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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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86 V(ConstantI) \ | 86 V(ConstantI) \ |
87 V(ConstantT) \ | 87 V(ConstantT) \ |
88 V(Context) \ | 88 V(Context) \ |
89 V(DeleteProperty) \ | 89 V(DeleteProperty) \ |
90 V(Deoptimize) \ | 90 V(Deoptimize) \ |
91 V(DivI) \ | 91 V(DivI) \ |
92 V(DoubleToI) \ | 92 V(DoubleToI) \ |
93 V(ExternalArrayLength) \ | 93 V(ExternalArrayLength) \ |
94 V(FixedArrayLength) \ | 94 V(FixedArrayLength) \ |
95 V(FunctionLiteral) \ | 95 V(FunctionLiteral) \ |
96 V(Gap) \ | |
97 V(GetCachedArrayIndex) \ | 96 V(GetCachedArrayIndex) \ |
98 V(GlobalObject) \ | 97 V(GlobalObject) \ |
99 V(GlobalReceiver) \ | 98 V(GlobalReceiver) \ |
100 V(Goto) \ | 99 V(Goto) \ |
101 V(HasCachedArrayIndex) \ | 100 V(HasCachedArrayIndex) \ |
102 V(HasCachedArrayIndexAndBranch) \ | 101 V(HasCachedArrayIndexAndBranch) \ |
103 V(HasInstanceType) \ | 102 V(HasInstanceType) \ |
104 V(HasInstanceTypeAndBranch) \ | 103 V(HasInstanceTypeAndBranch) \ |
105 V(InstanceOf) \ | 104 V(InstanceOf) \ |
106 V(InstanceOfAndBranch) \ | 105 V(InstanceOfAndBranch) \ |
107 V(InstanceOfKnownGlobal) \ | 106 V(InstanceOfKnownGlobal) \ |
| 107 V(InstructionGap) \ |
108 V(Integer32ToDouble) \ | 108 V(Integer32ToDouble) \ |
109 V(InvokeFunction) \ | 109 V(InvokeFunction) \ |
110 V(IsNull) \ | 110 V(IsNull) \ |
111 V(IsNullAndBranch) \ | 111 V(IsNullAndBranch) \ |
112 V(IsObject) \ | 112 V(IsObject) \ |
113 V(IsObjectAndBranch) \ | 113 V(IsObjectAndBranch) \ |
114 V(IsSmi) \ | 114 V(IsSmi) \ |
115 V(IsSmiAndBranch) \ | 115 V(IsSmiAndBranch) \ |
116 V(JSArrayLength) \ | 116 V(JSArrayLength) \ |
117 V(Label) \ | 117 V(Label) \ |
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164 V(Typeof) \ | 164 V(Typeof) \ |
165 V(TypeofIs) \ | 165 V(TypeofIs) \ |
166 V(TypeofIsAndBranch) \ | 166 V(TypeofIsAndBranch) \ |
167 V(IsConstructCall) \ | 167 V(IsConstructCall) \ |
168 V(IsConstructCallAndBranch) \ | 168 V(IsConstructCallAndBranch) \ |
169 V(UnaryMathOperation) \ | 169 V(UnaryMathOperation) \ |
170 V(UnknownOSRValue) \ | 170 V(UnknownOSRValue) \ |
171 V(ValueOf) | 171 V(ValueOf) |
172 | 172 |
173 | 173 |
174 #define DECLARE_INSTRUCTION(type) \ | 174 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ |
175 virtual bool Is##type() const { return true; } \ | 175 virtual Opcode opcode() const { return LInstruction::k##type; } \ |
176 static L##type* cast(LInstruction* instr) { \ | 176 virtual void CompileToNative(LCodeGen* generator); \ |
177 ASSERT(instr->Is##type()); \ | 177 virtual const char* Mnemonic() const { return mnemonic; } \ |
178 return reinterpret_cast<L##type*>(instr); \ | 178 static L##type* cast(LInstruction* instr) { \ |
| 179 ASSERT(instr->Is##type()); \ |
| 180 return reinterpret_cast<L##type*>(instr); \ |
179 } | 181 } |
180 | 182 |
181 | 183 |
182 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ | |
183 virtual void CompileToNative(LCodeGen* generator); \ | |
184 virtual const char* Mnemonic() const { return mnemonic; } \ | |
185 DECLARE_INSTRUCTION(type) | |
186 | |
187 | |
188 #define DECLARE_HYDROGEN_ACCESSOR(type) \ | 184 #define DECLARE_HYDROGEN_ACCESSOR(type) \ |
189 H##type* hydrogen() const { \ | 185 H##type* hydrogen() const { \ |
190 return H##type::cast(hydrogen_value()); \ | 186 return H##type::cast(hydrogen_value()); \ |
191 } | 187 } |
192 | 188 |
193 | 189 |
194 class LInstruction: public ZoneObject { | 190 class LInstruction: public ZoneObject { |
195 public: | 191 public: |
196 LInstruction() | 192 LInstruction() |
