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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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484 void Heap::ScavengePointer(HeapObject** p) { | 484 void Heap::ScavengePointer(HeapObject** p) { |
485 ScavengeObject(p, *p); | 485 ScavengeObject(p, *p); |
486 } | 486 } |
487 | 487 |
488 | 488 |
489 void Heap::UpdateAllocationSiteFeedback(HeapObject* object) { | 489 void Heap::UpdateAllocationSiteFeedback(HeapObject* object) { |
490 Heap* heap = object->GetHeap(); | 490 Heap* heap = object->GetHeap(); |
491 ASSERT(heap->InNewSpace(object)); | 491 ASSERT(heap->InNewSpace(object)); |
492 | 492 |
493 if (!FLAG_allocation_site_pretenuring || | 493 if (!FLAG_allocation_site_pretenuring || |
494 !heap->new_space_high_promotion_mode_active_ || | |
495 !AllocationSite::CanTrack(object->map()->instance_type())) return; | 494 !AllocationSite::CanTrack(object->map()->instance_type())) return; |
496 | 495 |
497 // Either object is the last object in the from space, or there is another | 496 // Either object is the last object in the from space, or there is another |
498 // object of at least word size (the header map word) following it, so | 497 // object of at least word size (the header map word) following it, so |
499 // suffices to compare ptr and top here. | 498 // suffices to compare ptr and top here. |
500 Address ptr = object->address() + object->Size(); | 499 Address ptr = object->address() + object->Size(); |
501 Address top = heap->new_space()->FromSpacePageHigh(); | 500 Address top = heap->new_space()->FromSpacePageHigh(); |
502 ASSERT(ptr == top || ptr + HeapObject::kHeaderSize <= top); | 501 ASSERT(ptr == top || ptr + HeapObject::kHeaderSize <= top); |
503 if (ptr == top) return; | 502 if (ptr == top) return; |
504 | 503 |
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834 #ifdef DEBUG | 833 #ifdef DEBUG |
835 Isolate* isolate = Isolate::Current(); | 834 Isolate* isolate = Isolate::Current(); |
836 isolate->heap()->disallow_allocation_failure_ = old_state_; | 835 isolate->heap()->disallow_allocation_failure_ = old_state_; |
837 #endif | 836 #endif |
838 } | 837 } |
839 | 838 |
840 | 839 |
841 } } // namespace v8::internal | 840 } } // namespace v8::internal |
842 | 841 |
843 #endif // V8_HEAP_INL_H_ | 842 #endif // V8_HEAP_INL_H_ |
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