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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 6 | 6 |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
| 9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
| 10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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| 2880 __ cmp(scratch, | 2880 __ cmp(scratch, |
| 2881 ContextOperand(scratch2, | 2881 ContextOperand(scratch2, |
| 2882 Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); | 2882 Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); |
| 2883 __ j(not_equal, &runtime_call); | 2883 __ j(not_equal, &runtime_call); |
| 2884 | 2884 |
| 2885 // For FastPacked kinds, iteration will have the same effect as simply | 2885 // For FastPacked kinds, iteration will have the same effect as simply |
| 2886 // accessing each property in order. | 2886 // accessing each property in order. |
| 2887 Label no_protector_check; | 2887 Label no_protector_check; |
| 2888 __ mov(scratch, FieldOperand(spread_map, Map::kBitField2Offset)); | 2888 __ mov(scratch, FieldOperand(spread_map, Map::kBitField2Offset)); |
| 2889 __ DecodeField<Map::ElementsKindBits>(scratch); | 2889 __ DecodeField<Map::ElementsKindBits>(scratch); |
| 2890 __ cmp(scratch, Immediate(LAST_FAST_ELEMENTS_KIND)); | 2890 __ cmp(scratch, Immediate(FAST_HOLEY_ELEMENTS)); |
| 2891 __ j(above, &runtime_call); | 2891 __ j(above, &runtime_call); |
| 2892 // For non-FastHoley kinds, we can skip the protector check. | 2892 // For non-FastHoley kinds, we can skip the protector check. |
| 2893 __ cmp(scratch, Immediate(FAST_SMI_ELEMENTS)); | 2893 __ cmp(scratch, Immediate(FAST_SMI_ELEMENTS)); |
| 2894 __ j(equal, &no_protector_check); | 2894 __ j(equal, &no_protector_check); |
| 2895 __ cmp(scratch, Immediate(FAST_ELEMENTS)); | 2895 __ cmp(scratch, Immediate(FAST_ELEMENTS)); |
| 2896 __ j(equal, &no_protector_check); | 2896 __ j(equal, &no_protector_check); |
| 2897 __ cmp(scratch, Immediate(FAST_DOUBLE_ELEMENTS)); | |
| 2898 __ j(equal, &no_protector_check); | |
| 2899 // Check the ArrayProtector cell. | 2897 // Check the ArrayProtector cell. |
| 2900 __ LoadRoot(scratch, Heap::kArrayProtectorRootIndex); | 2898 __ LoadRoot(scratch, Heap::kArrayProtectorRootIndex); |
| 2901 __ cmp(FieldOperand(scratch, PropertyCell::kValueOffset), | 2899 __ cmp(FieldOperand(scratch, PropertyCell::kValueOffset), |
| 2902 Immediate(Smi::FromInt(Isolate::kProtectorValid))); | 2900 Immediate(Smi::FromInt(Isolate::kProtectorValid))); |
| 2903 __ j(not_equal, &runtime_call); | 2901 __ j(not_equal, &runtime_call); |
| 2904 | 2902 |
| 2905 __ bind(&no_protector_check); | 2903 __ bind(&no_protector_check); |
| 2906 // Load the FixedArray backing store. | 2904 // Load the FixedArray backing store. |
| 2907 __ mov(spread, FieldOperand(spread, JSArray::kElementsOffset)); | 2905 __ mov(spread, FieldOperand(spread, JSArray::kElementsOffset)); |
| 2908 // Free up some registers. | 2906 // Free up some registers. |
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| 3324 | 3322 |
| 3325 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { | 3323 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { |
| 3326 Generate_OnStackReplacementHelper(masm, true); | 3324 Generate_OnStackReplacementHelper(masm, true); |
| 3327 } | 3325 } |
| 3328 | 3326 |
| 3329 #undef __ | 3327 #undef __ |
| 3330 } // namespace internal | 3328 } // namespace internal |
| 3331 } // namespace v8 | 3329 } // namespace v8 |
| 3332 | 3330 |
| 3333 #endif // V8_TARGET_ARCH_X87 | 3331 #endif // V8_TARGET_ARCH_X87 |
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