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 3 // found in the LICENSE file. 4 5 #ifndef V8_IA32_LITHIUM_IA32_H_ 6 #define V8_IA32_LITHIUM_IA32_H_ 7 8 #include "src/hydrogen.h" 9 #include "src/lithium-allocator.h" 10 #include "src/lithium.h" 11 #include "src/safepoint-table.h" 12 #include "src/utils.h" 13 14 namespace v8 { 15 namespace internal { 16 17 // Forward declarations. 18 class LCodeGen; 19 20 #define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \ 21 V(AccessArgumentsAt) \ 22 V(AddI) \ 23 V(AllocateBlockContext) \ 24 V(Allocate) \ 25 V(ApplyArguments) \ 26 V(ArgumentsElements) \ 27 V(ArgumentsLength) \ 28 V(ArithmeticD) \ 29 V(ArithmeticT) \ 30 V(BitI) \ 31 V(BoundsCheck) \ 32 V(Branch) \ 33 V(CallJSFunction) \ 34 V(CallWithDescriptor) \ 35 V(CallFunction) \ 36 V(CallNew) \ 37 V(CallNewArray) \ 38 V(CallRuntime) \ 39 V(CallStub) \ 40 V(CheckInstanceType) \ 41 V(CheckMaps) \ 42 V(CheckMapValue) \ 43 V(CheckNonSmi) \ 44 V(CheckSmi) \ 45 V(CheckValue) \ 46 V(ClampDToUint8) \ 47 V(ClampIToUint8) \ 48 V(ClampTToUint8) \ 49 V(ClassOfTestAndBranch) \ 50 V(CompareMinusZeroAndBranch) \ 51 V(CompareNumericAndBranch) \ 52 V(CmpObjectEqAndBranch) \ 53 V(CmpHoleAndBranch) \ 54 V(CmpMapAndBranch) \ 55 V(CmpT) \ 56 V(ConstantD) \ 57 V(ConstantE) \ 58 V(ConstantI) \ 59 V(ConstantS) \ 60 V(ConstantT) \ 61 V(ConstructDouble) \ 62 V(Context) \ 63 V(DateField) \ 64 V(DebugBreak) \ 65 V(DeclareGlobals) \ 66 V(Deoptimize) \ 67 V(DivByConstI) \ 68 V(DivByPowerOf2I) \ 69 V(DivI) \ 70 V(DoubleBits) \ 71 V(DoubleToI) \ 72 V(DoubleToSmi) \ 73 V(Drop) \ 74 V(Dummy) \ 75 V(DummyUse) \ 76 V(FlooringDivByConstI) \ 77 V(FlooringDivByPowerOf2I) \ 78 V(FlooringDivI) \ 79 V(ForInCacheArray) \ 80 V(ForInPrepareMap) \ 81 V(FunctionLiteral) \ 82 V(GetCachedArrayIndex) \ 83 V(Goto) \ 84 V(HasCachedArrayIndexAndBranch) \ 85 V(HasInstanceTypeAndBranch) \ 86 V(InnerAllocatedObject) \ 87 V(InstanceOf) \ 88 V(InstanceOfKnownGlobal) \ 89 V(InstructionGap) \ 90 V(Integer32ToDouble) \ 91 V(InvokeFunction) \ 92 V(IsConstructCallAndBranch) \ 93 V(IsObjectAndBranch) \ 94 V(IsStringAndBranch) \ 95 V(IsSmiAndBranch) \ 96 V(IsUndetectableAndBranch) \ 97 V(Label) \ 98 V(LazyBailout) \ 99 V(LoadContextSlot) \ 100 V(LoadFieldByIndex) \ 101 V(LoadFunctionPrototype) \ 102 V(LoadGlobalCell) \ 103 V(LoadGlobalGeneric) \ 104 V(LoadKeyed) \ 105 V(LoadKeyedGeneric) \ 106 V(LoadNamedField) \ 107 V(LoadNamedGeneric) \ 108 V(LoadRoot) \ 109 V(MapEnumLength) \ 110 V(MathAbs) \ 111 V(MathClz32) \ 112 V(MathExp) \ 113 V(MathFloor) \ 114 V(MathLog) \ 115 V(MathMinMax) \ 116 V(MathPowHalf) \ 117 V(MathRound) \ 118 V(MathSqrt) \ 119 V(ModByConstI) \ 120 V(ModByPowerOf2I) \ 121 V(ModI) \ 122 V(MulI) \ 123 V(NumberTagD) \ 124 V(NumberTagI) \ 125 V(NumberTagU) \ 126 V(NumberUntagD) \ 127 V(OsrEntry) \ 128 V(Parameter) \ 129 V(Power) \ 130 V(PushArgument) \ 131 V(RegExpLiteral) \ 132 V(Return) \ 133 V(SeqStringGetChar) \ 134 V(SeqStringSetChar) \ 135 V(ShiftI) \ 136 V(SmiTag) \ 137 V(SmiUntag) \ 138 V(StackCheck) \ 139 V(StoreCodeEntry) \ 140 V(StoreContextSlot) \ 141 V(StoreFrameContext) \ 142 V(StoreGlobalCell) \ 143 V(StoreKeyed) \ 144 V(StoreKeyedGeneric) \ 145 V(StoreNamedField) \ 146 V(StoreNamedGeneric) \ 147 V(StringAdd) \ 148 V(StringCharCodeAt) \ 149 V(StringCharFromCode) \ 150 V(StringCompareAndBranch) \ 151 V(SubI) \ 152 V(TaggedToI) \ 153 V(ThisFunction) \ 154 V(ToFastProperties) \ 155 V(TransitionElementsKind) \ 156 V(TrapAllocationMemento) \ 157 V(Typeof) \ 158 V(TypeofIsAndBranch) \ 159 V(Uint32ToDouble) \ 160 V(UnknownOSRValue) \ 161 V(WrapReceiver) 162 163 164 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic) \ 165 virtual Opcode opcode() const V8_FINAL V8_OVERRIDE { \ 166 return LInstruction::k##type; \ 167 } \ 168 virtual void CompileToNative(LCodeGen* generator) V8_FINAL V8_OVERRIDE; \ 169 virtual const char* Mnemonic() const V8_FINAL V8_OVERRIDE { \ 170 return mnemonic; \ 171 } \ 172 static L##type* cast(LInstruction* instr) { \ 173 ASSERT(instr->Is##type()); \ 174 return reinterpret_cast<L##type*>(instr); \ 175 } 176 177 178 #define DECLARE_HYDROGEN_ACCESSOR(type) \ 179 H##type* hydrogen() const { \ 180 return H##type::cast(hydrogen_value()); \ 181 } 182 183 184 class LInstruction : public ZoneObject { 185 public: 186 LInstruction() 187 : environment_(NULL), 188 hydrogen_value_(NULL), 189 bit_field_(IsCallBits::encode(false)) { 190 } 191 192 virtual ~LInstruction() {} 193 194 virtual void CompileToNative(LCodeGen* generator) = 0; 195 virtual const char* Mnemonic() const = 0; 196 virtual void PrintTo(StringStream* stream); 197 virtual void PrintDataTo(StringStream* stream); 198 virtual void PrintOutputOperandTo(StringStream* stream); 199 200 enum Opcode { 201 // Declare a unique enum value for each instruction. 202 #define DECLARE_OPCODE(type) k##type, 203 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE) 204 kNumberOfInstructions 205 #undef DECLARE_OPCODE 206 }; 207 208 virtual Opcode opcode() const = 0; 209 210 // Declare non-virtual type testers for all leaf IR classes. 211 #define DECLARE_PREDICATE(type) \ 212 bool Is##type() const { return opcode() == k##type; } 213 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE) 214 #undef DECLARE_PREDICATE 215 216 // Declare virtual predicates for instructions that don't have 217 // an opcode. 218 virtual bool IsGap() const { return false; } 219 220 virtual bool IsControl() const { return false; } 221 222 void set_environment(LEnvironment* env) { environment_ = env; } 223 LEnvironment* environment() const { return environment_; } 224 bool HasEnvironment() const { return environment_ != NULL; } 225 226 void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); } 227 LPointerMap* pointer_map() const { return pointer_map_.get(); } 228 bool HasPointerMap() const { return pointer_map_.is_set(); } 229 230 void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; } 231 HValue* hydrogen_value() const { return hydrogen_value_; } 232 233 virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { } 234 235 void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); } 236 bool IsCall() const { return IsCallBits::decode(bit_field_); } 237 238 // Interface to the register allocator and iterators. 239 bool ClobbersTemps() const { return IsCall(); } 240 bool ClobbersRegisters() const { return IsCall(); } 241 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const { 242 return IsCall(); 243 } 244 245 virtual bool HasResult() const = 0; 246 virtual LOperand* result() const = 0; 247 248 bool HasDoubleRegisterResult(); 249 bool HasDoubleRegisterInput(); 250 251 LOperand* FirstInput() { return InputAt(0); } 252 LOperand* Output() { return HasResult() ? result() : NULL; } 253 254 virtual bool HasInterestingComment(LCodeGen* gen) const { return true; } 255 256 #ifdef DEBUG 257 void VerifyCall(); 258 #endif 259 260 private: 261 // Iterator support. 262 friend class InputIterator; 263 virtual int InputCount() = 0; 264 virtual LOperand* InputAt(int i) = 0; 265 266 friend class TempIterator; 267 virtual int TempCount() = 0; 268 virtual LOperand* TempAt(int i) = 0; 269 270 class IsCallBits: public BitField<bool, 0, 1> {}; 271 272 LEnvironment* environment_; 273 SetOncePointer<LPointerMap> pointer_map_; 274 HValue* hydrogen_value_; 275 int bit_field_; 276 }; 277 278 279 // R = number of result operands (0 or 1). 280 template<int R> 281 class LTemplateResultInstruction : public LInstruction { 282 public: 283 // Allow 0 or 1 output operands. 284 STATIC_ASSERT(R == 0 || R == 1); 285 virtual bool HasResult() const V8_FINAL V8_OVERRIDE { 286 return R != 0 && result() != NULL; 287 } 288 void set_result(LOperand* operand) { results_[0] = operand; } 289 LOperand* result() const { return results_[0]; } 290 291 protected: 292 EmbeddedContainer<LOperand*, R> results_; 293 }; 294 295 296 // R = number of result operands (0 or 1). 297 // I = number of input operands. 298 // T = number of temporary operands. 299 template<int R, int I, int T> 300 class LTemplateInstruction : public LTemplateResultInstruction<R> { 301 protected: 302 EmbeddedContainer<LOperand*, I> inputs_; 303 EmbeddedContainer<LOperand*, T> temps_; 304 305 private: 306 // Iterator support. 307 virtual int InputCount() V8_FINAL V8_OVERRIDE { return I; } 308 virtual LOperand* InputAt(int i) V8_FINAL V8_OVERRIDE { return inputs_[i]; } 309 310 virtual int TempCount() V8_FINAL V8_OVERRIDE { return T; } 311 virtual LOperand* TempAt(int i) V8_FINAL V8_OVERRIDE { return temps_[i]; } 312 }; 313 314 315 class LGap : public LTemplateInstruction<0, 0, 0> { 316 public: 317 explicit LGap(HBasicBlock* block) : block_(block) { 318 parallel_moves_[BEFORE] = NULL; 319 parallel_moves_[START] = NULL; 320 parallel_moves_[END] = NULL; 321 parallel_moves_[AFTER] = NULL; 322 } 323 324 // Can't use the DECLARE-macro here because of sub-classes. 325 virtual bool IsGap() const V8_FINAL V8_OVERRIDE { return true; } 326 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 327 static LGap* cast(LInstruction* instr) { 328 ASSERT(instr->IsGap()); 329 return reinterpret_cast<LGap*>(instr); 330 } 331 332 bool IsRedundant() const; 333 334 HBasicBlock* block() const { return block_; } 335 336 enum InnerPosition { 337 BEFORE, 338 START, 339 END, 340 AFTER, 341 FIRST_INNER_POSITION = BEFORE, 342 LAST_INNER_POSITION = AFTER 343 }; 344 345 LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone) { 346 if (parallel_moves_[pos] == NULL) { 347 parallel_moves_[pos] = new(zone) LParallelMove(zone); 348 } 349 return parallel_moves_[pos]; 350 } 351 352 LParallelMove* GetParallelMove(InnerPosition pos) { 353 return parallel_moves_[pos]; 354 } 355 356 private: 357 LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1]; 358 HBasicBlock* block_; 359 }; 360 361 362 class LInstructionGap V8_FINAL : public LGap { 363 public: 364 explicit LInstructionGap(HBasicBlock* block) : LGap(block) { } 365 366 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE { 367 return !IsRedundant(); 368 } 369 370 DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap") 371 }; 372 373 374 class LGoto V8_FINAL : public LTemplateInstruction<0, 0, 0> { 375 public: 376 explicit LGoto(HBasicBlock* block) : block_(block) { } 377 378 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE; 379 DECLARE_CONCRETE_INSTRUCTION(Goto, "goto") 380 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 381 virtual bool IsControl() const V8_OVERRIDE { return true; } 382 383 int block_id() const { return block_->block_id(); } 384 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const V8_OVERRIDE { 385 return false; 386 } 387 