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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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271 | 271 |
272 virtual bool HasResult() const = 0; | 272 virtual bool HasResult() const = 0; |
273 virtual LOperand* result() = 0; | 273 virtual LOperand* result() = 0; |
274 | 274 |
275 bool HasDoubleRegisterResult(); | 275 bool HasDoubleRegisterResult(); |
276 bool HasDoubleRegisterInput(); | 276 bool HasDoubleRegisterInput(); |
277 | 277 |
278 LOperand* FirstInput() { return InputAt(0); } | 278 LOperand* FirstInput() { return InputAt(0); } |
279 LOperand* Output() { return HasResult() ? result() : NULL; } | 279 LOperand* Output() { return HasResult() ? result() : NULL; } |
280 | 280 |
| 281 virtual bool HasInterestingComment(LCodeGen* gen) const { return true; } |
| 282 |
281 #ifdef DEBUG | 283 #ifdef DEBUG |
282 void VerifyCall(); | 284 void VerifyCall(); |
283 #endif | 285 #endif |
284 | 286 |
285 private: | 287 private: |
286 // Iterator support. | 288 // Iterator support. |
287 friend class InputIterator; | 289 friend class InputIterator; |
288 virtual int InputCount() = 0; | 290 virtual int InputCount() = 0; |
289 virtual LOperand* InputAt(int i) = 0; | 291 virtual LOperand* InputAt(int i) = 0; |
290 | 292 |
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371 LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; | 373 LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; |
372 HBasicBlock* block_; | 374 HBasicBlock* block_; |
373 }; | 375 }; |
374 | 376 |
375 | 377 |
376 class LInstructionGap: public LGap { | 378 class LInstructionGap: public LGap { |
377 public: | 379 public: |
378 explicit LInstructionGap(HBasicBlock* block) : LGap(block) { } | 380 explicit LInstructionGap(HBasicBlock* block) : LGap(block) { } |
379 virtual bool ClobbersDoubleRegisters() const { return false; } | 381 virtual bool ClobbersDoubleRegisters() const { return false; } |
380 | 382 |
| 383 virtual bool HasInterestingComment(LCodeGen* gen) const { |
| 384 return !IsRedundant(); |
| 385 } |
| 386 |
381 DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap") | 387 DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap") |
382 }; | 388 }; |
383 | 389 |
384 | 390 |
385 class LGoto: public LTemplateInstruction<0, 0, 0> { | 391 class LGoto: public LTemplateInstruction<0, 0, 0> { |
386 public: | 392 public: |
387 explicit LGoto(int block_id) : block_id_(block_id) { } | 393 explicit LGoto(int block_id) : block_id_(block_id) { } |
388 | 394 |
| 395 virtual bool HasInterestingComment(LCodeGen* gen) const; |
389 DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") | 396 DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") |
390 virtual void PrintDataTo(StringStream* stream); | 397 virtual void PrintDataTo(StringStream* stream); |
391 virtual bool IsControl() const { return true; } | 398 virtual bool IsControl() const { return true; } |
392 | 399 |
393 int block_id() const { return block_id_; } | 400 int block_id() const { return block_id_; } |
394 | 401 |
395 private: | 402 private: |
396 int block_id_; | 403 int block_id_; |
397 }; | 404 }; |
398 | 405 |
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416 public: | 423 public: |
417 DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize") | 424 DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize") |
418 }; | 425 }; |
419 | 426 |
420 | 427 |
421 class LLabel: public LGap { | 428 class LLabel: public LGap { |
422 public: | 429 public: |
423 explicit LLabel(HBasicBlock* block) | 430 explicit LLabel(HBasicBlock* block) |
424 : LGap(block), replacement_(NULL) { } | 431 : LGap(block), replacement_(NULL) { } |
425 | 432 |
| 433 virtual bool HasInterestingComment(LCodeGen* gen) const { return false; } |
426 DECLARE_CONCRETE_INSTRUCTION(Label, "label") | 434 DECLARE_CONCRETE_INSTRUCTION(Label, "label") |
427 | 435 |
428 virtual void PrintDataTo(StringStream* stream); | 436 virtual void PrintDataTo(StringStream* stream); |
429 | 437 |
430 int block_id() const { return block()->block_id(); } | 438 int block_id() const { return block()->block_id(); } |
431 bool is_loop_header() const { return block()->IsLoopHeader(); } | 439 bool is_loop_header() const { return block()->IsLoopHeader(); } |
| 440 bool is_osr_entry() const { return block()->is_osr_entry(); } |
432 Label* label() { return &label_; } | 441 Label* label() { return &label_; } |
433 LLabel* replacement() const { return replacement_; } | 442 LLabel* replacement() const { return replacement_; } |
434 void set_replacement(LLabel* label) { replacement_ = label; } | 443 void set_replacement(LLabel* label) { replacement_ = label; } |
