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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 // 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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205 : environment_(NULL), | 205 : environment_(NULL), |
206 hydrogen_value_(NULL), | 206 hydrogen_value_(NULL), |
207 is_call_(false), | 207 is_call_(false), |
208 is_save_doubles_(false) { } | 208 is_save_doubles_(false) { } |
209 | 209 |
210 virtual ~LInstruction() { } | 210 virtual ~LInstruction() { } |
211 | 211 |
212 virtual void CompileToNative(LCodeGen* generator) = 0; | 212 virtual void CompileToNative(LCodeGen* generator) = 0; |
213 virtual const char* Mnemonic() const = 0; | 213 virtual const char* Mnemonic() const = 0; |
214 virtual void PrintTo(StringStream* stream); | 214 virtual void PrintTo(StringStream* stream); |
215 virtual void PrintDataTo(StringStream* stream) = 0; | 215 virtual void PrintDataTo(StringStream* stream); |
216 virtual void PrintOutputOperandTo(StringStream* stream) = 0; | 216 virtual void PrintOutputOperandTo(StringStream* stream); |
217 | 217 |
218 enum Opcode { | 218 enum Opcode { |
219 // Declare a unique enum value for each instruction. | 219 // Declare a unique enum value for each instruction. |
220 #define DECLARE_OPCODE(type) k##type, | 220 #define DECLARE_OPCODE(type) k##type, |
221 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) | 221 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) |
222 kNumberOfInstructions | 222 kNumberOfInstructions |
223 #undef DECLARE_OPCODE | 223 #undef DECLARE_OPCODE |
224 }; | 224 }; |
225 | 225 |
226 virtual Opcode opcode() const = 0; | 226 virtual Opcode opcode() const = 0; |
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301 virtual bool HasResult() const { return R != 0; } | 301 virtual bool HasResult() const { return R != 0; } |
302 void set_result(LOperand* operand) { results_[0] = operand; } | 302 void set_result(LOperand* operand) { results_[0] = operand; } |
303 LOperand* result() { return results_[0]; } | 303 LOperand* result() { return results_[0]; } |
304 | 304 |
305 int InputCount() { return I; } | 305 int InputCount() { return I; } |
306 LOperand* InputAt(int i) { return inputs_[i]; } | 306 LOperand* InputAt(int i) { return inputs_[i]; } |
307 | 307 |
308 int TempCount() { return T; } | 308 int TempCount() { return T; } |
309 LOperand* TempAt(int i) { return temps_[i]; } | 309 LOperand* TempAt(int i) { return temps_[i]; } |
310 | 310 |
311 virtual void PrintDataTo(StringStream* stream); | |
312 virtual void PrintOutputOperandTo(StringStream* stream); | |
313 | |
314 protected: | 311 protected: |
315 EmbeddedContainer<LOperand*, R> results_; | 312 EmbeddedContainer<LOperand*, R> results_; |
316 EmbeddedContainer<LOperand*, I> inputs_; | 313 EmbeddedContainer<LOperand*, I> inputs_; |
317 EmbeddedContainer<LOperand*, T> temps_; | 314 EmbeddedContainer<LOperand*, T> temps_; |
318 }; | 315 }; |
319 | 316 |
320 | 317 |
321 class LGap: public LTemplateInstruction<0, 0, 0> { | 318 class LGap: public LTemplateInstruction<0, 0, 0> { |
322 public: | 319 public: |
323 explicit LGap(HBasicBlock* block) | 320 explicit LGap(HBasicBlock* block) |
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2385 | 2382 |
2386 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); | 2383 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); |
2387 }; | 2384 }; |
2388 | 2385 |
2389 #undef DECLARE_HYDROGEN_ACCESSOR | 2386 #undef DECLARE_HYDROGEN_ACCESSOR |
2390 #undef DECLARE_CONCRETE_INSTRUCTION | 2387 #undef DECLARE_CONCRETE_INSTRUCTION |
2391 | 2388 |
2392 } } // namespace v8::int | 2389 } } // namespace v8::int |
2393 | 2390 |
2394 #endif // V8_X64_LITHIUM_X64_H_ | 2391 #endif // V8_X64_LITHIUM_X64_H_ |
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