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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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5138 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation()); | 5138 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation()); |
5139 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); | 5139 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); |
5140 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); | 5140 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); |
5141 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) { | 5141 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) { |
5142 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); | 5142 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); |
5143 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE); | 5143 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE); |
5144 } | 5144 } |
5145 | 5145 |
5146 if (instr->size()->IsConstantOperand()) { | 5146 if (instr->size()->IsConstantOperand()) { |
5147 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5147 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
5148 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); | 5148 if (size <= Page::kMaxRegularHeapObjectSize) { |
| 5149 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); |
| 5150 } else { |
| 5151 __ jmp(deferred->entry()); |
| 5152 } |
5149 } else { | 5153 } else { |
5150 Register size = ToRegister(instr->size()); | 5154 Register size = ToRegister(instr->size()); |
5151 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); | 5155 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); |
5152 } | 5156 } |
5153 | 5157 |
5154 __ bind(deferred->exit()); | 5158 __ bind(deferred->exit()); |
5155 | 5159 |
5156 if (instr->hydrogen()->MustPrefillWithFiller()) { | 5160 if (instr->hydrogen()->MustPrefillWithFiller()) { |
5157 if (instr->size()->IsConstantOperand()) { | 5161 if (instr->size()->IsConstantOperand()) { |
5158 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5162 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
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5639 FixedArray::kHeaderSize - kPointerSize)); | 5643 FixedArray::kHeaderSize - kPointerSize)); |
5640 __ bind(&done); | 5644 __ bind(&done); |
5641 } | 5645 } |
5642 | 5646 |
5643 | 5647 |
5644 #undef __ | 5648 #undef __ |
5645 | 5649 |
5646 } } // namespace v8::internal | 5650 } } // namespace v8::internal |
5647 | 5651 |
5648 #endif // V8_TARGET_ARCH_X64 | 5652 #endif // V8_TARGET_ARCH_X64 |
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