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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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464 : closure_(closure), | 464 : closure_(closure), |
465 frame_type_(frame_type), | 465 frame_type_(frame_type), |
466 arguments_stack_height_(argument_count), | 466 arguments_stack_height_(argument_count), |
467 deoptimization_index_(Safepoint::kNoDeoptimizationIndex), | 467 deoptimization_index_(Safepoint::kNoDeoptimizationIndex), |
468 translation_index_(-1), | 468 translation_index_(-1), |
469 ast_id_(ast_id), | 469 ast_id_(ast_id), |
470 parameter_count_(parameter_count), | 470 parameter_count_(parameter_count), |
471 pc_offset_(-1), | 471 pc_offset_(-1), |
472 values_(value_count, zone), | 472 values_(value_count, zone), |
473 is_tagged_(value_count, zone), | 473 is_tagged_(value_count, zone), |
| 474 is_uint32_(value_count, zone), |
474 spilled_registers_(NULL), | 475 spilled_registers_(NULL), |
475 spilled_double_registers_(NULL), | 476 spilled_double_registers_(NULL), |
476 outer_(outer), | 477 outer_(outer), |
477 zone_(zone) { } | 478 zone_(zone) { } |
478 | 479 |
479 Handle<JSFunction> closure() const { return closure_; } | 480 Handle<JSFunction> closure() const { return closure_; } |
480 FrameType frame_type() const { return frame_type_; } | 481 FrameType frame_type() const { return frame_type_; } |
481 int arguments_stack_height() const { return arguments_stack_height_; } | 482 int arguments_stack_height() const { return arguments_stack_height_; } |
482 int deoptimization_index() const { return deoptimization_index_; } | 483 int deoptimization_index() const { return deoptimization_index_; } |
483 int translation_index() const { return translation_index_; } | 484 int translation_index() const { return translation_index_; } |
484 BailoutId ast_id() const { return ast_id_; } | 485 BailoutId ast_id() const { return ast_id_; } |
485 int parameter_count() const { return parameter_count_; } | 486 int parameter_count() const { return parameter_count_; } |
486 int pc_offset() const { return pc_offset_; } | 487 int pc_offset() const { return pc_offset_; } |
487 LOperand** spilled_registers() const { return spilled_registers_; } | 488 LOperand** spilled_registers() const { return spilled_registers_; } |
488 LOperand** spilled_double_registers() const { | 489 LOperand** spilled_double_registers() const { |
489 return spilled_double_registers_; | 490 return spilled_double_registers_; |
490 } | 491 } |
491 const ZoneList<LOperand*>* values() const { return &values_; } | 492 const ZoneList<LOperand*>* values() const { return &values_; } |
492 LEnvironment* outer() const { return outer_; } | 493 LEnvironment* outer() const { return outer_; } |
493 | 494 |
494 void AddValue(LOperand* operand, Representation representation) { | 495 void AddValue(LOperand* operand, |
| 496 Representation representation, |
| 497 bool is_uint32) { |
495 values_.Add(operand, zone()); | 498 values_.Add(operand, zone()); |
496 if (representation.IsTagged()) { | 499 if (representation.IsTagged()) { |
| 500 ASSERT(!is_uint32); |
497 is_tagged_.Add(values_.length() - 1); | 501 is_tagged_.Add(values_.length() - 1); |
498 } | 502 } |
| 503 |
| 504 if (is_uint32) { |
| 505 is_uint32_.Add(values_.length() - 1); |
| 506 } |
499 } | 507 } |
500 | 508 |
501 bool HasTaggedValueAt(int index) const { | 509 bool HasTaggedValueAt(int index) const { |
502 return is_tagged_.Contains(index); | 510 return is_tagged_.Contains(index); |
503 } | 511 } |
504 | 512 |
| 513 bool HasUint32ValueAt(int index) const { |
| 514 return is_uint32_.Contains(index); |
| 515 } |
| 516 |
505 void Register(int deoptimization_index, | 517 void Register(int deoptimization_index, |
506 int translation_index, | 518 int translation_index, |
507 int pc_offset) { | 519 int pc_offset) { |
508 ASSERT(!HasBeenRegistered()); | 520 ASSERT(!HasBeenRegistered()); |
509 deoptimization_index_ = deoptimization_index; | 521 deoptimization_index_ = deoptimization_index; |
510 translation_index_ = translation_index; | 522 translation_index_ = translation_index; |
511 pc_offset_ = pc_offset; | 523 pc_offset_ = pc_offset; |
512 } | 524 } |
513 bool HasBeenRegistered() const { | 525 bool HasBeenRegistered() const { |
514 return deoptimization_index_ != Safepoint::kNoDeoptimizationIndex; | 526 return deoptimization_index_ != Safepoint::kNoDeoptimizationIndex; |
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528 Handle<JSFunction> closure_; | 540 Handle<JSFunction> closure_; |
529 FrameType frame_type_; | 541 FrameType frame_type_; |
530 int arguments_stack_height_; | 542 int arguments_stack_height_; |
531 int deoptimization_index_; | 543 int deoptimization_index_; |
532 int translation_index_; | 544 int translation_index_; |
533 BailoutId ast_id_; | 545 BailoutId ast_id_; |
534 int parameter_count_; | 546 int parameter_count_; |
535 int pc_offset_; | 547 int pc_offset_; |
536 ZoneList<LOperand*> values_; | 548 ZoneList<LOperand*> values_; |
537 BitVector is_tagged_; | 549 BitVector is_tagged_; |
| 550 BitVector is_uint32_; |
538 | 551 |
539 // Allocation index indexed arrays of spill slot operands for registers | 552 // Allocation index indexed arrays of spill slot operands for registers |
540 // that are also in spill slots at an OSR entry. NULL for environments | 553 // that are also in spill slots at an OSR entry. NULL for environments |
541 // that do not correspond to an OSR entry. | 554 // that do not correspond to an OSR entry. |
542 LOperand** spilled_registers_; | 555 LOperand** spilled_registers_; |
543 LOperand** spilled_double_registers_; | 556 LOperand** spilled_double_registers_; |
544 | 557 |
545 LEnvironment* outer_; | 558 LEnvironment* outer_; |
546 | 559 |
547 Zone* zone_; | 560 Zone* zone_; |
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684 ZoneList<Handle<JSFunction> > inlined_closures_; | 697 ZoneList<Handle<JSFunction> > inlined_closures_; |
685 }; | 698 }; |
686 | 699 |
687 | 700 |
688 int ElementsKindToShiftSize(ElementsKind elements_kind); | 701 int ElementsKindToShiftSize(ElementsKind elements_kind); |
689 | 702 |
690 | 703 |
691 } } // namespace v8::internal | 704 } } // namespace v8::internal |
692 | 705 |
693 #endif // V8_LITHIUM_H_ | 706 #endif // V8_LITHIUM_H_ |
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