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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 // 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/crankshaft/arm/lithium-codegen-arm.h" | 5 #include "src/crankshaft/arm/lithium-codegen-arm.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" | 10 #include "src/crankshaft/arm/lithium-gap-resolver-arm.h" |
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5050 flags = static_cast<AllocationFlags>(flags | PRETENURE); | 5050 flags = static_cast<AllocationFlags>(flags | PRETENURE); |
5051 } | 5051 } |
5052 | 5052 |
5053 if (instr->hydrogen()->IsAllocationFoldingDominator()) { | 5053 if (instr->hydrogen()->IsAllocationFoldingDominator()) { |
5054 flags = static_cast<AllocationFlags>(flags | ALLOCATION_FOLDING_DOMINATOR); | 5054 flags = static_cast<AllocationFlags>(flags | ALLOCATION_FOLDING_DOMINATOR); |
5055 } | 5055 } |
5056 DCHECK(!instr->hydrogen()->IsAllocationFolded()); | 5056 DCHECK(!instr->hydrogen()->IsAllocationFolded()); |
5057 | 5057 |
5058 if (instr->size()->IsConstantOperand()) { | 5058 if (instr->size()->IsConstantOperand()) { |
5059 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5059 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
5060 CHECK(size <= Page::kMaxRegularHeapObjectSize); | 5060 CHECK(size <= kMaxRegularHeapObjectSize); |
5061 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); | 5061 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); |
5062 } else { | 5062 } else { |
5063 Register size = ToRegister(instr->size()); | 5063 Register size = ToRegister(instr->size()); |
5064 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); | 5064 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); |
5065 } | 5065 } |
5066 | 5066 |
5067 __ bind(deferred->exit()); | 5067 __ bind(deferred->exit()); |
5068 | 5068 |
5069 if (instr->hydrogen()->MustPrefillWithFiller()) { | 5069 if (instr->hydrogen()->MustPrefillWithFiller()) { |
5070 STATIC_ASSERT(kHeapObjectTag == 1); | 5070 STATIC_ASSERT(kHeapObjectTag == 1); |
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5152 AllocationFlags flags = ALLOCATION_FOLDED; | 5152 AllocationFlags flags = ALLOCATION_FOLDED; |
5153 if (instr->hydrogen()->MustAllocateDoubleAligned()) { | 5153 if (instr->hydrogen()->MustAllocateDoubleAligned()) { |
5154 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); | 5154 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); |
5155 } | 5155 } |
5156 if (instr->hydrogen()->IsOldSpaceAllocation()) { | 5156 if (instr->hydrogen()->IsOldSpaceAllocation()) { |
5157 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); | 5157 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); |
5158 flags = static_cast<AllocationFlags>(flags | PRETENURE); | 5158 flags = static_cast<AllocationFlags>(flags | PRETENURE); |
5159 } | 5159 } |
5160 if (instr->size()->IsConstantOperand()) { | 5160 if (instr->size()->IsConstantOperand()) { |
5161 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5161 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
5162 CHECK(size <= Page::kMaxRegularHeapObjectSize); | 5162 CHECK(size <= kMaxRegularHeapObjectSize); |
5163 __ FastAllocate(size, result, scratch1, scratch2, flags); | 5163 __ FastAllocate(size, result, scratch1, scratch2, flags); |
5164 } else { | 5164 } else { |
5165 Register size = ToRegister(instr->size()); | 5165 Register size = ToRegister(instr->size()); |
5166 __ FastAllocate(size, result, scratch1, scratch2, flags); | 5166 __ FastAllocate(size, result, scratch1, scratch2, flags); |
5167 } | 5167 } |
5168 } | 5168 } |
5169 | 5169 |
5170 | 5170 |
5171 void LCodeGen::DoTypeof(LTypeof* instr) { | 5171 void LCodeGen::DoTypeof(LTypeof* instr) { |
5172 DCHECK(ToRegister(instr->value()).is(r3)); | 5172 DCHECK(ToRegister(instr->value()).is(r3)); |
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5523 __ ldr(result, FieldMemOperand(scratch, | 5523 __ ldr(result, FieldMemOperand(scratch, |
5524 FixedArray::kHeaderSize - kPointerSize)); | 5524 FixedArray::kHeaderSize - kPointerSize)); |
5525 __ bind(deferred->exit()); | 5525 __ bind(deferred->exit()); |
5526 __ bind(&done); | 5526 __ bind(&done); |
5527 } | 5527 } |
5528 | 5528 |
5529 #undef __ | 5529 #undef __ |
5530 | 5530 |
5531 } // namespace internal | 5531 } // namespace internal |
5532 } // namespace v8 | 5532 } // namespace v8 |
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