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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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811 || Contains(ToBooleanStub::HEAP_NUMBER); | 811 || Contains(ToBooleanStub::HEAP_NUMBER); |
812 } | 812 } |
813 | 813 |
814 | 814 |
815 bool ToBooleanStub::Types::CanBeUndetectable() const { | 815 bool ToBooleanStub::Types::CanBeUndetectable() const { |
816 return Contains(ToBooleanStub::SPEC_OBJECT) | 816 return Contains(ToBooleanStub::SPEC_OBJECT) |
817 || Contains(ToBooleanStub::STRING); | 817 || Contains(ToBooleanStub::STRING); |
818 } | 818 } |
819 | 819 |
820 | 820 |
821 void ElementsTransitionAndStorePlatformStub::Generate(MacroAssembler* masm) { | |
822 Label fail; | |
823 AllocationSiteMode mode = AllocationSite::GetMode(from_, to_); | |
824 ASSERT(!IsFastHoleyElementsKind(from_) || IsFastHoleyElementsKind(to_)); | |
825 if (!FLAG_trace_elements_transitions) { | |
826 if (IsFastSmiOrObjectElementsKind(to_)) { | |
827 if (IsFastSmiOrObjectElementsKind(from_)) { | |
828 ElementsTransitionGenerator:: | |
829 GenerateMapChangeElementsTransition(masm, mode, &fail); | |
830 } else if (IsFastDoubleElementsKind(from_)) { | |
831 ASSERT(!IsFastSmiElementsKind(to_)); | |
832 ElementsTransitionGenerator::GenerateDoubleToObject(masm, mode, &fail); | |
833 } else { | |
834 UNREACHABLE(); | |
835 } | |
836 KeyedStoreStubCompiler::GenerateStoreFastElement(masm, | |
837 is_jsarray_, | |
838 to_, | |
839 store_mode_); | |
840 } else if (IsFastSmiElementsKind(from_) && | |
841 IsFastDoubleElementsKind(to_)) { | |
842 ElementsTransitionGenerator::GenerateSmiToDouble(masm, mode, &fail); | |
843 KeyedStoreStubCompiler::GenerateStoreFastDoubleElement(masm, | |
844 is_jsarray_, | |
845 store_mode_); | |
846 } else if (IsFastDoubleElementsKind(from_)) { | |
847 ASSERT(to_ == FAST_HOLEY_DOUBLE_ELEMENTS); | |
848 ElementsTransitionGenerator:: | |
849 GenerateMapChangeElementsTransition(masm, mode, &fail); | |
850 } else { | |
851 UNREACHABLE(); | |
852 } | |
853 } | |
854 masm->bind(&fail); | |
855 KeyedStoreIC::GenerateRuntimeSetProperty(masm, strict_mode_); | |
856 } | |
857 | |
858 | |
859 void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) { | 821 void StubFailureTrampolineStub::GenerateAheadOfTime(Isolate* isolate) { |
860 StubFailureTrampolineStub stub1(NOT_JS_FUNCTION_STUB_MODE); | 822 StubFailureTrampolineStub stub1(NOT_JS_FUNCTION_STUB_MODE); |
861 StubFailureTrampolineStub stub2(JS_FUNCTION_STUB_MODE); | 823 StubFailureTrampolineStub stub2(JS_FUNCTION_STUB_MODE); |
862 stub1.GetCode(isolate)->set_is_pregenerated(true); | 824 stub1.GetCode(isolate)->set_is_pregenerated(true); |
863 stub2.GetCode(isolate)->set_is_pregenerated(true); | 825 stub2.GetCode(isolate)->set_is_pregenerated(true); |
864 } | 826 } |
865 | 827 |
866 | 828 |
867 void ProfileEntryHookStub::EntryHookTrampoline(intptr_t function, | 829 void ProfileEntryHookStub::EntryHookTrampoline(intptr_t function, |
868 intptr_t stack_pointer) { | 830 intptr_t stack_pointer) { |
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922 InstallDescriptor(isolate, &stub3); | 884 InstallDescriptor(isolate, &stub3); |
923 } | 885 } |
924 | 886 |
925 InternalArrayConstructorStub::InternalArrayConstructorStub( | 887 InternalArrayConstructorStub::InternalArrayConstructorStub( |
926 Isolate* isolate) { | 888 Isolate* isolate) { |
927 InternalArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate); | 889 InternalArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate); |
928 } | 890 } |
929 | 891 |
930 | 892 |
931 } } // namespace v8::internal | 893 } } // namespace v8::internal |
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