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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 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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4557 isolate()->factory()->empty_fixed_array()); | 4557 isolate()->factory()->empty_fixed_array()); |
4558 __ mov(FieldOperand(edi, JSArray::kElementsOffset), edx); | 4558 __ mov(FieldOperand(edi, JSArray::kElementsOffset), edx); |
4559 __ mov(FieldOperand(edi, JSArray::kLengthOffset), eax); | 4559 __ mov(FieldOperand(edi, JSArray::kLengthOffset), eax); |
4560 STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize); | 4560 STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize); |
4561 __ mov(eax, edi); | 4561 __ mov(eax, edi); |
4562 __ Ret(); | 4562 __ Ret(); |
4563 | 4563 |
4564 // Fall back to %AllocateInNewSpace (if not too big). | 4564 // Fall back to %AllocateInNewSpace (if not too big). |
4565 Label too_big_for_new_space; | 4565 Label too_big_for_new_space; |
4566 __ bind(&allocate); | 4566 __ bind(&allocate); |
4567 __ cmp(ecx, Immediate(Page::kMaxRegularHeapObjectSize)); | 4567 __ cmp(ecx, Immediate(kMaxRegularHeapObjectSize)); |
4568 __ j(greater, &too_big_for_new_space); | 4568 __ j(greater, &too_big_for_new_space); |
4569 { | 4569 { |
4570 FrameScope scope(masm, StackFrame::INTERNAL); | 4570 FrameScope scope(masm, StackFrame::INTERNAL); |
4571 __ SmiTag(ecx); | 4571 __ SmiTag(ecx); |
4572 __ Push(eax); | 4572 __ Push(eax); |
4573 __ Push(ebx); | 4573 __ Push(ebx); |
4574 __ Push(ecx); | 4574 __ Push(ecx); |
4575 __ CallRuntime(Runtime::kAllocateInNewSpace); | 4575 __ CallRuntime(Runtime::kAllocateInNewSpace); |
4576 __ mov(edx, eax); | 4576 __ mov(edx, eax); |
4577 __ Pop(ebx); | 4577 __ Pop(ebx); |
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4946 isolate()->factory()->empty_fixed_array()); | 4946 isolate()->factory()->empty_fixed_array()); |
4947 __ mov(FieldOperand(edi, JSStrictArgumentsObject::kElementsOffset), edx); | 4947 __ mov(FieldOperand(edi, JSStrictArgumentsObject::kElementsOffset), edx); |
4948 __ mov(FieldOperand(edi, JSStrictArgumentsObject::kLengthOffset), eax); | 4948 __ mov(FieldOperand(edi, JSStrictArgumentsObject::kLengthOffset), eax); |
4949 STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize); | 4949 STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize); |
4950 __ mov(eax, edi); | 4950 __ mov(eax, edi); |
4951 __ Ret(); | 4951 __ Ret(); |
4952 | 4952 |
4953 // Fall back to %AllocateInNewSpace (if not too big). | 4953 // Fall back to %AllocateInNewSpace (if not too big). |
4954 Label too_big_for_new_space; | 4954 Label too_big_for_new_space; |
4955 __ bind(&allocate); | 4955 __ bind(&allocate); |
4956 __ cmp(ecx, Immediate(Page::kMaxRegularHeapObjectSize)); | 4956 __ cmp(ecx, Immediate(kMaxRegularHeapObjectSize)); |
4957 __ j(greater, &too_big_for_new_space); | 4957 __ j(greater, &too_big_for_new_space); |
4958 { | 4958 { |
4959 FrameScope scope(masm, StackFrame::INTERNAL); | 4959 FrameScope scope(masm, StackFrame::INTERNAL); |
4960 __ SmiTag(ecx); | 4960 __ SmiTag(ecx); |
4961 __ Push(eax); | 4961 __ Push(eax); |
4962 __ Push(ebx); | 4962 __ Push(ebx); |
4963 __ Push(ecx); | 4963 __ Push(ecx); |
4964 __ CallRuntime(Runtime::kAllocateInNewSpace); | 4964 __ CallRuntime(Runtime::kAllocateInNewSpace); |
4965 __ mov(edx, eax); | 4965 __ mov(edx, eax); |
4966 __ Pop(ebx); | 4966 __ Pop(ebx); |
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5486 kStackUnwindSpace, nullptr, return_value_operand, | 5486 kStackUnwindSpace, nullptr, return_value_operand, |
5487 NULL); | 5487 NULL); |
5488 } | 5488 } |
5489 | 5489 |
5490 #undef __ | 5490 #undef __ |
5491 | 5491 |
5492 } // namespace internal | 5492 } // namespace internal |
5493 } // namespace v8 | 5493 } // namespace v8 |
5494 | 5494 |
5495 #endif // V8_TARGET_ARCH_IA32 | 5495 #endif // V8_TARGET_ARCH_IA32 |
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