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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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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_IC_H_ | 28 #ifndef V8_IC_H_ |
29 #define V8_IC_H_ | 29 #define V8_IC_H_ |
30 | 30 |
31 #include "macro-assembler.h" | 31 #include "macro-assembler.h" |
32 #include "type-info.h" | |
33 | 32 |
34 namespace v8 { | 33 namespace v8 { |
35 namespace internal { | 34 namespace internal { |
36 | 35 |
37 | 36 |
| 37 const int kMaxKeyedPolymorphism = 4; |
| 38 |
| 39 |
38 // IC_UTIL_LIST defines all utility functions called from generated | 40 // IC_UTIL_LIST defines all utility functions called from generated |
39 // inline caching code. The argument for the macro, ICU, is the function name. | 41 // inline caching code. The argument for the macro, ICU, is the function name. |
40 #define IC_UTIL_LIST(ICU) \ | 42 #define IC_UTIL_LIST(ICU) \ |
41 ICU(LoadIC_Miss) \ | 43 ICU(LoadIC_Miss) \ |
42 ICU(KeyedLoadIC_Miss) \ | 44 ICU(KeyedLoadIC_Miss) \ |
43 ICU(CallIC_Miss) \ | 45 ICU(CallIC_Miss) \ |
44 ICU(KeyedCallIC_Miss) \ | 46 ICU(KeyedCallIC_Miss) \ |
45 ICU(StoreIC_Miss) \ | 47 ICU(StoreIC_Miss) \ |
46 ICU(StoreIC_ArrayLength) \ | 48 ICU(StoreIC_ArrayLength) \ |
47 ICU(StoreIC_Slow) \ | 49 ICU(StoreIC_Slow) \ |
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289 | 291 |
290 Address address() const { return address_; } | 292 Address address() const { return address_; } |
291 | 293 |
292 IC::UtilityId id() const { return id_; } | 294 IC::UtilityId id() const { return id_; } |
293 private: | 295 private: |
294 Address address_; | 296 Address address_; |
295 IC::UtilityId id_; | 297 IC::UtilityId id_; |
296 }; | 298 }; |
297 | 299 |
298 | 300 |
| 301 enum StringStubFeedback { |
| 302 DEFAULT_STRING_STUB = 0, |
| 303 STRING_INDEX_OUT_OF_BOUNDS = 1 |
| 304 }; |
| 305 |
| 306 |
299 class CallICBase: public IC { | 307 class CallICBase: public IC { |
300 public: | 308 public: |
301 // ExtraICState bits | 309 // ExtraICState bits |
302 class Contextual: public BitField<ContextualMode, 0, 1> {}; | 310 class Contextual: public BitField<ContextualMode, 0, 1> {}; |
303 class StringStubState: public BitField<StringStubFeedback, 1, 1> {}; | 311 class StringStubState: public BitField<StringStubFeedback, 1, 1> {}; |
304 static ExtraICState ComputeExtraICState(ContextualMode mode, | 312 static ExtraICState ComputeExtraICState(ContextualMode mode, |
305 StringStubFeedback feedback) { | 313 StringStubFeedback feedback) { |
306 return Contextual::encode(mode) | StringStubState::encode(feedback); | 314 return Contextual::encode(mode) | StringStubState::encode(feedback); |
307 } | 315 } |
308 | 316 |
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1028 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedCallIC_MissFromStubFailure); | 1036 DECLARE_RUNTIME_FUNCTION(MaybeObject*, KeyedCallIC_MissFromStubFailure); |
1029 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); | 1037 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ElementsTransitionAndStoreIC_Miss); |
1030 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss); | 1038 DECLARE_RUNTIME_FUNCTION(MaybeObject*, BinaryOpIC_Miss); |
1031 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); | 1039 DECLARE_RUNTIME_FUNCTION(MaybeObject*, CompareNilIC_Miss); |
1032 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); | 1040 DECLARE_RUNTIME_FUNCTION(MaybeObject*, ToBooleanIC_Miss); |
1033 | 1041 |
1034 | 1042 |
1035 } } // namespace v8::internal | 1043 } } // namespace v8::internal |
1036 | 1044 |
1037 #endif // V8_IC_H_ | 1045 #endif // V8_IC_H_ |
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