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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/mips/lithium-gap-resolver-mips.h" | 10 #include "src/mips/lithium-gap-resolver-mips.h" |
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162 | 162 |
163 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 163 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
164 | 164 |
165 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } | 165 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } |
166 | 166 |
167 void SaveCallerDoubles(); | 167 void SaveCallerDoubles(); |
168 void RestoreCallerDoubles(); | 168 void RestoreCallerDoubles(); |
169 | 169 |
170 // Code generation passes. Returns true if code generation should | 170 // Code generation passes. Returns true if code generation should |
171 // continue. | 171 // continue. |
172 void GenerateBodyInstructionPre(LInstruction* instr) V8_OVERRIDE; | 172 void GenerateBodyInstructionPre(LInstruction* instr) OVERRIDE; |
173 bool GeneratePrologue(); | 173 bool GeneratePrologue(); |
174 bool GenerateDeferredCode(); | 174 bool GenerateDeferredCode(); |
175 bool GenerateDeoptJumpTable(); | 175 bool GenerateDeoptJumpTable(); |
176 bool GenerateSafepointTable(); | 176 bool GenerateSafepointTable(); |
177 | 177 |
178 // Generates the custom OSR entrypoint and sets the osr_pc_offset. | 178 // Generates the custom OSR entrypoint and sets the osr_pc_offset. |
179 void GenerateOsrPrologue(); | 179 void GenerateOsrPrologue(); |
180 | 180 |
181 enum SafepointMode { | 181 enum SafepointMode { |
182 RECORD_SIMPLE_SAFEPOINT, | 182 RECORD_SIMPLE_SAFEPOINT, |
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263 void RecordSafepoint(LPointerMap* pointers, | 263 void RecordSafepoint(LPointerMap* pointers, |
264 Safepoint::Kind kind, | 264 Safepoint::Kind kind, |
265 int arguments, | 265 int arguments, |
266 Safepoint::DeoptMode mode); | 266 Safepoint::DeoptMode mode); |
267 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); | 267 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); |
268 void RecordSafepoint(Safepoint::DeoptMode mode); | 268 void RecordSafepoint(Safepoint::DeoptMode mode); |
269 void RecordSafepointWithRegisters(LPointerMap* pointers, | 269 void RecordSafepointWithRegisters(LPointerMap* pointers, |
270 int arguments, | 270 int arguments, |
271 Safepoint::DeoptMode mode); | 271 Safepoint::DeoptMode mode); |
272 | 272 |
273 void RecordAndWritePosition(int position) V8_OVERRIDE; | 273 void RecordAndWritePosition(int position) OVERRIDE; |
274 | 274 |
275 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 275 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
276 void EmitGoto(int block); | 276 void EmitGoto(int block); |
277 | 277 |
278 // EmitBranch expects to be the last instruction of a block. | 278 // EmitBranch expects to be the last instruction of a block. |
279 template<class InstrType> | 279 template<class InstrType> |
280 void EmitBranch(InstrType instr, | 280 void EmitBranch(InstrType instr, |
281 Condition condition, | 281 Condition condition, |
282 Register src1, | 282 Register src1, |
283 const Operand& src2); | 283 const Operand& src2); |
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349 // All registers are clobbered. | 349 // All registers are clobbered. |
350 // If 'remainder' is no_reg, it is not computed. | 350 // If 'remainder' is no_reg, it is not computed. |
351 void EmitSignedIntegerDivisionByConstant(Register result, | 351 void EmitSignedIntegerDivisionByConstant(Register result, |
352 Register dividend, | 352 Register dividend, |
353 int32_t divisor, | 353 int32_t divisor, |
354 Register remainder, | 354 Register remainder, |
355 Register scratch, | 355 Register scratch, |
356 LEnvironment* environment); | 356 LEnvironment* environment); |
357 | 357 |
358 | 358 |
359 void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE; | 359 void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE; |
360 void DoLoadKeyedExternalArray(LLoadKeyed* instr); | 360 void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
361 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); | 361 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
362 void DoLoadKeyedFixedArray(LLoadKeyed* instr); | 362 void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
363 void DoStoreKeyedExternalArray(LStoreKeyed* instr); | 363 void DoStoreKeyedExternalArray(LStoreKeyed* instr); |
364 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); | 364 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); |
365 void DoStoreKeyedFixedArray(LStoreKeyed* instr); | 365 void DoStoreKeyedFixedArray(LStoreKeyed* instr); |
366 | 366 |
367 template <class T> | 367 template <class T> |
368 void EmitVectorLoadICRegisters(T* instr); | 368 void EmitVectorLoadICRegisters(T* instr); |
369 | 369 |
370 ZoneList<LEnvironment*> deoptimizations_; | 370 ZoneList<LEnvironment*> deoptimizations_; |
371 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; | 371 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; |
372 ZoneList<Handle<Object> > deoptimization_literals_; | 372 ZoneList<Handle<Object> > deoptimization_literals_; |
373 int inlined_function_count_; | 373 int inlined_function_count_; |
374 Scope* const scope_; | 374 Scope* const scope_; |
375 TranslationBuffer translations_; | 375 TranslationBuffer translations_; |
376 ZoneList<LDeferredCode*> deferred_; | 376 ZoneList<LDeferredCode*> deferred_; |
377 int osr_pc_offset_; | 377 int osr_pc_offset_; |
378 bool frame_is_built_; | 378 bool frame_is_built_; |
379 | 379 |
380 // Builder that keeps track of safepoints in the code. The table | 380 // Builder that keeps track of safepoints in the code. The table |
381 // itself is emitted at the end of the generated code. | 381 // itself is emitted at the end of the generated code. |
382 SafepointTableBuilder safepoints_; | 382 SafepointTableBuilder safepoints_; |
383 | 383 |
384 // Compiler from a set of parallel moves to a sequential list of moves. | 384 // Compiler from a set of parallel moves to a sequential list of moves. |
385 LGapResolver resolver_; | 385 LGapResolver resolver_; |
386 | 386 |
387 Safepoint::Kind expected_safepoint_kind_; | 387 Safepoint::Kind expected_safepoint_kind_; |
388 | 388 |
389 class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED { | 389 class PushSafepointRegistersScope FINAL BASE_EMBEDDED { |
390 public: | 390 public: |
391 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 391 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
392 : codegen_(codegen) { | 392 : codegen_(codegen) { |
393 DCHECK(codegen_->info()->is_calling()); | 393 DCHECK(codegen_->info()->is_calling()); |
394 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 394 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
395 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 395 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
396 | 396 |
397 StoreRegistersStateStub stub(codegen_->isolate()); | 397 StoreRegistersStateStub stub(codegen_->isolate()); |
398 codegen_->masm_->push(ra); | 398 codegen_->masm_->push(ra); |
399 codegen_->masm_->CallStub(&stub); | 399 codegen_->masm_->CallStub(&stub); |
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444 LCodeGen* codegen_; | 444 LCodeGen* codegen_; |
445 Label entry_; | 445 Label entry_; |
446 Label exit_; | 446 Label exit_; |
447 Label* external_exit_; | 447 Label* external_exit_; |
448 int instruction_index_; | 448 int instruction_index_; |
449 }; | 449 }; |
450 | 450 |
451 } } // namespace v8::internal | 451 } } // namespace v8::internal |
452 | 452 |
453 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 453 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
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