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Issue 1838283003: Migrate FastCloneShallowObjectStub to TurboFan (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Addressed comment Created 4 years, 8 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/code-stub-assembler.h" 5 #include "src/compiler/code-stub-assembler.h"
6 6
7 #include <ostream> 7 #include <ostream>
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/compiler/graph.h" 10 #include "src/compiler/graph.h"
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516 Node* header_size = IntPtrConstant(additional_offset + 516 Node* header_size = IntPtrConstant(additional_offset +
517 FixedArray::kHeaderSize - kHeapObjectTag); 517 FixedArray::kHeaderSize - kHeapObjectTag);
518 if (raw_assembler_->machine()->Is64()) { 518 if (raw_assembler_->machine()->Is64()) {
519 index = ChangeInt32ToInt64(index); 519 index = ChangeInt32ToInt64(index);
520 } 520 }
521 Node* scaled_index = WordShl(index, IntPtrConstant(kPointerSizeLog2)); 521 Node* scaled_index = WordShl(index, IntPtrConstant(kPointerSizeLog2));
522 Node* offset = IntPtrAdd(scaled_index, header_size); 522 Node* offset = IntPtrAdd(scaled_index, header_size);
523 return Load(MachineType::AnyTagged(), object, offset); 523 return Load(MachineType::AnyTagged(), object, offset);
524 } 524 }
525 525
526 Node* CodeStubAssembler::LoadMapInstanceSize(Node* map) {
527 return Load(MachineType::Uint8(), map,
528 IntPtrConstant(Map::kInstanceSizeOffset - kHeapObjectTag));
529 }
530
526 Node* CodeStubAssembler::LoadFixedArrayElementSmiIndex(Node* object, 531 Node* CodeStubAssembler::LoadFixedArrayElementSmiIndex(Node* object,
527 Node* smi_index, 532 Node* smi_index,
528 int additional_offset) { 533 int additional_offset) {
529 int const kSmiShiftBits = kSmiShiftSize + kSmiTagSize; 534 int const kSmiShiftBits = kSmiShiftSize + kSmiTagSize;
530 Node* header_size = IntPtrConstant(additional_offset + 535 Node* header_size = IntPtrConstant(additional_offset +
531 FixedArray::kHeaderSize - kHeapObjectTag); 536 FixedArray::kHeaderSize - kHeapObjectTag);
532 Node* scaled_index = 537 Node* scaled_index =
533 (kSmiShiftBits > kPointerSizeLog2) 538 (kSmiShiftBits > kPointerSizeLog2)
534 ? WordSar(smi_index, IntPtrConstant(kSmiShiftBits - kPointerSizeLog2)) 539 ? WordSar(smi_index, IntPtrConstant(kSmiShiftBits - kPointerSizeLog2))
535 : WordShl(smi_index, 540 : WordShl(smi_index,
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697 if (flags & kDoubleAlignment) { 702 if (flags & kDoubleAlignment) {
698 return AllocateRawAligned(IntPtrConstant(size_in_bytes), flags, top_address, 703 return AllocateRawAligned(IntPtrConstant(size_in_bytes), flags, top_address,
699 limit_address); 704 limit_address);
700 } 705 }
701 #endif 706 #endif
702 707
703 return AllocateRawUnaligned(IntPtrConstant(size_in_bytes), flags, top_address, 708 return AllocateRawUnaligned(IntPtrConstant(size_in_bytes), flags, top_address,
704 limit_address); 709 limit_address);
705 } 710 }
706 711
712 Node* CodeStubAssembler::InnerAllocate(Node* previous, int offset) {
713 return IntPtrAdd(previous, IntPtrConstant(offset));
714 }
715
707 Node* CodeStubAssembler::AllocateHeapNumber() { 716 Node* CodeStubAssembler::AllocateHeapNumber() {
708 Node* result = Allocate(HeapNumber::kSize, kNone); 717 Node* result = Allocate(HeapNumber::kSize, kNone);
709 StoreMapNoWriteBarrier(result, HeapNumberMapConstant()); 718 StoreMapNoWriteBarrier(result, HeapNumberMapConstant());
710 return result; 719 return result;
711 } 720 }
712 721
713 Node* CodeStubAssembler::AllocateHeapNumberWithValue(Node* value) { 722 Node* CodeStubAssembler::AllocateHeapNumberWithValue(Node* value) {
714 Node* result = AllocateHeapNumber(); 723 Node* result = AllocateHeapNumber();
715 StoreHeapNumberValue(result, value); 724 StoreHeapNumberValue(result, value);
716 return result; 725 return result;
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1752 } 1761 }
1753 } 1762 }
1754 } 1763 }
1755 1764
1756 bound_ = true; 1765 bound_ = true;
1757 } 1766 }
1758 1767
1759 } // namespace compiler 1768 } // namespace compiler
1760 } // namespace internal 1769 } // namespace internal
1761 } // namespace v8 1770 } // namespace v8
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