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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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453 | 453 |
454 class LEnvironment: public ZoneObject { | 454 class LEnvironment: public ZoneObject { |
455 public: | 455 public: |
456 LEnvironment(Handle<JSFunction> closure, | 456 LEnvironment(Handle<JSFunction> closure, |
457 FrameType frame_type, | 457 FrameType frame_type, |
458 BailoutId ast_id, | 458 BailoutId ast_id, |
459 int parameter_count, | 459 int parameter_count, |
460 int argument_count, | 460 int argument_count, |
461 int value_count, | 461 int value_count, |
462 LEnvironment* outer, | 462 LEnvironment* outer, |
| 463 HEnterInlined* entry, |
463 Zone* zone) | 464 Zone* zone) |
464 : closure_(closure), | 465 : closure_(closure), |
465 frame_type_(frame_type), | 466 frame_type_(frame_type), |
466 arguments_stack_height_(argument_count), | 467 arguments_stack_height_(argument_count), |
467 deoptimization_index_(Safepoint::kNoDeoptimizationIndex), | 468 deoptimization_index_(Safepoint::kNoDeoptimizationIndex), |
468 translation_index_(-1), | 469 translation_index_(-1), |
469 ast_id_(ast_id), | 470 ast_id_(ast_id), |
470 parameter_count_(parameter_count), | 471 parameter_count_(parameter_count), |
471 pc_offset_(-1), | 472 pc_offset_(-1), |
472 values_(value_count, zone), | 473 values_(value_count, zone), |
473 is_tagged_(value_count, zone), | 474 is_tagged_(value_count, zone), |
474 is_uint32_(value_count, zone), | 475 is_uint32_(value_count, zone), |
475 spilled_registers_(NULL), | 476 spilled_registers_(NULL), |
476 spilled_double_registers_(NULL), | 477 spilled_double_registers_(NULL), |
477 outer_(outer), | 478 outer_(outer), |
| 479 entry_(entry), |
478 zone_(zone) { } | 480 zone_(zone) { } |
479 | 481 |
480 Handle<JSFunction> closure() const { return closure_; } | 482 Handle<JSFunction> closure() const { return closure_; } |
481 FrameType frame_type() const { return frame_type_; } | 483 FrameType frame_type() const { return frame_type_; } |
482 int arguments_stack_height() const { return arguments_stack_height_; } | 484 int arguments_stack_height() const { return arguments_stack_height_; } |
483 int deoptimization_index() const { return deoptimization_index_; } | 485 int deoptimization_index() const { return deoptimization_index_; } |
484 int translation_index() const { return translation_index_; } | 486 int translation_index() const { return translation_index_; } |
485 BailoutId ast_id() const { return ast_id_; } | 487 BailoutId ast_id() const { return ast_id_; } |
486 int parameter_count() const { return parameter_count_; } | 488 int parameter_count() const { return parameter_count_; } |
487 int pc_offset() const { return pc_offset_; } | 489 int pc_offset() const { return pc_offset_; } |
488 LOperand** spilled_registers() const { return spilled_registers_; } | 490 LOperand** spilled_registers() const { return spilled_registers_; } |
489 LOperand** spilled_double_registers() const { | 491 LOperand** spilled_double_registers() const { |
490 return spilled_double_registers_; | 492 return spilled_double_registers_; |
491 } | 493 } |
492 const ZoneList<LOperand*>* values() const { return &values_; } | 494 const ZoneList<LOperand*>* values() const { return &values_; } |
493 LEnvironment* outer() const { return outer_; } | 495 LEnvironment* outer() const { return outer_; } |
| 496 HEnterInlined* entry() { return entry_; } |
494 | 497 |
495 void AddValue(LOperand* operand, | 498 void AddValue(LOperand* operand, |
496 Representation representation, | 499 Representation representation, |
497 bool is_uint32) { | 500 bool is_uint32) { |
498 values_.Add(operand, zone()); | 501 values_.Add(operand, zone()); |
499 if (representation.IsTagged()) { | 502 if (representation.IsTagged()) { |
500 ASSERT(!is_uint32); | 503 ASSERT(!is_uint32); |
501 is_tagged_.Add(values_.length() - 1); | 504 is_tagged_.Add(values_.length() - 1); |
502 } | 505 } |
503 | 506 |
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549 BitVector is_tagged_; | 552 BitVector is_tagged_; |
550 BitVector is_uint32_; | 553 BitVector is_uint32_; |
551 | 554 |
552 // Allocation index indexed arrays of spill slot operands for registers | 555 // Allocation index indexed arrays of spill slot operands for registers |
553 // that are also in spill slots at an OSR entry. NULL for environments | 556 // that are also in spill slots at an OSR entry. NULL for environments |
554 // that do not correspond to an OSR entry. | 557 // that do not correspond to an OSR entry. |
555 LOperand** spilled_registers_; | 558 LOperand** spilled_registers_; |
556 LOperand** spilled_double_registers_; | 559 LOperand** spilled_double_registers_; |
557 | 560 |
558 LEnvironment* outer_; | 561 LEnvironment* outer_; |
| 562 HEnterInlined* entry_; |
559 | 563 |
560 Zone* zone_; | 564 Zone* zone_; |
561 }; | 565 }; |
562 | 566 |
563 | 567 |
564 // Iterates over the non-null, non-constant operands in an environment. | 568 // Iterates over the non-null, non-constant operands in an environment. |
565 class ShallowIterator BASE_EMBEDDED { | 569 class ShallowIterator BASE_EMBEDDED { |
566 public: | 570 public: |
567 explicit ShallowIterator(LEnvironment* env) | 571 explicit ShallowIterator(LEnvironment* env) |
568 : env_(env), | 572 : env_(env), |
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697 ZoneList<Handle<JSFunction> > inlined_closures_; | 701 ZoneList<Handle<JSFunction> > inlined_closures_; |
698 }; | 702 }; |
699 | 703 |
700 | 704 |
701 int ElementsKindToShiftSize(ElementsKind elements_kind); | 705 int ElementsKindToShiftSize(ElementsKind elements_kind); |
702 | 706 |
703 | 707 |
704 } } // namespace v8::internal | 708 } } // namespace v8::internal |
705 | 709 |
706 #endif // V8_LITHIUM_H_ | 710 #endif // V8_LITHIUM_H_ |
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