388 bool jumps_to_join() const { return block_->predecessors()->length() > 1; } 389 390 private: 391 HBasicBlock* block_; 392 }; 393 394 395 class LLazyBailout V8_FINAL : public LTemplateInstruction<0, 0, 0> { 396 public: 397 DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout") 398 }; 399 400 401 class LDummy V8_FINAL : public LTemplateInstruction<1, 0, 0> { 402 public: 403 explicit LDummy() { } 404 DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy") 405 }; 406 407 408 class LDummyUse V8_FINAL : public LTemplateInstruction<1, 1, 0> { 409 public: 410 explicit LDummyUse(LOperand* value) { 411 inputs_[0] = value; 412 } 413 DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use") 414 }; 415 416 417 class LDeoptimize V8_FINAL : public LTemplateInstruction<0, 0, 0> { 418 public: 419 virtual bool IsControl() const V8_OVERRIDE { return true; } 420 DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize") 421 DECLARE_HYDROGEN_ACCESSOR(Deoptimize) 422 }; 423 424 425 class LLabel V8_FINAL : public LGap { 426 public: 427 explicit LLabel(HBasicBlock* block) 428 : LGap(block), replacement_(NULL) { } 429 430 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE { 431 return false; 432 } 433 DECLARE_CONCRETE_INSTRUCTION(Label, "label") 434 435 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 436 437 int block_id() const { return block()->block_id(); } 438 bool is_loop_header() const { return block()->IsLoopHeader(); } 439 bool is_osr_entry() const { return block()->is_osr_entry(); } 440 Label* label() { return &label_; } 441 LLabel* replacement() const { return replacement_; } 442 void set_replacement(LLabel* label) { replacement_ = label; } 443 bool HasReplacement() const { return replacement_ != NULL; } 444 445 private: 446 Label label_; 447 LLabel* replacement_; 448 }; 449 450 451 class LParameter V8_FINAL : public LTemplateInstruction<1, 0, 0> { 452 public: 453 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE { 454 return false; 455 } 456 DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter") 457 }; 458 459 460 class LCallStub V8_FINAL : public LTemplateInstruction<1, 1, 0> { 461 public: 462 explicit LCallStub(LOperand* context) { 463 inputs_[0] = context; 464 } 465 466 LOperand* context() { return inputs_[0]; } 467 468 DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub") 469 DECLARE_HYDROGEN_ACCESSOR(CallStub) 470 }; 471 472 473 class LUnknownOSRValue V8_FINAL : public LTemplateInstruction<1, 0, 0> { 474 public: 475 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE { 476 return false; 477 } 478 DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value") 479 }; 480 481 482 template<int I, int T> 483 class LControlInstruction: public LTemplateInstruction<0, I, T> { 484 public: 485 LControlInstruction() : false_label_(NULL), true_label_(NULL) { } 486 487 virtual bool IsControl() const V8_FINAL V8_OVERRIDE { return true; } 488 489 int SuccessorCount() { return hydrogen()->SuccessorCount(); } 490 HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); } 491 492 int TrueDestination(LChunk* chunk) { 493 return chunk->LookupDestination(true_block_id()); 494 } 495 int FalseDestination(LChunk* chunk) { 496 return chunk->LookupDestination(false_block_id()); 497 } 498 499 Label* TrueLabel(LChunk* chunk) { 500 if (true_label_ == NULL) { 501 true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk)); 502 } 503 return true_label_; 504 } 505 Label* FalseLabel(LChunk* chunk) { 506 if (false_label_ == NULL) { 507 false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk)); 508 } 509 return false_label_; 510 } 511 512 protected: 513 int true_block_id() { return SuccessorAt(0)->block_id(); } 514 int false_block_id() { return SuccessorAt(1)->block_id(); } 515 516 private: 517 HControlInstruction* hydrogen() { 518 return HControlInstruction::cast(this->hydrogen_value()); 519 } 520 521 Label* false_label_; 522 Label* true_label_; 523 }; 524 525 526 class LWrapReceiver V8_FINAL : public LTemplateInstruction<1, 2, 1> { 527 public: 528 LWrapReceiver(LOperand* receiver, 529 LOperand* function, 530 LOperand* temp) { 531 inputs_[0] = receiver; 532 inputs_[1] = function; 533 temps_[0] = temp; 534 } 535 536 LOperand* receiver() { return inputs_[0]; } 537 LOperand* function() { return inputs_[1]; } 538 LOperand* temp() { return temps_[0]; } 539 540 DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver") 541 DECLARE_HYDROGEN_ACCESSOR(WrapReceiver) 542 }; 543 544 545 class LApplyArguments V8_FINAL : public LTemplateInstruction<1, 4, 0> { 546 public: 547 LApplyArguments(LOperand* function, 548 LOperand* receiver, 549 LOperand* length, 550 LOperand* elements) { 551 inputs_[0] = function; 552 inputs_[1] = receiver; 553 inputs_[2] = length; 554 inputs_[3] = elements; 555 } 556 557 LOperand* function() { return inputs_[0]; } 558 LOperand* receiver() { return inputs_[1]; } 559 LOperand* length() { return inputs_[2]; } 560 LOperand* elements() { return inputs_[3]; } 561 562 DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments") 563 }; 564 565 566 class LAccessArgumentsAt V8_FINAL : public LTemplateInstruction<1, 3, 0> { 567 public: 568 LAccessArgumentsAt(LOperand* arguments, LOperand* length, LOperand* index) { 569 inputs_[0] = arguments; 570 inputs_[1] = length; 571 inputs_[2] = index; 572 } 573 574 LOperand* arguments() { return inputs_[0]; } 575 LOperand* length() { return inputs_[1]; } 576 LOperand* index() { return inputs_[2]; } 577 578 DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at") 579 580 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 581 }; 582 583 584 class LArgumentsLength V8_FINAL : public LTemplateInstruction<1, 1, 0> { 585 public: 586 explicit LArgumentsLength(LOperand* elements) { 587 inputs_[0] = elements; 588 } 589 590 LOperand* elements() { return inputs_[0]; } 591 592 DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length") 593 }; 594 595 596 class LArgumentsElements V8_FINAL : public LTemplateInstruction<1, 0, 0> { 597 public: 598 DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements") 599 DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements) 600 }; 601 602 603 class LDebugBreak V8_FINAL : public LTemplateInstruction<0, 0, 0> { 604 public: 605 DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break") 606 }; 607 608 609 class LModByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> { 610 public: 611 LModByPowerOf2I(LOperand* dividend, int32_t divisor) { 612 inputs_[0] = dividend; 613 divisor_ = divisor; 614 } 615 616 LOperand* dividend() { return inputs_[0]; } 617 int32_t divisor() const { return divisor_; } 618 619 DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i") 620 DECLARE_HYDROGEN_ACCESSOR(Mod) 621 622 private: 623 int32_t divisor_; 624 }; 625 626 627 class LModByConstI V8_FINAL : public LTemplateInstruction<1, 1, 2> { 628 public: 629 LModByConstI(LOperand* dividend, 630 int32_t divisor, 631 LOperand* temp1, 632 LOperand* temp2) { 633 inputs_[0] = dividend; 634 divisor_ = divisor; 635 temps_[0] = temp1; 636 temps_[1] = temp2; 637 } 638 639 LOperand* dividend() { return inputs_[0]; } 640 int32_t divisor() const { return divisor_; } 641 LOperand* temp1() { return temps_[0]; } 642 LOperand* temp2() { return temps_[1]; } 643 644 DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i") 645 DECLARE_HYDROGEN_ACCESSOR(Mod) 646 647 private: 648 int32_t divisor_; 649 }; 650 651 652 class LModI V8_FINAL : public LTemplateInstruction<1, 2, 1> { 653 public: 654 LModI(LOperand* left, LOperand* right, LOperand* temp) { 655 inputs_[0] = left; 656 inputs_[1] = right; 657 temps_[0] = temp; 658 } 659 660 LOperand* left() { return inputs_[0]; } 661 LOperand* right() { return inputs_[1]; } 662 LOperand* temp() { return temps_[0]; } 663 664 DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i") 665 DECLARE_HYDROGEN_ACCESSOR(Mod) 666 }; 667 668 669 class LDivByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> { 670 public: 671 LDivByPowerOf2I(LOperand* dividend, int32_t divisor) { 672 inputs_[0] = dividend; 673 divisor_ = divisor; 674 } 675 676 LOperand* dividend() { return inputs_[0]; } 677 int32_t divisor() const { return divisor_; } 678 679 DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i") 680 DECLARE_HYDROGEN_ACCESSOR(Div) 681 682 private: 683 int32_t divisor_; 684 }; 685 686 687 class LDivByConstI V8_FINAL : public LTemplateInstruction<1, 1, 2> { 688 public: 689 LDivByConstI(LOperand* dividend, 690 int32_t divisor, 691 LOperand* temp1, 692 LOperand* temp2) { 693 inputs_[0] = dividend; 694 divisor_ = divisor; 695 temps_[0] = temp1; 696 temps_[1] = temp2; 697 } 698 699 LOperand* dividend() { return inputs_[0]; } 700 int32_t divisor() const { return divisor_; } 701 LOperand* temp1() { return temps_[0]; } 702 LOperand* temp2() { return temps_[1]; } 703 704 DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i") 705 DECLARE_HYDROGEN_ACCESSOR(Div) 706 707 private: 708 int32_t divisor_; 709 }; 710 711 712 class LDivI V8_FINAL : public LTemplateInstruction<1, 2, 1> { 713 public: 714 LDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) { 715 inputs_[0] = dividend; 716 inputs_[1] = divisor; 717 temps_[0] = temp; 718 } 719 720 LOperand* dividend() { return inputs_[0]; } 721 LOperand* divisor() { return inputs_[1]; } 722 LOperand* temp() { return temps_[0]; } 723 724 DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i") 725 DECLARE_HYDROGEN_ACCESSOR(BinaryOperation) 726 }; 727 728 729 class LFlooringDivByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> { 730 public: 731 LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) { 732 inputs_[0] = dividend; 733 divisor_ = divisor; 734 } 735 736 LOperand* dividend() { return inputs_[0]; } 737 int32_t divisor() const { return divisor_; } 738 739 DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I, 740 "flooring-div-by-power-of-2-i") 741 DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv) 742 743 private: 744 int32_t divisor_; 745 }; 746 747 748 class LFlooringDivByConstI V8_FINAL : public LTemplateInstruction<1, 1, 3> { 749 public: 750 LFlooringDivByConstI(LOperand* dividend, 751 int32_t divisor, 752 LOperand* temp1, 753 LOperand* temp2, 754 LOperand* temp3) { 755 inputs_[0] = dividend; 756 divisor_ = divisor; 757 temps_[0] = temp1; 758 temps_[1] = temp2; 759 temps_[2] = temp3; 760 } 761 762 LOperand* dividend() { return inputs_[0]; } 763 int32_t divisor() const { return divisor_; } 764 LOperand* temp1() { return temps_[0]; } 765 LOperand* temp2() { return temps_[1]; } 766 LOperand* temp3() { return temps_[2]; } 767 768 DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i") 