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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 }; | 22 }; |
| 23 | 23 |
| 24 | 24 |
| 25 class CallICState FINAL BASE_EMBEDDED { | 25 class CallICState final BASE_EMBEDDED { |
| 26 public: | 26 public: |
| 27 explicit CallICState(ExtraICState extra_ic_state); | 27 explicit CallICState(ExtraICState extra_ic_state); |
| 28 | 28 |
| 29 enum CallType { METHOD, FUNCTION }; | 29 enum CallType { METHOD, FUNCTION }; |
| 30 | 30 |
| 31 CallICState(int argc, CallType call_type) | 31 CallICState(int argc, CallType call_type) |
| 32 : argc_(argc), call_type_(call_type) {} | 32 : argc_(argc), call_type_(call_type) {} |
| 33 | 33 |
| 34 ExtraICState GetExtraICState() const; | 34 ExtraICState GetExtraICState() const; |
| 35 | 35 |
| (...skipping 11 matching lines...) Expand all Loading... |
| 47 class CallTypeBits : public BitField<CallType, Code::kArgumentsBits, 1> {}; | 47 class CallTypeBits : public BitField<CallType, Code::kArgumentsBits, 1> {}; |
| 48 | 48 |
| 49 const int argc_; | 49 const int argc_; |
| 50 const CallType call_type_; | 50 const CallType call_type_; |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 | 53 |
| 54 std::ostream& operator<<(std::ostream& os, const CallICState& s); | 54 std::ostream& operator<<(std::ostream& os, const CallICState& s); |
| 55 | 55 |
| 56 | 56 |
| 57 class BinaryOpICState FINAL BASE_EMBEDDED { | 57 class BinaryOpICState final BASE_EMBEDDED { |
| 58 public: | 58 public: |
| 59 BinaryOpICState(Isolate* isolate, ExtraICState extra_ic_state); | 59 BinaryOpICState(Isolate* isolate, ExtraICState extra_ic_state); |
| 60 | 60 |
| 61 BinaryOpICState(Isolate* isolate, Token::Value op) | 61 BinaryOpICState(Isolate* isolate, Token::Value op) |
| 62 : op_(op), | 62 : op_(op), |
| 63 left_kind_(NONE), | 63 left_kind_(NONE), |
| 64 right_kind_(NONE), | 64 right_kind_(NONE), |
| 65 result_kind_(NONE), | 65 result_kind_(NONE), |
| 66 fixed_right_arg_(Nothing<int>()), | 66 fixed_right_arg_(Nothing<int>()), |
| 67 isolate_(isolate) { | 67 isolate_(isolate) { |
| (...skipping 120 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 188 static State NewInputState(State old_state, Handle<Object> value); | 188 static State NewInputState(State old_state, Handle<Object> value); |
| 189 | 189 |
| 190 static const char* GetStateName(CompareICState::State state); | 190 static const char* GetStateName(CompareICState::State state); |
| 191 | 191 |
| 192 static State TargetState(State old_state, State old_left, State old_right, | 192 static State TargetState(State old_state, State old_left, State old_right, |
| 193 Token::Value op, bool has_inlined_smi_code, | 193 Token::Value op, bool has_inlined_smi_code, |
| 194 Handle<Object> x, Handle<Object> y); | 194 Handle<Object> x, Handle<Object> y); |
| 195 }; | 195 }; |
| 196 | 196 |
| 197 | 197 |
| 198 class LoadICState FINAL BASE_EMBEDDED { | 198 class LoadICState final BASE_EMBEDDED { |
| 199 public: | 199 public: |
| 200 explicit LoadICState(ExtraICState extra_ic_state) : state_(extra_ic_state) {} | 200 explicit LoadICState(ExtraICState extra_ic_state) : state_(extra_ic_state) {} |
| 201 | 201 |
| 202 explicit LoadICState(ContextualMode mode) | 202 explicit LoadICState(ContextualMode mode) |
| 203 : state_(ContextualModeBits::encode(mode)) {} | 203 : state_(ContextualModeBits::encode(mode)) {} |
| 204 | 204 |
| 205 ExtraICState GetExtraICState() const { return state_; } | 205 ExtraICState GetExtraICState() const { return state_; } |
| 206 | 206 |
| 207 ContextualMode contextual_mode() const { | 207 ContextualMode contextual_mode() const { |
| 208 return ContextualModeBits::decode(state_); | 208 return ContextualModeBits::decode(state_); |
| 209 } | 209 } |
| 210 | 210 |
| 211 static ContextualMode GetContextualMode(ExtraICState state) { | 211 static ContextualMode GetContextualMode(ExtraICState state) { |
| 212 return LoadICState(state).contextual_mode(); | 212 return LoadICState(state).contextual_mode(); |
| 213 } | 213 } |
| 214 | 214 |
| 215 private: | 215 private: |
| 216 class ContextualModeBits : public BitField<ContextualMode, 0, 1> {}; | 216 class ContextualModeBits : public BitField<ContextualMode, 0, 1> {}; |
| 217 STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0); | 217 STATIC_ASSERT(static_cast<int>(NOT_CONTEXTUAL) == 0); |
| 218 | 218 |
| 219 const ExtraICState state_; | 219 const ExtraICState state_; |
| 220 }; | 220 }; |
| 221 } | 221 } |
| 222 } | 222 } |
| 223 | 223 |
| 224 #endif // V8_IC_STATE_H_ | 224 #endif // V8_IC_STATE_H_ |
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