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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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50 ICU(KeyedStoreIC_Miss) \ | 50 ICU(KeyedStoreIC_Miss) \ |
51 ICU(KeyedStoreIC_MissForceGeneric) \ | 51 ICU(KeyedStoreIC_MissForceGeneric) \ |
52 ICU(KeyedStoreIC_Slow) \ | 52 ICU(KeyedStoreIC_Slow) \ |
53 /* Utilities for IC stubs. */ \ | 53 /* Utilities for IC stubs. */ \ |
54 ICU(StoreCallbackProperty) \ | 54 ICU(StoreCallbackProperty) \ |
55 ICU(LoadPropertyWithInterceptorOnly) \ | 55 ICU(LoadPropertyWithInterceptorOnly) \ |
56 ICU(LoadPropertyWithInterceptorForLoad) \ | 56 ICU(LoadPropertyWithInterceptorForLoad) \ |
57 ICU(LoadPropertyWithInterceptorForCall) \ | 57 ICU(LoadPropertyWithInterceptorForCall) \ |
58 ICU(KeyedLoadPropertyWithInterceptor) \ | 58 ICU(KeyedLoadPropertyWithInterceptor) \ |
59 ICU(StoreInterceptorProperty) \ | 59 ICU(StoreInterceptorProperty) \ |
| 60 ICU(BinaryOp_Patch) \ |
60 ICU(CompareIC_Miss) \ | 61 ICU(CompareIC_Miss) \ |
61 ICU(BinaryOpIC_Miss) \ | |
62 ICU(CompareNilIC_Miss) \ | 62 ICU(CompareNilIC_Miss) \ |
63 ICU(Unreachable) \ | 63 ICU(Unreachable) \ |
64 ICU(ToBooleanIC_Miss) | 64 ICU(ToBooleanIC_Miss) |
65 // | 65 // |
66 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, | 66 // IC is the base class for LoadIC, StoreIC, CallIC, KeyedLoadIC, |
67 // and KeyedStoreIC. | 67 // and KeyedStoreIC. |
68 // | 68 // |
69 class IC { | 69 class IC { |
70 public: | 70 public: |
71 // The ids for utility called from the generated code. | 71 // The ids for utility called from the generated code. |
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728 enum TypeInfo { | 728 enum TypeInfo { |
729 UNINITIALIZED, | 729 UNINITIALIZED, |
730 SMI, | 730 SMI, |
731 INT32, | 731 INT32, |
732 NUMBER, | 732 NUMBER, |
733 ODDBALL, | 733 ODDBALL, |
734 STRING, // Only used for addition operation. | 734 STRING, // Only used for addition operation. |
735 GENERIC | 735 GENERIC |
736 }; | 736 }; |
737 | 737 |
738 explicit BinaryOpIC(Isolate* isolate) : IC(EXTRA_CALL_FRAME, isolate) { } | 738 static void StubInfoToType(int minor_key, |
| 739 Handle<Type>* left, |
| 740 Handle<Type>* right, |
| 741 Handle<Type>* result, |
| 742 Isolate* isolate); |
739 | 743 |
740 static Builtins::JavaScript TokenToJSBuiltin(Token::Value op); | 744 explicit BinaryOpIC(Isolate* isolate) : IC(NO_EXTRA_FRAME, isolate) { } |
| 745 |
| 746 void patch(Code* code); |
741 | 747 |
742 static const char* GetName(TypeInfo type_info); | 748 static const char* GetName(TypeInfo type_info); |
743 | 749 |
744 MUST_USE_RESULT MaybeObject* Transition(Handle<Object> left, | 750 static State ToState(TypeInfo type_info); |
745 Handle<Object> right); | 751 |
| 752 private: |
| 753 static Handle<Type> TypeInfoToType(TypeInfo binary_type, Isolate* isolate); |
746 }; | 754 }; |
747 | 755 |
748 | 756 |
749 class CompareIC: public IC { | 757 class CompareIC: public IC { |
750 public: | 758 public: |
751 // The type/state lattice is defined by the following inequations: | 759 // The type/state lattice is defined by the following inequations: |
752 // UNINITIALIZED < ... | 760 // UNINITIALIZED < ... |
753 // ... < GENERIC | 761 // ... < GENERIC |
754 // SMI < NUMBER | 762 // SMI < NUMBER |
755 // INTERNALIZED_STRING < STRING | 763 // INTERNALIZED_STRING < STRING |
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842 | 850 |
843 // Helper for BinaryOpIC and CompareIC. | 851 // Helper for BinaryOpIC and CompareIC. |
844 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; | 852 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; |
845 void PatchInlinedSmiCode(Address address, InlinedSmiCheck check); | 853 void PatchInlinedSmiCode(Address address, InlinedSmiCheck check); |
846 | 854 |
847 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedLoadIC_MissFromStubFailure); | 855 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedLoadIC_MissFromStubFailure); |
848 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedStoreIC_MissFromStubFailure); | 856 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedStoreIC_MissFromStubFailure); |
849 DECLARE_RUNTIME_FUNCTION(MaybeObject*, UnaryOpIC_Miss); | 857 DECLARE_RUNTIME_FUNCTION(MaybeObject*, UnaryOpIC_Miss); |
850 DECLARE_RUNTIME_FUNCTION(MaybeObject*, StoreIC_MissFromStubFailure); | 858 DECLARE_RUNTIME_FUNCTION(MaybeObject*, StoreIC_MissFromStubFailure); |
851 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); | 859 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); |
852 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss); | |
853 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); | 860 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); |
854 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); | 861 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); |
855 | 862 |
856 | 863 |
857 } } // namespace v8::internal | 864 } } // namespace v8::internal |
858 | 865 |
859 #endif // V8_IC_H_ | 866 #endif // V8_IC_H_ |
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