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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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5210 if (instr->hydrogen()->IsOldPointerSpaceAllocation()) { | 5210 if (instr->hydrogen()->IsOldPointerSpaceAllocation()) { |
5211 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation()); | 5211 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation()); |
5212 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); | 5212 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); |
5213 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); | 5213 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); |
5214 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) { | 5214 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) { |
5215 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); | 5215 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); |
5216 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE); | 5216 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE); |
5217 } | 5217 } |
5218 if (instr->size()->IsConstantOperand()) { | 5218 if (instr->size()->IsConstantOperand()) { |
5219 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); | 5219 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); |
5220 if (size <= Page::kMaxRegularHeapObjectSize) { | 5220 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); |
5221 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); | |
5222 } else { | |
5223 __ jmp(deferred->entry()); | |
5224 } | |
5225 } else { | 5221 } else { |
5226 Register size = ToRegister(instr->size()); | 5222 Register size = ToRegister(instr->size()); |
5227 __ Allocate(size, | 5223 __ Allocate(size, |
5228 result, | 5224 result, |
5229 scratch, | 5225 scratch, |
5230 scratch2, | 5226 scratch2, |
5231 deferred->entry(), | 5227 deferred->entry(), |
5232 flags); | 5228 flags); |
5233 } | 5229 } |
5234 | 5230 |
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5755 __ Subu(scratch, result, scratch); | 5751 __ Subu(scratch, result, scratch); |
5756 __ lw(result, FieldMemOperand(scratch, | 5752 __ lw(result, FieldMemOperand(scratch, |
5757 FixedArray::kHeaderSize - kPointerSize)); | 5753 FixedArray::kHeaderSize - kPointerSize)); |
5758 __ bind(&done); | 5754 __ bind(&done); |
5759 } | 5755 } |
5760 | 5756 |
5761 | 5757 |
5762 #undef __ | 5758 #undef __ |
5763 | 5759 |
5764 } } // namespace v8::internal | 5760 } } // namespace v8::internal |
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