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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
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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4617 __ sw(v0, FieldMemOperand(a3, JSArray::kElementsOffset)); | 4617 __ sw(v0, FieldMemOperand(a3, JSArray::kElementsOffset)); |
4618 __ sw(a0, FieldMemOperand(a3, JSArray::kLengthOffset)); | 4618 __ sw(a0, FieldMemOperand(a3, JSArray::kLengthOffset)); |
4619 STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize); | 4619 STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize); |
4620 __ Ret(USE_DELAY_SLOT); | 4620 __ Ret(USE_DELAY_SLOT); |
4621 __ mov(v0, a3); // In delay slot | 4621 __ mov(v0, a3); // In delay slot |
4622 | 4622 |
4623 // Fall back to %AllocateInNewSpace (if not too big). | 4623 // Fall back to %AllocateInNewSpace (if not too big). |
4624 Label too_big_for_new_space; | 4624 Label too_big_for_new_space; |
4625 __ bind(&allocate); | 4625 __ bind(&allocate); |
4626 __ Branch(&too_big_for_new_space, gt, t0, | 4626 __ Branch(&too_big_for_new_space, gt, t0, |
4627 Operand(Page::kMaxRegularHeapObjectSize)); | 4627 Operand(kMaxRegularHeapObjectSize)); |
4628 { | 4628 { |
4629 FrameScope scope(masm, StackFrame::INTERNAL); | 4629 FrameScope scope(masm, StackFrame::INTERNAL); |
4630 __ SmiTag(t0); | 4630 __ SmiTag(t0); |
4631 __ Push(a0, a2, t0); | 4631 __ Push(a0, a2, t0); |
4632 __ CallRuntime(Runtime::kAllocateInNewSpace); | 4632 __ CallRuntime(Runtime::kAllocateInNewSpace); |
4633 __ Pop(a0, a2); | 4633 __ Pop(a0, a2); |
4634 } | 4634 } |
4635 __ jmp(&done_allocate); | 4635 __ jmp(&done_allocate); |
4636 | 4636 |
4637 // Fall back to %NewStrictArguments. | 4637 // Fall back to %NewStrictArguments. |
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4961 __ sw(at, FieldMemOperand(a3, JSStrictArgumentsObject::kPropertiesOffset)); | 4961 __ sw(at, FieldMemOperand(a3, JSStrictArgumentsObject::kPropertiesOffset)); |
4962 __ sw(v0, FieldMemOperand(a3, JSStrictArgumentsObject::kElementsOffset)); | 4962 __ sw(v0, FieldMemOperand(a3, JSStrictArgumentsObject::kElementsOffset)); |
4963 __ sw(a0, FieldMemOperand(a3, JSStrictArgumentsObject::kLengthOffset)); | 4963 __ sw(a0, FieldMemOperand(a3, JSStrictArgumentsObject::kLengthOffset)); |
4964 STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize); | 4964 STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize); |
4965 __ Ret(USE_DELAY_SLOT); | 4965 __ Ret(USE_DELAY_SLOT); |
4966 __ mov(v0, a3); // In delay slot | 4966 __ mov(v0, a3); // In delay slot |
4967 | 4967 |
4968 // Fall back to %AllocateInNewSpace (if not too big). | 4968 // Fall back to %AllocateInNewSpace (if not too big). |
4969 Label too_big_for_new_space; | 4969 Label too_big_for_new_space; |
4970 __ bind(&allocate); | 4970 __ bind(&allocate); |
4971 __ Branch(&too_big_for_new_space, gt, t0, | 4971 __ Branch(&too_big_for_new_space, gt, t0, Operand(kMaxRegularHeapObjectSize)); |
4972 Operand(Page::kMaxRegularHeapObjectSize)); | |
4973 { | 4972 { |
4974 FrameScope scope(masm, StackFrame::INTERNAL); | 4973 FrameScope scope(masm, StackFrame::INTERNAL); |
4975 __ SmiTag(t0); | 4974 __ SmiTag(t0); |
4976 __ Push(a0, a2, t0); | 4975 __ Push(a0, a2, t0); |
4977 __ CallRuntime(Runtime::kAllocateInNewSpace); | 4976 __ CallRuntime(Runtime::kAllocateInNewSpace); |
4978 __ Pop(a0, a2); | 4977 __ Pop(a0, a2); |
4979 } | 4978 } |
4980 __ jmp(&done_allocate); | 4979 __ jmp(&done_allocate); |
4981 | 4980 |
4982 // Fall back to %NewStrictArguments. | 4981 // Fall back to %NewStrictArguments. |
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5404 kStackUnwindSpace, kInvalidStackOffset, | 5403 kStackUnwindSpace, kInvalidStackOffset, |
5405 return_value_operand, NULL); | 5404 return_value_operand, NULL); |
5406 } | 5405 } |
5407 | 5406 |
5408 #undef __ | 5407 #undef __ |
5409 | 5408 |
5410 } // namespace internal | 5409 } // namespace internal |
5411 } // namespace v8 | 5410 } // namespace v8 |
5412 | 5411 |
5413 #endif // V8_TARGET_ARCH_MIPS | 5412 #endif // V8_TARGET_ARCH_MIPS |
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