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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_ARM_LITHIUM_CODEGEN_ARM_H_ | 5 #ifndef V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
| 6 #define V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 6 #define V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
| 7 | 7 |
| 8 #include "src/arm/lithium-arm.h" | 8 #include "src/arm/lithium-arm.h" |
| 9 | 9 |
| 10 #include "src/arm/lithium-gap-resolver-arm.h" | 10 #include "src/arm/lithium-gap-resolver-arm.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) OVERRIDE; | 172 void GenerateBodyInstructionPre(LInstruction* instr) override; |
| 173 bool GeneratePrologue(); | 173 bool GeneratePrologue(); |
| 174 bool GenerateDeferredCode(); | 174 bool GenerateDeferredCode(); |
| 175 bool GenerateJumpTable(); | 175 bool GenerateJumpTable(); |
| 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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| 258 void RecordSafepoint(LPointerMap* pointers, | 258 void RecordSafepoint(LPointerMap* pointers, |
| 259 Safepoint::Kind kind, | 259 Safepoint::Kind kind, |
| 260 int arguments, | 260 int arguments, |
| 261 Safepoint::DeoptMode mode); | 261 Safepoint::DeoptMode mode); |
| 262 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); | 262 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); |
| 263 void RecordSafepoint(Safepoint::DeoptMode mode); | 263 void RecordSafepoint(Safepoint::DeoptMode mode); |
| 264 void RecordSafepointWithRegisters(LPointerMap* pointers, | 264 void RecordSafepointWithRegisters(LPointerMap* pointers, |
| 265 int arguments, | 265 int arguments, |
| 266 Safepoint::DeoptMode mode); | 266 Safepoint::DeoptMode mode); |
| 267 | 267 |
| 268 void RecordAndWritePosition(int position) OVERRIDE; | 268 void RecordAndWritePosition(int position) override; |
| 269 | 269 |
| 270 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 270 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
| 271 void EmitGoto(int block); | 271 void EmitGoto(int block); |
| 272 | 272 |
| 273 // EmitBranch expects to be the last instruction of a block. | 273 // EmitBranch expects to be the last instruction of a block. |
| 274 template<class InstrType> | 274 template<class InstrType> |
| 275 void EmitBranch(InstrType instr, Condition condition); | 275 void EmitBranch(InstrType instr, Condition condition); |
| 276 template<class InstrType> | 276 template<class InstrType> |
| 277 void EmitFalseBranch(InstrType instr, Condition condition); | 277 void EmitFalseBranch(InstrType instr, Condition condition); |
| 278 void EmitNumberUntagD(LNumberUntagD* instr, Register input, | 278 void EmitNumberUntagD(LNumberUntagD* instr, Register input, |
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| 307 void EmitIsConstructCall(Register temp1, Register temp2); | 307 void EmitIsConstructCall(Register temp1, Register temp2); |
| 308 | 308 |
| 309 // Emits optimized code to deep-copy the contents of statically known | 309 // Emits optimized code to deep-copy the contents of statically known |
| 310 // object graphs (e.g. object literal boilerplate). | 310 // object graphs (e.g. object literal boilerplate). |
| 311 void EmitDeepCopy(Handle<JSObject> object, | 311 void EmitDeepCopy(Handle<JSObject> object, |
| 312 Register result, | 312 Register result, |
| 313 Register source, | 313 Register source, |
| 314 int* offset, | 314 int* offset, |
| 315 AllocationSiteMode mode); | 315 AllocationSiteMode mode); |
| 316 | 316 |
| 317 void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE; | 317 void EnsureSpaceForLazyDeopt(int space_needed) override; |
| 318 void DoLoadKeyedExternalArray(LLoadKeyed* instr); | 318 void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
| 319 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); | 319 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
| 320 void DoLoadKeyedFixedArray(LLoadKeyed* instr); | 320 void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
| 321 void DoStoreKeyedExternalArray(LStoreKeyed* instr); | 321 void DoStoreKeyedExternalArray(LStoreKeyed* instr); |
| 322 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); | 322 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); |
| 323 void DoStoreKeyedFixedArray(LStoreKeyed* instr); | 323 void DoStoreKeyedFixedArray(LStoreKeyed* instr); |
| 324 | 324 |
| 325 template <class T> | 325 template <class T> |
| 326 void EmitVectorLoadICRegisters(T* instr); | 326 void EmitVectorLoadICRegisters(T* instr); |
| 327 | 327 |
| 328 ZoneList<LEnvironment*> deoptimizations_; | 328 ZoneList<LEnvironment*> deoptimizations_; |
| 329 ZoneList<Deoptimizer::JumpTableEntry> jump_table_; | 329 ZoneList<Deoptimizer::JumpTableEntry> jump_table_; |
| 330 ZoneList<Handle<Object> > deoptimization_literals_; | 330 ZoneList<Handle<Object> > deoptimization_literals_; |
| 331 int inlined_function_count_; | 331 int inlined_function_count_; |
| 332 Scope* const scope_; | 332 Scope* const scope_; |
| 333 TranslationBuffer translations_; | 333 TranslationBuffer translations_; |
| 334 ZoneList<LDeferredCode*> deferred_; | 334 ZoneList<LDeferredCode*> deferred_; |
| 335 int osr_pc_offset_; | 335 int osr_pc_offset_; |
| 336 bool frame_is_built_; | 336 bool frame_is_built_; |
| 337 | 337 |
| 338 // Builder that keeps track of safepoints in the code. The table | 338 // Builder that keeps track of safepoints in the code. The table |
| 339 // itself is emitted at the end of the generated code. | 339 // itself is emitted at the end of the generated code. |
| 340 SafepointTableBuilder safepoints_; | 340 SafepointTableBuilder safepoints_; |
| 341 | 341 |
| 342 // Compiler from a set of parallel moves to a sequential list of moves. | 342 // Compiler from a set of parallel moves to a sequential list of moves. |
| 343 LGapResolver resolver_; | 343 LGapResolver resolver_; |
| 344 | 344 |
| 345 Safepoint::Kind expected_safepoint_kind_; | 345 Safepoint::Kind expected_safepoint_kind_; |
| 346 | 346 |
| 347 class PushSafepointRegistersScope FINAL BASE_EMBEDDED { | 347 class PushSafepointRegistersScope final BASE_EMBEDDED { |
| 348 public: | 348 public: |
| 349 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 349 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
| 350 : codegen_(codegen) { | 350 : codegen_(codegen) { |
| 351 DCHECK(codegen_->info()->is_calling()); | 351 DCHECK(codegen_->info()->is_calling()); |
| 352 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 352 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
| 353 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 353 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
| 354 codegen_->masm_->PushSafepointRegisters(); | 354 codegen_->masm_->PushSafepointRegisters(); |
| 355 } | 355 } |
| 356 | 356 |
| 357 ~PushSafepointRegistersScope() { | 357 ~PushSafepointRegistersScope() { |
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| 397 LCodeGen* codegen_; | 397 LCodeGen* codegen_; |
| 398 Label entry_; | 398 Label entry_; |
| 399 Label exit_; | 399 Label exit_; |
| 400 Label* external_exit_; | 400 Label* external_exit_; |
| 401 int instruction_index_; | 401 int instruction_index_; |
| 402 }; | 402 }; |
| 403 | 403 |
| 404 } } // namespace v8::internal | 404 } } // namespace v8::internal |
| 405 | 405 |
| 406 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 406 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
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