src/mips64/lithium-mips64.h

   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_MIPS_LITHIUM_MIPS_H_
   6 #define V8_MIPS_LITHIUM_MIPS_H_
   7
   8 #include "src/hydrogen.h"
   9 #include "src/lithium.h"
  10 #include "src/lithium-allocator.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(AddE)                                    \
  23   V(AddI)                                    \
  24   V(AddS)                                    \
  25   V(Allocate)                                \
  26   V(AllocateBlockContext)                    \
  27   V(ApplyArguments)                          \
  28   V(ArgumentsElements)                       \
  29   V(ArgumentsLength)                         \
  30   V(ArithmeticD)                             \
  31   V(ArithmeticT)                             \
  32   V(BitI)                                    \
  33   V(BoundsCheck)                             \
  34   V(Branch)                                  \
  35   V(CallJSFunction)                          \
  36   V(CallWithDescriptor)                      \
  37   V(CallFunction)                            \
  38   V(CallNew)                                 \
  39   V(CallNewArray)                            \
  40   V(CallRuntime)                             \
  41   V(CallStub)                                \
  42   V(CheckArrayBufferNotNeutered)             \
  43   V(CheckInstanceType)                       \
  44   V(CheckMaps)                               \
  45   V(CheckMapValue)                           \
  46   V(CheckNonSmi)                             \
  47   V(CheckSmi)                                \
  48   V(CheckValue)                              \
  49   V(ClampDToUint8)                           \
  50   V(ClampIToUint8)                           \
  51   V(ClampTToUint8)                           \
  52   V(ClassOfTestAndBranch)                    \
  53   V(CompareMinusZeroAndBranch)               \
  54   V(CompareNumericAndBranch)                 \
  55   V(CmpObjectEqAndBranch)                    \
  56   V(CmpHoleAndBranch)                        \
  57   V(CmpMapAndBranch)                         \
  58   V(CmpT)                                    \
  59   V(ConstantD)                               \
  60   V(ConstantE)                               \
  61   V(ConstantI)                               \
  62   V(ConstantS)                               \
  63   V(ConstantT)                               \
  64   V(ConstructDouble)                         \
  65   V(Context)                                 \
  66   V(DateField)                               \
  67   V(DebugBreak)                              \
  68   V(DeclareGlobals)                          \
  69   V(Deoptimize)                              \
  70   V(DivByConstI)                             \
  71   V(DivByPowerOf2I)                          \
  72   V(DivI)                                    \
  73   V(DoubleToI)                               \
  74   V(DoubleBits)                              \
  75   V(DoubleToSmi)                             \
  76   V(Drop)                                    \
  77   V(Dummy)                                   \
  78   V(DummyUse)                                \
  79   V(FlooringDivByConstI)                     \
  80   V(FlooringDivByPowerOf2I)                  \
  81   V(FlooringDivI)                            \
  82   V(ForInCacheArray)                         \
  83   V(ForInPrepareMap)                         \
  84   V(FunctionLiteral)                         \
  85   V(GetCachedArrayIndex)                     \
  86   V(Goto)                                    \
  87   V(HasCachedArrayIndexAndBranch)            \
  88   V(HasInstanceTypeAndBranch)                \
  89   V(InnerAllocatedObject)                    \
  90   V(InstanceOf)                              \
  91   V(InstanceOfKnownGlobal)                   \
  92   V(InstructionGap)                          \
  93   V(Integer32ToDouble)                       \
  94   V(InvokeFunction)                          \
  95   V(IsConstructCallAndBranch)                \
  96   V(IsObjectAndBranch)                       \
  97   V(IsStringAndBranch)                       \
  98   V(IsSmiAndBranch)                          \
  99   V(IsUndetectableAndBranch)                 \
 100   V(Label)                                   \
 101   V(LazyBailout)                             \
 102   V(LoadContextSlot)                         \
 103   V(LoadRoot)                                \
 104   V(LoadFieldByIndex)                        \
 105   V(LoadFunctionPrototype)                   \
 106   V(LoadGlobalGeneric)                       \
 107   V(LoadGlobalViaContext)                    \
 108   V(LoadKeyed)                               \
 109   V(LoadKeyedGeneric)                        \
 110   V(LoadNamedField)                          \
 111   V(LoadNamedGeneric)                        \
 112   V(MapEnumLength)                           \
 113   V(MathAbs)                                 \
 114   V(MathExp)                                 \
 115   V(MathClz32)                               \
 116   V(MathFloor)                               \
 117   V(MathFround)                              \
 118   V(MathLog)                                 \
 119   V(MathMinMax)                              \
 120   V(MathPowHalf)                             \
 121   V(MathRound)                               \
 122   V(MathSqrt)                                \
 123   V(MaybeGrowElements)                       \
 124   V(ModByConstI)                             \
 125   V(ModByPowerOf2I)                          \
 126   V(ModI)                                    \
 127   V(MulI)                                    \
 128   V(MulS)                                    \
 129   V(MultiplyAddD)                            \
 130   V(NumberTagD)                              \
 131   V(NumberTagU)                              \
 132   V(NumberUntagD)                            \
 133   V(OsrEntry)                                \
 134   V(Parameter)                               \
 135   V(Power)                                   \
 136   V(PushArgument)                            \
 137   V(RegExpLiteral)                           \
 138   V(Return)                                  \
 139   V(SeqStringGetChar)                        \
 140   V(SeqStringSetChar)                        \
 141   V(ShiftI)                                  \
 142   V(SmiTag)                                  \
 143   V(SmiUntag)                                \
 144   V(StackCheck)                              \
 145   V(StoreCodeEntry)                          \
 146   V(StoreContextSlot)                        \
 147   V(StoreFrameContext)                       \
 148   V(StoreGlobalViaContext)                   \
 149   V(StoreKeyed)                              \
 150   V(StoreKeyedGeneric)                       \
 151   V(StoreNamedField)                         \
 152   V(StoreNamedGeneric)                       \
 153   V(StringAdd)                               \
 154   V(StringCharCodeAt)                        \
 155   V(StringCharFromCode)                      \
 156   V(StringCompareAndBranch)                  \
 157   V(SubI)                                    \
 158   V(SubS)                                    \
 159   V(TaggedToI)                               \
 160   V(ThisFunction)                            \
 161   V(ToFastProperties)                        \
 162   V(TransitionElementsKind)                  \
 163   V(TrapAllocationMemento)                   \
 164   V(Typeof)                                  \
 165   V(TypeofIsAndBranch)                       \
 166   V(Uint32ToDouble)                          \
 167   V(UnknownOSRValue)                         \
 168   V(WrapReceiver)
 169
 170 #define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)            \
 171   Opcode opcode() const final { return LInstruction::k##type; } \
 172   void CompileToNative(LCodeGen* generator) final;              \
 173   const char* Mnemonic() const final { return mnemonic; }       \
 174   static L##type* cast(LInstruction* instr) {                   \
 175     DCHECK(instr->Is##type());                                  \
 176     return reinterpret_cast<L##type*>(instr);                   \
 177   }
 178
 179
 180 #define DECLARE_HYDROGEN_ACCESSOR(type)     \
 181   H##type* hydrogen() const {               \
 182     return H##type::cast(hydrogen_value()); \
 183   }
 184
 185
 186 class LInstruction : public ZoneObject {
 187  public:
 188   LInstruction()
 189       : environment_(NULL),
 190         hydrogen_value_(NULL),
 191         bit_field_(IsCallBits::encode(false)) {
 192   }
 193
 194   virtual ~LInstruction() {}
 195
 196   virtual void CompileToNative(LCodeGen* generator) = 0;
 197   virtual const char* Mnemonic() const = 0;
 198   virtual void PrintTo(StringStream* stream);
 199   virtual void PrintDataTo(StringStream* stream);
 200   virtual void PrintOutputOperandTo(StringStream* stream);
 201
 202   enum Opcode {
 203     // Declare a unique enum value for each instruction.
 204 #define DECLARE_OPCODE(type) k##type,
 205     LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
 206     kNumberOfInstructions
 207 #undef DECLARE_OPCODE
 208   };
 209
 210   virtual Opcode opcode() const = 0;
 211
 212   // Declare non-virtual type testers for all leaf IR classes.
 213 #define DECLARE_PREDICATE(type) \
 214   bool Is##type() const { return opcode() == k##type; }
 215   LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
 216 #undef DECLARE_PREDICATE
 217
 218   // Declare virtual predicates for instructions that don't have
 219   // an opcode.
 220   virtual bool IsGap() const { return false; }
 221
 222   virtual bool IsControl() const { return false; }
 223
 224   // Try deleting this instruction if possible.