769 DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv) 770 771 private: 772 int32_t divisor_; 773 }; 774 775 776 class LFlooringDivI V8_FINAL : public LTemplateInstruction<1, 2, 1> { 777 public: 778 LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) { 779 inputs_[0] = dividend; 780 inputs_[1] = divisor; 781 temps_[0] = temp; 782 } 783 784 LOperand* dividend() { return inputs_[0]; } 785 LOperand* divisor() { return inputs_[1]; } 786 LOperand* temp() { return temps_[0]; } 787 788 DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i") 789 DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv) 790 }; 791 792 793 class LMulI V8_FINAL : public LTemplateInstruction<1, 2, 1> { 794 public: 795 LMulI(LOperand* left, LOperand* right, LOperand* temp) { 796 inputs_[0] = left; 797 inputs_[1] = right; 798 temps_[0] = temp; 799 } 800 801 LOperand* left() { return inputs_[0]; } 802 LOperand* right() { return inputs_[1]; } 803 LOperand* temp() { return temps_[0]; } 804 805 DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i") 806 DECLARE_HYDROGEN_ACCESSOR(Mul) 807 }; 808 809 810 class LCompareNumericAndBranch V8_FINAL : public LControlInstruction<2, 0> { 811 public: 812 LCompareNumericAndBranch(LOperand* left, LOperand* right) { 813 inputs_[0] = left; 814 inputs_[1] = right; 815 } 816 817 LOperand* left() { return inputs_[0]; } 818 LOperand* right() { return inputs_[1]; } 819 820 DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch, 821 "compare-numeric-and-branch") 822 DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch) 823 824 Token::Value op() const { return hydrogen()->token(); } 825 bool is_double() const { 826 return hydrogen()->representation().IsDouble(); 827 } 828 829 virtual void PrintDataTo(StringStream* stream); 830 }; 831 832 833 class LMathFloor V8_FINAL : public LTemplateInstruction<1, 1, 0> { 834 public: 835 explicit LMathFloor(LOperand* value) { 836 inputs_[0] = value; 837 } 838 839 LOperand* value() { return inputs_[0]; } 840 841 DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor") 842 DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation) 843 }; 844 845 846 class LMathRound V8_FINAL : public LTemplateInstruction<1, 1, 1> { 847 public: 848 LMathRound(LOperand* value, LOperand* temp) { 849 inputs_[0] = value; 850 temps_[0] = temp; 851 } 852 853 LOperand* value() { return inputs_[0]; } 854 LOperand* temp() { return temps_[0]; } 855 856 DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round") 857 DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation) 858 }; 859 860 861 class LMathAbs V8_FINAL : public LTemplateInstruction<1, 2, 0> { 862 public: 863 LMathAbs(LOperand* context, LOperand* value) { 864 inputs_[1] = context; 865 inputs_[0] = value; 866 } 867 868 LOperand* context() { return inputs_[1]; } 869 LOperand* value() { return inputs_[0]; } 870 871 DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs") 872 DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation) 873 }; 874 875 876 class LMathLog V8_FINAL : public LTemplateInstruction<1, 1, 0> { 877 public: 878 explicit LMathLog(LOperand* value) { 879 inputs_[0] = value; 880 } 881 882 LOperand* value() { return inputs_[0]; } 883 884 DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log") 885 }; 886 887 888 class LMathClz32 V8_FINAL : public LTemplateInstruction<1, 1, 0> { 889 public: 890 explicit LMathClz32(LOperand* value) { 891 inputs_[0] = value; 892 } 893 894 LOperand* value() { return inputs_[0]; } 895 896 DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32") 897 }; 898 899 900 class LMathExp V8_FINAL : public LTemplateInstruction<1, 1, 2> { 901 public: 902 LMathExp(LOperand* value, 903 LOperand* temp1, 904 LOperand* temp2) { 905 inputs_[0] = value; 906 temps_[0] = temp1; 907 temps_[1] = temp2; 908 ExternalReference::InitializeMathExpData(); 909 } 910 911 LOperand* value() { return inputs_[0]; } 912 LOperand* temp1() { return temps_[0]; } 913 LOperand* temp2() { return temps_[1]; } 914 915 DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp") 916 }; 917 918 919 class LMathSqrt V8_FINAL : public LTemplateInstruction<1, 1, 0> { 920 public: 921 explicit LMathSqrt(LOperand* value) { 922 inputs_[0] = value; 923 } 924 925 LOperand* value() { return inputs_[0]; } 926 927 DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt") 928 }; 929 930 931 class LMathPowHalf V8_FINAL : public LTemplateInstruction<1, 1, 1> { 932 public: 933 LMathPowHalf(LOperand* value, LOperand* temp) { 934 inputs_[0] = value; 935 temps_[0] = temp; 936 } 937 938 LOperand* value() { return inputs_[0]; } 939 LOperand* temp() { return temps_[0]; } 940 941 DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half") 942 }; 943 944 945 class LCmpObjectEqAndBranch V8_FINAL : public LControlInstruction<2, 0> { 946 public: 947 LCmpObjectEqAndBranch(LOperand* left, LOperand* right) { 948 inputs_[0] = left; 949 inputs_[1] = right; 950 } 951 952 LOperand* left() { return inputs_[0]; } 953 LOperand* right() { return inputs_[1]; } 954 955 DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch") 956 }; 957 958 959 class LCmpHoleAndBranch V8_FINAL : public LControlInstruction<1, 0> { 960 public: 961 explicit LCmpHoleAndBranch(LOperand* object) { 962 inputs_[0] = object; 963 } 964 965 LOperand* object() { return inputs_[0]; } 966 967 DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranch, "cmp-hole-and-branch") 968 DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch) 969 }; 970 971 972 class LCompareMinusZeroAndBranch V8_FINAL : public LControlInstruction<1, 1> { 973 public: 974 LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) { 975 inputs_[0] = value; 976 temps_[0] = temp; 977 } 978 979 LOperand* value() { return inputs_[0]; } 980 LOperand* temp() { return temps_[0]; } 981 982 DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch, 983 "cmp-minus-zero-and-branch") 984 DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch) 985 }; 986 987 988 class LIsObjectAndBranch V8_FINAL : public LControlInstruction<1, 1> { 989 public: 990 LIsObjectAndBranch(LOperand* value, LOperand* temp) { 991 inputs_[0] = value; 992 temps_[0] = temp; 993 } 994 995 LOperand* value() { return inputs_[0]; } 996 LOperand* temp() { return temps_[0]; } 997 998 DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch") 999 1000 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1001 }; 1002 1003 1004 class LIsStringAndBranch V8_FINAL : public LControlInstruction<1, 1> { 1005 public: 1006 LIsStringAndBranch(LOperand* value, LOperand* temp) { 1007 inputs_[0] = value; 1008 temps_[0] = temp; 1009 } 1010 1011 LOperand* value() { return inputs_[0]; } 1012 LOperand* temp() { return temps_[0]; } 1013 1014 DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch") 1015 DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch) 1016 1017 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1018 }; 1019 1020 1021 class LIsSmiAndBranch V8_FINAL : public LControlInstruction<1, 0> { 1022 public: 1023 explicit LIsSmiAndBranch(LOperand* value) { 1024 inputs_[0] = value; 1025 } 1026 1027 LOperand* value() { return inputs_[0]; } 1028 1029 DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch") 1030 DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch) 1031 1032 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1033 }; 1034 1035 1036 class LIsUndetectableAndBranch V8_FINAL : public LControlInstruction<1, 1> { 1037 public: 1038 LIsUndetectableAndBranch(LOperand* value, LOperand* temp) { 1039 inputs_[0] = value; 1040 temps_[0] = temp; 1041 } 1042 1043 LOperand* value() { return inputs_[0]; } 1044 LOperand* temp() { return temps_[0]; } 1045 1046 DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch, 1047 "is-undetectable-and-branch") 1048 DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch) 1049 1050 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1051 }; 1052 1053 1054 class LStringCompareAndBranch V8_FINAL : public LControlInstruction<3, 0> { 1055 public: 1056 LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) { 1057 inputs_[0] = context; 1058 inputs_[1] = left; 1059 inputs_[2] = right; 1060 } 1061 1062 LOperand* context() { return inputs_[1]; } 1063 LOperand* left() { return inputs_[1]; } 1064 LOperand* right() { return inputs_[2]; } 1065 1066 DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch, 1067 "string-compare-and-branch") 1068 DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch) 1069 1070 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1071 1072 Token::Value op() const { return hydrogen()->token(); } 1073 }; 1074 1075 1076 class LHasInstanceTypeAndBranch V8_FINAL : public LControlInstruction<1, 1> { 1077 public: 1078 LHasInstanceTypeAndBranch(LOperand* value, LOperand* temp) { 1079 inputs_[0] = value; 1080 temps_[0] = temp; 1081 } 1082 1083 LOperand* value() { return inputs_[0]; } 1084 LOperand* temp() { return temps_[0]; } 1085 1086 DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch, 1087 "has-instance-type-and-branch") 1088 DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch) 1089 1090 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1091 }; 1092 1093 1094 class LGetCachedArrayIndex V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1095 public: 1096 explicit LGetCachedArrayIndex(LOperand* value) { 1097 inputs_[0] = value; 1098 } 1099 1100 LOperand* value() { return inputs_[0]; } 1101 1102 DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index") 1103 DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex) 1104 }; 1105 1106 1107 class LHasCachedArrayIndexAndBranch V8_FINAL 1108 : public LControlInstruction<1, 0> { 1109 public: 1110 explicit LHasCachedArrayIndexAndBranch(LOperand* value) { 1111 inputs_[0] = value; 1112 } 1113 1114 LOperand* value() { return inputs_[0]; } 1115 1116 DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch, 1117 "has-cached-array-index-and-branch") 1118 1119 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1120 }; 1121 1122 1123 class LIsConstructCallAndBranch V8_FINAL : public LControlInstruction<0, 1> { 1124 public: 1125 explicit LIsConstructCallAndBranch(LOperand* temp) { 1126 temps_[0] = temp; 1127 } 1128 1129 LOperand* temp() { return temps_[0]; } 1130 1131 DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch, 1132 "is-construct-call-and-branch") 1133 }; 1134 1135 1136 class LClassOfTestAndBranch V8_FINAL : public LControlInstruction<1, 2> { 1137 public: 1138 LClassOfTestAndBranch(LOperand* value, LOperand* temp, LOperand* temp2) { 1139 inputs_[0] = value; 1140 temps_[0] = temp; 1141 temps_[1] = temp2; 1142 } 1143 