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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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2217 } | 2217 } |
2218 | 2218 |
2219 LOperand* object() { return inputs_[0]; } | 2219 LOperand* object() { return inputs_[0]; } |
2220 LOperand* index() { return inputs_[1]; } | 2220 LOperand* index() { return inputs_[1]; } |
2221 | 2221 |
2222 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index") | 2222 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index") |
2223 }; | 2223 }; |
2224 | 2224 |
2225 | 2225 |
2226 class LChunkBuilder; | 2226 class LChunkBuilder; |
2227 class LChunk: public LChunkBase { | 2227 class LPlatformChunk: public LChunk { |
2228 public: | 2228 public: |
2229 explicit LChunk(CompilationInfo* info, HGraph* graph) | 2229 LPlatformChunk(CompilationInfo* info, HGraph* graph) |
2230 : LChunkBase(info, graph) { } | 2230 : LChunk(info, graph) { } |
2231 | 2231 |
2232 int GetNextSpillIndex(bool is_double); | 2232 int GetNextSpillIndex(bool is_double); |
2233 LOperand* GetNextSpillSlot(bool is_double); | 2233 LOperand* GetNextSpillSlot(bool is_double); |
2234 }; | 2234 }; |
2235 | 2235 |
2236 | 2236 |
2237 class LChunkBuilder BASE_EMBEDDED { | 2237 class LChunkBuilder BASE_EMBEDDED { |
2238 public: | 2238 public: |
2239 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) | 2239 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) |
2240 : chunk_(NULL), | 2240 : chunk_(NULL), |
2241 info_(info), | 2241 info_(info), |
2242 graph_(graph), | 2242 graph_(graph), |
2243 zone_(graph->zone()), | 2243 zone_(graph->zone()), |
2244 status_(UNUSED), | 2244 status_(UNUSED), |
2245 current_instruction_(NULL), | 2245 current_instruction_(NULL), |
2246 current_block_(NULL), | 2246 current_block_(NULL), |
2247 next_block_(NULL), | 2247 next_block_(NULL), |
2248 argument_count_(0), | 2248 argument_count_(0), |
2249 allocator_(allocator), | 2249 allocator_(allocator), |
2250 position_(RelocInfo::kNoPosition), | 2250 position_(RelocInfo::kNoPosition), |
2251 instruction_pending_deoptimization_environment_(NULL), | 2251 instruction_pending_deoptimization_environment_(NULL), |
2252 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } | 2252 pending_deoptimization_ast_id_(AstNode::kNoNumber) { } |
2253 | 2253 |
2254 // Build the sequence for the graph. | 2254 // Build the sequence for the graph. |
2255 LChunk* Build(); | 2255 LPlatformChunk* Build(); |
2256 | 2256 |
2257 // Declare methods that deal with the individual node types. | 2257 // Declare methods that deal with the individual node types. |
2258 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); | 2258 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); |
2259 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) | 2259 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
2260 #undef DECLARE_DO | 2260 #undef DECLARE_DO |
2261 | 2261 |
2262 static bool HasMagicNumberForDivisor(int32_t divisor); | 2262 static bool HasMagicNumberForDivisor(int32_t divisor); |
2263 static HValue* SimplifiedDividendForMathFloorOfDiv(HValue* val); | 2263 static HValue* SimplifiedDividendForMathFloorOfDiv(HValue* val); |
2264 static HValue* SimplifiedDivisorForMathFloorOfDiv(HValue* val); | 2264 static HValue* SimplifiedDivisorForMathFloorOfDiv(HValue* val); |
2265 | 2265 |
2266 private: | 2266 private: |
2267 enum Status { | 2267 enum Status { |
2268 UNUSED, | 2268 UNUSED, |
2269 BUILDING, | 2269 BUILDING, |
2270 DONE, | 2270 DONE, |
2271 ABORTED | 2271 ABORTED |
2272 }; | 2272 }; |
2273 | 2273 |
2274 LChunk* chunk() const { return chunk_; } | 2274 LPlatformChunk* chunk() const { return chunk_; } |
2275 CompilationInfo* info() const { return info_; } | 2275 CompilationInfo* info() const { return info_; } |
2276 HGraph* graph() const { return graph_; } | 2276 HGraph* graph() const { return graph_; } |
2277 Zone* zone() const { return zone_; } | 2277 Zone* zone() const { return zone_; } |
2278 | 2278 |
2279 bool is_unused() const { return status_ == UNUSED; } | 2279 bool is_unused() const { return status_ == UNUSED; } |
2280 bool is_building() const { return status_ == BUILDING; } | 2280 bool is_building() const { return status_ == BUILDING; } |
2281 bool is_done() const { return status_ == DONE; } | 2281 bool is_done() const { return status_ == DONE; } |
2282 bool is_aborted() const { return status_ == ABORTED; } | 2282 bool is_aborted() const { return status_ == ABORTED; } |
2283 | 2283 |
2284 void Abort(const char* format, ...); | 2284 void Abort(const char* format, ...); |
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2364 | 2364 |
2365 void VisitInstruction(HInstruction* current); | 2365 void VisitInstruction(HInstruction* current); |
2366 | 2366 |
2367 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); | 2367 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); |
2368 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); | 2368 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); |
2369 LInstruction* DoArithmeticD(Token::Value op, | 2369 LInstruction* DoArithmeticD(Token::Value op, |
2370 HArithmeticBinaryOperation* instr); | 2370 HArithmeticBinaryOperation* instr); |
2371 LInstruction* DoArithmeticT(Token::Value op, | 2371 LInstruction* DoArithmeticT(Token::Value op, |
2372 HArithmeticBinaryOperation* instr); | 2372 HArithmeticBinaryOperation* instr); |
2373 | 2373 |
2374 LChunk* chunk_; | 2374 LPlatformChunk* chunk_; |
2375 CompilationInfo* info_; | 2375 CompilationInfo* info_; |
2376 HGraph* const graph_; | 2376 HGraph* const graph_; |
2377 Zone* zone_; | 2377 Zone* zone_; |
2378 Status status_; | 2378 Status status_; |
2379 HInstruction* current_instruction_; | 2379 HInstruction* current_instruction_; |
2380 HBasicBlock* current_block_; | 2380 HBasicBlock* current_block_; |
2381 HBasicBlock* next_block_; | 2381 HBasicBlock* next_block_; |
2382 int argument_count_; | 2382 int argument_count_; |
2383 LAllocator* allocator_; | 2383 LAllocator* allocator_; |
2384 int position_; | 2384 int position_; |
2385 LInstruction* instruction_pending_deoptimization_environment_; | 2385 LInstruction* instruction_pending_deoptimization_environment_; |
2386 int pending_deoptimization_ast_id_; | 2386 int pending_deoptimization_ast_id_; |
2387 | 2387 |
2388 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2388 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2389 }; | 2389 }; |
2390 | 2390 |
2391 #undef DECLARE_HYDROGEN_ACCESSOR | 2391 #undef DECLARE_HYDROGEN_ACCESSOR |
2392 #undef DECLARE_CONCRETE_INSTRUCTION | 2392 #undef DECLARE_CONCRETE_INSTRUCTION |
2393 | 2393 |
2394 } } // namespace v8::internal | 2394 } } // namespace v8::internal |
2395 | 2395 |
2396 #endif // V8_ARM_LITHIUM_ARM_H_ | 2396 #endif // V8_ARM_LITHIUM_ARM_H_ |
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