteralRepresentation(LConstantOperand* operand) const; |
2299 | 2298 |
2300 int GetNextSpillIndex(bool is_double); | 2299 int GetNextSpillIndex(bool is_double); |
2301 LOperand* GetNextSpillSlot(bool is_double); | 2300 LOperand* GetNextSpillSlot(bool is_double); |
2302 | 2301 |
2303 int ParameterAt(int index); | 2302 int ParameterAt(int index); |
2304 int GetParameterStackSlot(int index) const; | 2303 int GetParameterStackSlot(int index) const; |
2305 int spill_slot_count() const { return spill_slot_count_; } | 2304 int spill_slot_count() const { return spill_slot_count_; } |
2306 int num_double_slots() const { return num_double_slots_; } | |
2307 | |
2308 CompilationInfo* info() const { return info_; } | 2305 CompilationInfo* info() const { return info_; } |
2309 HGraph* graph() const { return graph_; } | 2306 HGraph* graph() const { return graph_; } |
2310 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } | 2307 const ZoneList<LInstruction*>* instructions() const { return &instructions_; } |
2311 void AddGapMove(int index, LOperand* from, LOperand* to); | 2308 void AddGapMove(int index, LOperand* from, LOperand* to); |
2312 LGap* GetGapAt(int index) const; | 2309 LGap* GetGapAt(int index) const; |
2313 bool IsGapAt(int index) const; | 2310 bool IsGapAt(int index) const; |
2314 int NearestGapPos(int index) const; | 2311 int NearestGapPos(int index) const; |
2315 void MarkEmptyBlocks(); | 2312 void MarkEmptyBlocks(); |
2316 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } | 2313 const ZoneList<LPointerMap*>* pointer_maps() const { return &pointer_maps_; } |
2317 LLabel* GetLabel(int block_id) const { | 2314 LLabel* GetLabel(int block_id) const { |
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2339 void AddInlinedClosure(Handle<JSFunction> closure) { | 2336 void AddInlinedClosure(Handle<JSFunction> closure) { |
2340 inlined_closures_.Add(closure); | 2337 inlined_closures_.Add(closure); |
2341 } | 2338 } |
2342 | 2339 |
2343 private: | 2340 private: |
2344 int spill_slot_count_; | 2341 int spill_slot_count_; |
2345 CompilationInfo* info_; | 2342 CompilationInfo* info_; |
2346 HGraph* const graph_; | 2343 HGraph* const graph_; |
2347 ZoneList<LInstruction*> instructions_; | 2344 ZoneList<LInstruction*> instructions_; |
2348 ZoneList<LPointerMap*> pointer_maps_; | 2345 ZoneList<LPointerMap*> pointer_maps_; |
2349 int num_double_slots_; | |
2350 ZoneList<Handle<JSFunction> > inlined_closures_; | 2346 ZoneList<Handle<JSFunction> > inlined_closures_; |
2351 }; | 2347 }; |
2352 | 2348 |
2353 | 2349 |
2354 class LChunkBuilder BASE_EMBEDDED { | 2350 class LChunkBuilder BASE_EMBEDDED { |
2355 public: | 2351 public: |
2356 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) | 2352 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) |
2357 : chunk_(NULL), | 2353 : chunk_(NULL), |
2358 info_(info), | 2354 info_(info), |
2359 graph_(graph), | 2355 graph_(graph), |
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2509 | 2505 |
2510 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2506 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2511 }; | 2507 }; |
2512 | 2508 |
2513 #undef DECLARE_HYDROGEN_ACCESSOR | 2509 #undef DECLARE_HYDROGEN_ACCESSOR |
2514 #undef DECLARE_CONCRETE_INSTRUCTION | 2510 #undef DECLARE_CONCRETE_INSTRUCTION |
2515 | 2511 |
2516 } } // namespace v8::internal | 2512 } } // namespace v8::internal |
2517 | 2513 |
2518 #endif // V8_IA32_LITHIUM_IA32_H_ | 2514 #endif // V8_IA32_LITHIUM_IA32_H_ |
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