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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
| 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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| 2918 __ movp(rcx, FieldOperand(rcx, HeapObject::kMapOffset)); | 2918 __ movp(rcx, FieldOperand(rcx, HeapObject::kMapOffset)); |
| 2919 __ cmpp(rcx, ContextOperand( | 2919 __ cmpp(rcx, ContextOperand( |
| 2920 r14, Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); | 2920 r14, Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); |
| 2921 __ j(not_equal, &runtime_call); | 2921 __ j(not_equal, &runtime_call); |
| 2922 | 2922 |
| 2923 // For FastPacked kinds, iteration will have the same effect as simply | 2923 // For FastPacked kinds, iteration will have the same effect as simply |
| 2924 // accessing each property in order. | 2924 // accessing each property in order. |
| 2925 Label no_protector_check; | 2925 Label no_protector_check; |
| 2926 __ movzxbp(rcx, FieldOperand(r15, Map::kBitField2Offset)); | 2926 __ movzxbp(rcx, FieldOperand(r15, Map::kBitField2Offset)); |
| 2927 __ DecodeField<Map::ElementsKindBits>(rcx); | 2927 __ DecodeField<Map::ElementsKindBits>(rcx); |
| 2928 __ cmpp(rcx, Immediate(LAST_FAST_ELEMENTS_KIND)); | 2928 __ cmpp(rcx, Immediate(FAST_HOLEY_ELEMENTS)); |
| 2929 __ j(above, &runtime_call); | 2929 __ j(above, &runtime_call); |
| 2930 // For non-FastHoley kinds, we can skip the protector check. | 2930 // For non-FastHoley kinds, we can skip the protector check. |
| 2931 __ cmpp(rcx, Immediate(FAST_SMI_ELEMENTS)); | 2931 __ cmpp(rcx, Immediate(FAST_SMI_ELEMENTS)); |
| 2932 __ j(equal, &no_protector_check); | 2932 __ j(equal, &no_protector_check); |
| 2933 __ cmpp(rcx, Immediate(FAST_ELEMENTS)); | 2933 __ cmpp(rcx, Immediate(FAST_ELEMENTS)); |
| 2934 __ j(equal, &no_protector_check); | 2934 __ j(equal, &no_protector_check); |
| 2935 __ cmpp(rcx, Immediate(FAST_DOUBLE_ELEMENTS)); | |
| 2936 __ j(equal, &no_protector_check); | |
| 2937 // Check the ArrayProtector cell. | 2935 // Check the ArrayProtector cell. |
| 2938 __ LoadRoot(rcx, Heap::kArrayProtectorRootIndex); | 2936 __ LoadRoot(rcx, Heap::kArrayProtectorRootIndex); |
| 2939 __ Cmp(FieldOperand(rcx, PropertyCell::kValueOffset), | 2937 __ Cmp(FieldOperand(rcx, PropertyCell::kValueOffset), |
| 2940 Smi::FromInt(Isolate::kProtectorValid)); | 2938 Smi::FromInt(Isolate::kProtectorValid)); |
| 2941 __ j(not_equal, &runtime_call); | 2939 __ j(not_equal, &runtime_call); |
| 2942 | 2940 |
| 2943 __ bind(&no_protector_check); | 2941 __ bind(&no_protector_check); |
| 2944 // Load the FixedArray backing store. | 2942 // Load the FixedArray backing store. |
| 2945 __ movp(rbx, FieldOperand(rbx, JSArray::kElementsOffset)); | 2943 __ movp(rbx, FieldOperand(rbx, JSArray::kElementsOffset)); |
| 2946 __ jmp(&push_args); | 2944 __ jmp(&push_args); |
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| 3176 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { | 3174 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { |
| 3177 Generate_OnStackReplacementHelper(masm, true); | 3175 Generate_OnStackReplacementHelper(masm, true); |
| 3178 } | 3176 } |
| 3179 | 3177 |
| 3180 #undef __ | 3178 #undef __ |
| 3181 | 3179 |
| 3182 } // namespace internal | 3180 } // namespace internal |
| 3183 } // namespace v8 | 3181 } // namespace v8 |
| 3184 | 3182 |
| 3185 #endif // V8_TARGET_ARCH_X64 | 3183 #endif // V8_TARGET_ARCH_X64 |
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