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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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32 #include "lithium-allocator.h" | 32 #include "lithium-allocator.h" |
33 #include "lithium.h" | 33 #include "lithium.h" |
34 #include "safepoint-table.h" | 34 #include "safepoint-table.h" |
35 | 35 |
36 namespace v8 { | 36 namespace v8 { |
37 namespace internal { | 37 namespace internal { |
38 | 38 |
39 // Forward declarations. | 39 // Forward declarations. |
40 class LCodeGen; | 40 class LCodeGen; |
41 | 41 |
| 42 |
| 43 #define LITHIUM_ALL_INSTRUCTION_LIST(V) \ |
| 44 V(ControlInstruction) \ |
| 45 V(Call) \ |
| 46 LITHIUM_CONCRETE_INSTRUCTION_LIST(V) |
| 47 |
| 48 |
42 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \ | 49 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \ |
43 V(AccessArgumentsAt) \ | 50 V(AccessArgumentsAt) \ |
44 V(AddI) \ | 51 V(AddI) \ |
45 V(ApplyArguments) \ | 52 V(ApplyArguments) \ |
46 V(ArgumentsElements) \ | 53 V(ArgumentsElements) \ |
47 V(ArgumentsLength) \ | 54 V(ArgumentsLength) \ |
48 V(ArithmeticD) \ | 55 V(ArithmeticD) \ |
49 V(ArithmeticT) \ | 56 V(ArithmeticT) \ |
50 V(ArrayLiteral) \ | 57 V(ArrayLiteral) \ |
51 V(BitI) \ | 58 V(BitI) \ |
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158 V(Throw) \ | 165 V(Throw) \ |
159 V(ToFastProperties) \ | 166 V(ToFastProperties) \ |
160 V(Typeof) \ | 167 V(Typeof) \ |
161 V(TypeofIs) \ | 168 V(TypeofIs) \ |
162 V(TypeofIsAndBranch) \ | 169 V(TypeofIsAndBranch) \ |
163 V(UnaryMathOperation) \ | 170 V(UnaryMathOperation) \ |
164 V(UnknownOSRValue) \ | 171 V(UnknownOSRValue) \ |
165 V(ValueOf) | 172 V(ValueOf) |
166 | 173 |
167 | 174 |
168 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ | 175 #define DECLARE_INSTRUCTION(type) \ |
169 virtual Opcode opcode() const { return LInstruction::k##type; } \ | 176 virtual bool Is##type() const { return true; } \ |
170 virtual void CompileToNative(LCodeGen* generator); \ | 177 static L##type* cast(LInstruction* instr) { \ |
171 virtual const char* Mnemonic() const { return mnemonic; } \ | 178 ASSERT(instr->Is##type()); \ |
172 static L##type* cast(LInstruction* instr) { \ | 179 return reinterpret_cast<L##type*>(instr); \ |
173 ASSERT(instr->Is##type()); \ | |
174 return reinterpret_cast<L##type*>(instr); \ | |
175 } | 180 } |
176 | 181 |
177 | 182 |
| 183 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ |
| 184 virtual void CompileToNative(LCodeGen* generator); \ |
| 185 virtual const char* Mnemonic() const { return mnemonic; } \ |
| 186 DECLARE_INSTRUCTION(type) |
| 187 |
| 188 |
178 #define DECLARE_HYDROGEN_ACCESSOR(type) \ | 189 #define DECLARE_HYDROGEN_ACCESSOR(type) \ |
179 H##type* hydrogen() const { \ | 190 H##type* hydrogen() const { \ |
180 return H##type::cast(hydrogen_value()); \ | 191 return H##type::cast(hydrogen_value()); \ |
181 } | 192 } |
182 | 193 |
183 | 194 |
184 class LInstruction: public ZoneObject { | 195 class LInstruction: public ZoneObject { |
185 public: | 196 public: |
186 LInstruction() | 197 LInstruction() |
187 : environment_(NULL), | 198 : environment_(NULL), |
188 hydrogen_value_(NULL), | 199 hydrogen_value_(NULL), |
189 is_call_(false), | 200 is_call_(false), |
190 is_save_doubles_(false) { } | 201 is_save_doubles_(false) { } |
191 virtual ~LInstruction() { } | 202 virtual ~LInstruction() { } |
192 | 203 |
