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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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70 __ ldr(r3, FieldMemOperand(t0, Map::kInstanceAttributesOffset)); | 70 __ ldr(r3, FieldMemOperand(t0, Map::kInstanceAttributesOffset)); |
71 __ tst(r3, Operand(1 << (Map::kHasNamedInterceptor + (3 * 8)))); | 71 __ tst(r3, Operand(1 << (Map::kHasNamedInterceptor + (3 * 8)))); |
72 // Jump to miss if the interceptor bit is set. | 72 // Jump to miss if the interceptor bit is set. |
73 __ b(ne, miss); | 73 __ b(ne, miss); |
74 | 74 |
75 // Bail out if we have a JS global proxy object. | 75 // Bail out if we have a JS global proxy object. |
76 __ ldrb(r3, FieldMemOperand(t0, Map::kInstanceTypeOffset)); | 76 __ ldrb(r3, FieldMemOperand(t0, Map::kInstanceTypeOffset)); |
77 __ cmp(r3, Operand(JS_GLOBAL_PROXY_TYPE)); | 77 __ cmp(r3, Operand(JS_GLOBAL_PROXY_TYPE)); |
78 __ b(eq, miss); | 78 __ b(eq, miss); |
79 | 79 |
| 80 // Possible work-around for http://crbug.com/16276. |
| 81 __ cmp(r3, Operand(JS_GLOBAL_OBJECT_TYPE)); |
| 82 __ b(eq, miss); |
| 83 __ cmp(r3, Operand(JS_BUILTINS_OBJECT_TYPE)); |
| 84 __ b(eq, miss); |
| 85 |
80 // Check that the properties array is a dictionary. | 86 // Check that the properties array is a dictionary. |
81 __ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset)); | 87 __ ldr(t0, FieldMemOperand(t1, JSObject::kPropertiesOffset)); |
82 __ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset)); | 88 __ ldr(r3, FieldMemOperand(t0, HeapObject::kMapOffset)); |
83 __ cmp(r3, Operand(Factory::hash_table_map())); | 89 __ cmp(r3, Operand(Factory::hash_table_map())); |
84 __ b(ne, miss); | 90 __ b(ne, miss); |
85 | 91 |
86 // Compute the capacity mask. | 92 // Compute the capacity mask. |
87 const int kCapacityOffset = | 93 const int kCapacityOffset = |
88 Array::kHeaderSize + StringDictionary::kCapacityIndex * kPointerSize; | 94 Array::kHeaderSize + StringDictionary::kCapacityIndex * kPointerSize; |
89 __ ldr(r3, FieldMemOperand(t0, kCapacityOffset)); | 95 __ ldr(r3, FieldMemOperand(t0, kCapacityOffset)); |
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801 | 807 |
802 // Perform tail call to the entry. | 808 // Perform tail call to the entry. |
803 __ TailCallRuntime(f, 3); | 809 __ TailCallRuntime(f, 3); |
804 } | 810 } |
805 | 811 |
806 | 812 |
807 #undef __ | 813 #undef __ |
808 | 814 |
809 | 815 |
810 } } // namespace v8::internal | 816 } } // namespace v8::internal |
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