197 : environment_(NULL), | 193 : environment_(NULL), |
198 hydrogen_value_(NULL), | 194 hydrogen_value_(NULL), |
199 is_call_(false), | 195 is_call_(false), |
200 is_save_doubles_(false) { } | 196 is_save_doubles_(false) { } |
201 virtual ~LInstruction() { } | 197 virtual ~LInstruction() { } |
202 | 198 |
203 virtual void CompileToNative(LCodeGen* generator) = 0; | 199 virtual void CompileToNative(LCodeGen* generator) = 0; |
204 virtual const char* Mnemonic() const = 0; | 200 virtual const char* Mnemonic() const = 0; |
205 virtual void PrintTo(StringStream* stream); | 201 virtual void PrintTo(StringStream* stream); |
206 virtual void PrintDataTo(StringStream* stream) = 0; | 202 virtual void PrintDataTo(StringStream* stream) = 0; |
207 virtual void PrintOutputOperandTo(StringStream* stream) = 0; | 203 virtual void PrintOutputOperandTo(StringStream* stream) = 0; |
208 | 204 |
209 // Declare virtual type testers. | 205 enum Opcode { |
210 #define DECLARE_DO(type) virtual bool Is##type() const { return false; } | 206 // Declare a unique enum value for each instruction. |
211 LITHIUM_ALL_INSTRUCTION_LIST(DECLARE_DO) | 207 #define DECLARE_OPCODE(type) k##type, |
212 #undef DECLARE_DO | 208 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) |
| 209 kNumberOfInstructions |
| 210 #undef DECLARE_OPCODE |
| 211 }; |
| 212 |
| 213 virtual Opcode opcode() const = 0; |
| 214 |
| 215 // Declare non-virtual type testers for all leaf IR classes. |
| 216 #define DECLARE_PREDICATE(type) \ |
| 217 bool Is##type() const { return opcode() == k##type; } |
| 218 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE) |
| 219 #undef DECLARE_PREDICATE |
| 220 |
| 221 // Declare virtual predicates for instructions that don't have |
| 222 // an opcode. |
| 223 virtual bool IsGap() const { return false; } |
213 | 224 |
214 virtual bool IsControl() const { return false; } | 225 virtual bool IsControl() const { return false; } |
215 virtual void SetBranchTargets(int true_block_id, int false_block_id) { } | 226 virtual void SetBranchTargets(int true_block_id, int false_block_id) { } |
216 | 227 |
217 void set_environment(LEnvironment* env) { environment_ = env; } | 228 void set_environment(LEnvironment* env) { environment_ = env; } |
218 LEnvironment* environment() const { return environment_; } | 229 LEnvironment* environment() const { return environment_; } |
219 bool HasEnvironment() const { return environment_ != NULL; } | 230 bool HasEnvironment() const { return environment_ != NULL; } |
220 | 231 |
221 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } | 232 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } |
222 LPointerMap* pointer_map() const { return pointer_map_.get(); } | 233 LPointerMap* pointer_map() const { return pointer_map_.get(); } |
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329 class LGap: public LTemplateInstruction<0, 0, 0> { | 340 class LGap: public LTemplateInstruction<0, 0, 0> { |
330 public: | 341 public: |
331 explicit LGap(HBasicBlock* block) | 342 explicit LGap(HBasicBlock* block) |
332 : block_(block) { | 343 : block_(block) { |
333 parallel_moves_[BEFORE] = NULL; | 344 parallel_moves_[BEFORE] = NULL; |
334 parallel_moves_[START] = NULL; | 345 parallel_moves_[START] = NULL; |
335 parallel_moves_[END] = NULL; | 346 parallel_moves_[END] = NULL; |
336 parallel_moves_[AFTER] = NULL; | 347 parallel_moves_[AFTER] = NULL; |
337 } | 348 } |
338 | 349 |
339 DECLARE_CONCRETE_INSTRUCTION(Gap, "gap") | 350 // Can't use the DECLARE-macro here because of sub-classes. |
340 virtual void PrintDataTo(StringStream* stream) const; | 351 virtual bool IsGap() const { return true; } |
