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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 { |
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113 bool UseInlinedSmiCode() const { | 113 bool UseInlinedSmiCode() const { |
114 return KindMaybeSmi(left_kind_) || KindMaybeSmi(right_kind_); | 114 return KindMaybeSmi(left_kind_) || KindMaybeSmi(right_kind_); |
115 } | 115 } |
116 | 116 |
117 static const int FIRST_TOKEN = Token::BIT_OR; | 117 static const int FIRST_TOKEN = Token::BIT_OR; |
118 static const int LAST_TOKEN = Token::MOD; | 118 static const int LAST_TOKEN = Token::MOD; |
119 | 119 |
120 Token::Value op() const { return op_; } | 120 Token::Value op() const { return op_; } |
121 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } | 121 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } |
122 | 122 |
123 Type* GetLeftType(Zone* zone) const { return KindToType(left_kind_, zone); } | 123 Type* GetLeftType() const { return KindToType(left_kind_); } |
124 Type* GetRightType(Zone* zone) const { return KindToType(right_kind_, zone); } | 124 Type* GetRightType() const { return KindToType(right_kind_); } |
125 Type* GetResultType(Zone* zone) const; | 125 Type* GetResultType() const; |
126 | 126 |
127 void Update(Handle<Object> left, Handle<Object> right, Handle<Object> result); | 127 void Update(Handle<Object> left, Handle<Object> right, Handle<Object> result); |
128 | 128 |
129 Isolate* isolate() const { return isolate_; } | 129 Isolate* isolate() const { return isolate_; } |
130 | 130 |
131 private: | 131 private: |
132 friend std::ostream& operator<<(std::ostream& os, const BinaryOpICState& s); | 132 friend std::ostream& operator<<(std::ostream& os, const BinaryOpICState& s); |
133 | 133 |
134 enum Kind { NONE, SMI, INT32, NUMBER, STRING, GENERIC }; | 134 enum Kind { NONE, SMI, INT32, NUMBER, STRING, GENERIC }; |
135 | 135 |
136 Kind UpdateKind(Handle<Object> object, Kind kind) const; | 136 Kind UpdateKind(Handle<Object> object, Kind kind) const; |
137 | 137 |
138 static const char* KindToString(Kind kind); | 138 static const char* KindToString(Kind kind); |
139 static Type* KindToType(Kind kind, Zone* zone); | 139 static Type* KindToType(Kind kind); |
140 static bool KindMaybeSmi(Kind kind) { | 140 static bool KindMaybeSmi(Kind kind) { |
141 return (kind >= SMI && kind <= NUMBER) || kind == GENERIC; | 141 return (kind >= SMI && kind <= NUMBER) || kind == GENERIC; |
142 } | 142 } |
143 | 143 |
144 // We truncate the last bit of the token. | 144 // We truncate the last bit of the token. |
145 STATIC_ASSERT(LAST_TOKEN - FIRST_TOKEN < (1 << 4)); | 145 STATIC_ASSERT(LAST_TOKEN - FIRST_TOKEN < (1 << 4)); |
146 class OpField : public BitField<int, 0, 4> {}; | 146 class OpField : public BitField<int, 0, 4> {}; |
147 class ResultKindField : public BitField<Kind, 4, 3> {}; | 147 class ResultKindField : public BitField<Kind, 4, 3> {}; |
148 class LeftKindField : public BitField<Kind, 7, 3> {}; | 148 class LeftKindField : public BitField<Kind, 7, 3> {}; |
149 class StrengthField : public BitField<bool, 10, 1> {}; | 149 class StrengthField : public BitField<bool, 10, 1> {}; |
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265 << LanguageModeState::kShift; | 265 << LanguageModeState::kShift; |
266 | 266 |
267 private: | 267 private: |
268 const ExtraICState state_; | 268 const ExtraICState state_; |
269 }; | 269 }; |
270 | 270 |
271 } // namespace internal | 271 } // namespace internal |
272 } // namespace v8 | 272 } // namespace v8 |
273 | 273 |
274 #endif // V8_IC_STATE_H_ | 274 #endif // V8_IC_STATE_H_ |
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