193 virtual void CompileToNative(LCodeGen* generator) = 0; | 204 virtual void CompileToNative(LCodeGen* generator) = 0; |
194 virtual const char* Mnemonic() const = 0; | 205 virtual const char* Mnemonic() const = 0; |
195 virtual void PrintTo(StringStream* stream); | 206 virtual void PrintTo(StringStream* stream); |
196 virtual void PrintDataTo(StringStream* stream) = 0; | 207 virtual void PrintDataTo(StringStream* stream) = 0; |
197 virtual void PrintOutputOperandTo(StringStream* stream) = 0; | 208 virtual void PrintOutputOperandTo(StringStream* stream) = 0; |
198 | 209 |
199 enum Opcode { | |
200 // Declare a unique enum value for each instruction. | |
201 #define DECLARE_OPCODE(type) k##type, | |
202 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) | |
203 kNumberOfInstructions | |
204 #undef DECLARE_OPCODE | |
205 }; | |
206 | |
207 virtual Opcode opcode() const = 0; | |
208 | |
209 // Declare virtual type testers. | 210 // Declare virtual type testers. |
210 #define DECLARE_PREDICATE(type) \ | 211 #define DECLARE_DO(type) virtual bool Is##type() const { return false; } |
211 bool Is##type() const { return opcode() == k##type; } | 212 LITHIUM_ALL_INSTRUCTION_LIST(DECLARE_DO) |
212 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE) | 213 #undef DECLARE_DO |
213 #undef DECLARE_PREDICATE | |
214 | 214 |
215 virtual bool IsControl() const { return false; } | 215 virtual bool IsControl() const { return false; } |
216 virtual void SetBranchTargets(int true_block_id, int false_block_id) { } | 216 virtual void SetBranchTargets(int true_block_id, int false_block_id) { } |
217 | 217 |
218 void set_environment(LEnvironment* env) { environment_ = env; } | 218 void set_environment(LEnvironment* env) { environment_ = env; } |
219 LEnvironment* environment() const { return environment_; } | 219 LEnvironment* environment() const { return environment_; } |
220 bool HasEnvironment() const { return environment_ != NULL; } | 220 bool HasEnvironment() const { return environment_ != NULL; } |
221 | 221 |
222 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } | 222 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } |
223 LPointerMap* pointer_map() const { return pointer_map_.get(); } | 223 LPointerMap* pointer_map() const { return pointer_map_.get(); } |
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456 | 456 |
457 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { | 457 class LUnknownOSRValue: public LTemplateInstruction<1, 0, 0> { |
458 public: | 458 public: |
459 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") | 459 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") |
460 }; | 460 }; |
461 | 461 |
462 | 462 |
463 template<int I, int T> | 463 template<int I, int T> |
464 class LControlInstruction: public LTemplateInstruction<0, I, T> { | 464 class LControlInstruction: public LTemplateInstruction<0, I, T> { |
465 public: | 465 public: |
| 466 DECLARE_INSTRUCTION(ControlInstruction) |
466 virtual bool IsControl() const { return true; } | 467 virtual bool IsControl() const { return true; } |
467 | 468 |
468 int true_block_id() const { return true_block_id_; } | 469 int true_block_id() const { return true_block_id_; } |
469 int false_block_id() const { return false_block_id_; } | 470 int false_block_id() const { return false_block_id_; } |
470 void SetBranchTargets(int true_block_id, int false_block_id) { | 471 void SetBranchTargets(int true_block_id, int false_block_id) { |
