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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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400 void PrintDataTo(StringStream* stream) const; | 400 void PrintDataTo(StringStream* stream) const; |
401 | 401 |
402 private: | 402 private: |
403 ZoneList<LMoveOperands> move_operands_; | 403 ZoneList<LMoveOperands> move_operands_; |
404 }; | 404 }; |
405 | 405 |
406 | 406 |
407 class LPointerMap: public ZoneObject { | 407 class LPointerMap: public ZoneObject { |
408 public: | 408 public: |
409 explicit LPointerMap(int position) | 409 explicit LPointerMap(int position) |
410 : pointer_operands_(8), position_(position), lithium_position_(-1) { } | 410 : pointer_operands_(8), |
| 411 untagged_operands_(0), |
| 412 position_(position), |
| 413 lithium_position_(-1) { } |
411 | 414 |
412 const ZoneList<LOperand*>* operands() const { return &pointer_operands_; } | 415 const ZoneList<LOperand*>* GetNormalizedOperands() { |
| 416 for (int i = 0; i < untagged_operands_.length(); ++i) { |
| 417 RemovePointer(untagged_operands_[i]); |
| 418 } |
| 419 untagged_operands_.Clear(); |
| 420 return &pointer_operands_; |
| 421 } |
413 int position() const { return position_; } | 422 int position() const { return position_; } |
414 int lithium_position() const { return lithium_position_; } | 423 int lithium_position() const { return lithium_position_; } |
415 | 424 |
416 void set_lithium_position(int pos) { | 425 void set_lithium_position(int pos) { |
417 ASSERT(lithium_position_ == -1); | 426 ASSERT(lithium_position_ == -1); |
418 lithium_position_ = pos; | 427 lithium_position_ = pos; |
419 } | 428 } |
420 | 429 |
421 void RecordPointer(LOperand* op); | 430 void RecordPointer(LOperand* op); |
| 431 void RemovePointer(LOperand* op); |
| 432 void RecordUntagged(LOperand* op); |
422 void PrintTo(StringStream* stream); | 433 void PrintTo(StringStream* stream); |
423 | 434 |
424 private: | 435 private: |
425 ZoneList<LOperand*> pointer_operands_; | 436 ZoneList<LOperand*> pointer_operands_; |
| 437 ZoneList<LOperand*> untagged_operands_; |
426 int position_; | 438 int position_; |
427 int lithium_position_; | 439 int lithium_position_; |
428 }; | 440 }; |
429 | 441 |
430 | 442 |
431 class LEnvironment: public ZoneObject { | 443 class LEnvironment: public ZoneObject { |
432 public: | 444 public: |
433 LEnvironment(Handle<JSFunction> closure, | 445 LEnvironment(Handle<JSFunction> closure, |
434 int ast_id, | 446 int ast_id, |
435 int parameter_count, | 447 int parameter_count, |
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583 ShallowIterator current_iterator_; | 595 ShallowIterator current_iterator_; |
584 }; | 596 }; |
585 | 597 |
586 | 598 |
587 int ElementsKindToShiftSize(ElementsKind elements_kind); | 599 int ElementsKindToShiftSize(ElementsKind elements_kind); |
588 | 600 |
589 | 601 |
590 } } // namespace v8::internal | 602 } } // namespace v8::internal |
591 | 603 |
592 #endif // V8_LITHIUM_H_ | 604 #endif // V8_LITHIUM_H_ |
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