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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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4962 PrepareCallCFunction(3); | 4962 PrepareCallCFunction(3); |
4963 movq(arg_reg_2, object); | 4963 movq(arg_reg_2, object); |
4964 movq(arg_reg_3, Immediate(object_size)); | 4964 movq(arg_reg_3, Immediate(object_size)); |
4965 movq(arg_reg_1, isolate, RelocInfo::EXTERNAL_REFERENCE); | 4965 movq(arg_reg_1, isolate, RelocInfo::EXTERNAL_REFERENCE); |
4966 CallCFunction( | 4966 CallCFunction( |
4967 ExternalReference::record_object_allocation_function(isolate), 3); | 4967 ExternalReference::record_object_allocation_function(isolate), 3); |
4968 PopSafepointRegisters(); | 4968 PopSafepointRegisters(); |
4969 } | 4969 } |
4970 | 4970 |
4971 | 4971 |
| 4972 void MacroAssembler::JumpIfDictionaryInPrototypeChain( |
| 4973 Register object, |
| 4974 Register scratch0, |
| 4975 Register scratch1, |
| 4976 Label* found) { |
| 4977 ASSERT(!(scratch0.is(kScratchRegister) && scratch1.is(kScratchRegister))); |
| 4978 ASSERT(!scratch1.is(scratch0)); |
| 4979 Register current = scratch0; |
| 4980 Label loop_again; |
| 4981 |
| 4982 movq(current, object); |
| 4983 |
| 4984 // Loop based on the map going up the prototype chain. |
| 4985 bind(&loop_again); |
| 4986 movq(current, FieldOperand(current, HeapObject::kMapOffset)); |
| 4987 movq(scratch1, FieldOperand(current, Map::kBitField2Offset)); |
| 4988 and_(scratch1, Immediate(Map::kElementsKindMask)); |
| 4989 shr(scratch1, Immediate(Map::kElementsKindShift)); |
| 4990 cmpq(scratch1, Immediate(DICTIONARY_ELEMENTS)); |
| 4991 j(equal, found); |
| 4992 movq(current, FieldOperand(current, Map::kPrototypeOffset)); |
| 4993 CompareRoot(current, Heap::kNullValueRootIndex); |
| 4994 j(not_equal, &loop_again); |
| 4995 } |
| 4996 |
| 4997 |
4972 } } // namespace v8::internal | 4998 } } // namespace v8::internal |
4973 | 4999 |
4974 #endif // V8_TARGET_ARCH_X64 | 5000 #endif // V8_TARGET_ARCH_X64 |
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