1144 LOperand* value() { return inputs_[0]; } 1145 LOperand* temp() { return temps_[0]; } 1146 LOperand* temp2() { return temps_[1]; } 1147 1148 DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch, 1149 "class-of-test-and-branch") 1150 DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch) 1151 1152 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1153 }; 1154 1155 1156 class LCmpT V8_FINAL : public LTemplateInstruction<1, 3, 0> { 1157 public: 1158 LCmpT(LOperand* context, LOperand* left, LOperand* right) { 1159 inputs_[0] = context; 1160 inputs_[1] = left; 1161 inputs_[2] = right; 1162 } 1163 1164 DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t") 1165 DECLARE_HYDROGEN_ACCESSOR(CompareGeneric) 1166 1167 LOperand* context() { return inputs_[0]; } 1168 Token::Value op() const { return hydrogen()->token(); } 1169 }; 1170 1171 1172 class LInstanceOf V8_FINAL : public LTemplateInstruction<1, 3, 0> { 1173 public: 1174 LInstanceOf(LOperand* context, LOperand* left, LOperand* right) { 1175 inputs_[0] = context; 1176 inputs_[1] = left; 1177 inputs_[2] = right; 1178 } 1179 1180 LOperand* context() { return inputs_[0]; } 1181 1182 DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of") 1183 }; 1184 1185 1186 class LInstanceOfKnownGlobal V8_FINAL : public LTemplateInstruction<1, 2, 1> { 1187 public: 1188 LInstanceOfKnownGlobal(LOperand* context, LOperand* value, LOperand* temp) { 1189 inputs_[0] = context; 1190 inputs_[1] = value; 1191 temps_[0] = temp; 1192 } 1193 1194 LOperand* context() { return inputs_[0]; } 1195 LOperand* value() { return inputs_[1]; } 1196 LOperand* temp() { return temps_[0]; } 1197 1198 DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal, 1199 "instance-of-known-global") 1200 DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal) 1201 1202 Handle<JSFunction> function() const { return hydrogen()->function(); } 1203 LEnvironment* GetDeferredLazyDeoptimizationEnvironment() { 1204 return lazy_deopt_env_; 1205 } 1206 virtual void SetDeferredLazyDeoptimizationEnvironment( 1207 LEnvironment* env) V8_OVERRIDE { 1208 lazy_deopt_env_ = env; 1209 } 1210 1211 private: 1212 LEnvironment* lazy_deopt_env_; 1213 }; 1214 1215 1216 class LBoundsCheck V8_FINAL : public LTemplateInstruction<0, 2, 0> { 1217 public: 1218 LBoundsCheck(LOperand* index, LOperand* length) { 1219 inputs_[0] = index; 1220 inputs_[1] = length; 1221 } 1222 1223 LOperand* index() { return inputs_[0]; } 1224 LOperand* length() { return inputs_[1]; } 1225 1226 DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check") 1227 DECLARE_HYDROGEN_ACCESSOR(BoundsCheck) 1228 }; 1229 1230 1231 class LBitI V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1232 public: 1233 LBitI(LOperand* left, LOperand* right) { 1234 inputs_[0] = left; 1235 inputs_[1] = right; 1236 } 1237 1238 LOperand* left() { return inputs_[0]; } 1239 LOperand* right() { return inputs_[1]; } 1240 1241 DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i") 1242 DECLARE_HYDROGEN_ACCESSOR(Bitwise) 1243 1244 Token::Value op() const { return hydrogen()->op(); } 1245 }; 1246 1247 1248 class LShiftI V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1249 public: 1250 LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt) 1251 : op_(op), can_deopt_(can_deopt) { 1252 inputs_[0] = left; 1253 inputs_[1] = right; 1254 } 1255 1256 LOperand* left() { return inputs_[0]; } 1257 LOperand* right() { return inputs_[1]; } 1258 1259 DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i") 1260 1261 Token::Value op() const { return op_; } 1262 bool can_deopt() const { return can_deopt_; } 1263 1264 private: 1265 Token::Value op_; 1266 bool can_deopt_; 1267 }; 1268 1269 1270 class LSubI V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1271 public: 1272 LSubI(LOperand* left, LOperand* right) { 1273 inputs_[0] = left; 1274 inputs_[1] = right; 1275 } 1276 1277 LOperand* left() { return inputs_[0]; } 1278 LOperand* right() { return inputs_[1]; } 1279 1280 DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i") 1281 DECLARE_HYDROGEN_ACCESSOR(Sub) 1282 }; 1283 1284 1285 class LConstantI V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1286 public: 1287 DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i") 1288 DECLARE_HYDROGEN_ACCESSOR(Constant) 1289 1290 int32_t value() const { return hydrogen()->Integer32Value(); } 1291 }; 1292 1293 1294 class LConstantS V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1295 public: 1296 DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s") 1297 DECLARE_HYDROGEN_ACCESSOR(Constant) 1298 1299 Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); } 1300 }; 1301 1302 1303 class LConstantD V8_FINAL : public LTemplateInstruction<1, 0, 1> { 1304 public: 1305 explicit LConstantD(LOperand* temp) { 1306 temps_[0] = temp; 1307 } 1308 1309 LOperand* temp() { return temps_[0]; } 1310 1311 DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d") 1312 DECLARE_HYDROGEN_ACCESSOR(Constant) 1313 1314 double value() const { return hydrogen()->DoubleValue(); } 1315 }; 1316 1317 1318 class LConstantE V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1319 public: 1320 DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e") 1321 DECLARE_HYDROGEN_ACCESSOR(Constant) 1322 1323 ExternalReference value() const { 1324 return hydrogen()->ExternalReferenceValue(); 1325 } 1326 }; 1327 1328 1329 class LConstantT V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1330 public: 1331 DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t") 1332 DECLARE_HYDROGEN_ACCESSOR(Constant) 1333 1334 Handle<Object> value(Isolate* isolate) const { 1335 return hydrogen()->handle(isolate); 1336 } 1337 }; 1338 1339 1340 class LBranch V8_FINAL : public LControlInstruction<1, 1> { 1341 public: 1342 LBranch(LOperand* value, LOperand* temp) { 1343 inputs_[0] = value; 1344 temps_[0] = temp; 1345 } 1346 1347 LOperand* value() { return inputs_[0]; } 1348 LOperand* temp() { return temps_[0]; } 1349 1350 DECLARE_CONCRETE_INSTRUCTION(Branch, "branch") 1351 DECLARE_HYDROGEN_ACCESSOR(Branch) 1352 1353 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1354 }; 1355 1356 1357 class LCmpMapAndBranch V8_FINAL : public LControlInstruction<1, 0> { 1358 public: 1359 explicit LCmpMapAndBranch(LOperand* value) { 1360 inputs_[0] = value; 1361 } 1362 1363 LOperand* value() { return inputs_[0]; } 1364 1365 DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch") 1366 DECLARE_HYDROGEN_ACCESSOR(CompareMap) 1367 1368 Handle<Map> map() const { return hydrogen()->map().handle(); } 1369 }; 1370 1371 1372 class LMapEnumLength V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1373 public: 1374 explicit LMapEnumLength(LOperand* value) { 1375 inputs_[0] = value; 1376 } 1377 1378 LOperand* value() { return inputs_[0]; } 1379 1380 DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length") 1381 }; 1382 1383 1384 class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 1> { 1385 public: 1386 LDateField(LOperand* date, LOperand* temp, Smi* index) 1387 : index_(index) { 1388 inputs_[0] = date; 1389 temps_[0] = temp; 1390 } 1391 1392 LOperand* date() { return inputs_[0]; } 1393 LOperand* temp() { return temps_[0]; } 1394 1395 DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field") 1396 DECLARE_HYDROGEN_ACCESSOR(DateField) 1397 1398 Smi* index() const { return index_; } 1399 1400 private: 1401 Smi* index_; 1402 }; 1403 1404 1405 class LSeqStringGetChar V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1406 public: 1407 LSeqStringGetChar(LOperand* string, LOperand* index) { 1408 inputs_[0] = string; 1409 inputs_[1] = index; 1410 } 1411 1412 LOperand* string() const { return inputs_[0]; } 1413 LOperand* index() const { return inputs_[1]; } 1414 1415 DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char") 1416 DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar) 1417 }; 1418 1419 1420 class LSeqStringSetChar V8_FINAL : public LTemplateInstruction<1, 4, 0> { 1421 public: 1422 LSeqStringSetChar(LOperand* context, 1423 LOperand* string, 1424 LOperand* index, 1425 LOperand* value) { 1426 inputs_[0] = context; 1427 inputs_[1] = string; 1428 inputs_[2] = index; 1429 inputs_[3] = value; 1430 } 1431 1432 LOperand* string() { return inputs_[1]; } 1433 LOperand* index() { return inputs_[2]; } 1434 LOperand* value() { return inputs_[3]; } 1435 1436 DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char") 1437 DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar) 1438 }; 1439 1440 1441 class LAddI V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1442 public: 1443 LAddI(LOperand* left, LOperand* right) { 1444 inputs_[0] = left; 1445 inputs_[1] = right; 1446 } 1447 1448 LOperand* left() { return inputs_[0]; } 1449 LOperand* right() { return inputs_[1]; } 1450 1451 static bool UseLea(HAdd* add) { 1452 return !add->CheckFlag(HValue::kCanOverflow) && 1453 add->BetterLeftOperand()->UseCount() > 1; 1454 } 1455 1456 DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i") 1457 DECLARE_HYDROGEN_ACCESSOR(Add) 1458 }; 1459 1460 1461 class LMathMinMax V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1462 public: 1463 LMathMinMax(LOperand* left, LOperand* right) { 1464 inputs_[0] = left; 1465 inputs_[1] = right; 1466 } 1467 1468 LOperand* left() { return inputs_[0]; } 1469 LOperand* right() { return inputs_[1]; } 1470 1471 DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max") 1472 DECLARE_HYDROGEN_ACCESSOR(MathMinMax) 1473 }; 1474 1475 1476 class LPower V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1477 public: 1478 LPower(LOperand* left, LOperand* right) { 1479 inputs_[0] = left; 1480 inputs_[1] = right; 1481 } 1482 1483 LOperand* left() { return inputs_[0]; } 1484 LOperand* right() { return inputs_[1]; } 1485 1486 DECLARE_CONCRETE_INSTRUCTION(Power, "power") 1487 DECLARE_HYDROGEN_ACCESSOR(Power) 1488 }; 1489 1490 1491 class LArithmeticD V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1492 public: 1493 LArithmeticD(Token::Value op, LOperand* left, LOperand* right) 1494 : op_(op) { 1495 inputs_[0] = left; 1496 inputs_[1] = right; 1497 } 1498 1499 LOperand* left() { return inputs_[0]; } 1500 LOperand* right() { return inputs_[1]; } 1501 1502 Token::Value op() const { return op_; } 1503 1504 virtual Opcode opcode() const V8_OVERRIDE { 1505 return LInstruction::kArithmeticD; 1506 } 1507 virtual void CompileToNative(LCodeGen* generator) V8_OVERRIDE; 1508 virtual const char* Mnemonic() const V8_OVERRIDE; 1509 1510 private: 1511 Token::Value op_; 1512 }; 1513 1514 1515 class LArithmeticT V8_FINAL : public LTemplateInstruction<1, 3, 0> { 1516 