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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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2927 __ lea(rcx, | 2927 __ lea(rcx, |
2928 Operand( | 2928 Operand( |
2929 rbx, index.reg, index.scale, DescriptorArray::kFirstOffset)); | 2929 rbx, index.reg, index.scale, DescriptorArray::kFirstOffset)); |
2930 // Calculate location of the first key name. | 2930 // Calculate location of the first key name. |
2931 __ addq(rbx, Immediate(DescriptorArray::kFirstOffset)); | 2931 __ addq(rbx, Immediate(DescriptorArray::kFirstOffset)); |
2932 // Loop through all the keys in the descriptor array. If one of these is the | 2932 // Loop through all the keys in the descriptor array. If one of these is the |
2933 // internalized string "valueOf" the result is false. | 2933 // internalized string "valueOf" the result is false. |
2934 __ jmp(&entry); | 2934 __ jmp(&entry); |
2935 __ bind(&loop); | 2935 __ bind(&loop); |
2936 __ movq(rdx, FieldOperand(rbx, 0)); | 2936 __ movq(rdx, FieldOperand(rbx, 0)); |
2937 __ Cmp(rdx, FACTORY->value_of_string()); | 2937 __ Cmp(rdx, isolate()->factory()->value_of_string()); |
2938 __ j(equal, if_false); | 2938 __ j(equal, if_false); |
2939 __ addq(rbx, Immediate(DescriptorArray::kDescriptorSize * kPointerSize)); | 2939 __ addq(rbx, Immediate(DescriptorArray::kDescriptorSize * kPointerSize)); |
2940 __ bind(&entry); | 2940 __ bind(&entry); |
2941 __ cmpq(rbx, rcx); | 2941 __ cmpq(rbx, rcx); |
2942 __ j(not_equal, &loop); | 2942 __ j(not_equal, &loop); |
2943 | 2943 |
2944 __ bind(&done); | 2944 __ bind(&done); |
2945 // Reload map as register rbx was used as temporary above. | 2945 // Reload map as register rbx was used as temporary above. |
2946 __ movq(rbx, FieldOperand(rax, HeapObject::kMapOffset)); | 2946 __ movq(rbx, FieldOperand(rax, HeapObject::kMapOffset)); |
2947 | 2947 |
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4859 *context_length = 0; | 4859 *context_length = 0; |
4860 return previous_; | 4860 return previous_; |
4861 } | 4861 } |
4862 | 4862 |
4863 | 4863 |
4864 #undef __ | 4864 #undef __ |
4865 | 4865 |
4866 } } // namespace v8::internal | 4866 } } // namespace v8::internal |
4867 | 4867 |
4868 #endif // V8_TARGET_ARCH_X64 | 4868 #endif // V8_TARGET_ARCH_X64 |
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