 225   virtual bool TryDelete() { return false; }
 226
 227   void set_environment(LEnvironment* env) { environment_ = env; }
 228   LEnvironment* environment() const { return environment_; }
 229   bool HasEnvironment() const { return environment_ != NULL; }
 230
 231   void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
 232   LPointerMap* pointer_map() const { return pointer_map_.get(); }
 233   bool HasPointerMap() const { return pointer_map_.is_set(); }
 234
 235   void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
 236   HValue* hydrogen_value() const { return hydrogen_value_; }
 237
 238   virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { }
 239
 240   void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
 241   bool IsCall() const { return IsCallBits::decode(bit_field_); }
 242
 243   // Interface to the register allocator and iterators.
 244   bool ClobbersTemps() const { return IsCall(); }
 245   bool ClobbersRegisters() const { return IsCall(); }
 246   virtual bool ClobbersDoubleRegisters(Isolate* isolate) const {
 247     return IsCall();
 248   }
 249
 250   // Interface to the register allocator and iterators.
 251   bool IsMarkedAsCall() const { return IsCall(); }
 252
 253   virtual bool HasResult() const = 0;
 254   virtual LOperand* result() const = 0;
 255
 256   LOperand* FirstInput() { return InputAt(0); }
 257   LOperand* Output() { return HasResult() ? result() : NULL; }
 258
 259   virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }
 260
 261 #ifdef DEBUG
 262   void VerifyCall();
 263 #endif
 264
 265   virtual int InputCount() = 0;
 266   virtual LOperand* InputAt(int i) = 0;
 267
 268  private:
 269   // Iterator interface.
 270   friend class InputIterator;
 271
 272   friend class TempIterator;
 273   virtual int TempCount() = 0;
 274   virtual LOperand* TempAt(int i) = 0;
 275
 276   class IsCallBits: public BitField<bool, 0, 1> {};
 277
 278   LEnvironment* environment_;
 279   SetOncePointer<LPointerMap> pointer_map_;
 280   HValue* hydrogen_value_;
 281   int bit_field_;
 282 };
 283
 284
 285 // R = number of result operands (0 or 1).
 286 template<int R>
 287 class LTemplateResultInstruction : public LInstruction {
 288  public:
 289   // Allow 0 or 1 output operands.
 290   STATIC_ASSERT(R == 0 || R == 1);
 291   bool HasResult() const final { return R != 0 && result() != NULL; }
 292   void set_result(LOperand* operand) { results_[0] = operand; }
 293   LOperand* result() const override { return results_[0]; }
 294
 295  protected:
 296   EmbeddedContainer<LOperand*, R> results_;
 297 };
 298
 299
 300 // R = number of result operands (0 or 1).
 301 // I = number of input operands.
 302 // T = number of temporary operands.
 303 template<int R, int I, int T>
 304 class LTemplateInstruction : public LTemplateResultInstruction<R> {
 305  protected:
 306   EmbeddedContainer<LOperand*, I> inputs_;
 307   EmbeddedContainer<LOperand*, T> temps_;
 308
 309  private:
 310   // Iterator support.
 311   int InputCount() final { return I; }
 312   LOperand* InputAt(int i) final { return inputs_[i]; }
 313
 314   int TempCount() final { return T; }
 315   LOperand* TempAt(int i) final { return temps_[i]; }
 316 };
 317
 318
 319 class LGap : public LTemplateInstruction<0, 0, 0> {
 320  public:
 321   explicit LGap(HBasicBlock* block)
 322       : block_(block) {
 323     parallel_moves_[BEFORE] = NULL;
 324     parallel_moves_[START] = NULL;
 325     parallel_moves_[END] = NULL;
 326     parallel_moves_[AFTER] = NULL;
 327   }
 328
 329   // Can't use the DECLARE-macro here because of sub-classes.
 330   bool IsGap() const final { return true; }
 331   void PrintDataTo(StringStream* stream) override;
 332   static LGap* cast(LInstruction* instr) {
 333     DCHECK(instr->IsGap());
 334     return reinterpret_cast<LGap*>(instr);
 335   }
 336
 337   bool IsRedundant() const;
 338
 339   HBasicBlock* block() const { return block_; }
 340
 341   enum InnerPosition {
 342     BEFORE,
 343     START,
 344     END,
 345     AFTER,
 346     FIRST_INNER_POSITION = BEFORE,
 347     LAST_INNER_POSITION = AFTER
 348   };
 349
 350   LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone)  {
 351     if (parallel_moves_[pos] == NULL) {
 352       parallel_moves_[pos] = new(zone) LParallelMove(zone);
 353     }
 354     return parallel_moves_[pos];
 355   }
 356
 357   LParallelMove* GetParallelMove(InnerPosition pos)  {
 358     return parallel_moves_[pos];
 359   }
 360
 361  private:
 362   LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
 363   HBasicBlock* block_;
 364 };
 365
 366
 367 class LInstructionGap final : public LGap {
 368  public:
 369   explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
 370
 371   bool HasInterestingComment(LCodeGen* gen) const override {
 372     return !IsRedundant();
 373   }
 374
 375   DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
 376 };
 377
 378
 379 class LGoto final : public LTemplateInstruction<0, 0, 0> {
 380  public:
 381   explicit LGoto(HBasicBlock* block) : block_(block) { }
 382
 383   bool HasInterestingComment(LCodeGen* gen) const override;
 384   DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
 385   void PrintDataTo(StringStream* stream) override;
 386   bool IsControl() const override { return true; }
 387
 388   int block_id() const { return block_->block_id(); }
 389
 390  private:
 391   HBasicBlock* block_;
 392 };
 393
 394
 395 class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
 396  public:
 397   LLazyBailout() : gap_instructions_size_(0) { }
 398
 399   DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")
 400
 401   void set_gap_instructions_size(int gap_instructions_size) {
 402     gap_instructions_size_ = gap_instructions_size;
 403   }
 404   int gap_instructions_size() { return gap_instructions_size_; }
 405
 406  private:
 407   int gap_instructions_size_;
 408 };
 409
 410
 411 class LDummy final : public LTemplateInstruction<1, 0, 0> {
 412  public:
 413   LDummy() {}
 414   DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
 415 };
 416
 417
 418 class LDummyUse final : public LTemplateInstruction<1, 1, 0> {
 419  public:
 420   explicit LDummyUse(LOperand* value) {
 421     inputs_[0] = value;
 422   }
 423   DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
 424 };
 425
 426
 427 class LDeoptimize final : public LTemplateInstruction<0, 0, 0> {
 428  public:
 429   bool IsControl() const override { return true; }
 430   DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
 431   DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
 432 };
 433
 434
 435 class LLabel final : public LGap {
 436  public:
 437   explicit LLabel(HBasicBlock* block)
 438       : LGap(block), replacement_(NULL) { }
 439
 440   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 441   DECLARE_CONCRETE_INSTRUCTION(Label, "label")
 442
 443   void PrintDataTo(StringStream* stream) override;
 444
 445   int block_id() const { return block()->block_id(); }
 446   bool is_loop_header() const { return block()->IsLoopHeader(); }
 447   bool is_osr_entry() const { return block()->is_osr_entry(); }
 448   Label* label() { return &label_; }
 449   LLabel* replacement() const { return replacement_; }
 450   void set_replacement(LLabel* label) { replacement_ = label; }
 451   bool HasReplacement() const { return replacement_ != NULL; }
 452
 453  private:
 454   Label label_;
 455   LLabel* replacement_;
 456 };
 457
 458
 459 class LParameter final : public LTemplateInstruction<1, 0, 0> {
 460  public:
 461   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 462   DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
 463 };
 464
 465
 466 class LCallStub final : public LTemplateInstruction<1, 1, 0> {
 467  public:
 468   explicit LCallStub(LOperand* context) {
 469     inputs_[0] = context;
 470   }
 471
 472   LOperand* context() { return inputs_[0]; }
 473
 474   DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
 475   DECLARE_HYDROGEN_ACCESSOR(CallStub)
 476 };
 477
 478
 479 class LUnknownOSRValue final : public LTemplateInstruction<1, 0, 0> {
 480  public:
 481   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
 482   DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