public: 1517 LArithmeticT(Token::Value op, 1518 LOperand* context, 1519 LOperand* left, 1520 LOperand* right) 1521 : op_(op) { 1522 inputs_[0] = context; 1523 inputs_[1] = left; 1524 inputs_[2] = right; 1525 } 1526 1527 LOperand* context() { return inputs_[0]; } 1528 LOperand* left() { return inputs_[1]; } 1529 LOperand* right() { return inputs_[2]; } 1530 1531 virtual Opcode opcode() const V8_OVERRIDE { 1532 return LInstruction::kArithmeticT; 1533 } 1534 virtual void CompileToNative(LCodeGen* generator) V8_OVERRIDE; 1535 virtual const char* Mnemonic() const V8_OVERRIDE; 1536 1537 Token::Value op() const { return op_; } 1538 1539 private: 1540 Token::Value op_; 1541 }; 1542 1543 1544 class LReturn V8_FINAL : public LTemplateInstruction<0, 3, 0> { 1545 public: 1546 explicit LReturn(LOperand* value, 1547 LOperand* context, 1548 LOperand* parameter_count) { 1549 inputs_[0] = value; 1550 inputs_[1] = context; 1551 inputs_[2] = parameter_count; 1552 } 1553 1554 bool has_constant_parameter_count() { 1555 return parameter_count()->IsConstantOperand(); 1556 } 1557 LConstantOperand* constant_parameter_count() { 1558 ASSERT(has_constant_parameter_count()); 1559 return LConstantOperand::cast(parameter_count()); 1560 } 1561 LOperand* parameter_count() { return inputs_[2]; } 1562 1563 DECLARE_CONCRETE_INSTRUCTION(Return, "return") 1564 DECLARE_HYDROGEN_ACCESSOR(Return) 1565 }; 1566 1567 1568 class LLoadNamedField V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1569 public: 1570 explicit LLoadNamedField(LOperand* object) { 1571 inputs_[0] = object; 1572 } 1573 1574 LOperand* object() { return inputs_[0]; } 1575 1576 DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field") 1577 DECLARE_HYDROGEN_ACCESSOR(LoadNamedField) 1578 }; 1579 1580 1581 class LLoadNamedGeneric V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1582 public: 1583 LLoadNamedGeneric(LOperand* context, LOperand* object) { 1584 inputs_[0] = context; 1585 inputs_[1] = object; 1586 } 1587 1588 LOperand* context() { return inputs_[0]; } 1589 LOperand* object() { return inputs_[1]; } 1590 1591 DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic") 1592 DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric) 1593 1594 Handle<Object> name() const { return hydrogen()->name(); } 1595 }; 1596 1597 1598 class LLoadFunctionPrototype V8_FINAL : public LTemplateInstruction<1, 1, 1> { 1599 public: 1600 LLoadFunctionPrototype(LOperand* function, LOperand* temp) { 1601 inputs_[0] = function; 1602 temps_[0] = temp; 1603 } 1604 1605 LOperand* function() { return inputs_[0]; } 1606 LOperand* temp() { return temps_[0]; } 1607 1608 DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype") 1609 DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype) 1610 }; 1611 1612 1613 class LLoadRoot V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1614 public: 1615 DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root") 1616 DECLARE_HYDROGEN_ACCESSOR(LoadRoot) 1617 1618 Heap::RootListIndex index() const { return hydrogen()->index(); } 1619 }; 1620 1621 1622 class LLoadKeyed V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1623 public: 1624 LLoadKeyed(LOperand* elements, LOperand* key) { 1625 inputs_[0] = elements; 1626 inputs_[1] = key; 1627 } 1628 LOperand* elements() { return inputs_[0]; } 1629 LOperand* key() { return inputs_[1]; } 1630 ElementsKind elements_kind() const { 1631 return hydrogen()->elements_kind(); 1632 } 1633 bool is_external() const { 1634 return hydrogen()->is_external(); 1635 } 1636 bool is_fixed_typed_array() const { 1637 return hydrogen()->is_fixed_typed_array(); 1638 } 1639 bool is_typed_elements() const { 1640 return is_external() || is_fixed_typed_array(); 1641 } 1642 1643 DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed") 1644 DECLARE_HYDROGEN_ACCESSOR(LoadKeyed) 1645 1646 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1647 uint32_t base_offset() const { return hydrogen()->base_offset(); } 1648 bool key_is_smi() { 1649 return hydrogen()->key()->representation().IsTagged(); 1650 } 1651 }; 1652 1653 1654 inline static bool ExternalArrayOpRequiresTemp( 1655 Representation key_representation, 1656 ElementsKind elements_kind) { 1657 // Operations that require the key to be divided by two to be converted into 1658 // an index cannot fold the scale operation into a load and need an extra 1659 // temp register to do the work. 1660 return key_representation.IsSmi() && 1661 (elements_kind == EXTERNAL_INT8_ELEMENTS || 1662 elements_kind == EXTERNAL_UINT8_ELEMENTS || 1663 elements_kind == EXTERNAL_UINT8_CLAMPED_ELEMENTS || 1664 elements_kind == UINT8_ELEMENTS || 1665 elements_kind == INT8_ELEMENTS || 1666 elements_kind == UINT8_CLAMPED_ELEMENTS); 1667 } 1668 1669 1670 class LLoadKeyedGeneric V8_FINAL : public LTemplateInstruction<1, 3, 0> { 1671 public: 1672 LLoadKeyedGeneric(LOperand* context, LOperand* obj, LOperand* key) { 1673 inputs_[0] = context; 1674 inputs_[1] = obj; 1675 inputs_[2] = key; 1676 } 1677 1678 LOperand* context() { return inputs_[0]; } 1679 LOperand* object() { return inputs_[1]; } 1680 LOperand* key() { return inputs_[2]; } 1681 1682 DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic") 1683 }; 1684 1685 1686 class LLoadGlobalCell V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1687 public: 1688 DECLARE_CONCRETE_INSTRUCTION(LoadGlobalCell, "load-global-cell") 1689 DECLARE_HYDROGEN_ACCESSOR(LoadGlobalCell) 1690 }; 1691 1692 1693 class LLoadGlobalGeneric V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1694 public: 1695 LLoadGlobalGeneric(LOperand* context, LOperand* global_object) { 1696 inputs_[0] = context; 1697 inputs_[1] = global_object; 1698 } 1699 1700 LOperand* context() { return inputs_[0]; } 1701 LOperand* global_object() { return inputs_[1]; } 1702 1703 DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic") 1704 DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric) 1705 1706 Handle<Object> name() const { return hydrogen()->name(); } 1707 bool for_typeof() const { return hydrogen()->for_typeof(); } 1708 }; 1709 1710 1711 class LStoreGlobalCell V8_FINAL : public LTemplateInstruction<0, 1, 0> { 1712 public: 1713 explicit LStoreGlobalCell(LOperand* value) { 1714 inputs_[0] = value; 1715 } 1716 1717 LOperand* value() { return inputs_[0]; } 1718 1719 DECLARE_CONCRETE_INSTRUCTION(StoreGlobalCell, "store-global-cell") 1720 DECLARE_HYDROGEN_ACCESSOR(StoreGlobalCell) 1721 }; 1722 1723 1724 class LLoadContextSlot V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1725 public: 1726 explicit LLoadContextSlot(LOperand* context) { 1727 inputs_[0] = context; 1728 } 1729 1730 LOperand* context() { return inputs_[0]; } 1731 1732 DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot") 1733 DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot) 1734 1735 int slot_index() { return hydrogen()->slot_index(); } 1736 1737 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1738 }; 1739 1740 1741 class LStoreContextSlot V8_FINAL : public LTemplateInstruction<0, 2, 1> { 1742 public: 1743 LStoreContextSlot(LOperand* context, LOperand* value, LOperand* temp) { 1744 inputs_[0] = context; 1745 inputs_[1] = value; 1746 temps_[0] = temp; 1747 } 1748 1749 LOperand* context() { return inputs_[0]; } 1750 LOperand* value() { return inputs_[1]; } 1751 LOperand* temp() { return temps_[0]; } 1752 1753 DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot") 1754 DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot) 1755 1756 int slot_index() { return hydrogen()->slot_index(); } 1757 1758 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1759 }; 1760 1761 1762 class LPushArgument V8_FINAL : public LTemplateInstruction<0, 1, 0> { 1763 public: 1764 explicit LPushArgument(LOperand* value) { 1765 inputs_[0] = value; 1766 } 1767 1768 LOperand* value() { return inputs_[0]; } 1769 1770 DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument") 1771 }; 1772 1773 1774 class LDrop V8_FINAL : public LTemplateInstruction<0, 0, 0> { 1775 public: 1776 explicit LDrop(int count) : count_(count) { } 1777 1778 int count() const { return count_; } 1779 1780 DECLARE_CONCRETE_INSTRUCTION(Drop, "drop") 1781 1782 private: 1783 int count_; 1784 }; 1785 1786 1787 class LStoreCodeEntry V8_FINAL: public LTemplateInstruction<0, 2, 0> { 1788 public: 1789 LStoreCodeEntry(LOperand* function, LOperand* code_object) { 1790 inputs_[0] = function; 1791 inputs_[1] = code_object; 1792 } 1793 1794 LOperand* function() { return inputs_[0]; } 1795 LOperand* code_object() { return inputs_[1]; } 1796 1797 virtual void PrintDataTo(StringStream* stream); 1798 1799 DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry") 1800 DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry) 1801 }; 1802 1803 1804 class LInnerAllocatedObject V8_FINAL: public LTemplateInstruction<1, 2, 0> { 1805 public: 1806 LInnerAllocatedObject(LOperand* base_object, LOperand* offset) { 1807 inputs_[0] = base_object; 1808 inputs_[1] = offset; 1809 } 1810 1811 LOperand* base_object() const { return inputs_[0]; } 1812 LOperand* offset() const { return inputs_[1]; } 1813 1814 virtual void PrintDataTo(StringStream* stream); 1815 1816 DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object") 1817 }; 1818 1819 1820 class LThisFunction V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1821 public: 1822 DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function") 1823 DECLARE_HYDROGEN_ACCESSOR(ThisFunction) 1824 }; 1825 1826 1827 class LContext V8_FINAL : public LTemplateInstruction<1, 0, 0> { 1828 public: 1829 DECLARE_CONCRETE_INSTRUCTION(Context, "context") 1830 DECLARE_HYDROGEN_ACCESSOR(Context) 1831 }; 1832 1833 1834 class LDeclareGlobals V8_FINAL : public LTemplateInstruction<0, 1, 0> { 1835 public: 1836 explicit LDeclareGlobals(LOperand* context) { 1837 inputs_[0] = context; 1838 } 1839 1840 LOperand* context() { return inputs_[0]; } 1841 1842 DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals") 1843 DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals) 1844 }; 1845 1846 1847 class LCallJSFunction V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1848 public: 1849 explicit LCallJSFunction(LOperand* function) { 1850 inputs_[0] = function; 1851 } 1852 1853 LOperand* function() { return inputs_[0]; } 1854 1855 DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function") 1856 DECLARE_HYDROGEN_ACCESSOR(CallJSFunction) 1857 1858 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1859 1860 int arity() const { return hydrogen()->argument_count() - 1; } 1861 }; 1862 1863 1864 class LCallWithDescriptor V8_FINAL : public LTemplateResultInstruction<1> { 1865 public: 1866 LCallWithDescriptor(const CallInterfaceDescriptor* descriptor, 1867 const ZoneList<LOperand*>& operands, 1868 Zone* zone) 1869 : inputs_(descriptor->environment_length() + 1, zone) { 1870 ASSERT(descriptor->environment_length() + 1 == operands.length()); 1871 inputs_.AddAll(operands, zone); 1872 } 1873 1874 LOperand* target() const { return inputs_[0]; } 1875 1876 private: 1877 DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor") 1878 DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor) 1879 1880 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1881 1882 int arity() const { return hydrogen()->argument_count() - 1; } 1883 1884 ZoneList<LOperand*> inputs_; 1885 1886 // Iterator support. 