471 true_block_id_ = true_block_id; | 472 true_block_id_ = true_block_id; |
472 false_block_id_ = false_block_id; | 473 false_block_id_ = false_block_id; |
473 } | 474 } |
474 | 475 |
475 private: | 476 private: |
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1125 class LArithmeticD: public LTemplateInstruction<1, 2, 0> { | 1126 class LArithmeticD: public LTemplateInstruction<1, 2, 0> { |
1126 public: | 1127 public: |
1127 LArithmeticD(Token::Value op, LOperand* left, LOperand* right) | 1128 LArithmeticD(Token::Value op, LOperand* left, LOperand* right) |
1128 : op_(op) { | 1129 : op_(op) { |
1129 inputs_[0] = left; | 1130 inputs_[0] = left; |
1130 inputs_[1] = right; | 1131 inputs_[1] = right; |
1131 } | 1132 } |
1132 | 1133 |
1133 Token::Value op() const { return op_; } | 1134 Token::Value op() const { return op_; } |
1134 | 1135 |
1135 virtual Opcode opcode() const { return LInstruction::kArithmeticD; } | |
1136 virtual void CompileToNative(LCodeGen* generator); | 1136 virtual void CompileToNative(LCodeGen* generator); |
1137 virtual const char* Mnemonic() const; | 1137 virtual const char* Mnemonic() const; |
1138 | 1138 |
1139 private: | 1139 private: |
1140 Token::Value op_; | 1140 Token::Value op_; |
1141 }; | 1141 }; |
1142 | 1142 |
1143 | 1143 |
1144 class LArithmeticT: public LTemplateInstruction<1, 2, 0> { | 1144 class LArithmeticT: public LTemplateInstruction<1, 2, 0> { |
1145 public: | 1145 public: |
1146 LArithmeticT(Token::Value op, LOperand* left, LOperand* right) | 1146 LArithmeticT(Token::Value op, LOperand* left, LOperand* right) |
1147 : op_(op) { | 1147 : op_(op) { |
1148 inputs_[0] = left; | 1148 inputs_[0] = left; |
1149 inputs_[1] = right; | 1149 inputs_[1] = right; |
1150 } | 1150 } |
1151 | 1151 |
1152 virtual Opcode opcode() const { return LInstruction::kArithmeticT; } | |
1153 virtual void CompileToNative(LCodeGen* generator); | 1152 virtual void CompileToNative(LCodeGen* generator); |
1154 virtual const char* Mnemonic() const; | 1153 virtual const char* Mnemonic() const; |
1155 | 1154 |
1156 Token::Value op() const { return op_; } | 1155 Token::Value op() const { return op_; } |
1157 | 1156 |
1158 private: | 1157 private: |
1159 Token::Value op_; | 1158 Token::Value op_; |
1160 }; | 1159 }; |
1161 | 1160 |
1162 | 1161 |
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2262 int argument_count_; | 2261 int argument_count_; |
2263 LAllocator* allocator_; | 2262 LAllocator* allocator_; |
2264 int position_; | 2263 int position_; |
2265 LInstruction* instruction_pending_deoptimization_environment_; | 2264 LInstruction* instruction_pending_deoptimization_environment_; |
2266 int pending_deoptimization_ast_id_; | 2265 int pending_deoptimization_ast_id_; |
2267 | 2266 |
2268 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2267 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2269 }; | 2268 }; |
2270 | 2269 |
2271 #undef DECLARE_HYDROGEN_ACCESSOR | 2270 #undef DECLARE_HYDROGEN_ACCESSOR |
| 2271 #undef DECLARE_INSTRUCTION |
2272 #undef DECLARE_CONCRETE_INSTRUCTION | 2272 #undef DECLARE_CONCRETE_INSTRUCTION |
2273 | 2273 |
2274 } } // namespace v8::internal | 2274 } } // namespace v8::internal |
2275 | 2275 |
2276 #endif // V8_IA32_LITHIUM_IA32_H_ | 2276 #endif // V8_IA32_LITHIUM_IA32_H_ |
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