 483 };
 484
 485
 486 template<int I, int T>
 487 class LControlInstruction : public LTemplateInstruction<0, I, T> {
 488  public:
 489   LControlInstruction() : false_label_(NULL), true_label_(NULL) { }
 490
 491   bool IsControl() const final { return true; }
 492
 493   int SuccessorCount() { return hydrogen()->SuccessorCount(); }
 494   HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }
 495
 496   int TrueDestination(LChunk* chunk) {
 497     return chunk->LookupDestination(true_block_id());
 498   }
 499   int FalseDestination(LChunk* chunk) {
 500     return chunk->LookupDestination(false_block_id());
 501   }
 502
 503   Label* TrueLabel(LChunk* chunk) {
 504     if (true_label_ == NULL) {
 505       true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk));
 506     }
 507     return true_label_;
 508   }
 509   Label* FalseLabel(LChunk* chunk) {
 510     if (false_label_ == NULL) {
 511       false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk));
 512     }
 513     return false_label_;
 514   }
 515
 516  protected:
 517   int true_block_id() { return SuccessorAt(0)->block_id(); }
 518   int false_block_id() { return SuccessorAt(1)->block_id(); }
 519
 520  private:
 521   HControlInstruction* hydrogen() {
 522     return HControlInstruction::cast(this->hydrogen_value());
 523   }
 524
 525   Label* false_label_;
 526   Label* true_label_;
 527 };
 528
 529
 530 class LWrapReceiver final : public LTemplateInstruction<1, 2, 0> {
 531  public:
 532   LWrapReceiver(LOperand* receiver, LOperand* function) {
 533     inputs_[0] = receiver;
 534     inputs_[1] = function;
 535   }
 536
 537   DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
 538   DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)
 539
 540   LOperand* receiver() { return inputs_[0]; }
 541   LOperand* function() { return inputs_[1]; }
 542 };
 543
 544
 545 class LApplyArguments 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   DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
 558
 559   LOperand* function() { return inputs_[0]; }
 560   LOperand* receiver() { return inputs_[1]; }
 561   LOperand* length() { return inputs_[2]; }
 562   LOperand* elements() { return inputs_[3]; }
 563 };
 564
 565
 566 class LAccessArgumentsAt 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   DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")
 575
 576   LOperand* arguments() { return inputs_[0]; }
 577   LOperand* length() { return inputs_[1]; }
 578   LOperand* index() { return inputs_[2]; }
 579
 580   void PrintDataTo(StringStream* stream) override;
 581 };
 582
 583
 584 class LArgumentsLength 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 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 LModByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 604  public:
 605   LModByPowerOf2I(LOperand* dividend, int32_t divisor) {
 606     inputs_[0] = dividend;
 607     divisor_ = divisor;
 608   }
 609
 610   LOperand* dividend() { return inputs_[0]; }
 611   int32_t divisor() const { return divisor_; }
 612
 613   DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i")
 614   DECLARE_HYDROGEN_ACCESSOR(Mod)
 615
 616  private:
 617   int32_t divisor_;
 618 };
 619
 620
 621 class LModByConstI final : public LTemplateInstruction<1, 1, 0> {
 622  public:
 623   LModByConstI(LOperand* dividend, int32_t divisor) {
 624     inputs_[0] = dividend;
 625     divisor_ = divisor;
 626   }
 627
 628   LOperand* dividend() { return inputs_[0]; }
 629   int32_t divisor() const { return divisor_; }
 630
 631   DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
 632   DECLARE_HYDROGEN_ACCESSOR(Mod)
 633
 634  private:
 635   int32_t divisor_;
 636 };
 637
 638
 639 class LModI final : public LTemplateInstruction<1, 2, 3> {
 640  public:
 641   LModI(LOperand* left,
 642         LOperand* right) {
 643     inputs_[0] = left;
 644     inputs_[1] = right;
 645   }
 646
 647   LOperand* left() { return inputs_[0]; }
 648   LOperand* right() { return inputs_[1]; }
 649
 650   DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
 651   DECLARE_HYDROGEN_ACCESSOR(Mod)
 652 };
 653
 654
 655 class LDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 656  public:
 657   LDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
 658     inputs_[0] = dividend;
 659     divisor_ = divisor;
 660   }
 661
 662   LOperand* dividend() { return inputs_[0]; }
 663   int32_t divisor() const { return divisor_; }
 664
 665   DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i")
 666   DECLARE_HYDROGEN_ACCESSOR(Div)
 667
 668  private:
 669   int32_t divisor_;
 670 };
 671
 672
 673 class LDivByConstI final : public LTemplateInstruction<1, 1, 0> {
 674  public:
 675   LDivByConstI(LOperand* dividend, int32_t divisor) {
 676     inputs_[0] = dividend;
 677     divisor_ = divisor;
 678   }
 679
 680   LOperand* dividend() { return inputs_[0]; }
 681   int32_t divisor() const { return divisor_; }
 682
 683   DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
 684   DECLARE_HYDROGEN_ACCESSOR(Div)
 685
 686  private:
 687   int32_t divisor_;
 688 };
 689
 690
 691 class LDivI final : public LTemplateInstruction<1, 2, 1> {
 692  public:
 693   LDivI(LOperand* dividend, LOperand* divisor,  LOperand* temp) {
 694     inputs_[0] = dividend;
 695     inputs_[1] = divisor;
 696     temps_[0] = temp;
 697   }
 698
 699   LOperand* dividend() { return inputs_[0]; }
 700   LOperand* divisor() { return inputs_[1]; }
 701   LOperand* temp() { return temps_[0]; }
 702
 703   DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
 704   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
 705 };
 706
 707
 708 class LFlooringDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
 709  public:
 710   LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
 711     inputs_[0] = dividend;
 712     divisor_ = divisor;
 713   }
 714
 715   LOperand* dividend() { return inputs_[0]; }
 716   int32_t divisor() { return divisor_; }
 717
 718   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
 719                                "flooring-div-by-power-of-2-i")
 720   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 721
 722  private:
 723   int32_t divisor_;
 724 };
 725
 726
 727 class LFlooringDivByConstI final : public LTemplateInstruction<1, 1, 2> {
 728  public:
 729   LFlooringDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
 730     inputs_[0] = dividend;
 731     divisor_ = divisor;
 732     temps_[0] = temp;
 733   }
 734
 735   LOperand* dividend() { return inputs_[0]; }
 736   int32_t divisor() const { return divisor_; }
 737   LOperand* temp() { return temps_[0]; }
 738
 739   DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
 740   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 741
 742  private:
 743   int32_t divisor_;
 744 };
 745
 746
 747 class LFlooringDivI final : public LTemplateInstruction<1, 2, 0> {
 748  public:
 749   LFlooringDivI(LOperand* dividend, LOperand* divisor) {
 750     inputs_[0] = dividend;
 751     inputs_[1] = divisor;
 752   }
 753
 754   LOperand* dividend() { return inputs_[0]; }
 755   LOperand* divisor() { return inputs_[1]; }
 756
 757   DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
 758   DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
 759 };
 760
 761
 762 class LMulS final : public LTemplateInstruction<1, 2, 0> {
 763  public:
 764   LMulS(LOperand* left, LOperand* right) {
 765     inputs_[0] = left;
 766     inputs_[1] = right;
 767   }
 768
 769   LOperand* left() { return inputs_[0]; }
 770   LOperand* right() { return inputs_[1]; }
 771
 772   DECLARE_CONCRETE_INSTRUCTION(MulS, "mul-s")
 773   DECLARE_HYDROGEN_ACCESSOR(Mul)
 774 };
 775
 776
 777 class LMulI final : public LTemplateInstruction<1, 2, 0> {
 778  public:
 779   LMulI(LOperand* left, LOperand* right) {
 780     inputs_[0] = left;
 781     inputs_[1] = right;
 782   }
 783
 784   LOperand* left() { return inputs_[0]; }
 785   LOperand* right() { return inputs_[1]; }
 786
 787   DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
 788   DECLARE_HYDROGEN_ACCESSOR(Mul)
 789 };
 790
 791
 792 // Instruction for computing multiplier * multiplicand + addend.