1887 virtual int InputCount() V8_FINAL V8_OVERRIDE { return inputs_.length(); } 1888 virtual LOperand* InputAt(int i) V8_FINAL V8_OVERRIDE { return inputs_[i]; } 1889 1890 virtual int TempCount() V8_FINAL V8_OVERRIDE { return 0; } 1891 virtual LOperand* TempAt(int i) V8_FINAL V8_OVERRIDE { return NULL; } 1892 }; 1893 1894 1895 class LInvokeFunction V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1896 public: 1897 LInvokeFunction(LOperand* context, LOperand* function) { 1898 inputs_[0] = context; 1899 inputs_[1] = function; 1900 } 1901 1902 LOperand* context() { return inputs_[0]; } 1903 LOperand* function() { return inputs_[1]; } 1904 1905 DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function") 1906 DECLARE_HYDROGEN_ACCESSOR(InvokeFunction) 1907 1908 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1909 1910 int arity() const { return hydrogen()->argument_count() - 1; } 1911 }; 1912 1913 1914 class LCallFunction V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1915 public: 1916 explicit LCallFunction(LOperand* context, LOperand* function) { 1917 inputs_[0] = context; 1918 inputs_[1] = function; 1919 } 1920 1921 LOperand* context() { return inputs_[0]; } 1922 LOperand* function() { return inputs_[1]; } 1923 1924 DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function") 1925 DECLARE_HYDROGEN_ACCESSOR(CallFunction) 1926 1927 int arity() const { return hydrogen()->argument_count() - 1; } 1928 }; 1929 1930 1931 class LCallNew V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1932 public: 1933 LCallNew(LOperand* context, LOperand* constructor) { 1934 inputs_[0] = context; 1935 inputs_[1] = constructor; 1936 } 1937 1938 LOperand* context() { return inputs_[0]; } 1939 LOperand* constructor() { return inputs_[1]; } 1940 1941 DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new") 1942 DECLARE_HYDROGEN_ACCESSOR(CallNew) 1943 1944 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1945 1946 int arity() const { return hydrogen()->argument_count() - 1; } 1947 }; 1948 1949 1950 class LCallNewArray V8_FINAL : public LTemplateInstruction<1, 2, 0> { 1951 public: 1952 LCallNewArray(LOperand* context, LOperand* constructor) { 1953 inputs_[0] = context; 1954 inputs_[1] = constructor; 1955 } 1956 1957 LOperand* context() { return inputs_[0]; } 1958 LOperand* constructor() { return inputs_[1]; } 1959 1960 DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array") 1961 DECLARE_HYDROGEN_ACCESSOR(CallNewArray) 1962 1963 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 1964 1965 int arity() const { return hydrogen()->argument_count() - 1; } 1966 }; 1967 1968 1969 class LCallRuntime V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1970 public: 1971 explicit LCallRuntime(LOperand* context) { 1972 inputs_[0] = context; 1973 } 1974 1975 LOperand* context() { return inputs_[0]; } 1976 1977 DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime") 1978 DECLARE_HYDROGEN_ACCESSOR(CallRuntime) 1979 1980 virtual bool ClobbersDoubleRegisters(Isolate* isolate) const V8_OVERRIDE { 1981 return save_doubles() == kDontSaveFPRegs; 1982 } 1983 1984 const Runtime::Function* function() const { return hydrogen()->function(); } 1985 int arity() const { return hydrogen()->argument_count(); } 1986 SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); } 1987 }; 1988 1989 1990 class LInteger32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> { 1991 public: 1992 explicit LInteger32ToDouble(LOperand* value) { 1993 inputs_[0] = value; 1994 } 1995 1996 LOperand* value() { return inputs_[0]; } 1997 1998 DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double") 1999 }; 2000 2001 2002 class LUint32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2003 public: 2004 explicit LUint32ToDouble(LOperand* value) { 2005 inputs_[0] = value; 2006 } 2007 2008 LOperand* value() { return inputs_[0]; } 2009 2010 DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double") 2011 }; 2012 2013 2014 class LNumberTagI V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2015 public: 2016 LNumberTagI(LOperand* value, LOperand* temp) { 2017 inputs_[0] = value; 2018 temps_[0] = temp; 2019 } 2020 2021 LOperand* value() { return inputs_[0]; } 2022 LOperand* temp() { return temps_[0]; } 2023 2024 DECLARE_CONCRETE_INSTRUCTION(NumberTagI, "number-tag-i") 2025 }; 2026 2027 2028 class LNumberTagU V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2029 public: 2030 LNumberTagU(LOperand* value, LOperand* temp) { 2031 inputs_[0] = value; 2032 temps_[0] = temp; 2033 } 2034 2035 LOperand* value() { return inputs_[0]; } 2036 LOperand* temp() { return temps_[0]; } 2037 2038 DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u") 2039 }; 2040 2041 2042 class LNumberTagD V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2043 public: 2044 LNumberTagD(LOperand* value, LOperand* temp) { 2045 inputs_[0] = value; 2046 temps_[0] = temp; 2047 } 2048 2049 LOperand* value() { return inputs_[0]; } 2050 LOperand* temp() { return temps_[0]; } 2051 2052 DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d") 2053 DECLARE_HYDROGEN_ACCESSOR(Change) 2054 }; 2055 2056 2057 // Sometimes truncating conversion from a tagged value to an int32. 2058 class LDoubleToI V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2059 public: 2060 LDoubleToI(LOperand* value, LOperand* temp) { 2061 inputs_[0] = value; 2062 temps_[0] = temp; 2063 } 2064 2065 LOperand* value() { return inputs_[0]; } 2066 LOperand* temp() { return temps_[0]; } 2067 2068 DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i") 2069 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation) 2070 2071 bool truncating() { return hydrogen()->CanTruncateToInt32(); } 2072 }; 2073 2074 2075 class LDoubleToSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2076 public: 2077 explicit LDoubleToSmi(LOperand* value) { 2078 inputs_[0] = value; 2079 } 2080 2081 LOperand* value() { return inputs_[0]; } 2082 2083 DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi") 2084 DECLARE_HYDROGEN_ACCESSOR(UnaryOperation) 2085 }; 2086 2087 2088 // Truncating conversion from a tagged value to an int32. 2089 class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2090 public: 2091 LTaggedToI(LOperand* value, LOperand* temp) { 2092 inputs_[0] = value; 2093 temps_[0] = temp; 2094 } 2095 2096 LOperand* value() { return inputs_[0]; } 2097 LOperand* temp() { return temps_[0]; } 2098 2099 DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i") 2100 DECLARE_HYDROGEN_ACCESSOR(Change) 2101 2102 bool truncating() { return hydrogen()->CanTruncateToInt32(); } 2103 }; 2104 2105 2106 class LSmiTag V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2107 public: 2108 explicit LSmiTag(LOperand* value) { 2109 inputs_[0] = value; 2110 } 2111 2112 LOperand* value() { return inputs_[0]; } 2113 2114 DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag") 2115 DECLARE_HYDROGEN_ACCESSOR(Change) 2116 }; 2117 2118 2119 class LNumberUntagD V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2120 public: 2121 explicit LNumberUntagD(LOperand* value, LOperand* temp) { 2122 inputs_[0] = value; 2123 temps_[0] = temp; 2124 } 2125 2126 LOperand* value() { return inputs_[0]; } 2127 LOperand* temp() { return temps_[0]; } 2128 2129 DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag") 2130 DECLARE_HYDROGEN_ACCESSOR(Change); 2131 }; 2132 2133 2134 class LSmiUntag V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2135 public: 2136 LSmiUntag(LOperand* value, bool needs_check) 2137 : needs_check_(needs_check) { 2138 inputs_[0] = value; 2139 } 2140 2141 LOperand* value() { return inputs_[0]; } 2142 2143 DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag") 2144 2145 bool needs_check() const { return needs_check_; } 2146 2147 private: 2148 bool needs_check_; 2149 }; 2150 2151 2152 class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 2> { 2153 public: 2154 LStoreNamedField(LOperand* obj, 2155 LOperand* val, 2156 LOperand* temp, 2157 LOperand* temp_map) { 2158 inputs_[0] = obj; 2159 inputs_[1] = val; 2160 temps_[0] = temp; 2161 temps_[1] = temp_map; 2162 } 2163 2164 LOperand* object() { return inputs_[0]; } 2165 LOperand* value() { return inputs_[1]; } 2166 LOperand* temp() { return temps_[0]; } 2167 LOperand* temp_map() { return temps_[1]; } 2168 2169 DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field") 2170 DECLARE_HYDROGEN_ACCESSOR(StoreNamedField) 2171 2172 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2173 }; 2174 2175 2176 class LStoreNamedGeneric V8_FINAL : public LTemplateInstruction<0, 3, 0> { 2177 public: 2178 LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value) { 2179 inputs_[0] = context; 2180 inputs_[1] = object; 2181 inputs_[2] = value; 2182 } 2183 2184 LOperand* context() { return inputs_[0]; } 2185 LOperand* object() { return inputs_[1]; } 2186 LOperand* value() { return inputs_[2]; } 2187 2188 DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic") 2189 DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric) 2190 2191 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2192 Handle<Object> name() const { return hydrogen()->name(); } 2193 StrictMode strict_mode() { return hydrogen()->strict_mode(); } 2194 }; 2195 2196 2197 class LStoreKeyed V8_FINAL : public LTemplateInstruction<0, 3, 0> { 2198 public: 2199 LStoreKeyed(LOperand* obj, LOperand* key, LOperand* val) { 2200 inputs_[0] = obj; 2201 inputs_[1] = key; 2202 inputs_[2] = val; 2203 } 2204 2205 bool is_external() const { return hydrogen()->is_external(); } 2206 bool is_fixed_typed_array() const { 2207 return hydrogen()->is_fixed_typed_array(); 2208 } 2209 bool is_typed_elements() const { 2210 return is_external() || is_fixed_typed_array(); 2211 } 2212 LOperand* elements() { return inputs_[0]; } 2213 LOperand* key() { return inputs_[1]; } 2214 LOperand* value() { return