| 352 virtual void PrintDataTo(StringStream* stream); |
| 353 static LGap* cast(LInstruction* instr) { |
| 354 ASSERT(instr->IsGap()); |
| 355 return reinterpret_cast<LGap*>(instr); |
| 356 } |
341 | 357 |
342 bool IsRedundant() const; | 358 bool IsRedundant() const; |
343 | 359 |
344 HBasicBlock* block() const { return block_; } | 360 HBasicBlock* block() const { return block_; } |
345 | 361 |
346 enum InnerPosition { | 362 enum InnerPosition { |
347 BEFORE, | 363 BEFORE, |
348 START, | 364 START, |
349 END, | 365 END, |
350 AFTER, | 366 AFTER, |
351 FIRST_INNER_POSITION = BEFORE, | 367 FIRST_INNER_POSITION = BEFORE, |
352 LAST_INNER_POSITION = AFTER | 368 LAST_INNER_POSITION = AFTER |
353 }; | 369 }; |
354 | 370 |
355 LParallelMove* GetOrCreateParallelMove(InnerPosition pos) { | 371 LParallelMove* GetOrCreateParallelMove(InnerPosition pos) { |
356 if (parallel_moves_[pos] == NULL) parallel_moves_[pos] = new LParallelMove; | 372 if (parallel_moves_[pos] == NULL) parallel_moves_[pos] = new LParallelMove; |
357 return parallel_moves_[pos]; | 373 return parallel_moves_[pos]; |
358 } | 374 } |
359 | 375 |
360 LParallelMove* GetParallelMove(InnerPosition pos) { | 376 LParallelMove* GetParallelMove(InnerPosition pos) { |
361 return parallel_moves_[pos]; | 377 return parallel_moves_[pos]; |
362 } | 378 } |
363 | 379 |
364 private: | 380 private: |
365 LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; | 381 LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; |
366 HBasicBlock* block_; | 382 HBasicBlock* block_; |
367 }; | 383 }; |
368 | 384 |
369 | 385 |
| 386 class LInstructionGap: public LGap { |
| 387 public: |
| 388 explicit LInstructionGap(HBasicBlock* block) : LGap(block) { } |
| 389 |
| 390 DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap") |
| 391 }; |
| 392 |
| 393 |
370 class LGoto: public LTemplateInstruction<0, 0, 0> { | 394 class LGoto: public LTemplateInstruction<0, 0, 0> { |
371 public: | 395 public: |
372 LGoto(int block_id, bool include_stack_check = false) | 396 LGoto(int block_id, bool include_stack_check = false) |
373 : block_id_(block_id), include_stack_check_(include_stack_check) { } | 397 : block_id_(block_id), include_stack_check_(include_stack_check) { } |
374 | 398 |
375 DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") | 399 DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") |
376 virtual void PrintDataTo(StringStream* stream); | 400 virtual void PrintDataTo(StringStream* stream); |
377 virtual bool IsControl() const { return true; } | 401 virtual bool IsControl() const { return true; } |
378 | 402 |
379 int block_id() const { return block_id_; } | 403 int block_id() const { return block_id_; } |
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448 | 472 |
449 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { | 473 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { |
450 public: | 474 public: |
451 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") | 475 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") |
452 }; | 476 }; |
453 | 477 |
454 | 478 |
455 template<int I, int T> | 479 template<int I, int T> |
456 class LControlInstruction: public LTemplateInstruction<0, I, T> { | 480 class LControlInstruction: public LTemplateInstruction<0, I, T> { |
457 public: | 481 public: |
458 DECLARE_INSTRUCTION(ControlInstruction) | |
459 virtual bool IsControl() const { return true; } | 482 virtual bool IsControl() const { return true; } |
460 | 483 |
461 int true_block_id() const { return true_block_id_; } | 484 int true_block_id() const { return true_block_id_; } |