 793 class LMultiplyAddD final : public LTemplateInstruction<1, 3, 0> {
 794  public:
 795   LMultiplyAddD(LOperand* addend, LOperand* multiplier,
 796                 LOperand* multiplicand) {
 797     inputs_[0] = addend;
 798     inputs_[1] = multiplier;
 799     inputs_[2] = multiplicand;
 800   }
 801
 802   LOperand* addend() { return inputs_[0]; }
 803   LOperand* multiplier() { return inputs_[1]; }
 804   LOperand* multiplicand() { return inputs_[2]; }
 805
 806   DECLARE_CONCRETE_INSTRUCTION(MultiplyAddD, "multiply-add-d")
 807 };
 808
 809
 810 class LDebugBreak final : public LTemplateInstruction<0, 0, 0> {
 811  public:
 812   DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
 813 };
 814
 815
 816 class LCompareNumericAndBranch final : public LControlInstruction<2, 0> {
 817  public:
 818   LCompareNumericAndBranch(LOperand* left, LOperand* right) {
 819     inputs_[0] = left;
 820     inputs_[1] = right;
 821   }
 822
 823   LOperand* left() { return inputs_[0]; }
 824   LOperand* right() { return inputs_[1]; }
 825
 826   DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
 827                                "compare-numeric-and-branch")
 828   DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)
 829
 830   Token::Value op() const { return hydrogen()->token(); }
 831   bool is_double() const {
 832     return hydrogen()->representation().IsDouble();
 833   }
 834
 835   void PrintDataTo(StringStream* stream) override;
 836 };
 837
 838
 839 class LMathFloor final : public LTemplateInstruction<1, 1, 1> {
 840  public:
 841   LMathFloor(LOperand* value, LOperand* temp) {
 842     inputs_[0] = value;
 843     temps_[0] = temp;
 844   }
 845
 846   LOperand* value() { return inputs_[0]; }
 847   LOperand* temp() { return temps_[0]; }
 848
 849   DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
 850   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 851 };
 852
 853
 854 class LMathRound final : public LTemplateInstruction<1, 1, 1> {
 855  public:
 856   LMathRound(LOperand* value, LOperand* temp) {
 857     inputs_[0] = value;
 858     temps_[0] = temp;
 859   }
 860
 861   LOperand* value() { return inputs_[0]; }
 862   LOperand* temp() { return temps_[0]; }
 863
 864   DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
 865   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 866 };
 867
 868
 869 class LMathFround final : public LTemplateInstruction<1, 1, 0> {
 870  public:
 871   explicit LMathFround(LOperand* value) { inputs_[0] = value; }
 872
 873   LOperand* value() { return inputs_[0]; }
 874
 875   DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
 876 };
 877
 878
 879 class LMathAbs final : public LTemplateInstruction<1, 2, 0> {
 880  public:
 881   LMathAbs(LOperand* context, LOperand* value) {
 882     inputs_[1] = context;
 883     inputs_[0] = value;
 884   }
 885
 886   LOperand* context() { return inputs_[1]; }
 887   LOperand* value() { return inputs_[0]; }
 888
 889   DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs")
 890   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 891 };
 892
 893
 894 class LMathLog final : public LTemplateInstruction<1, 1, 0> {
 895  public:
 896   explicit LMathLog(LOperand* value) {
 897     inputs_[0] = value;
 898   }
 899
 900   LOperand* value() { return inputs_[0]; }
 901
 902   DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
 903 };
 904
 905
 906 class LMathClz32 final : public LTemplateInstruction<1, 1, 0> {
 907  public:
 908   explicit LMathClz32(LOperand* value) {
 909     inputs_[0] = value;
 910   }
 911
 912   LOperand* value() { return inputs_[0]; }
 913
 914   DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
 915 };
 916
 917
 918 class LMathExp final : public LTemplateInstruction<1, 1, 3> {
 919  public:
 920   LMathExp(LOperand* value,
 921            LOperand* double_temp,
 922            LOperand* temp1,
 923            LOperand* temp2) {
 924     inputs_[0] = value;
 925     temps_[0] = temp1;
 926     temps_[1] = temp2;
 927     temps_[2] = double_temp;
 928     ExternalReference::InitializeMathExpData();
 929   }
 930
 931   LOperand* value() { return inputs_[0]; }
 932   LOperand* temp1() { return temps_[0]; }
 933   LOperand* temp2() { return temps_[1]; }
 934   LOperand* double_temp() { return temps_[2]; }
 935
 936   DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
 937 };
 938
 939
 940 class LMathSqrt final : public LTemplateInstruction<1, 1, 0> {
 941  public:
 942   explicit LMathSqrt(LOperand* value) {
 943     inputs_[0] = value;
 944   }
 945
 946   LOperand* value() { return inputs_[0]; }
 947
 948   DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
 949 };
 950
 951
 952 class LMathPowHalf final : public LTemplateInstruction<1, 1, 1> {
 953  public:
 954   LMathPowHalf(LOperand* value, LOperand* temp) {
 955     inputs_[0] = value;
 956     temps_[0] = temp;
 957   }
 958
 959   LOperand* value() { return inputs_[0]; }
 960   LOperand* temp() { return temps_[0]; }
 961
 962   DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
 963 };
 964
 965
 966 class LCmpObjectEqAndBranch final : public LControlInstruction<2, 0> {
 967  public:
 968   LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
 969     inputs_[0] = left;
 970     inputs_[1] = right;
 971   }
 972
 973   LOperand* left() { return inputs_[0]; }
 974   LOperand* right() { return inputs_[1]; }
 975
 976   DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch")
 977   DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
 978 };
 979
 980
 981 class LCmpHoleAndBranch final : public LControlInstruction<1, 0> {
 982  public:
 983   explicit LCmpHoleAndBranch(LOperand* object) {
 984     inputs_[0] = object;
 985   }
 986
 987   LOperand* object() { return inputs_[0]; }
 988
 989   DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranch, "cmp-hole-and-branch")
 990   DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
 991 };
 992
 993
 994 class LCompareMinusZeroAndBranch final : public LControlInstruction<1, 1> {
 995  public:
 996   LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) {
 997     inputs_[0] = value;
 998     temps_[0] = temp;
 999   }
1000
1001   LOperand* value() { return inputs_[0]; }
1002   LOperand* temp() { return temps_[0]; }
1003
1004   DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch,
1005                                "cmp-minus-zero-and-branch")
1006   DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch)
1007 };
1008
1009
1010 class LIsObjectAndBranch final : public LControlInstruction<1, 1> {
1011  public:
1012   LIsObjectAndBranch(LOperand* value, LOperand* temp) {
1013     inputs_[0] = value;
1014     temps_[0] = temp;
1015   }
1016
1017   LOperand* value() { return inputs_[0]; }
1018   LOperand* temp() { return temps_[0]; }
1019
1020   DECLARE_CONCRETE_INSTRUCTION(IsObjectAndBranch, "is-object-and-branch")
1021   DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)
1022
1023   void PrintDataTo(StringStream* stream) override;
1024 };
1025
1026
1027 class LIsStringAndBranch final : public LControlInstruction<1, 1> {
1028  public:
1029   LIsStringAndBranch(LOperand* value, LOperand* temp) {
1030     inputs_[0] = value;
1031     temps_[0] = temp;
1032   }
1033
1034   LOperand* value() { return inputs_[0]; }
1035   LOperand* temp() { return temps_[0]; }
1036
1037   DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
1038   DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)
1039
1040   void PrintDataTo(StringStream* stream) override;
1041 };
1042
1043
1044 class LIsSmiAndBranch final : public LControlInstruction<1, 0> {
1045  public:
1046   explicit LIsSmiAndBranch(LOperand* value) {
1047     inputs_[0] = value;
1048   }
1049
1050   LOperand* value() { return inputs_[0]; }
1051
1052   DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
1053   DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)
1054
1055   void PrintDataTo(StringStream* stream) override;
1056 };
1057
1058
1059 class LIsUndetectableAndBranch final : public LControlInstruction<1, 1> {
1060  public:
1061   explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
1062     inputs_[0] = value;
1063     temps_[0] = temp;
1064   }
1065
1066   LOperand* value() { return inputs_[0]; }
1067   LOperand* temp() { return temps_[0]; }
1068
1069   DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
1070                                "is-undetectable-and-branch")
1071   DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)
1072
1073   void PrintDataTo(StringStream* stream) override;
1074 };
1075
1076
1077 class LStringCompareAndBranch final : public LControlInstruction<3, 0> {
1078  public:
1079   LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) {
1080     inputs_[0] = context;
1081     inputs_[1] = left;
1082     inputs_[2] = right;
1083   }
1084
1085   LOperand* context() { return inputs_[0]; }
1086   LOperand* left() { return inputs_[1]; }
1087   LOperand* right() { return inputs_[2]; }
1088
1089   DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
1090                                "string-compare-and-branch")
1091   DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)
1092
1093   Token::Value op() const { return hydrogen()->token(); }
