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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
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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2839 __ cmp(scratch, | 2839 __ cmp(scratch, |
2840 ContextOperand(scratch2, | 2840 ContextOperand(scratch2, |
2841 Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); | 2841 Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX)); |
2842 __ j(not_equal, &runtime_call); | 2842 __ j(not_equal, &runtime_call); |
2843 | 2843 |
2844 // For FastPacked kinds, iteration will have the same effect as simply | 2844 // For FastPacked kinds, iteration will have the same effect as simply |
2845 // accessing each property in order. | 2845 // accessing each property in order. |
2846 Label no_protector_check; | 2846 Label no_protector_check; |
2847 __ mov(scratch, FieldOperand(spread_map, Map::kBitField2Offset)); | 2847 __ mov(scratch, FieldOperand(spread_map, Map::kBitField2Offset)); |
2848 __ DecodeField<Map::ElementsKindBits>(scratch); | 2848 __ DecodeField<Map::ElementsKindBits>(scratch); |
2849 __ cmp(scratch, Immediate(LAST_FAST_ELEMENTS_KIND)); | 2849 __ cmp(scratch, Immediate(FAST_HOLEY_ELEMENTS)); |
2850 __ j(above, &runtime_call); | 2850 __ j(above, &runtime_call); |
2851 // For non-FastHoley kinds, we can skip the protector check. | 2851 // For non-FastHoley kinds, we can skip the protector check. |
2852 __ cmp(scratch, Immediate(FAST_SMI_ELEMENTS)); | 2852 __ cmp(scratch, Immediate(FAST_SMI_ELEMENTS)); |
2853 __ j(equal, &no_protector_check); | 2853 __ j(equal, &no_protector_check); |
2854 __ cmp(scratch, Immediate(FAST_ELEMENTS)); | 2854 __ cmp(scratch, Immediate(FAST_ELEMENTS)); |
2855 __ j(equal, &no_protector_check); | 2855 __ j(equal, &no_protector_check); |
2856 __ cmp(scratch, Immediate(FAST_DOUBLE_ELEMENTS)); | |
2857 __ j(equal, &no_protector_check); | |
2858 // Check the ArrayProtector cell. | 2856 // Check the ArrayProtector cell. |
2859 __ LoadRoot(scratch, Heap::kArrayProtectorRootIndex); | 2857 __ LoadRoot(scratch, Heap::kArrayProtectorRootIndex); |
2860 __ cmp(FieldOperand(scratch, PropertyCell::kValueOffset), | 2858 __ cmp(FieldOperand(scratch, PropertyCell::kValueOffset), |
2861 Immediate(Smi::FromInt(Isolate::kProtectorValid))); | 2859 Immediate(Smi::FromInt(Isolate::kProtectorValid))); |
2862 __ j(not_equal, &runtime_call); | 2860 __ j(not_equal, &runtime_call); |
2863 | 2861 |
2864 __ bind(&no_protector_check); | 2862 __ bind(&no_protector_check); |
2865 // Load the FixedArray backing store. | 2863 // Load the FixedArray backing store. |
2866 __ mov(spread, FieldOperand(spread, JSArray::kElementsOffset)); | 2864 __ mov(spread, FieldOperand(spread, JSArray::kElementsOffset)); |
2867 // Free up some registers. | 2865 // Free up some registers. |
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3264 | 3262 |
3265 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { | 3263 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { |
3266 Generate_OnStackReplacementHelper(masm, true); | 3264 Generate_OnStackReplacementHelper(masm, true); |
3267 } | 3265 } |
3268 | 3266 |
3269 #undef __ | 3267 #undef __ |
3270 } // namespace internal | 3268 } // namespace internal |
3271 } // namespace v8 | 3269 } // namespace v8 |
3272 | 3270 |
3273 #endif // V8_TARGET_ARCH_IA32 | 3271 #endif // V8_TARGET_ARCH_IA32 |
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