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1 // Copyright 2012 the V8 project authors. All rights reserved.7 | 1 // Copyright 2012 the V8 project authors. All rights reserved.7 |
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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5584 GenerateOsrPrologue(); | 5584 GenerateOsrPrologue(); |
5585 } | 5585 } |
5586 | 5586 |
5587 | 5587 |
5588 void LCodeGen::DoForInPrepareMap(LForInPrepareMap* instr) { | 5588 void LCodeGen::DoForInPrepareMap(LForInPrepareMap* instr) { |
5589 Register result = ToRegister(instr->result()); | 5589 Register result = ToRegister(instr->result()); |
5590 Register object = ToRegister(instr->object()); | 5590 Register object = ToRegister(instr->object()); |
5591 __ And(at, object, kSmiTagMask); | 5591 __ And(at, object, kSmiTagMask); |
5592 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, at, Operand(zero_reg)); | 5592 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, at, Operand(zero_reg)); |
5593 | 5593 |
5594 STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); | 5594 STATIC_ASSERT(JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE); |
5595 __ GetObjectType(object, a1, a1); | 5595 __ GetObjectType(object, a1, a1); |
5596 DeoptimizeIf(le, instr, Deoptimizer::kNotAJavaScriptObject, a1, | 5596 DeoptimizeIf(le, instr, Deoptimizer::kNotAJavaScriptObject, a1, |
Toon Verwaest
2015/12/03 11:48:41
eq
| |
5597 Operand(LAST_JS_PROXY_TYPE)); | 5597 Operand(JS_PROXY_TYPE)); |
5598 | 5598 |
5599 Label use_cache, call_runtime; | 5599 Label use_cache, call_runtime; |
5600 DCHECK(object.is(a0)); | 5600 DCHECK(object.is(a0)); |
5601 Register null_value = t1; | 5601 Register null_value = t1; |
5602 __ LoadRoot(null_value, Heap::kNullValueRootIndex); | 5602 __ LoadRoot(null_value, Heap::kNullValueRootIndex); |
5603 __ CheckEnumCache(null_value, &call_runtime); | 5603 __ CheckEnumCache(null_value, &call_runtime); |
5604 | 5604 |
5605 __ lw(result, FieldMemOperand(object, HeapObject::kMapOffset)); | 5605 __ lw(result, FieldMemOperand(object, HeapObject::kMapOffset)); |
5606 __ Branch(&use_cache); | 5606 __ Branch(&use_cache); |
5607 | 5607 |
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5734 __ Push(at, ToRegister(instr->function())); | 5734 __ Push(at, ToRegister(instr->function())); |
5735 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5735 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5736 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5736 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5737 } | 5737 } |
5738 | 5738 |
5739 | 5739 |
5740 #undef __ | 5740 #undef __ |
5741 | 5741 |
5742 } // namespace internal | 5742 } // namespace internal |
5743 } // namespace v8 | 5743 } // namespace v8 |
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