1094
1095   void PrintDataTo(StringStream* stream) override;
1096 };
1097
1098
1099 class LHasInstanceTypeAndBranch final : public LControlInstruction<1, 0> {
1100  public:
1101   explicit LHasInstanceTypeAndBranch(LOperand* value) {
1102     inputs_[0] = value;
1103   }
1104
1105   LOperand* value() { return inputs_[0]; }
1106
1107   DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
1108                                "has-instance-type-and-branch")
1109   DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)
1110
1111   void PrintDataTo(StringStream* stream) override;
1112 };
1113
1114
1115 class LGetCachedArrayIndex final : public LTemplateInstruction<1, 1, 0> {
1116  public:
1117   explicit LGetCachedArrayIndex(LOperand* value) {
1118     inputs_[0] = value;
1119   }
1120
1121   LOperand* value() { return inputs_[0]; }
1122
1123   DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
1124   DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
1125 };
1126
1127
1128 class LHasCachedArrayIndexAndBranch final : public LControlInstruction<1, 0> {
1129  public:
1130   explicit LHasCachedArrayIndexAndBranch(LOperand* value) {
1131     inputs_[0] = value;
1132   }
1133
1134   LOperand* value() { return inputs_[0]; }
1135
1136   DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
1137                                "has-cached-array-index-and-branch")
1138   DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)
1139
1140   void PrintDataTo(StringStream* stream) override;
1141 };
1142
1143
1144 class LClassOfTestAndBranch final : public LControlInstruction<1, 1> {
1145  public:
1146   LClassOfTestAndBranch(LOperand* value, LOperand* temp) {
1147     inputs_[0] = value;
1148     temps_[0] = temp;
1149   }
1150
1151   LOperand* value() { return inputs_[0]; }
1152   LOperand* temp() { return temps_[0]; }
1153
1154   DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
1155                                "class-of-test-and-branch")
1156   DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)
1157
1158   void PrintDataTo(StringStream* stream) override;
1159 };
1160
1161
1162 class LCmpT final : public LTemplateInstruction<1, 3, 0> {
1163  public:
1164   LCmpT(LOperand* context, LOperand* left, LOperand* right) {
1165     inputs_[0] = context;
1166     inputs_[1] = left;
1167     inputs_[2] = right;
1168   }
1169
1170   LOperand* context() { return inputs_[0]; }
1171   LOperand* left() { return inputs_[1]; }
1172   LOperand* right() { return inputs_[2]; }
1173
1174   DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
1175   DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)
1176
1177   Strength strength() { return hydrogen()->strength(); }
1178
1179   Token::Value op() const { return hydrogen()->token(); }
1180 };
1181
1182
1183 class LInstanceOf final : public LTemplateInstruction<1, 3, 0> {
1184  public:
1185   LInstanceOf(LOperand* context, LOperand* left, LOperand* right) {
1186     inputs_[0] = context;
1187     inputs_[1] = left;
1188     inputs_[2] = right;
1189   }
1190
1191   LOperand* context() { return inputs_[0]; }
1192   LOperand* left() { return inputs_[1]; }
1193   LOperand* right() { return inputs_[2]; }
1194
1195   DECLARE_CONCRETE_INSTRUCTION(InstanceOf, "instance-of")
1196 };
1197
1198
1199 class LInstanceOfKnownGlobal final : public LTemplateInstruction<1, 2, 1> {
1200  public:
1201   LInstanceOfKnownGlobal(LOperand* context, LOperand* value, LOperand* temp) {
1202     inputs_[0] = context;
1203     inputs_[1] = value;
1204     temps_[0] = temp;
1205   }
1206
1207   LOperand* context() { return inputs_[0]; }
1208   LOperand* value() { return inputs_[1]; }
1209   LOperand* temp() { return temps_[0]; }
1210
1211   DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
1212                                "instance-of-known-global")
1213   DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
1214
1215   Handle<JSFunction> function() const { return hydrogen()->function(); }
1216   LEnvironment* GetDeferredLazyDeoptimizationEnvironment() {
1217     return lazy_deopt_env_;
1218   }
1219   virtual void SetDeferredLazyDeoptimizationEnvironment(
1220       LEnvironment* env) override {
1221     lazy_deopt_env_ = env;
1222   }
1223
1224  private:
1225   LEnvironment* lazy_deopt_env_;
1226 };
1227
1228
1229 class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> {
1230  public:
1231   LBoundsCheck(LOperand* index, LOperand* length) {
1232     inputs_[0] = index;
1233     inputs_[1] = length;
1234   }
1235
1236   LOperand* index() { return inputs_[0]; }
1237   LOperand* length() { return inputs_[1]; }
1238
1239   DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
1240   DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
1241 };
1242
1243
1244 class LBitI final : public LTemplateInstruction<1, 2, 0> {
1245  public:
1246   LBitI(LOperand* left, LOperand* right) {
1247     inputs_[0] = left;
1248     inputs_[1] = right;
1249   }
1250
1251   LOperand* left() { return inputs_[0]; }
1252   LOperand* right() { return inputs_[1]; }
1253
1254   Token::Value op() const { return hydrogen()->op(); }
1255
1256   DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
1257   DECLARE_HYDROGEN_ACCESSOR(Bitwise)
1258 };
1259
1260
1261 class LShiftI final : public LTemplateInstruction<1, 2, 0> {
1262  public:
1263   LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
1264       : op_(op), can_deopt_(can_deopt) {
1265     inputs_[0] = left;
1266     inputs_[1] = right;
1267   }
1268
1269   Token::Value op() const { return op_; }
1270   LOperand* left() { return inputs_[0]; }
1271   LOperand* right() { return inputs_[1]; }
1272   bool can_deopt() const { return can_deopt_; }
1273
1274   DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")
1275
1276  private:
1277   Token::Value op_;
1278   bool can_deopt_;
1279 };
1280
1281
1282 class LSubI final : public LTemplateInstruction<1, 2, 0> {
1283  public:
1284   LSubI(LOperand* left, LOperand* right) {
1285     inputs_[0] = left;
1286     inputs_[1] = right;
1287   }
1288
1289   LOperand* left() { return inputs_[0]; }
1290   LOperand* right() { return inputs_[1]; }
1291
1292   DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
1293   DECLARE_HYDROGEN_ACCESSOR(Sub)
1294 };
1295
1296
1297 class LSubS final : public LTemplateInstruction<1, 2, 0> {
1298  public:
1299   LSubS(LOperand* left, LOperand* right) {
1300     inputs_[0] = left;
1301     inputs_[1] = right;
1302   }
1303
1304   LOperand* left() { return inputs_[0]; }
1305   LOperand* right() { return inputs_[1]; }
1306
1307   DECLARE_CONCRETE_INSTRUCTION(SubS, "sub-s")
1308   DECLARE_HYDROGEN_ACCESSOR(Sub)
1309 };
1310
1311
1312 class LConstantI final : public LTemplateInstruction<1, 0, 0> {
1313  public:
1314   DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
1315   DECLARE_HYDROGEN_ACCESSOR(Constant)
1316
1317   int32_t value() const { return hydrogen()->Integer32Value(); }
1318 };
1319
1320
1321 class LConstantS final : public LTemplateInstruction<1, 0, 0> {
1322  public:
1323   DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
1324   DECLARE_HYDROGEN_ACCESSOR(Constant)
1325
1326   Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
1327 };
1328
1329
1330 class LConstantD final : public LTemplateInstruction<1, 0, 0> {
1331  public:
1332   DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
1333   DECLARE_HYDROGEN_ACCESSOR(Constant)
1334
1335   double value() const { return hydrogen()->DoubleValue(); }
1336 };
1337
1338
1339 class LConstantE final : public LTemplateInstruction<1, 0, 0> {
1340  public:
1341   DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
1342   DECLARE_HYDROGEN_ACCESSOR(Constant)
1343
1344   ExternalReference value() const {
1345     return hydrogen()->ExternalReferenceValue();
1346   }
1347 };
1348
1349
1350 class LConstantT final : public LTemplateInstruction<1, 0, 0> {
1351  public:
1352   DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
1353   DECLARE_HYDROGEN_ACCESSOR(Constant)
1354
1355   Handle<Object> value(Isolate* isolate) const {
1356     return hydrogen()->handle(isolate);
1357   }
1358 };
1359
1360
1361 class LBranch final : public LControlInstruction<1, 0> {
1362  public:
1363   explicit LBranch(LOperand* value) {
1364     inputs_[0] = value;
1365   }
1366
1367   LOperand* value() { return inputs_[0]; }
1368
1369   DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
1370   DECLARE_HYDROGEN_ACCESSOR(Branch)
1371
1372   void PrintDataTo(StringStream* stream) override;
1373 };
1374
1375
1376 class LCmpMapAndBranch final : public LControlInstruction<1, 1> {
1377  public:
1378   LCmpMapAndBranch(LOperand* value, LOperand* temp) {
1379     inputs_[0] = value;
1380     temps_[0] = temp;
1381   }
1382
1383   LOperand* value() { return inputs_[0]; }
1384   LOperand* temp() { return temps_[0]; }
1385
1386   DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
1387   DECLARE_HYDROGEN_ACCESSOR(CompareMap)
1388
1389   Handle<Map> map() const { return hydrogen()->map().handle(); }
1390 };
1391
1392
1393 class LMapEnumLength final : public LTemplateInstruction<1, 1, 0> {
1394  public:
1395   explicit LMapEnumLength(LOperand* value) {
1396     inputs_[0] = value;
1397   }
1398
1399   LOperand* value() { return inputs_[0]; }
