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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_STATE_H_ | 5 #ifndef V8_IC_STATE_H_ |
6 #define V8_IC_STATE_H_ | 6 #define V8_IC_STATE_H_ |
7 | 7 |
8 #include "src/macro-assembler.h" | 8 #include "src/macro-assembler.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 | 13 |
14 const int kMaxKeyedPolymorphism = 4; | 14 const int kMaxKeyedPolymorphism = 4; |
15 | 15 |
16 | 16 |
17 class ICUtility : public AllStatic { | 17 class ICUtility : public AllStatic { |
18 public: | 18 public: |
19 // Clear the inline cache to initial state. | 19 // Clear the inline cache to initial state. |
20 static void Clear(Isolate* isolate, Address address, | 20 static void Clear(Isolate* isolate, Address address, |
21 ConstantPoolArray* constant_pool); | 21 ConstantPoolArray* constant_pool); |
22 // Clear a vector-based inline cache to initial state. | 22 // Clear a vector-based inline cache to initial state. |
| 23 template <class Nexus> |
23 static void Clear(Isolate* isolate, Code::Kind kind, Code* host, | 24 static void Clear(Isolate* isolate, Code::Kind kind, Code* host, |
24 TypeFeedbackVector* vector, FeedbackVectorICSlot slot); | 25 Nexus* nexus); |
25 }; | 26 }; |
26 | 27 |
27 | 28 |
28 class CallICState FINAL BASE_EMBEDDED { | 29 class CallICState FINAL BASE_EMBEDDED { |
29 public: | 30 public: |
30 explicit CallICState(ExtraICState extra_ic_state); | 31 explicit CallICState(ExtraICState extra_ic_state); |
31 | 32 |
32 enum CallType { METHOD, FUNCTION }; | 33 enum CallType { METHOD, FUNCTION }; |
33 | 34 |
34 CallICState(int argc, CallType call_type) | 35 CallICState(int argc, CallType call_type) |
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232 private: | 233 private: |
233 class ContextualModeBits : public BitField<ContextualMode, 0, 1> {}; | 234 class ContextualModeBits : public BitField<ContextualMode, 0, 1> {}; |
234 STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0); | 235 STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0); |
235 | 236 |
236 const ExtraICState state_; | 237 const ExtraICState state_; |
237 }; | 238 }; |
238 } | 239 } |
239 } | 240 } |
240 | 241 |
241 #endif // V8_IC_STATE_H_ | 242 #endif // V8_IC_STATE_H_ |
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