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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/instruction-selector-impl.h" | 5 #include "src/compiler/instruction-selector-impl.h" |
6 #include "src/compiler/node-matchers.h" | 6 #include "src/compiler/node-matchers.h" |
7 #include "src/compiler/node-properties.h" | 7 #include "src/compiler/node-properties.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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612 Node* base = node->InputAt(0); | 612 Node* base = node->InputAt(0); |
613 Node* index = node->InputAt(1); | 613 Node* index = node->InputAt(1); |
614 Node* value = node->InputAt(2); | 614 Node* value = node->InputAt(2); |
615 | 615 |
616 StoreRepresentation store_rep = StoreRepresentationOf(node->op()); | 616 StoreRepresentation store_rep = StoreRepresentationOf(node->op()); |
617 WriteBarrierKind write_barrier_kind = store_rep.write_barrier_kind(); | 617 WriteBarrierKind write_barrier_kind = store_rep.write_barrier_kind(); |
618 MachineRepresentation rep = store_rep.representation(); | 618 MachineRepresentation rep = store_rep.representation(); |
619 | 619 |
620 // TODO(arm64): I guess this could be done in a better way. | 620 // TODO(arm64): I guess this could be done in a better way. |
621 if (write_barrier_kind != kNoWriteBarrier) { | 621 if (write_barrier_kind != kNoWriteBarrier) { |
622 DCHECK_EQ(MachineRepresentation::kTagged, rep); | 622 DCHECK(rep == MachineRepresentation::kTagged || |
| 623 rep == MachineRepresentation::kTaggedPointer); |
623 AddressingMode addressing_mode; | 624 AddressingMode addressing_mode; |
624 InstructionOperand inputs[3]; | 625 InstructionOperand inputs[3]; |
625 size_t input_count = 0; | 626 size_t input_count = 0; |
626 inputs[input_count++] = g.UseUniqueRegister(base); | 627 inputs[input_count++] = g.UseUniqueRegister(base); |
627 // OutOfLineRecordWrite uses the index in an arithmetic instruction, so we | 628 // OutOfLineRecordWrite uses the index in an arithmetic instruction, so we |
628 // must check kArithmeticImm as well as kLoadStoreImm64. | 629 // must check kArithmeticImm as well as kLoadStoreImm64. |
629 if (g.CanBeImmediate(index, kArithmeticImm) && | 630 if (g.CanBeImmediate(index, kArithmeticImm) && |
630 g.CanBeImmediate(index, kLoadStoreImm64)) { | 631 g.CanBeImmediate(index, kLoadStoreImm64)) { |
631 inputs[input_count++] = g.UseImmediate(index); | 632 inputs[input_count++] = g.UseImmediate(index); |
632 addressing_mode = kMode_MRI; | 633 addressing_mode = kMode_MRI; |
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2797 // static | 2798 // static |
2798 MachineOperatorBuilder::AlignmentRequirements | 2799 MachineOperatorBuilder::AlignmentRequirements |
2799 InstructionSelector::AlignmentRequirements() { | 2800 InstructionSelector::AlignmentRequirements() { |
2800 return MachineOperatorBuilder::AlignmentRequirements:: | 2801 return MachineOperatorBuilder::AlignmentRequirements:: |
2801 FullUnalignedAccessSupport(); | 2802 FullUnalignedAccessSupport(); |
2802 } | 2803 } |
2803 | 2804 |
2804 } // namespace compiler | 2805 } // namespace compiler |
2805 } // namespace internal | 2806 } // namespace internal |
2806 } // namespace v8 | 2807 } // namespace v8 |
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