1400
1401   DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
1402 };
1403
1404
1405 class LDateField final : public LTemplateInstruction<1, 1, 1> {
1406  public:
1407   LDateField(LOperand* date, LOperand* temp, Smi* index) : index_(index) {
1408     inputs_[0] = date;
1409     temps_[0] = temp;
1410   }
1411
1412   LOperand* date() { return inputs_[0]; }
1413   LOperand* temp() { return temps_[0]; }
1414   Smi* index() const { return index_; }
1415
1416   DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
1417   DECLARE_HYDROGEN_ACCESSOR(DateField)
1418
1419  private:
1420   Smi* index_;
1421 };
1422
1423
1424 class LSeqStringGetChar final : public LTemplateInstruction<1, 2, 0> {
1425  public:
1426   LSeqStringGetChar(LOperand* string, LOperand* index) {
1427     inputs_[0] = string;
1428     inputs_[1] = index;
1429   }
1430
1431   LOperand* string() const { return inputs_[0]; }
1432   LOperand* index() const { return inputs_[1]; }
1433
1434   DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
1435   DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
1436 };
1437
1438
1439 class LSeqStringSetChar final : public LTemplateInstruction<1, 4, 0> {
1440  public:
1441   LSeqStringSetChar(LOperand* context,
1442                     LOperand* string,
1443                     LOperand* index,
1444                     LOperand* value) {
1445     inputs_[0] = context;
1446     inputs_[1] = string;
1447     inputs_[2] = index;
1448     inputs_[3] = value;
1449   }
1450
1451   LOperand* string() { return inputs_[1]; }
1452   LOperand* index() { return inputs_[2]; }
1453   LOperand* value() { return inputs_[3]; }
1454
1455   DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char")
1456   DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar)
1457 };
1458
1459
1460 class LAddE final : public LTemplateInstruction<1, 2, 0> {
1461  public:
1462   LAddE(LOperand* left, LOperand* right) {
1463     inputs_[0] = left;
1464     inputs_[1] = right;
1465   }
1466
1467   LOperand* left() { return inputs_[0]; }
1468   LOperand* right() { return inputs_[1]; }
1469
1470   DECLARE_CONCRETE_INSTRUCTION(AddE, "add-e")
1471   DECLARE_HYDROGEN_ACCESSOR(Add)
1472 };
1473
1474
1475 class LAddI final : public LTemplateInstruction<1, 2, 0> {
1476  public:
1477   LAddI(LOperand* left, LOperand* right) {
1478     inputs_[0] = left;
1479     inputs_[1] = right;
1480   }
1481
1482   LOperand* left() { return inputs_[0]; }
1483   LOperand* right() { return inputs_[1]; }
1484
1485   DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
1486   DECLARE_HYDROGEN_ACCESSOR(Add)
1487 };
1488
1489
1490 class LAddS final : public LTemplateInstruction<1, 2, 0> {
1491  public:
1492   LAddS(LOperand* left, LOperand* right) {
1493     inputs_[0] = left;
1494     inputs_[1] = right;
1495   }
1496
1497   LOperand* left() { return inputs_[0]; }
1498   LOperand* right() { return inputs_[1]; }
1499
1500   DECLARE_CONCRETE_INSTRUCTION(AddS, "add-s")
1501   DECLARE_HYDROGEN_ACCESSOR(Add)
1502 };
1503
1504
1505 class LMathMinMax final : public LTemplateInstruction<1, 2, 0> {
1506  public:
1507   LMathMinMax(LOperand* left, LOperand* right) {
1508     inputs_[0] = left;
1509     inputs_[1] = right;
1510   }
1511
1512   LOperand* left() { return inputs_[0]; }
1513   LOperand* right() { return inputs_[1]; }
1514
1515   DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max")
1516   DECLARE_HYDROGEN_ACCESSOR(MathMinMax)
1517 };
1518
1519
1520 class LPower final : public LTemplateInstruction<1, 2, 0> {
1521  public:
1522   LPower(LOperand* left, LOperand* right) {
1523     inputs_[0] = left;
1524     inputs_[1] = right;
1525   }
1526
1527   LOperand* left() { return inputs_[0]; }
1528   LOperand* right() { return inputs_[1]; }
1529
1530   DECLARE_CONCRETE_INSTRUCTION(Power, "power")
1531   DECLARE_HYDROGEN_ACCESSOR(Power)
1532 };
1533
1534
1535 class LArithmeticD final : public LTemplateInstruction<1, 2, 0> {
1536  public:
1537   LArithmeticD(Token::Value op, LOperand* left, LOperand* right)
1538       : op_(op) {
1539     inputs_[0] = left;
1540     inputs_[1] = right;
1541   }
1542
1543   Token::Value op() const { return op_; }
1544   LOperand* left() { return inputs_[0]; }
1545   LOperand* right() { return inputs_[1]; }
1546
1547   Opcode opcode() const override { return LInstruction::kArithmeticD; }
1548   void CompileToNative(LCodeGen* generator) override;
1549   const char* Mnemonic() const override;
1550
1551  private:
1552   Token::Value op_;
1553 };
1554
1555
1556 class LArithmeticT final : public LTemplateInstruction<1, 3, 0> {
1557  public:
1558   LArithmeticT(Token::Value op,
1559                LOperand* context,
1560                LOperand* left,
1561                LOperand* right)
1562       : op_(op) {
1563     inputs_[0] = context;
1564     inputs_[1] = left;
1565     inputs_[2] = right;
1566   }
1567
1568   LOperand* context() { return inputs_[0]; }
1569   LOperand* left() { return inputs_[1]; }
1570   LOperand* right() { return inputs_[2]; }
1571   Token::Value op() const { return op_; }
1572
1573   Opcode opcode() const final { return LInstruction::kArithmeticT; }
1574   void CompileToNative(LCodeGen* generator) override;
1575   const char* Mnemonic() const override;
1576
1577   DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
1578
1579   Strength strength() { return hydrogen()->strength(); }
1580
1581  private:
1582   Token::Value op_;
1583 };
1584
1585
1586 class LReturn final : public LTemplateInstruction<0, 3, 0> {
1587  public:
1588   LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
1589     inputs_[0] = value;
1590     inputs_[1] = context;
1591     inputs_[2] = parameter_count;
1592   }
1593
1594   LOperand* value() { return inputs_[0]; }
1595
1596   bool has_constant_parameter_count() {
1597     return parameter_count()->IsConstantOperand();
1598   }
1599   LConstantOperand* constant_parameter_count() {
1600     DCHECK(has_constant_parameter_count());
1601     return LConstantOperand::cast(parameter_count());
1602   }
1603   LOperand* parameter_count() { return inputs_[2]; }
1604
1605   DECLARE_CONCRETE_INSTRUCTION(Return, "return")
1606 };
1607
1608
1609 class LLoadNamedField final : public LTemplateInstruction<1, 1, 0> {
1610  public:
1611   explicit LLoadNamedField(LOperand* object) {
1612     inputs_[0] = object;
1613   }
1614
1615   LOperand* object() { return inputs_[0]; }
1616
1617   DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
1618   DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
1619 };
1620
1621
1622 class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
1623  public:
1624   LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
1625     inputs_[0] = context;
1626     inputs_[1] = object;
1627     temps_[0] = vector;
1628   }
1629
1630   LOperand* context() { return inputs_[0]; }
1631   LOperand* object() { return inputs_[1]; }
1632   LOperand* temp_vector() { return temps_[0]; }
1633
1634   DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
1635   DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
1636
1637   Handle<Object> name() const { return hydrogen()->name(); }
1638 };
1639
1640
1641 class LLoadFunctionPrototype final : public LTemplateInstruction<1, 1, 0> {
1642  public:
1643   explicit LLoadFunctionPrototype(LOperand* function) {
1644     inputs_[0] = function;
1645   }
1646
1647   LOperand* function() { return inputs_[0]; }
1648
1649   DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
1650   DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
1651 };
1652
1653
1654 class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
1655  public:
1656   DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
1657   DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
1658
1659   Heap::RootListIndex index() const { return hydrogen()->index(); }
1660 };
1661
1662
1663 class LLoadKeyed final : public LTemplateInstruction<1, 2, 0> {
1664  public:
1665   LLoadKeyed(LOperand* elements, LOperand* key) {
1666     inputs_[0] = elements;
1667     inputs_[1] = key;
1668   }
1669
1670   LOperand* elements() { return inputs_[0]; }
1671   LOperand* key() { return inputs_[1]; }
1672   ElementsKind elements_kind() const {
1673     return hydrogen()->elements_kind();
1674   }
1675   bool is_fixed_typed_array() const {
1676     return hydrogen()->is_fixed_typed_array();
1677   }
1678
1679   DECLARE_CONCRETE_INSTRUCTION(LoadKeyed, "load-keyed")
1680   DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
1681
1682   void PrintDataTo(StringStream* stream) override;
1683   uint32_t base_offset() const { return hydrogen()->base_offset(); }
1684 };
1685
1686
1687 class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
1688  public:
1689   LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
1690                     LOperand* vector) {
1691     inputs_[0] = context;
1692     inputs_[1] = object;
1693     inputs_[2] = key;
1694     temps_[0] = vector;
1695   }
1696
1697   LOperand* context() { return inputs_[0]; }
1698   LOperand* object() { return inputs_[1]; }
1699   LOperand* key() { return inputs_[2]; }
1700   LOperand* temp_vector() { return temps_[0]; }
1701
1702   DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1703   DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
