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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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89 // Construct the IC structure with the given number of extra | 89 // Construct the IC structure with the given number of extra |
90 // JavaScript frames on the stack. | 90 // JavaScript frames on the stack. |
91 IC(FrameDepth depth, Isolate* isolate); | 91 IC(FrameDepth depth, Isolate* isolate); |
92 virtual ~IC() {} | 92 virtual ~IC() {} |
93 | 93 |
94 State state() const { return state_; } | 94 State state() const { return state_; } |
95 inline Address address() const; | 95 inline Address address() const; |
96 | 96 |
97 // Compute the current IC state based on the target stub, receiver and name. | 97 // Compute the current IC state based on the target stub, receiver and name. |
98 void UpdateState(Handle<Object> receiver, Handle<Object> name); | 98 void UpdateState(Handle<Object> receiver, Handle<Object> name); |
99 void MarkMonomorphicPrototypeFailure() { | 99 |
100 state_ = MONOMORPHIC_PROTOTYPE_FAILURE; | 100 bool IsNameCompatibleWithMonomorphicPrototypeFailure(Handle<Object> name); |
| 101 bool TryMarkMonomorphicPrototypeFailure(Handle<Object> name) { |
| 102 if (IsNameCompatibleWithMonomorphicPrototypeFailure(name)) { |
| 103 state_ = MONOMORPHIC_PROTOTYPE_FAILURE; |
| 104 return true; |
| 105 } |
| 106 return false; |
101 } | 107 } |
102 | 108 |
103 // Clear the inline cache to initial state. | 109 // Clear the inline cache to initial state. |
104 static void Clear(Isolate* isolate, | 110 static void Clear(Isolate* isolate, |
105 Address address, | 111 Address address, |
106 ConstantPoolArray* constant_pool); | 112 ConstantPoolArray* constant_pool); |
107 | 113 |
108 #ifdef DEBUG | 114 #ifdef DEBUG |
109 bool IsLoadStub() const { | 115 bool IsLoadStub() const { |
110 return target()->is_load_stub() || target()->is_keyed_load_stub(); | 116 return target()->is_load_stub() || target()->is_keyed_load_stub(); |
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927 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); | 933 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); |
928 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss); | 934 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss); |
929 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_MissWithAllocationSite); | 935 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_MissWithAllocationSite); |
930 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); | 936 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); |
931 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); | 937 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); |
932 | 938 |
933 | 939 |
934 } } // namespace v8::internal | 940 } } // namespace v8::internal |
935 | 941 |
936 #endif // V8_IC_H_ | 942 #endif // V8_IC_H_ |
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