462 int false_block_id() const { return false_block_id_; } | 485 int false_block_id() const { return false_block_id_; } |
463 void SetBranchTargets(int true_block_id, int false_block_id) { | 486 void SetBranchTargets(int true_block_id, int false_block_id) { |
464 true_block_id_ = true_block_id; | 487 true_block_id_ = true_block_id; |
465 false_block_id_ = false_block_id; | 488 false_block_id_ = false_block_id; |
466 } | 489 } |
467 | 490 |
468 private: | 491 private: |
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1099 class LArithmeticD: public LTemplateInstruction<1, 2, 0> { | 1122 class LArithmeticD: public LTemplateInstruction<1, 2, 0> { |
1100 public: | 1123 public: |
1101 LArithmeticD(Token::Value op, LOperand* left, LOperand* right) | 1124 LArithmeticD(Token::Value op, LOperand* left, LOperand* right) |
1102 : op_(op) { | 1125 : op_(op) { |
1103 inputs_[0] = left; | 1126 inputs_[0] = left; |
1104 inputs_[1] = right; | 1127 inputs_[1] = right; |
1105 } | 1128 } |
1106 | 1129 |
1107 Token::Value op() const { return op_; } | 1130 Token::Value op() const { return op_; } |
1108 | 1131 |
| 1132 virtual Opcode opcode() const { return LInstruction::kArithmeticD; } |
1109 virtual void CompileToNative(LCodeGen* generator); | 1133 virtual void CompileToNative(LCodeGen* generator); |
1110 virtual const char* Mnemonic() const; | 1134 virtual const char* Mnemonic() const; |
1111 | 1135 |
1112 private: | 1136 private: |
1113 Token::Value op_; | 1137 Token::Value op_; |
1114 }; | 1138 }; |
1115 | 1139 |
1116 | 1140 |
1117 class LArithmeticT: public LTemplateInstruction<1, 2, 0> { | 1141 class LArithmeticT: public LTemplateInstruction<1, 2, 0> { |
1118 public: | 1142 public: |
1119 LArithmeticT(Token::Value op, LOperand* left, LOperand* right) | 1143 LArithmeticT(Token::Value op, LOperand* left, LOperand* right) |
1120 : op_(op) { | 1144 : op_(op) { |
1121 inputs_[0] = left; | 1145 inputs_[0] = left; |
1122 inputs_[1] = right; | 1146 inputs_[1] = right; |
1123 } | 1147 } |
1124 | 1148 |
| 1149 virtual Opcode opcode() const { return LInstruction::kArithmeticT; } |
1125 virtual void CompileToNative(LCodeGen* generator); | 1150 virtual void CompileToNative(LCodeGen* generator); |
1126 virtual const char* Mnemonic() const; | 1151 virtual const char* Mnemonic() const; |
1127 | 1152 |
1128 Token::Value op() const { return op_; } | 1153 Token::Value op() const { return op_; } |
1129 | 1154 |
1130 private: | 1155 private: |
1131 Token::Value op_; | 1156 Token::Value op_; |
1132 }; | 1157 }; |
1133 | 1158 |
1134 | 1159 |
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2202 int argument_count_; | 2227 int argument_count_; |
2203 LAllocator* allocator_; | 2228 LAllocator* allocator_; |
2204 int position_; | 2229 int position_; |
2205 LInstruction* instruction_pending_deoptimization_environment_; | 2230 LInstruction* instruction_pending_deoptimization_environment_; |
2206 int pending_deoptimization_ast_id_; | 2231 int pending_deoptimization_ast_id_; |
2207 | 2232 |
2208 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2233 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2209 }; | 2234 }; |
2210 | 2235 |
2211 #undef DECLARE_HYDROGEN_ACCESSOR | 2236 #undef DECLARE_HYDROGEN_ACCESSOR |
2212 #undef DECLARE_INSTRUCTION | |
2213 #undef DECLARE_CONCRETE_INSTRUCTION | 2237 #undef DECLARE_CONCRETE_INSTRUCTION |
2214 | 2238 |
2215 } } // namespace v8::internal | 2239 } } // namespace v8::internal |
2216 | 2240 |
2217 #endif // V8_ARM_LITHIUM_ARM_H_ | 2241 #endif // V8_ARM_LITHIUM_ARM_H_ |
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