1704 };
1705
1706
1707 class LLoadGlobalGeneric final : public LTemplateInstruction<1, 2, 1> {
1708  public:
1709   LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
1710                      LOperand* vector) {
1711     inputs_[0] = context;
1712     inputs_[1] = global_object;
1713     temps_[0] = vector;
1714   }
1715
1716   LOperand* context() { return inputs_[0]; }
1717   LOperand* global_object() { return inputs_[1]; }
1718   LOperand* temp_vector() { return temps_[0]; }
1719
1720   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
1721   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
1722
1723   Handle<Object> name() const { return hydrogen()->name(); }
1724   TypeofMode typeof_mode() const { return hydrogen()->typeof_mode(); }
1725 };
1726
1727
1728 class LLoadGlobalViaContext final : public LTemplateInstruction<1, 1, 1> {
1729  public:
1730   explicit LLoadGlobalViaContext(LOperand* context) { inputs_[0] = context; }
1731
1732   DECLARE_CONCRETE_INSTRUCTION(LoadGlobalViaContext, "load-global-via-context")
1733   DECLARE_HYDROGEN_ACCESSOR(LoadGlobalViaContext)
1734
1735   void PrintDataTo(StringStream* stream) override;
1736
1737   LOperand* context() { return inputs_[0]; }
1738
1739   int depth() const { return hydrogen()->depth(); }
1740   int slot_index() const { return hydrogen()->slot_index(); }
1741 };
1742
1743
1744 class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
1745  public:
1746   explicit LLoadContextSlot(LOperand* context) {
1747     inputs_[0] = context;
1748   }
1749
1750   LOperand* context() { return inputs_[0]; }
1751
1752   DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
1753   DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)
1754
1755   int slot_index() { return hydrogen()->slot_index(); }
1756
1757   void PrintDataTo(StringStream* stream) override;
1758 };
1759
1760
1761 class LStoreContextSlot final : public LTemplateInstruction<0, 2, 0> {
1762  public:
1763   LStoreContextSlot(LOperand* context, LOperand* value) {
1764     inputs_[0] = context;
1765     inputs_[1] = value;
1766   }
1767
1768   LOperand* context() { return inputs_[0]; }
1769   LOperand* value() { return inputs_[1]; }
1770
1771   DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
1772   DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)
1773
1774   int slot_index() { return hydrogen()->slot_index(); }
1775
1776   void PrintDataTo(StringStream* stream) override;
1777 };
1778
1779
1780 class LPushArgument final : public LTemplateInstruction<0, 1, 0> {
1781  public:
1782   explicit LPushArgument(LOperand* value) {
1783     inputs_[0] = value;
1784   }
1785
1786   LOperand* value() { return inputs_[0]; }
1787
1788   DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
1789 };
1790
1791
1792 class LDrop final : public LTemplateInstruction<0, 0, 0> {
1793  public:
1794   explicit LDrop(int count) : count_(count) { }
1795
1796   int count() const { return count_; }
1797
1798   DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")
1799
1800  private:
1801   int count_;
1802 };
1803
1804
1805 class LStoreCodeEntry final : public LTemplateInstruction<0, 2, 0> {
1806  public:
1807   LStoreCodeEntry(LOperand* function, LOperand* code_object) {
1808     inputs_[0] = function;
1809     inputs_[1] = code_object;
1810   }
1811
1812   LOperand* function() { return inputs_[0]; }
1813   LOperand* code_object() { return inputs_[1]; }
1814
1815   void PrintDataTo(StringStream* stream) override;
1816
1817   DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
1818   DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
1819 };
1820
1821
1822 class LInnerAllocatedObject final : public LTemplateInstruction<1, 2, 0> {
1823  public:
1824   LInnerAllocatedObject(LOperand* base_object, LOperand* offset) {
1825     inputs_[0] = base_object;
1826     inputs_[1] = offset;
1827   }
1828
1829   LOperand* base_object() const { return inputs_[0]; }
1830   LOperand* offset() const { return inputs_[1]; }
1831
1832   void PrintDataTo(StringStream* stream) override;
1833
1834   DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
1835 };
1836
1837
1838 class LThisFunction final : public LTemplateInstruction<1, 0, 0> {
1839  public:
1840   DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
1841   DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
1842 };
1843
1844
1845 class LContext final : public LTemplateInstruction<1, 0, 0> {
1846  public:
1847   DECLARE_CONCRETE_INSTRUCTION(Context, "context")
1848   DECLARE_HYDROGEN_ACCESSOR(Context)
1849 };
1850
1851
1852 class LDeclareGlobals final : public LTemplateInstruction<0, 1, 0> {
1853  public:
1854   explicit LDeclareGlobals(LOperand* context) {
1855     inputs_[0] = context;
1856   }
1857
1858   LOperand* context() { return inputs_[0]; }
1859
1860   DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
1861   DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
1862 };
1863
1864
1865 class LCallJSFunction final : public LTemplateInstruction<1, 1, 0> {
1866  public:
1867   explicit LCallJSFunction(LOperand* function) {
1868     inputs_[0] = function;
1869   }
1870
1871   LOperand* function() { return inputs_[0]; }
1872
1873   DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
1874   DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
1875
1876   void PrintDataTo(StringStream* stream) override;
1877
1878   int arity() const { return hydrogen()->argument_count() - 1; }
1879 };
1880
1881
1882 class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
1883  public:
1884   LCallWithDescriptor(CallInterfaceDescriptor descriptor,
1885                       const ZoneList<LOperand*>& operands, Zone* zone)
1886       : descriptor_(descriptor),
1887         inputs_(descriptor.GetRegisterParameterCount() +
1888                     kImplicitRegisterParameterCount,
1889                 zone) {
1890     DCHECK(descriptor.GetRegisterParameterCount() +
1891                kImplicitRegisterParameterCount ==
1892            operands.length());
1893     inputs_.AddAll(operands, zone);
1894   }
1895
1896   LOperand* target() const { return inputs_[0]; }
1897
1898   const CallInterfaceDescriptor descriptor() { return descriptor_; }
1899
1900   DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)
1901
1902   // The target and context are passed as implicit parameters that are not
1903   // explicitly listed in the descriptor.
1904   static const int kImplicitRegisterParameterCount = 2;
1905
1906  private:
1907   DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")
1908
1909   void PrintDataTo(StringStream* stream) override;
1910
1911   int arity() const { return hydrogen()->argument_count() - 1; }
1912
1913   CallInterfaceDescriptor descriptor_;
1914   ZoneList<LOperand*> inputs_;
1915
1916   // Iterator support.
1917   int InputCount() final { return inputs_.length(); }
1918   LOperand* InputAt(int i) final { return inputs_[i]; }
1919
1920   int TempCount() final { return 0; }
1921   LOperand* TempAt(int i) final { return NULL; }
1922 };
1923
1924
1925 class LInvokeFunction final : public LTemplateInstruction<1, 2, 0> {
1926  public:
1927   LInvokeFunction(LOperand* context, LOperand* function) {
1928     inputs_[0] = context;
1929     inputs_[1] = function;
1930   }
1931
1932   LOperand* context() { return inputs_[0]; }
1933   LOperand* function() { return inputs_[1]; }
1934
1935   DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
1936   DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)
1937
1938   void PrintDataTo(StringStream* stream) override;
1939
1940   int arity() const { return hydrogen()->argument_count() - 1; }
1941 };
1942
1943
1944 class LCallFunction final : public LTemplateInstruction<1, 2, 2> {
1945  public:
1946   LCallFunction(LOperand* context, LOperand* function, LOperand* slot,
1947                 LOperand* vector) {
1948     inputs_[0] = context;
1949     inputs_[1] = function;
1950     temps_[0] = slot;
1951     temps_[1] = vector;
1952   }
1953
1954   LOperand* context() { return inputs_[0]; }
1955   LOperand* function() { return inputs_[1]; }
1956   LOperand* temp_slot() { return temps_[0]; }
1957   LOperand* temp_vector() { return temps_[1]; }
1958
1959   DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
1960   DECLARE_HYDROGEN_ACCESSOR(CallFunction)
1961
1962   int arity() const { return hydrogen()->argument_count() - 1; }
1963   void PrintDataTo(StringStream* stream) override;
1964 };
1965
1966
1967 class LCallNew final : public LTemplateInstruction<1, 2, 0> {
1968  public:
1969   LCallNew(LOperand* context, LOperand* constructor) {
1970     inputs_[0] = context;
1971     inputs_[1] = constructor;
1972   }
1973
1974   LOperand* context() { return inputs_[0]; }
1975   LOperand* constructor() { return inputs_[1]; }
1976
1977   DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
1978   DECLARE_HYDROGEN_ACCESSOR(CallNew)
1979
1980   void PrintDataTo(StringStream* stream) override;
1981
1982   int arity() const { return hydrogen()->argument_count() - 1; }
1983 };
1984
1985
1986 class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
1987  public:
1988   LCallNewArray(LOperand* context, LOperand* constructor) {
1989     inputs_[0] = context;
1990     inputs_[1] = constructor;