inputs_[2]; } 2215 ElementsKind elements_kind() const { 2216 return hydrogen()->elements_kind(); 2217 } 2218 2219 DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed") 2220 DECLARE_HYDROGEN_ACCESSOR(StoreKeyed) 2221 2222 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2223 uint32_t base_offset() const { return hydrogen()->base_offset(); } 2224 bool NeedsCanonicalization() { return hydrogen()->NeedsCanonicalization(); } 2225 }; 2226 2227 2228 class LStoreKeyedGeneric V8_FINAL : public LTemplateInstruction<0, 4, 0> { 2229 public: 2230 LStoreKeyedGeneric(LOperand* context, 2231 LOperand* object, 2232 LOperand* key, 2233 LOperand* value) { 2234 inputs_[0] = context; 2235 inputs_[1] = object; 2236 inputs_[2] = key; 2237 inputs_[3] = value; 2238 } 2239 2240 LOperand* context() { return inputs_[0]; } 2241 LOperand* object() { return inputs_[1]; } 2242 LOperand* key() { return inputs_[2]; } 2243 LOperand* value() { return inputs_[3]; } 2244 2245 DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic") 2246 DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric) 2247 2248 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2249 2250 StrictMode strict_mode() { return hydrogen()->strict_mode(); } 2251 }; 2252 2253 2254 class LTransitionElementsKind V8_FINAL : public LTemplateInstruction<0, 2, 2> { 2255 public: 2256 LTransitionElementsKind(LOperand* object, 2257 LOperand* context, 2258 LOperand* new_map_temp, 2259 LOperand* temp) { 2260 inputs_[0] = object; 2261 inputs_[1] = context; 2262 temps_[0] = new_map_temp; 2263 temps_[1] = temp; 2264 } 2265 2266 LOperand* context() { return inputs_[1]; } 2267 LOperand* object() { return inputs_[0]; } 2268 LOperand* new_map_temp() { return temps_[0]; } 2269 LOperand* temp() { return temps_[1]; } 2270 2271 DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind, 2272 "transition-elements-kind") 2273 DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind) 2274 2275 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2276 2277 Handle<Map> original_map() { return hydrogen()->original_map().handle(); } 2278 Handle<Map> transitioned_map() { 2279 return hydrogen()->transitioned_map().handle(); 2280 } 2281 ElementsKind from_kind() { return hydrogen()->from_kind(); } 2282 ElementsKind to_kind() { return hydrogen()->to_kind(); } 2283 }; 2284 2285 2286 class LTrapAllocationMemento V8_FINAL : public LTemplateInstruction<0, 1, 1> { 2287 public: 2288 LTrapAllocationMemento(LOperand* object, 2289 LOperand* temp) { 2290 inputs_[0] = object; 2291 temps_[0] = temp; 2292 } 2293 2294 LOperand* object() { return inputs_[0]; } 2295 LOperand* temp() { return temps_[0]; } 2296 2297 DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento, 2298 "trap-allocation-memento") 2299 }; 2300 2301 2302 class LStringAdd V8_FINAL : public LTemplateInstruction<1, 3, 0> { 2303 public: 2304 LStringAdd(LOperand* context, LOperand* left, LOperand* right) { 2305 inputs_[0] = context; 2306 inputs_[1] = left; 2307 inputs_[2] = right; 2308 } 2309 2310 LOperand* context() { return inputs_[0]; } 2311 LOperand* left() { return inputs_[1]; } 2312 LOperand* right() { return inputs_[2]; } 2313 2314 DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add") 2315 DECLARE_HYDROGEN_ACCESSOR(StringAdd) 2316 }; 2317 2318 2319 class LStringCharCodeAt V8_FINAL : public LTemplateInstruction<1, 3, 0> { 2320 public: 2321 LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) { 2322 inputs_[0] = context; 2323 inputs_[1] = string; 2324 inputs_[2] = index; 2325 } 2326 2327 LOperand* context() { return inputs_[0]; } 2328 LOperand* string() { return inputs_[1]; } 2329 LOperand* index() { return inputs_[2]; } 2330 2331 DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at") 2332 DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt) 2333 }; 2334 2335 2336 class LStringCharFromCode V8_FINAL : public LTemplateInstruction<1, 2, 0> { 2337 public: 2338 LStringCharFromCode(LOperand* context, LOperand* char_code) { 2339 inputs_[0] = context; 2340 inputs_[1] = char_code; 2341 } 2342 2343 LOperand* context() { return inputs_[0]; } 2344 LOperand* char_code() { return inputs_[1]; } 2345 2346 DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code") 2347 DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode) 2348 }; 2349 2350 2351 class LCheckValue V8_FINAL : public LTemplateInstruction<0, 1, 0> { 2352 public: 2353 explicit LCheckValue(LOperand* value) { 2354 inputs_[0] = value; 2355 } 2356 2357 LOperand* value() { return inputs_[0]; } 2358 2359 DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value") 2360 DECLARE_HYDROGEN_ACCESSOR(CheckValue) 2361 }; 2362 2363 2364 class LCheckInstanceType V8_FINAL : public LTemplateInstruction<0, 1, 1> { 2365 public: 2366 LCheckInstanceType(LOperand* value, LOperand* temp) { 2367 inputs_[0] = value; 2368 temps_[0] = temp; 2369 } 2370 2371 LOperand* value() { return inputs_[0]; } 2372 LOperand* temp() { return temps_[0]; } 2373 2374 DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type") 2375 DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType) 2376 }; 2377 2378 2379 class LCheckMaps V8_FINAL : public LTemplateInstruction<0, 1, 0> { 2380 public: 2381 explicit LCheckMaps(LOperand* value = NULL) { 2382 inputs_[0] = value; 2383 } 2384 2385 LOperand* value() { return inputs_[0]; } 2386 2387 DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps") 2388 DECLARE_HYDROGEN_ACCESSOR(CheckMaps) 2389 }; 2390 2391 2392 class LCheckSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2393 public: 2394 explicit LCheckSmi(LOperand* value) { 2395 inputs_[0] = value; 2396 } 2397 2398 LOperand* value() { return inputs_[0]; } 2399 2400 DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi") 2401 }; 2402 2403 2404 class LClampDToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2405 public: 2406 explicit LClampDToUint8(LOperand* value) { 2407 inputs_[0] = value; 2408 } 2409 2410 LOperand* unclamped() { return inputs_[0]; } 2411 2412 DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8") 2413 }; 2414 2415 2416 class LClampIToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2417 public: 2418 explicit LClampIToUint8(LOperand* value) { 2419 inputs_[0] = value; 2420 } 2421 2422 LOperand* unclamped() { return inputs_[0]; } 2423 2424 DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8") 2425 }; 2426 2427 2428 class LClampTToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 1> { 2429 public: 2430 LClampTToUint8(LOperand* value, LOperand* temp_xmm) { 2431 inputs_[0] = value; 2432 temps_[0] = temp_xmm; 2433 } 2434 2435 LOperand* unclamped() { return inputs_[0]; } 2436 LOperand* temp_xmm() { return temps_[0]; } 2437 2438 DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8") 2439 }; 2440 2441 2442 class LCheckNonSmi V8_FINAL : public LTemplateInstruction<0, 1, 0> { 2443 public: 2444 explicit LCheckNonSmi(LOperand* value) { 2445 inputs_[0] = value; 2446 } 2447 2448 LOperand* value() { return inputs_[0]; } 2449 2450 DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi") 2451 DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject) 2452 }; 2453 2454 2455 class LDoubleBits V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2456 public: 2457 explicit LDoubleBits(LOperand* value) { 2458 inputs_[0] = value; 2459 } 2460 2461 LOperand* value() { return inputs_[0]; } 2462 2463 DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits") 2464 DECLARE_HYDROGEN_ACCESSOR(DoubleBits) 2465 }; 2466 2467 2468 class LConstructDouble V8_FINAL : public LTemplateInstruction<1, 2, 0> { 2469 public: 2470 LConstructDouble(LOperand* hi, LOperand* lo) { 2471 inputs_[0] = hi; 2472 inputs_[1] = lo; 2473 } 2474 2475 LOperand* hi() { return inputs_[0]; } 2476 LOperand* lo() { return inputs_[1]; } 2477 2478 DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double") 2479 }; 2480 2481 2482 class LAllocate V8_FINAL : public LTemplateInstruction<1, 2, 1> { 2483 public: 2484 LAllocate(LOperand* context, LOperand* size, LOperand* temp) { 2485 inputs_[0] = context; 2486 inputs_[1] = size; 2487 temps_[0] = temp; 2488 } 2489 2490 LOperand* context() { return inputs_[0]; } 2491 LOperand* size() { return inputs_[1]; } 2492 LOperand* temp() { return temps_[0]; } 2493 2494 DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate") 2495 DECLARE_HYDROGEN_ACCESSOR(Allocate) 2496 }; 2497 2498 2499 class LRegExpLiteral V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2500 public: 2501 explicit LRegExpLiteral(LOperand* context) { 2502 inputs_[0] = context; 2503 } 2504 2505 LOperand* context() { return inputs_[0]; } 2506 2507 DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal") 2508 DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral) 2509 }; 2510 2511 2512 class LFunctionLiteral V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2513 public: 2514 explicit LFunctionLiteral(LOperand* context) { 2515 inputs_[0] = context; 2516 } 2517 2518 LOperand* context() { return inputs_[0]; } 2519 2520 DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal") 2521 DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral) 2522 }; 2523 2524 2525 class LToFastProperties V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2526 public: 2527 explicit LToFastProperties(LOperand* value) { 2528 inputs_[0] = value; 2529 } 2530 2531 LOperand* value() { return inputs_[0]; } 2532 2533 DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties") 2534 DECLARE_HYDROGEN_ACCESSOR(ToFastProperties) 2535 }; 2536 2537 2538 class LTypeof V8_FINAL : public LTemplateInstruction<1, 2, 0> { 2539 public: 2540 LTypeof(LOperand* context, LOperand* value) { 2541 inputs_[0] = context; 2542 inputs_[1] = value; 2543 } 2544 2545 LOperand* context() { return inputs_[0]; } 2546 LOperand* value() { return inputs_[1]; } 2547 2548 DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof") 2549 }; 2550 2551 2552 class LTypeofIsAndBranch V8_FINAL : public LControlInstruction<1, 0> { 2553 public: 2554 explicit LTypeofIsAndBranch(LOperand* value) { 2555 inputs_[0] = value; 2556 } 2557 2558 LOperand* value() { return inputs_[0]; } 2559 2560 DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch") 2561 DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch) 2562 2563 Handle<String> type_literal() { return hydrogen()->type_literal(); } 2564 2565 virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE; 2566 }; 2567 2568 2569 class LOsrEntry V8_FINAL : public LTemplateInstruction<0, 0, 0> { 2570 public: 2571 virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE { 2572 return false; 2573 } 2574 DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry") 