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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 #ifndef V8_IC_H_ | 5 #ifndef V8_IC_H_ |
| 6 #define V8_IC_H_ | 6 #define V8_IC_H_ |
| 7 | 7 |
| 8 #include "src/ic/ic-state.h" | 8 #include "src/ic/ic-state.h" |
| 9 #include "src/macro-assembler.h" | 9 #include "src/macro-assembler.h" |
| 10 #include "src/messages.h" | 10 #include "src/messages.h" |
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| 46 static void Clear(Isolate* isolate, Address address, Address constant_pool); | 46 static void Clear(Isolate* isolate, Address address, Address constant_pool); |
| 47 | 47 |
| 48 #ifdef DEBUG | 48 #ifdef DEBUG |
| 49 bool IsLoadStub() const { | 49 bool IsLoadStub() const { |
| 50 return kind_ == Code::LOAD_IC || kind_ == Code::LOAD_GLOBAL_IC || | 50 return kind_ == Code::LOAD_IC || kind_ == Code::LOAD_GLOBAL_IC || |
| 51 kind_ == Code::KEYED_LOAD_IC; | 51 kind_ == Code::KEYED_LOAD_IC; |
| 52 } | 52 } |
| 53 bool IsStoreStub() const { | 53 bool IsStoreStub() const { |
| 54 return kind_ == Code::STORE_IC || kind_ == Code::KEYED_STORE_IC; | 54 return kind_ == Code::STORE_IC || kind_ == Code::KEYED_STORE_IC; |
| 55 } | 55 } |
| 56 bool IsCallStub() const { return kind_ == Code::CALL_IC; } | |
| 57 #endif | 56 #endif |
| 58 | 57 |
| 59 static inline Handle<Map> GetHandlerCacheHolder(Handle<Map> receiver_map, | 58 static inline Handle<Map> GetHandlerCacheHolder(Handle<Map> receiver_map, |
| 60 bool receiver_is_holder, | 59 bool receiver_is_holder, |
| 61 Isolate* isolate, | 60 Isolate* isolate, |
| 62 CacheHolderFlag* flag); | 61 CacheHolderFlag* flag); |
| 63 static inline Handle<Map> GetICCacheHolder(Handle<Map> receiver_map, | 62 static inline Handle<Map> GetICCacheHolder(Handle<Map> receiver_map, |
| 64 Isolate* isolate, | 63 Isolate* isolate, |
| 65 CacheHolderFlag* flag); | 64 CacheHolderFlag* flag); |
| 66 | 65 |
| 67 static bool IsCleared(FeedbackNexus* nexus) { | 66 static bool IsCleared(FeedbackNexus* nexus) { |
| 68 InlineCacheState state = nexus->StateFromFeedback(); | 67 InlineCacheState state = nexus->StateFromFeedback(); |
| 69 return !FLAG_use_ic || state == UNINITIALIZED || state == PREMONOMORPHIC; | 68 return !FLAG_use_ic || state == UNINITIALIZED || state == PREMONOMORPHIC; |
| 70 } | 69 } |
| 71 | 70 |
| 72 static bool ICUseVector(Code::Kind kind) { | 71 static bool ICUseVector(Code::Kind kind) { |
| 73 return kind == Code::LOAD_IC || kind == Code::LOAD_GLOBAL_IC || | 72 return kind == Code::LOAD_IC || kind == Code::LOAD_GLOBAL_IC || |
| 74 kind == Code::KEYED_LOAD_IC || kind == Code::CALL_IC || | 73 kind == Code::KEYED_LOAD_IC || kind == Code::STORE_IC || |
| 75 kind == Code::STORE_IC || kind == Code::KEYED_STORE_IC; | 74 kind == Code::KEYED_STORE_IC; |
| 76 } | 75 } |
| 77 | 76 |
| 78 // The ICs that don't pass slot and vector through the stack have to | 77 // The ICs that don't pass slot and vector through the stack have to |
| 79 // save/restore them in the dispatcher. | 78 // save/restore them in the dispatcher. |
| 80 static bool ShouldPushPopSlotAndVector(Code::Kind kind); | 79 static bool ShouldPushPopSlotAndVector(Code::Kind kind); |
| 81 | 80 |
| 82 static InlineCacheState StateFromCode(Code* code); | 81 static InlineCacheState StateFromCode(Code* code); |
| 83 | 82 |
| 84 static inline bool IsHandler(Object* object); | 83 static inline bool IsHandler(Object* object); |
| 85 | 84 |
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| 498 | 497 |
| 499 // Helper for BinaryOpIC and CompareIC. | 498 // Helper for BinaryOpIC and CompareIC. |
| 500 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; | 499 enum InlinedSmiCheck { ENABLE_INLINED_SMI_CHECK, DISABLE_INLINED_SMI_CHECK }; |
| 501 void PatchInlinedSmiCode(Isolate* isolate, Address address, | 500 void PatchInlinedSmiCode(Isolate* isolate, Address address, |
| 502 InlinedSmiCheck check); | 501 InlinedSmiCheck check); |
| 503 | 502 |
| 504 } // namespace internal | 503 } // namespace internal |
| 505 } // namespace v8 | 504 } // namespace v8 |
| 506 | 505 |
| 507 #endif // V8_IC_H_ | 506 #endif // V8_IC_H_ |
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