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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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660 __ j(equal, &miss); | 660 __ j(equal, &miss); |
661 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); | 661 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); |
662 __ ret(0); | 662 __ ret(0); |
663 | 663 |
664 __ bind(&miss); | 664 __ bind(&miss); |
665 PropertyAccessCompiler::TailCallBuiltin( | 665 PropertyAccessCompiler::TailCallBuiltin( |
666 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); | 666 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); |
667 } | 667 } |
668 | 668 |
669 | 669 |
670 void LoadIndexedInterceptorStub::Generate(MacroAssembler* masm) { | |
671 // Return address is on the stack. | |
672 Label slow; | |
673 | |
674 Register receiver = LoadDescriptor::ReceiverRegister(); | |
675 Register key = LoadDescriptor::NameRegister(); | |
676 Register scratch = eax; | |
677 DCHECK(!scratch.is(receiver) && !scratch.is(key)); | |
678 | |
679 // Check that the key is an array index, that is Uint32. | |
680 __ test(key, Immediate(kSmiTagMask | kSmiSignMask)); | |
681 __ j(not_zero, &slow); | |
682 | |
683 // Everything is fine, call runtime. | |
684 __ pop(scratch); | |
685 __ push(receiver); // receiver | |
686 __ push(key); // key | |
687 __ push(scratch); // return address | |
688 | |
689 // Perform tail call to the entry. | |
690 __ TailCallRuntime(Runtime::kLoadElementWithInterceptor); | |
691 | |
692 __ bind(&slow); | |
693 PropertyAccessCompiler::TailCallBuiltin( | |
694 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC)); | |
695 } | |
696 | |
697 | |
698 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { | 670 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { |
699 // Return address is on the stack. | 671 // Return address is on the stack. |
700 Label miss; | 672 Label miss; |
701 | 673 |
702 Register receiver = LoadDescriptor::ReceiverRegister(); | 674 Register receiver = LoadDescriptor::ReceiverRegister(); |
703 Register index = LoadDescriptor::NameRegister(); | 675 Register index = LoadDescriptor::NameRegister(); |
704 Register scratch = edi; | 676 Register scratch = edi; |
705 DCHECK(!scratch.is(receiver) && !scratch.is(index)); | 677 DCHECK(!scratch.is(receiver) && !scratch.is(index)); |
706 Register result = eax; | 678 Register result = eax; |
707 DCHECK(!result.is(scratch)); | 679 DCHECK(!result.is(scratch)); |
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5881 return_value_operand, NULL); | 5853 return_value_operand, NULL); |
5882 } | 5854 } |
5883 | 5855 |
5884 | 5856 |
5885 #undef __ | 5857 #undef __ |
5886 | 5858 |
5887 } // namespace internal | 5859 } // namespace internal |
5888 } // namespace v8 | 5860 } // namespace v8 |
5889 | 5861 |
5890 #endif // V8_TARGET_ARCH_IA32 | 5862 #endif // V8_TARGET_ARCH_IA32 |
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