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Issue 12440041: Generalizing remaining Allocate functions in the macro assemblers used in pretenuring. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 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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5664 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT); 5664 flags = static_cast<AllocationFlags>(flags | DOUBLE_ALIGNMENT);
5665 } 5665 }
5666 if (instr->size()->IsConstantOperand()) { 5666 if (instr->size()->IsConstantOperand()) {
5667 int32_t size = ToInteger32(LConstantOperand::cast(instr->size())); 5667 int32_t size = ToInteger32(LConstantOperand::cast(instr->size()));
5668 if (instr->hydrogen()->CanAllocateInOldPointerSpace()) { 5668 if (instr->hydrogen()->CanAllocateInOldPointerSpace()) {
5669 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE); 5669 flags = static_cast<AllocationFlags>(flags | PRETENURE_OLD_POINTER_SPACE);
5670 } 5670 }
5671 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags); 5671 __ Allocate(size, result, scratch, scratch2, deferred->entry(), flags);
5672 } else { 5672 } else {
5673 Register size = ToRegister(instr->size()); 5673 Register size = ToRegister(instr->size());
5674 __ AllocateInNewSpace(size, 5674 __ Allocate(size,
5675 result, 5675 result,
5676 scratch, 5676 scratch,
5677 scratch2, 5677 scratch2,
5678 deferred->entry(), 5678 deferred->entry(),
5679 flags); 5679 flags);
5680 } 5680 }
5681 5681
5682 __ bind(deferred->exit()); 5682 __ bind(deferred->exit());
5683 } 5683 }
5684 5684
5685 5685
5686 void LCodeGen::DoDeferredAllocate(LAllocate* instr) { 5686 void LCodeGen::DoDeferredAllocate(LAllocate* instr) {
5687 Register size = ToRegister(instr->size()); 5687 Register size = ToRegister(instr->size());
5688 Register result = ToRegister(instr->result()); 5688 Register result = ToRegister(instr->result());
5689 5689
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6393 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); 6393 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize));
6394 __ ldr(result, FieldMemOperand(scratch, 6394 __ ldr(result, FieldMemOperand(scratch,
6395 FixedArray::kHeaderSize - kPointerSize)); 6395 FixedArray::kHeaderSize - kPointerSize));
6396 __ bind(&done); 6396 __ bind(&done);
6397 } 6397 }
6398 6398
6399 6399
6400 #undef __ 6400 #undef __
6401 6401
6402 } } // namespace v8::internal 6402 } } // namespace v8::internal
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