435 bool HasReplacement() const { return replacement_ != NULL; } | 444 bool HasReplacement() const { return replacement_ != NULL; } |
436 | 445 |
437 private: | 446 private: |
438 Label label_; | 447 Label label_; |
439 LLabel* replacement_; | 448 LLabel* replacement_; |
440 }; | 449 }; |
441 | 450 |
442 | 451 |
443 class LParameter: public LTemplateInstruction<1, 0, 0> { | 452 class LParameter: public LTemplateInstruction<1, 0, 0> { |
444 public: | 453 public: |
| 454 virtual bool HasInterestingComment(LCodeGen* gen) const { return false; } |
445 DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter") | 455 DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter") |
446 }; | 456 }; |
447 | 457 |
448 | 458 |
449 class LCallStub: public LTemplateInstruction<1, 1, 0> { | 459 class LCallStub: public LTemplateInstruction<1, 1, 0> { |
450 public: | 460 public: |
451 explicit LCallStub(LOperand* context) { | 461 explicit LCallStub(LOperand* context) { |
452 inputs_[0] = context; | 462 inputs_[0] = context; |
453 } | 463 } |
454 | 464 |
455 LOperand* context() { return inputs_[0]; } | 465 LOperand* context() { return inputs_[0]; } |
456 | 466 |
457 DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub") | 467 DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub") |
458 DECLARE_HYDROGEN_ACCESSOR(CallStub) | 468 DECLARE_HYDROGEN_ACCESSOR(CallStub) |
459 | 469 |
460 TranscendentalCache::Type transcendental_type() { | 470 TranscendentalCache::Type transcendental_type() { |
461 return hydrogen()->transcendental_type(); | 471 return hydrogen()->transcendental_type(); |
462 } | 472 } |
463 }; | 473 }; |
464 | 474 |
465 | 475 |
466 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { | 476 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { |
467 public: | 477 public: |
| 478 virtual bool HasInterestingComment(LCodeGen* gen) const { return false; } |
468 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") | 479 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") |
469 }; | 480 }; |
470 | 481 |
471 | 482 |
472 template<int I, int T> | 483 template<int I, int T> |
473 class LControlInstruction: public LTemplateInstruction<0, I, T> { | 484 class LControlInstruction: public LTemplateInstruction<0, I, T> { |
474 public: | 485 public: |
475 virtual bool IsControl() const { return true; } | 486 virtual bool IsControl() const { return true; } |
476 | 487 |
477 int SuccessorCount() { return hydrogen()->SuccessorCount(); } | 488 int SuccessorCount() { return hydrogen()->SuccessorCount(); } |
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2666 LOperand* key() { return inputs_[2]; } | 2677 LOperand* key() { return inputs_[2]; } |
2667 | 2678 |
2668 DECLARE_CONCRETE_INSTRUCTION(DeleteProperty, "delete-property") | 2679 DECLARE_CONCRETE_INSTRUCTION(DeleteProperty, "delete-property") |
2669 }; | 2680 }; |
2670 | 2681 |
2671 | 2682 |
2672 class LOsrEntry: public LTemplateInstruction<0, 0, 0> { | 2683 class LOsrEntry: public LTemplateInstruction<0, 0, 0> { |
2673 public: | 2684 public: |
2674 LOsrEntry(); | 2685 LOsrEntry(); |
2675 | 2686 |
| 2687 virtual bool HasInterestingComment(LCodeGen* gen) const { return false; } |
2676 DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry") | 2688 DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry") |
2677 | 2689 |
2678 LOperand** SpilledRegisterArray() { return register_spills_; } | 2690 LOperand** SpilledRegisterArray() { return register_spills_; } |
2679 LOperand** SpilledDoubleRegisterArray() { return double_register_spills_; } | 2691 LOperand** SpilledDoubleRegisterArray() { return double_register_spills_; } |
2680 | 2692 |
2681 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); | 2693 void MarkSpilledRegister(int allocation_index, LOperand* spill_operand); |
2682 void MarkSpilledDoubleRegister(int allocation_index, | 2694 void MarkSpilledDoubleRegister(int allocation_index, |
2683 LOperand* spill_operand); | 2695 LOperand* spill_operand); |
2684 | 2696 |
2685 private: | 2697 private: |
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2975 | 2987 |
2976 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2988 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2977 }; | 2989 }; |
2978 | 2990 |
2979 #undef DECLARE_HYDROGEN_ACCESSOR | 2991 #undef DECLARE_HYDROGEN_ACCESSOR |
2980 #undef DECLARE_CONCRETE_INSTRUCTION | 2992 #undef DECLARE_CONCRETE_INSTRUCTION |
2981 | 2993 |
2982 } } // namespace v8::internal | 2994 } } // namespace v8::internal |
2983 | 2995 |
2984 #endif // V8_IA32_LITHIUM_IA32_H_ | 2996 #endif // V8_IA32_LITHIUM_IA32_H_ |
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