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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #if V8_TARGET_ARCH_X64 | 5 #if V8_TARGET_ARCH_X64 |
| 6 | 6 |
| 7 #include "src/crankshaft/x64/lithium-codegen-x64.h" | 7 #include "src/crankshaft/x64/lithium-codegen-x64.h" |
| 8 | 8 |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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| 5098 flags = static_cast<AllocationFlags>(flags | PRETENURE); | 5098 flags = static_cast<AllocationFlags>(flags | PRETENURE); |
| 5099 } | 5099 } |
| 5100 | 5100 |
| 5101 if (instr->hydrogen()->IsAllocationFoldingDominator()) { | 5101 if (instr->hydrogen()->IsAllocationFoldingDominator()) { |
| 5102 flags = static_cast<AllocationFlags>(flags | ALLOCATION_FOLDING_DOMINATOR); | 5102 flags = static_cast<AllocationFlags>(flags | ALLOCATION_FOLDING_DOMINATOR); |
| 5103 } | 5103 } |
| 5104 DCHECK(!instr->hydrogen()->IsAllocationFolded()); | 5104 DCHECK(!instr->hydrogen()->IsAllocationFolded()); |
| 5105 | 5105 |
| 5106 if (instr->size()->IsConstantOperand()) { | 5106 if (instr->size()->IsConstantOperand()) { |
| 5107 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5107 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
| 5108 CHECK(size <= Page::kMaxRegularHeapObjectSize); | 5108 CHECK(size <= kMaxRegularHeapObjectSize); |
| 5109 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); | 5109 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); |
| 5110 } else { | 5110 } else { |
| 5111 Register size = ToRegister(instr->size()); | 5111 Register size = ToRegister(instr->size()); |
| 5112 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); | 5112 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); |
| 5113 } | 5113 } |
| 5114 | 5114 |
| 5115 __ bind(deferred->exit()); | 5115 __ bind(deferred->exit()); |
| 5116 | 5116 |
| 5117 if (instr->hydrogen()->MustPrefillWithFiller()) { | 5117 if (instr->hydrogen()->MustPrefillWithFiller()) { |
| 5118 if (instr->size()->IsConstantOperand()) { | 5118 if (instr->size()->IsConstantOperand()) { |
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| 5141 AllocationFlags flags = ALLOCATION_FOLDED; | 5141 AllocationFlags flags = ALLOCATION_FOLDED; |
| 5142 if (instr->hydrogen()->MustAllocateDoubleAligned()) { | 5142 if (instr->hydrogen()->MustAllocateDoubleAligned()) { |
| 5143 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); | 5143 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); |
| 5144 } | 5144 } |
| 5145 if (instr->hydrogen()->IsOldSpaceAllocation()) { | 5145 if (instr->hydrogen()->IsOldSpaceAllocation()) { |
| 5146 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); | 5146 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); |
| 5147 flags = static_cast<AllocationFlags>(flags | PRETENURE); | 5147 flags = static_cast<AllocationFlags>(flags | PRETENURE); |
| 5148 } | 5148 } |
| 5149 if (instr->size()->IsConstantOperand()) { | 5149 if (instr->size()->IsConstantOperand()) { |
| 5150 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5150 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
| 5151 CHECK(size <= Page::kMaxRegularHeapObjectSize); | 5151 CHECK(size <= kMaxRegularHeapObjectSize); |
| 5152 __ FastAllocate(size, result, temp, flags); | 5152 __ FastAllocate(size, result, temp, flags); |
| 5153 } else { | 5153 } else { |
| 5154 Register size = ToRegister(instr->size()); | 5154 Register size = ToRegister(instr->size()); |
| 5155 __ FastAllocate(size, result, temp, flags); | 5155 __ FastAllocate(size, result, temp, flags); |
| 5156 } | 5156 } |
| 5157 } | 5157 } |
| 5158 | 5158 |
| 5159 void LCodeGen::DoDeferredAllocate(LAllocate* instr) { | 5159 void LCodeGen::DoDeferredAllocate(LAllocate* instr) { |
| 5160 Register result = ToRegister(instr->result()); | 5160 Register result = ToRegister(instr->result()); |
| 5161 | 5161 |
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| 5564 __ bind(deferred->exit()); | 5564 __ bind(deferred->exit()); |
| 5565 __ bind(&done); | 5565 __ bind(&done); |
| 5566 } | 5566 } |
| 5567 | 5567 |
| 5568 #undef __ | 5568 #undef __ |
| 5569 | 5569 |
| 5570 } // namespace internal | 5570 } // namespace internal |
| 5571 } // namespace v8 | 5571 } // namespace v8 |
| 5572 | 5572 |
| 5573 #endif // V8_TARGET_ARCH_X64 | 5573 #endif // V8_TARGET_ARCH_X64 |
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