2575 }; 2576 2577 2578 class LStackCheck V8_FINAL : public LTemplateInstruction<0, 1, 0> { 2579 public: 2580 explicit LStackCheck(LOperand* context) { 2581 inputs_[0] = context; 2582 } 2583 2584 LOperand* context() { return inputs_[0]; } 2585 2586 DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check") 2587 DECLARE_HYDROGEN_ACCESSOR(StackCheck) 2588 2589 Label* done_label() { return &done_label_; } 2590 2591 private: 2592 Label done_label_; 2593 }; 2594 2595 2596 class LForInPrepareMap V8_FINAL : public LTemplateInstruction<1, 2, 0> { 2597 public: 2598 LForInPrepareMap(LOperand* context, LOperand* object) { 2599 inputs_[0] = context; 2600 inputs_[1] = object; 2601 } 2602 2603 LOperand* context() { return inputs_[0]; } 2604 LOperand* object() { return inputs_[1]; } 2605 2606 DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map") 2607 }; 2608 2609 2610 class LForInCacheArray V8_FINAL : public LTemplateInstruction<1, 1, 0> { 2611 public: 2612 explicit LForInCacheArray(LOperand* map) { 2613 inputs_[0] = map; 2614 } 2615 2616 LOperand* map() { return inputs_[0]; } 2617 2618 DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array") 2619 2620 int idx() { 2621 return HForInCacheArray::cast(this->hydrogen_value())->idx(); 2622 } 2623 }; 2624 2625 2626 class LCheckMapValue V8_FINAL : public LTemplateInstruction<0, 2, 0> { 2627 public: 2628 LCheckMapValue(LOperand* value, LOperand* map) { 2629 inputs_[0] = value; 2630 inputs_[1] = map; 2631 } 2632 2633 LOperand* value() { return inputs_[0]; } 2634 LOperand* map() { return inputs_[1]; } 2635 2636 DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value") 2637 }; 2638 2639 2640 class LLoadFieldByIndex V8_FINAL : public LTemplateInstruction<1, 2, 0> { 2641 public: 2642 LLoadFieldByIndex(LOperand* object, LOperand* index) { 2643 inputs_[0] = object; 2644 inputs_[1] = index; 2645 } 2646 2647 LOperand* object() { return inputs_[0]; } 2648 LOperand* index() { return inputs_[1]; } 2649 2650 DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index") 2651 }; 2652 2653 2654 class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> { 2655 public: 2656 explicit LStoreFrameContext(LOperand* context) { 2657 inputs_[0] = context; 2658 } 2659 2660 LOperand* context() { return inputs_[0]; } 2661 2662 DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context") 2663 }; 2664 2665 2666 class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> { 2667 public: 2668 LAllocateBlockContext(LOperand* context, LOperand* function) { 2669 inputs_[0] = context; 2670 inputs_[1] = function; 2671 } 2672 2673 LOperand* context() { return inputs_[0]; } 2674 LOperand* function() { return inputs_[1]; } 2675 2676 Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); } 2677 2678 DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context") 2679 DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext) 2680 }; 2681 2682 2683 class LChunkBuilder; 2684 class LPlatformChunk V8_FINAL : public LChunk { 2685 public: 2686 LPlatformChunk(CompilationInfo* info, HGraph* graph) 2687 : LChunk(info, graph), 2688 num_double_slots_(0) { } 2689 2690 int GetNextSpillIndex(RegisterKind kind); 2691 LOperand* GetNextSpillSlot(RegisterKind kind); 2692 2693 int num_double_slots() const { return num_double_slots_; } 2694 2695 private: 2696 int num_double_slots_; 2697 }; 2698 2699 2700 class LChunkBuilder V8_FINAL : public LChunkBuilderBase { 2701 public: 2702 LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator) 2703 : LChunkBuilderBase(graph->zone()), 2704 chunk_(NULL), 2705 info_(info), 2706 graph_(graph), 2707 status_(UNUSED), 2708 current_instruction_(NULL), 2709 current_block_(NULL), 2710 next_block_(NULL), 2711 allocator_(allocator) { } 2712 2713 Isolate* isolate() const { return graph_->isolate(); } 2714 2715 // Build the sequence for the graph. 2716 LPlatformChunk* Build(); 2717 2718 // Declare methods that deal with the individual node types. 2719 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node); 2720 HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) 2721 #undef DECLARE_DO 2722 2723 LInstruction* DoMathFloor(HUnaryMathOperation* instr); 2724 LInstruction* DoMathRound(HUnaryMathOperation* instr); 2725 LInstruction* DoMathAbs(HUnaryMathOperation* instr); 2726 LInstruction* DoMathLog(HUnaryMathOperation* instr); 2727 LInstruction* DoMathExp(HUnaryMathOperation* instr); 2728 LInstruction* DoMathSqrt(HUnaryMathOperation* instr); 2729 LInstruction* DoMathPowHalf(HUnaryMathOperation* instr); 2730 LInstruction* DoMathClz32(HUnaryMathOperation* instr); 2731 LInstruction* DoDivByPowerOf2I(HDiv* instr); 2732 LInstruction* DoDivByConstI(HDiv* instr); 2733 LInstruction* DoDivI(HDiv* instr); 2734 LInstruction* DoModByPowerOf2I(HMod* instr); 2735 LInstruction* DoModByConstI(HMod* instr); 2736 LInstruction* DoModI(HMod* instr); 2737 LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr); 2738 LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr); 2739 LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr); 2740 2741 private: 2742 enum Status { 2743 UNUSED, 2744 BUILDING, 2745 DONE, 2746 ABORTED 2747 }; 2748 2749 LPlatformChunk* chunk() const { return chunk_; } 2750 CompilationInfo* info() const { return info_; } 2751 HGraph* graph() const { return graph_; } 2752 2753 bool is_unused() const { return status_ == UNUSED; } 2754 bool is_building() const { return status_ == BUILDING; } 2755 bool is_done() const { return status_ == DONE; } 2756 bool is_aborted() const { return status_ == ABORTED; } 2757 2758 void Abort(BailoutReason reason); 2759 2760 // Methods for getting operands for Use / Define / Temp. 2761 LUnallocated* ToUnallocated(Register reg); 2762 LUnallocated* ToUnallocated(XMMRegister reg); 2763 2764 // Methods for setting up define-use relationships. 2765 MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand); 2766 MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register); 2767 MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value, 2768 XMMRegister fixed_register); 2769 2770 // A value that is guaranteed to be allocated to a register. 2771 // Operand created by UseRegister is guaranteed to be live until the end of 2772 // instruction. This means that register allocator will not reuse it's 2773 // register for any other operand inside instruction. 2774 // Operand created by UseRegisterAtStart is guaranteed to be live only at 2775 // instruction start. Register allocator is free to assign the same register 2776 // to some other operand used inside instruction (i.e. temporary or 2777 // output). 2778 MUST_USE_RESULT LOperand* UseRegister(HValue* value); 2779 MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value); 2780 2781 // An input operand in a register that may be trashed. 2782 MUST_USE_RESULT LOperand* UseTempRegister(HValue* value); 2783 2784 // An input operand in a register or stack slot. 2785 MUST_USE_RESULT LOperand* Use(HValue* value); 2786 MUST_USE_RESULT LOperand* UseAtStart(HValue* value); 2787 2788 // An input operand in a register, stack slot or a constant operand. 2789 MUST_USE_RESULT LOperand* UseOrConstant(HValue* value); 2790 MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value); 2791 2792 // An input operand in a fixed register or a constant operand. 2793 MUST_USE_RESULT LOperand* UseFixedOrConstant(HValue* value, 2794 Register fixed_register); 2795 2796 // An input operand in a register or a constant operand. 2797 MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value); 2798 MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value); 2799 2800 // An input operand in a constant operand. 2801 MUST_USE_RESULT LOperand* UseConstant(HValue* value); 2802 2803 // An input operand in register, stack slot or a constant operand. 2804 // Will not be moved to a register even if one is freely available. 2805 virtual MUST_USE_RESULT LOperand* UseAny(HValue* value) V8_OVERRIDE; 2806 2807 // Temporary operand that must be in a register. 2808 MUST_USE_RESULT LUnallocated* TempRegister(); 2809 MUST_USE_RESULT LOperand* FixedTemp(Register reg); 2810 MUST_USE_RESULT LOperand* FixedTemp(XMMRegister reg); 2811 2812 // Methods for setting up define-use relationships. 2813 // Return the same instruction that they are passed. 2814 LInstruction* Define(LTemplateResultInstruction<1>* instr, 2815 LUnallocated* result); 2816 LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr); 2817 LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr, 2818 int index); 2819 LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr); 2820 LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr, 2821 Register reg); 2822 LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr, 2823 XMMRegister reg); 2824 // Assigns an environment to an instruction. An instruction which can 2825 // deoptimize must have an environment. 2826 LInstruction* AssignEnvironment(LInstruction* instr); 2827 // Assigns a pointer map to an instruction. An instruction which can 2828 // trigger a GC or a lazy deoptimization must have a pointer map. 2829 LInstruction* AssignPointerMap(LInstruction* instr); 2830 2831 enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY }; 2832 2833 LOperand* GetSeqStringSetCharOperand(HSeqStringSetChar* instr); 2834 2835 // Marks a call for the register allocator. Assigns a pointer map to 2836 // support GC and lazy deoptimization. Assigns an environment to support 2837 // eager deoptimization if CAN_DEOPTIMIZE_EAGERLY. 2838 LInstruction* MarkAsCall( 2839 LInstruction* instr, 2840 HInstruction* hinstr, 2841 CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY); 2842 2843 void VisitInstruction(HInstruction* current); 2844 void AddInstruction(LInstruction* instr, HInstruction* current); 2845 2846 void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block); 2847 LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr); 2848 LInstruction* DoArithmeticD(Token::Value op, 2849 HArithmeticBinaryOperation* instr); 2850 LInstruction* DoArithmeticT(Token::Value op, 2851 HBinaryOperation* instr); 2852 2853 LOperand* GetStoreKeyedValueOperand(HStoreKeyed* instr); 2854 2855 LPlatformChunk* chunk_; 2856 CompilationInfo* info_; 2857 HGraph* const graph_; 2858 Status status_; 2859 HInstruction* current_instruction_; 2860 HBasicBlock* current_block_; 2861 HBasicBlock* next_block_; 2862 LAllocator* allocator_; 2863 2864 DISALLOW_COPY_AND_ASSIGN(LChunkBuilder); 2865 }; 2866 2867 #undef DECLARE_HYDROGEN_ACCESSOR 2868 #undef DECLARE_CONCRETE_INSTRUCTION 2869 2870 } } // namespace v8::internal 2871 2872 #endif // V8_IA32_LITHIUM_IA32_H_ 2873
