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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_IA32_LITHIUM_CODEGEN_IA32_H_ | 5 #ifndef V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
6 #define V8_IA32_LITHIUM_CODEGEN_IA32_H_ | 6 #define V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
7 | 7 |
8 #include "src/ia32/lithium-ia32.h" | 8 #include "src/ia32/lithium-ia32.h" |
9 | 9 |
10 #include "src/base/logging.h" | 10 #include "src/base/logging.h" |
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141 | 141 |
142 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 142 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
143 | 143 |
144 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } | 144 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } |
145 | 145 |
146 void SaveCallerDoubles(); | 146 void SaveCallerDoubles(); |
147 void RestoreCallerDoubles(); | 147 void RestoreCallerDoubles(); |
148 | 148 |
149 // Code generation passes. Returns true if code generation should | 149 // Code generation passes. Returns true if code generation should |
150 // continue. | 150 // continue. |
151 void GenerateBodyInstructionPre(LInstruction* instr) V8_OVERRIDE; | 151 void GenerateBodyInstructionPre(LInstruction* instr) OVERRIDE; |
152 void GenerateBodyInstructionPost(LInstruction* instr) V8_OVERRIDE; | 152 void GenerateBodyInstructionPost(LInstruction* instr) OVERRIDE; |
153 bool GeneratePrologue(); | 153 bool GeneratePrologue(); |
154 bool GenerateDeferredCode(); | 154 bool GenerateDeferredCode(); |
155 bool GenerateJumpTable(); | 155 bool GenerateJumpTable(); |
156 bool GenerateSafepointTable(); | 156 bool GenerateSafepointTable(); |
157 | 157 |
158 // Generates the custom OSR entrypoint and sets the osr_pc_offset. | 158 // Generates the custom OSR entrypoint and sets the osr_pc_offset. |
159 void GenerateOsrPrologue(); | 159 void GenerateOsrPrologue(); |
160 | 160 |
161 enum SafepointMode { | 161 enum SafepointMode { |
162 RECORD_SIMPLE_SAFEPOINT, | 162 RECORD_SIMPLE_SAFEPOINT, |
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252 void RecordSafepoint(LPointerMap* pointers, | 252 void RecordSafepoint(LPointerMap* pointers, |
253 Safepoint::Kind kind, | 253 Safepoint::Kind kind, |
254 int arguments, | 254 int arguments, |
255 Safepoint::DeoptMode mode); | 255 Safepoint::DeoptMode mode); |
256 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); | 256 void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); |
257 void RecordSafepoint(Safepoint::DeoptMode mode); | 257 void RecordSafepoint(Safepoint::DeoptMode mode); |
258 void RecordSafepointWithRegisters(LPointerMap* pointers, | 258 void RecordSafepointWithRegisters(LPointerMap* pointers, |
259 int arguments, | 259 int arguments, |
260 Safepoint::DeoptMode mode); | 260 Safepoint::DeoptMode mode); |
261 | 261 |
262 void RecordAndWritePosition(int position) V8_OVERRIDE; | 262 void RecordAndWritePosition(int position) OVERRIDE; |
263 | 263 |
264 static Condition TokenToCondition(Token::Value op, bool is_unsigned); | 264 static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
265 void EmitGoto(int block); | 265 void EmitGoto(int block); |
266 | 266 |
267 // EmitBranch expects to be the last instruction of a block. | 267 // EmitBranch expects to be the last instruction of a block. |
268 template<class InstrType> | 268 template<class InstrType> |
269 void EmitBranch(InstrType instr, Condition cc); | 269 void EmitBranch(InstrType instr, Condition cc); |
270 template<class InstrType> | 270 template<class InstrType> |
271 void EmitFalseBranch(InstrType instr, Condition cc); | 271 void EmitFalseBranch(InstrType instr, Condition cc); |
272 void EmitNumberUntagD( | 272 void EmitNumberUntagD( |
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304 void EmitIsConstructCall(Register temp); | 304 void EmitIsConstructCall(Register temp); |
305 | 305 |
306 // Emits optimized code to deep-copy the contents of statically known | 306 // Emits optimized code to deep-copy the contents of statically known |
307 // object graphs (e.g. object literal boilerplate). | 307 // object graphs (e.g. object literal boilerplate). |
308 void EmitDeepCopy(Handle<JSObject> object, | 308 void EmitDeepCopy(Handle<JSObject> object, |
309 Register result, | 309 Register result, |
310 Register source, | 310 Register source, |
311 int* offset, | 311 int* offset, |
312 AllocationSiteMode mode); | 312 AllocationSiteMode mode); |
313 | 313 |
314 void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE; | 314 void EnsureSpaceForLazyDeopt(int space_needed) OVERRIDE; |
315 void DoLoadKeyedExternalArray(LLoadKeyed* instr); | 315 void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
316 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); | 316 void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
317 void DoLoadKeyedFixedArray(LLoadKeyed* instr); | 317 void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
318 void DoStoreKeyedExternalArray(LStoreKeyed* instr); | 318 void DoStoreKeyedExternalArray(LStoreKeyed* instr); |
319 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); | 319 void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); |
320 void DoStoreKeyedFixedArray(LStoreKeyed* instr); | 320 void DoStoreKeyedFixedArray(LStoreKeyed* instr); |
321 | 321 |
322 template <class T> | 322 template <class T> |
323 void EmitVectorLoadICRegisters(T* instr); | 323 void EmitVectorLoadICRegisters(T* instr); |
324 | 324 |
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352 | 352 |
353 // Builder that keeps track of safepoints in the code. The table | 353 // Builder that keeps track of safepoints in the code. The table |
354 // itself is emitted at the end of the generated code. | 354 // itself is emitted at the end of the generated code. |
355 SafepointTableBuilder safepoints_; | 355 SafepointTableBuilder safepoints_; |
356 | 356 |
357 // Compiler from a set of parallel moves to a sequential list of moves. | 357 // Compiler from a set of parallel moves to a sequential list of moves. |
358 LGapResolver resolver_; | 358 LGapResolver resolver_; |
359 | 359 |
360 Safepoint::Kind expected_safepoint_kind_; | 360 Safepoint::Kind expected_safepoint_kind_; |
361 | 361 |
362 class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED { | 362 class PushSafepointRegistersScope FINAL BASE_EMBEDDED { |
363 public: | 363 public: |
364 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 364 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
365 : codegen_(codegen) { | 365 : codegen_(codegen) { |
366 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 366 DCHECK(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
367 codegen_->masm_->PushSafepointRegisters(); | 367 codegen_->masm_->PushSafepointRegisters(); |
368 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 368 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
369 DCHECK(codegen_->info()->is_calling()); | 369 DCHECK(codegen_->info()->is_calling()); |
370 } | 370 } |
371 | 371 |
372 ~PushSafepointRegistersScope() { | 372 ~PushSafepointRegistersScope() { |
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414 Label entry_; | 414 Label entry_; |
415 Label exit_; | 415 Label exit_; |
416 Label* external_exit_; | 416 Label* external_exit_; |
417 Label done_; | 417 Label done_; |
418 int instruction_index_; | 418 int instruction_index_; |
419 }; | 419 }; |
420 | 420 |
421 } } // namespace v8::internal | 421 } } // namespace v8::internal |
422 | 422 |
423 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ | 423 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
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