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Issue 200113002: Fix for issue 351261. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Added test. Created 6 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 // 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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5838 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation()); 5838 ASSERT(!instr->hydrogen()->IsOldDataSpaceAllocation());
5839 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); 5839 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
5840 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); 5840 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE);
5841 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) { 5841 } else if (instr->hydrogen()->IsOldDataSpaceAllocation()) {
5842 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation()); 5842 ASSERT(!instr->hydrogen()->IsNewSpaceAllocation());
5843 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE); 5843 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_DATA_SPACE);
5844 } 5844 }
5845 5845
5846 if (instr->size()->IsConstantOperand()) { 5846 if (instr->size()->IsConstantOperand()) {
5847 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); 5847 int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
5848 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); 5848 if (size <= Page::kMaxRegularHeapObjectSize) {
5849 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
5850 } else {
5851 __ jmp(deferred->entry());
5852 }
5849 } else { 5853 } else {
5850 Register size = ToRegister(instr->size()); 5854 Register size = ToRegister(instr->size());
5851 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags); 5855 __ Allocate(size, result, temp, no_reg, deferred->entry(), flags);
5852 } 5856 }
5853 5857
5854 __ bind(deferred->exit()); 5858 __ bind(deferred->exit());
5855 5859
5856 if (instr->hydrogen()->MustPrefillWithFiller()) { 5860 if (instr->hydrogen()->MustPrefillWithFiller()) {
5857 if (instr->size()->IsConstantOperand()) { 5861 if (instr->size()->IsConstantOperand()) {
5858 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); 5862 int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
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6331 FixedArray::kHeaderSize - kPointerSize)); 6335 FixedArray::kHeaderSize - kPointerSize));
6332 __ bind(&done); 6336 __ bind(&done);
6333 } 6337 }
6334 6338
6335 6339
6336 #undef __ 6340 #undef __
6337 6341
6338 } } // namespace v8::internal 6342 } } // namespace v8::internal
6339 6343
6340 #endif // V8_TARGET_ARCH_IA32 6344 #endif // V8_TARGET_ARCH_IA32
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