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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_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 5 #ifndef V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
6 #define V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 6 #define V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
7 | 7 |
8 #include "src/deoptimizer.h" | 8 #include "src/deoptimizer.h" |
9 #include "src/lithium-codegen.h" | 9 #include "src/lithium-codegen.h" |
10 #include "src/mips64/lithium-gap-resolver-mips64.h" | 10 #include "src/mips64/lithium-gap-resolver-mips64.h" |
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163 | 163 |
164 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 164 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
165 | 165 |
166 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } | 166 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } |
167 | 167 |
168 void SaveCallerDoubles(); | 168 void SaveCallerDoubles(); |
169 void RestoreCallerDoubles(); | 169 void RestoreCallerDoubles(); |
170 | 170 |
171 // Code generation passes. Returns true if code generation should | 171 // Code generation passes. Returns true if code generation should |
172 // continue. | 172 // continue. |
173 void GenerateBodyInstructionPre(LInstruction* instr) V8_OVERRIDE; | 173 void GenerateBodyInstructionPre(LInstruction* instr) OVERRIDE; |
174 bool GeneratePrologue(); | 174 bool GeneratePrologue(); |
175 bool GenerateDeferredCode(); | 175 bool GenerateDeferredCode(); |
176 bool GenerateDeoptJumpTable(); | 176 bool GenerateDeoptJumpTable(); |
177 bool GenerateSafepointTable(); | 177 bool GenerateSafepointTable(); |
178 | 178 |
179 // Generates the custom OSR entrypoint and sets the osr_pc_offset. | 179 // Generates the custom OSR entrypoint and sets the osr_pc_offset. |
180 void GenerateOsrPrologue(); | 180 void GenerateOsrPrologue(); |
181 | 181 |
182 enum SafepointMode { | 182 enum SafepointMode { |
183 RECORD_SIMPLE_SAFEPOINT, | 183 RECORD_SIMPLE_SAFEPOINT, |
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264 void RecordSafepoint(LPointerMap* pointers, | 264 void RecordSafepoint(LPointerMap* pointers, |
265 Safepoint::Kind kind, | 265 Safepoint::Kind kind, |
266 int arguments, | 266 int arguments, |
267 Safepoint::DeoptMode mode); | 267 Safepoint::DeoptMode mode); |
268 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); | 268 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); |
269 void RecordSafepoint(Safepoint::DeoptMode mode); | 269 void RecordSafepoint(Safepoint::DeoptMode mode); |
270 void RecordSafepointWithRegisters(LPointerMap* pointers, | 270 void RecordSafepointWithRegisters(LPointerMap* pointers, |
271 int arguments, | 271 int arguments, |
272 Safepoint::DeoptMode mode); | 272 Safepoint::DeoptMode mode); |
273 | 273 |
274 void RecordAndWritePosition(int position) V8_OVERRIDE; | 274 void RecordAndWritePosition(int position) OVERRIDE; |
275 | 275 |
276 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 276 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
277 void EmitGoto(int block); | 277 void EmitGoto(int block); |
278 | 278 |
279 // EmitBranch expects to be the last instruction of a block. | 279 // EmitBranch expects to be the last instruction of a block. |
280 template<class InstrType> | 280 template<class InstrType> |
281 void EmitBranch(InstrType instr, | 281 void EmitBranch(InstrType instr, |
282 Condition condition, | 282 Condition condition, |
283 Register src1, | 283 Register src1, |
284 const Operand& src2); | 284 const Operand& src2); |
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350 // All registers are clobbered. | 350 // All registers are clobbered. |
351 // If 'remainder' is no_reg, it is not computed. | 351 // If 'remainder' is no_reg, it is not computed. |
352 void EmitSignedIntegerDivisionByConstant(Register result, | 352 void EmitSignedIntegerDivisionByConstant(Register result, |
353 Register dividend, | 353 Register dividend, |
354 int32_t divisor, | 354 int32_t divisor, |
355 Register remainder, | 355 Register remainder, |
356 Register scratch, | 356 Register scratch, |
357 LEnvironment* environment); | 357 LEnvironment* environment); |
358 | 358 |
359 | 359 |
360 void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE; | 360 void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE; |
361 void DoLoadKeyedExternalArray(LLoadKeyed* instr); | 361 void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
362 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); | 362 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
363 void DoLoadKeyedFixedArray(LLoadKeyed* instr); | 363 void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
364 void DoStoreKeyedExternalArray(LStoreKeyed* instr); | 364 void DoStoreKeyedExternalArray(LStoreKeyed* instr); |
365 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); | 365 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); |
366 void DoStoreKeyedFixedArray(LStoreKeyed* instr); | 366 void DoStoreKeyedFixedArray(LStoreKeyed* instr); |
367 | 367 |
368 template <class T> | 368 template <class T> |
369 void EmitVectorLoadICRegisters(T* instr); | 369 void EmitVectorLoadICRegisters(T* instr); |
370 | 370 |
371 ZoneList<LEnvironment*> deoptimizations_; | 371 ZoneList<LEnvironment*> deoptimizations_; |
372 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; | 372 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; |
373 ZoneList<Handle<Object> > deoptimization_literals_; | 373 ZoneList<Handle<Object> > deoptimization_literals_; |
374 int inlined_function_count_; | 374 int inlined_function_count_; |
375 Scope* const scope_; | 375 Scope* const scope_; |
376 TranslationBuffer translations_; | 376 TranslationBuffer translations_; |
377 ZoneList<LDeferredCode*> deferred_; | 377 ZoneList<LDeferredCode*> deferred_; |
378 int osr_pc_offset_; | 378 int osr_pc_offset_; |
379 bool frame_is_built_; | 379 bool frame_is_built_; |
380 | 380 |
381 // Builder that keeps track of safepoints in the code. The table | 381 // Builder that keeps track of safepoints in the code. The table |
382 // itself is emitted at the end of the generated code. | 382 // itself is emitted at the end of the generated code. |
383 SafepointTableBuilder safepoints_; | 383 SafepointTableBuilder safepoints_; |
384 | 384 |
385 // Compiler from a set of parallel moves to a sequential list of moves. | 385 // Compiler from a set of parallel moves to a sequential list of moves. |
386 LGapResolver resolver_; | 386 LGapResolver resolver_; |
387 | 387 |
388 Safepoint::Kind expected_safepoint_kind_; | 388 Safepoint::Kind expected_safepoint_kind_; |
389 | 389 |
390 class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED { | 390 class PushSafepointRegistersScope FINAL BASE_EMBEDDED { |
391 public: | 391 public: |
392 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 392 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
393 : codegen_(codegen) { | 393 : codegen_(codegen) { |
394 DCHECK(codegen_->info()->is_calling()); | 394 DCHECK(codegen_->info()->is_calling()); |
395 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 395 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
396 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 396 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
397 | 397 |
398 StoreRegistersStateStub stub(codegen_->isolate()); | 398 StoreRegistersStateStub stub(codegen_->isolate()); |
399 codegen_->masm_->push(ra); | 399 codegen_->masm_->push(ra); |
400 codegen_->masm_->CallStub(&stub); | 400 codegen_->masm_->CallStub(&stub); |
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445 LCodeGen* codegen_; | 445 LCodeGen* codegen_; |
446 Label entry_; | 446 Label entry_; |
447 Label exit_; | 447 Label exit_; |
448 Label* external_exit_; | 448 Label* external_exit_; |
449 int instruction_index_; | 449 int instruction_index_; |
450 }; | 450 }; |
451 | 451 |
452 } } // namespace v8::internal | 452 } } // namespace v8::internal |
453 | 453 |
454 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 454 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
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