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Side by Side Diff: src/x87/lithium-codegen-x87.cc

Issue 1012023002: Merge old data and pointer space. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 9 months ago
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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/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X87 7 #if V8_TARGET_ARCH_X87
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"
(...skipping 5811 matching lines...) Expand 10 before | Expand all | Expand 10 after
5822 new(zone()) DeferredAllocate(this, instr, x87_stack_); 5822 new(zone()) DeferredAllocate(this, instr, x87_stack_);
5823 5823
5824 Register result = ToRegister(instr->result()); 5824 Register result = ToRegister(instr->result());
5825 Register temp = ToRegister(instr->temp()); 5825 Register temp = ToRegister(instr->temp());
5826 5826
5827 // Allocate memory for the object. 5827 // Allocate memory for the object.
5828 AllocationFlags flags = TAG_OBJECT; 5828 AllocationFlags flags = TAG_OBJECT;
5829 if (instr->hydrogen()->MustAllocateDoubleAligned()) { 5829 if (instr->hydrogen()->MustAllocateDoubleAligned()) {
5830 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); 5830 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT);
5831 } 5831 }
5832 if (instr->hydrogen()->IsOldPointerSpaceAllocation()) { 5832 if (instr->hydrogen()->IsOldSpaceAllocation()) {
5833 DCHECK(!instr->hydrogen()->IsOldDataSpaceAllocation());
5834 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); 5833 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation());
5835 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); 5834 flags = static_cast<AllocationFlags>(flags | PRETENURE);
5836 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) {
5837 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation());
5838 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE);
5839 } 5835 }
5840 5836
5841 if (instr->size()->IsConstantOperand()) { 5837 if (instr->size()->IsConstantOperand()) {
5842 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); 5838 int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
5843 if (size <= Page::kMaxRegularHeapObjectSize) { 5839 if (size <= Page::kMaxRegularHeapObjectSize) {
5844 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); 5840 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
5845 } else { 5841 } else {
5846 __ jmp(deferred->entry()); 5842 __ jmp(deferred->entry());
5847 } 5843 }
5848 } else { 5844 } else {
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
5891 __ push(Immediate(Smi::FromInt(size))); 5887 __ push(Immediate(Smi::FromInt(size)));
5892 } else { 5888 } else {
5893 // We should never get here at runtime => abort 5889 // We should never get here at runtime => abort
5894 __ int3(); 5890 __ int3();
5895 return; 5891 return;
5896 } 5892 }
5897 } 5893 }
5898 5894
5899 int flags = AllocateDoubleAlignFlag::encode( 5895 int flags = AllocateDoubleAlignFlag::encode(
5900 instr->hydrogen()->MustAllocateDoubleAligned()); 5896 instr->hydrogen()->MustAllocateDoubleAligned());
5901 if (instr->hydrogen()->IsOldPointerSpaceAllocation()) { 5897 if (instr->hydrogen()->IsOldSpaceAllocation()) {
5902 DCHECK(!instr->hydrogen()->IsOldDataSpaceAllocation());
5903 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation()); 5898 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation());
5904 flags = AllocateTargetSpace::update(flags, OLD_POINTER_SPACE); 5899 flags = AllocateTargetSpace::update(flags, OLD_SPACE);
5905 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) {
5906 DCHECK(!instr->hydrogen()->IsNewSpaceAllocation());
5907 flags = AllocateTargetSpace::update(flags, OLD_DATA_SPACE);
5908 } else { 5900 } else {
5909 flags = AllocateTargetSpace::update(flags, NEW_SPACE); 5901 flags = AllocateTargetSpace::update(flags, NEW_SPACE);
5910 } 5902 }
5911 __ push(Immediate(Smi::FromInt(flags))); 5903 __ push(Immediate(Smi::FromInt(flags)));
5912 5904
5913 CallRuntimeFromDeferred( 5905 CallRuntimeFromDeferred(
5914 Runtime::kAllocateInTargetSpace, 2, instr, instr->context()); 5906 Runtime::kAllocateInTargetSpace, 2, instr, instr->context());
5915 __ StoreToSafepointRegisterSlot(result, eax); 5907 __ StoreToSafepointRegisterSlot(result, eax);
5916 } 5908 }
5917 5909
(...skipping 469 matching lines...) Expand 10 before | Expand all | Expand 10 after
6387 CallRuntime(Runtime::kPushBlockContext, 2, instr); 6379 CallRuntime(Runtime::kPushBlockContext, 2, instr);
6388 RecordSafepoint(Safepoint::kNoLazyDeopt); 6380 RecordSafepoint(Safepoint::kNoLazyDeopt);
6389 } 6381 }
6390 6382
6391 6383
6392 #undef __ 6384 #undef __
6393 6385
6394 } } // namespace v8::internal 6386 } } // namespace v8::internal
6395 6387
6396 #endif // V8_TARGET_ARCH_X87 6388 #endif // V8_TARGET_ARCH_X87
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