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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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4838 if (is_simple_map_transition) { | 4838 if (is_simple_map_transition) { |
4839 Register new_map_reg = ToRegister(instr->new_map_temp()); | 4839 Register new_map_reg = ToRegister(instr->new_map_temp()); |
4840 __ mov(FieldOperand(object_reg, HeapObject::kMapOffset), | 4840 __ mov(FieldOperand(object_reg, HeapObject::kMapOffset), |
4841 Immediate(to_map)); | 4841 Immediate(to_map)); |
4842 // Write barrier. | 4842 // Write barrier. |
4843 ASSERT_NE(instr->temp(), NULL); | 4843 ASSERT_NE(instr->temp(), NULL); |
4844 __ RecordWriteForMap(object_reg, to_map, new_map_reg, | 4844 __ RecordWriteForMap(object_reg, to_map, new_map_reg, |
4845 ToRegister(instr->temp()), | 4845 ToRegister(instr->temp()), |
4846 kDontSaveFPRegs); | 4846 kDontSaveFPRegs); |
4847 } else { | 4847 } else { |
| 4848 ASSERT(ToRegister(instr->context()).is(esi)); |
4848 PushSafepointRegistersScope scope(this); | 4849 PushSafepointRegistersScope scope(this); |
4849 if (!object_reg.is(eax)) { | 4850 if (!object_reg.is(eax)) { |
4850 __ push(object_reg); | 4851 __ mov(eax, object_reg); |
4851 } | |
4852 LoadContextFromDeferred(instr->context()); | |
4853 if (!object_reg.is(eax)) { | |
4854 __ pop(eax); | |
4855 } | 4852 } |
4856 __ mov(ebx, to_map); | 4853 __ mov(ebx, to_map); |
4857 TransitionElementsKindStub stub(from_kind, to_kind); | 4854 TransitionElementsKindStub stub(from_kind, to_kind); |
4858 __ CallStub(&stub); | 4855 __ CallStub(&stub); |
4859 RecordSafepointWithRegisters( | 4856 RecordSafepointWithRegisters( |
4860 instr->pointer_map(), 0, Safepoint::kNoLazyDeopt); | 4857 instr->pointer_map(), 0, Safepoint::kNoLazyDeopt); |
4861 } | 4858 } |
4862 __ bind(¬_applicable); | 4859 __ bind(¬_applicable); |
4863 } | 4860 } |
4864 | 4861 |
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6431 FixedArray::kHeaderSize - kPointerSize)); | 6428 FixedArray::kHeaderSize - kPointerSize)); |
6432 __ bind(&done); | 6429 __ bind(&done); |
6433 } | 6430 } |
6434 | 6431 |
6435 | 6432 |
6436 #undef __ | 6433 #undef __ |
6437 | 6434 |
6438 } } // namespace v8::internal | 6435 } } // namespace v8::internal |
6439 | 6436 |
6440 #endif // V8_TARGET_ARCH_IA32 | 6437 #endif // V8_TARGET_ARCH_IA32 |
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