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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) 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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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, Condition condition); | 281 void EmitBranch(InstrType instr, Condition condition); |
282 template<class InstrType> | 282 template<class InstrType> |
283 void EmitFalseBranch(InstrType instr, Condition condition); | 283 void EmitFalseBranch(InstrType instr, Condition condition); |
284 void EmitNumberUntagD(Register input, | 284 void EmitNumberUntagD(Register input, |
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317 void EmitIsConstructCall(Register temp1, Register temp2); | 317 void EmitIsConstructCall(Register temp1, Register temp2); |
318 | 318 |
319 // Emits optimized code to deep-copy the contents of statically known | 319 // Emits optimized code to deep-copy the contents of statically known |
320 // object graphs (e.g. object literal boilerplate). | 320 // object graphs (e.g. object literal boilerplate). |
321 void EmitDeepCopy(Handle<JSObject> object, | 321 void EmitDeepCopy(Handle<JSObject> object, |
322 Register result, | 322 Register result, |
323 Register source, | 323 Register source, |
324 int* offset, | 324 int* offset, |
325 AllocationSiteMode mode); | 325 AllocationSiteMode mode); |
326 | 326 |
327 void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE; | 327 void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE; |
328 void DoLoadKeyedExternalArray(LLoadKeyed* instr); | 328 void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
329 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); | 329 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
330 void DoLoadKeyedFixedArray(LLoadKeyed* instr); | 330 void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
331 void DoStoreKeyedExternalArray(LStoreKeyed* instr); | 331 void DoStoreKeyedExternalArray(LStoreKeyed* instr); |
332 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); | 332 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); |
333 void DoStoreKeyedFixedArray(LStoreKeyed* instr); | 333 void DoStoreKeyedFixedArray(LStoreKeyed* instr); |
334 | 334 |
335 template <class T> | 335 template <class T> |
336 void EmitVectorLoadICRegisters(T* instr); | 336 void EmitVectorLoadICRegisters(T* instr); |
337 | 337 |
338 ZoneList<LEnvironment*> deoptimizations_; | 338 ZoneList<LEnvironment*> deoptimizations_; |
339 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; | 339 ZoneList<Deoptimizer::JumpTableEntry> deopt_jump_table_; |
340 ZoneList<Handle<Object> > deoptimization_literals_; | 340 ZoneList<Handle<Object> > deoptimization_literals_; |
341 int inlined_function_count_; | 341 int inlined_function_count_; |
342 Scope* const scope_; | 342 Scope* const scope_; |
343 TranslationBuffer translations_; | 343 TranslationBuffer translations_; |
344 ZoneList<LDeferredCode*> deferred_; | 344 ZoneList<LDeferredCode*> deferred_; |
345 int osr_pc_offset_; | 345 int osr_pc_offset_; |
346 bool frame_is_built_; | 346 bool frame_is_built_; |
347 | 347 |
348 // Builder that keeps track of safepoints in the code. The table | 348 // Builder that keeps track of safepoints in the code. The table |
349 // itself is emitted at the end of the generated code. | 349 // itself is emitted at the end of the generated code. |
350 SafepointTableBuilder safepoints_; | 350 SafepointTableBuilder safepoints_; |
351 | 351 |
352 // Compiler from a set of parallel moves to a sequential list of moves. | 352 // Compiler from a set of parallel moves to a sequential list of moves. |
353 LGapResolver resolver_; | 353 LGapResolver resolver_; |
354 | 354 |
355 Safepoint::Kind expected_safepoint_kind_; | 355 Safepoint::Kind expected_safepoint_kind_; |
356 | 356 |
357 class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED { | 357 class PushSafepointRegistersScope FINAL BASE_EMBEDDED { |
358 public: | 358 public: |
359 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 359 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
360 : codegen_(codegen) { | 360 : codegen_(codegen) { |
361 DCHECK(codegen_->info()->is_calling()); | 361 DCHECK(codegen_->info()->is_calling()); |
362 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 362 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
363 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 363 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
364 codegen_->masm_->PushSafepointRegisters(); | 364 codegen_->masm_->PushSafepointRegisters(); |
365 } | 365 } |
366 | 366 |
367 ~PushSafepointRegistersScope() { | 367 ~PushSafepointRegistersScope() { |
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407 LCodeGen* codegen_; | 407 LCodeGen* codegen_; |
408 Label entry_; | 408 Label entry_; |
409 Label exit_; | 409 Label exit_; |
410 Label* external_exit_; | 410 Label* external_exit_; |
411 int instruction_index_; | 411 int instruction_index_; |
412 }; | 412 }; |
413 | 413 |
414 } } // namespace v8::internal | 414 } } // namespace v8::internal |
415 | 415 |
416 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ | 416 #endif // V8_ARM_LITHIUM_CODEGEN_ARM_H_ |
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