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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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3006 // Calculate location of the first key name. | 3006 // Calculate location of the first key name. |
3007 __ add(r4, r4, Operand(DescriptorArray::kFirstOffset - kHeapObjectTag)); | 3007 __ add(r4, r4, Operand(DescriptorArray::kFirstOffset - kHeapObjectTag)); |
3008 // Calculate the end of the descriptor array. | 3008 // Calculate the end of the descriptor array. |
3009 __ mov(r2, r4); | 3009 __ mov(r2, r4); |
3010 __ add(r2, r2, Operand::PointerOffsetFromSmiKey(r3)); | 3010 __ add(r2, r2, Operand::PointerOffsetFromSmiKey(r3)); |
3011 | 3011 |
3012 // Loop through all the keys in the descriptor array. If one of these is the | 3012 // Loop through all the keys in the descriptor array. If one of these is the |
3013 // string "valueOf" the result is false. | 3013 // string "valueOf" the result is false. |
3014 // The use of ip to store the valueOf string assumes that it is not otherwise | 3014 // The use of ip to store the valueOf string assumes that it is not otherwise |
3015 // used in the loop below. | 3015 // used in the loop below. |
3016 __ mov(ip, Operand(FACTORY->value_of_string())); | 3016 __ mov(ip, Operand(isolate()->factory()->value_of_string())); |
3017 __ jmp(&entry); | 3017 __ jmp(&entry); |
3018 __ bind(&loop); | 3018 __ bind(&loop); |
3019 __ ldr(r3, MemOperand(r4, 0)); | 3019 __ ldr(r3, MemOperand(r4, 0)); |
3020 __ cmp(r3, ip); | 3020 __ cmp(r3, ip); |
3021 __ b(eq, if_false); | 3021 __ b(eq, if_false); |
3022 __ add(r4, r4, Operand(DescriptorArray::kDescriptorSize * kPointerSize)); | 3022 __ add(r4, r4, Operand(DescriptorArray::kDescriptorSize * kPointerSize)); |
3023 __ bind(&entry); | 3023 __ bind(&entry); |
3024 __ cmp(r4, Operand(r2)); | 3024 __ cmp(r4, Operand(r2)); |
3025 __ b(ne, &loop); | 3025 __ b(ne, &loop); |
3026 | 3026 |
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4877 *context_length = 0; | 4877 *context_length = 0; |
4878 return previous_; | 4878 return previous_; |
4879 } | 4879 } |
4880 | 4880 |
4881 | 4881 |
4882 #undef __ | 4882 #undef __ |
4883 | 4883 |
4884 } } // namespace v8::internal | 4884 } } // namespace v8::internal |
4885 | 4885 |
4886 #endif // V8_TARGET_ARCH_ARM | 4886 #endif // V8_TARGET_ARCH_ARM |
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