1991   }
1992
1993   LOperand* context() { return inputs_[0]; }
1994   LOperand* constructor() { return inputs_[1]; }
1995
1996   DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array")
1997   DECLARE_HYDROGEN_ACCESSOR(CallNewArray)
1998
1999   void PrintDataTo(StringStream* stream) override;
2000
2001   int arity() const { return hydrogen()->argument_count() - 1; }
2002 };
2003
2004
2005 class LCallRuntime final : public LTemplateInstruction<1, 1, 0> {
2006  public:
2007   explicit LCallRuntime(LOperand* context) {
2008     inputs_[0] = context;
2009   }
2010
2011   LOperand* context() { return inputs_[0]; }
2012
2013   DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
2014   DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
2015
2016   bool ClobbersDoubleRegisters(Isolate* isolate) const override {
2017     return save_doubles() == kDontSaveFPRegs;
2018   }
2019
2020   const Runtime::Function* function() const { return hydrogen()->function(); }
2021   int arity() const { return hydrogen()->argument_count(); }
2022   SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
2023 };
2024
2025
2026 class LInteger32ToDouble final : public LTemplateInstruction<1, 1, 0> {
2027  public:
2028   explicit LInteger32ToDouble(LOperand* value) {
2029     inputs_[0] = value;
2030   }
2031
2032   LOperand* value() { return inputs_[0]; }
2033
2034   DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
2035 };
2036
2037
2038 class LUint32ToDouble final : public LTemplateInstruction<1, 1, 0> {
2039  public:
2040   explicit LUint32ToDouble(LOperand* value) {
2041     inputs_[0] = value;
2042   }
2043
2044   LOperand* value() { return inputs_[0]; }
2045
2046   DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
2047 };
2048
2049
2050 class LNumberTagU final : public LTemplateInstruction<1, 1, 2> {
2051  public:
2052   LNumberTagU(LOperand* value, LOperand* temp1, LOperand* temp2) {
2053     inputs_[0] = value;
2054     temps_[0] = temp1;
2055     temps_[1] = temp2;
2056   }
2057
2058   LOperand* value() { return inputs_[0]; }
2059   LOperand* temp1() { return temps_[0]; }
2060   LOperand* temp2() { return temps_[1]; }
2061
2062   DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
2063 };
2064
2065
2066 class LNumberTagD final : public LTemplateInstruction<1, 1, 2> {
2067  public:
2068   LNumberTagD(LOperand* value, LOperand* temp, LOperand* temp2) {
2069     inputs_[0] = value;
2070     temps_[0] = temp;
2071     temps_[1] = temp2;
2072   }
2073
2074   LOperand* value() { return inputs_[0]; }
2075   LOperand* temp() { return temps_[0]; }
2076   LOperand* temp2() { return temps_[1]; }
2077
2078   DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
2079   DECLARE_HYDROGEN_ACCESSOR(Change)
2080 };
2081
2082
2083 class LDoubleToSmi final : public LTemplateInstruction<1, 1, 0> {
2084  public:
2085   explicit LDoubleToSmi(LOperand* value) {
2086     inputs_[0] = value;
2087   }
2088
2089   LOperand* value() { return inputs_[0]; }
2090
2091   DECLARE_CONCRETE_INSTRUCTION(DoubleToSmi, "double-to-smi")
2092   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2093
2094   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2095 };
2096
2097
2098 // Sometimes truncating conversion from a tagged value to an int32.
2099 class LDoubleToI final : public LTemplateInstruction<1, 1, 0> {
2100  public:
2101   explicit LDoubleToI(LOperand* value) {
2102     inputs_[0] = value;
2103   }
2104
2105   LOperand* value() { return inputs_[0]; }
2106
2107   DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
2108   DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)
2109
2110   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2111 };
2112
2113
2114 // Truncating conversion from a tagged value to an int32.
2115 class LTaggedToI final : public LTemplateInstruction<1, 1, 2> {
2116  public:
2117   LTaggedToI(LOperand* value,
2118              LOperand* temp,
2119              LOperand* temp2) {
2120     inputs_[0] = value;
2121     temps_[0] = temp;
2122     temps_[1] = temp2;
2123   }
2124
2125   LOperand* value() { return inputs_[0]; }
2126   LOperand* temp() { return temps_[0]; }
2127   LOperand* temp2() { return temps_[1]; }
2128
2129   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
2130   DECLARE_HYDROGEN_ACCESSOR(Change)
2131
2132   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
2133 };
2134
2135
2136 class LSmiTag final : public LTemplateInstruction<1, 1, 0> {
2137  public:
2138   explicit LSmiTag(LOperand* value) {
2139     inputs_[0] = value;
2140   }
2141
2142   LOperand* value() { return inputs_[0]; }
2143
2144   DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
2145   DECLARE_HYDROGEN_ACCESSOR(Change)
2146 };
2147
2148
2149 class LNumberUntagD final : public LTemplateInstruction<1, 1, 0> {
2150  public:
2151   explicit LNumberUntagD(LOperand* value) {
2152     inputs_[0] = value;
2153   }
2154
2155   LOperand* value() { return inputs_[0]; }
2156
2157   DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
2158   DECLARE_HYDROGEN_ACCESSOR(Change)
2159 };
2160
2161
2162 class LSmiUntag final : public LTemplateInstruction<1, 1, 0> {
2163  public:
2164   LSmiUntag(LOperand* value, bool needs_check)
2165       : needs_check_(needs_check) {
2166     inputs_[0] = value;
2167   }
2168
2169   LOperand* value() { return inputs_[0]; }
2170   bool needs_check() const { return needs_check_; }
2171
2172   DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
2173
2174  private:
2175   bool needs_check_;
2176 };
2177
2178
2179 class LStoreNamedField final : public LTemplateInstruction<0, 2, 1> {
2180  public:
2181   LStoreNamedField(LOperand* object, LOperand* value, LOperand* temp) {
2182     inputs_[0] = object;
2183     inputs_[1] = value;
2184     temps_[0] = temp;
2185   }
2186
2187   LOperand* object() { return inputs_[0]; }
2188   LOperand* value() { return inputs_[1]; }
2189   LOperand* temp() { return temps_[0]; }
2190
2191   DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
2192   DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
2193
2194   void PrintDataTo(StringStream* stream) override;
2195
2196   Representation representation() const {
2197     return hydrogen()->field_representation();
2198   }
2199 };
2200
2201
2202 class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> {
2203  public:
2204   LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value,
2205                      LOperand* slot, LOperand* vector) {
2206     inputs_[0] = context;
2207     inputs_[1] = object;
2208     inputs_[2] = value;
2209     temps_[0] = slot;
2210     temps_[1] = vector;
2211   }
2212
2213   LOperand* context() { return inputs_[0]; }
2214   LOperand* object() { return inputs_[1]; }
2215   LOperand* value() { return inputs_[2]; }
2216   LOperand* temp_slot() { return temps_[0]; }
2217   LOperand* temp_vector() { return temps_[1]; }
2218
2219   DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
2220   DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
2221
2222   void PrintDataTo(StringStream* stream) override;
2223
2224   Handle<Object> name() const { return hydrogen()->name(); }
2225   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2226 };
2227
2228
2229 class LStoreGlobalViaContext final : public LTemplateInstruction<0, 2, 0> {
2230  public:
2231   LStoreGlobalViaContext(LOperand* context, LOperand* value) {
2232     inputs_[0] = context;
2233     inputs_[1] = value;
2234   }
2235
2236   LOperand* context() { return inputs_[0]; }
2237   LOperand* value() { return inputs_[1]; }
2238
2239   DECLARE_CONCRETE_INSTRUCTION(StoreGlobalViaContext,
2240                                "store-global-via-context")
2241   DECLARE_HYDROGEN_ACCESSOR(StoreGlobalViaContext)
2242
2243   void PrintDataTo(StringStream* stream) override;
2244
2245   int depth() { return hydrogen()->depth(); }
2246   int slot_index() { return hydrogen()->slot_index(); }
2247   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2248 };
2249
2250
2251 class LStoreKeyed final : public LTemplateInstruction<0, 3, 0> {
2252  public:
2253   LStoreKeyed(LOperand* object, LOperand* key, LOperand* value) {
2254     inputs_[0] = object;
2255     inputs_[1] = key;
2256     inputs_[2] = value;
2257   }
2258
2259   bool is_fixed_typed_array() const {
2260     return hydrogen()->is_fixed_typed_array();
2261   }
2262   LOperand* elements() { return inputs_[0]; }
2263   LOperand* key() { return inputs_[1]; }
2264   LOperand* value() { return inputs_[2]; }
2265   ElementsKind elements_kind() const {
2266     return hydrogen()->elements_kind();
2267   }
2268
2269   DECLARE_CONCRETE_INSTRUCTION(StoreKeyed, "store-keyed")
2270   DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
2271
2272   void PrintDataTo(StringStream* stream) override;
2273   bool NeedsCanonicalization() { return hydrogen()->NeedsCanonicalization(); }
2274   uint32_t base_offset() const { return hydrogen()->base_offset(); }
2275 };
2276
2277
2278 class LStoreKeyedGeneric final : public LTemplateInstruction<0, 4, 2> {
2279  public:
2280   LStoreKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
2281                      LOperand* value, LOperand* slot, LOperand* vector) {
2282     inputs_[0] = context;
2283     inputs_[1] = object;
2284     inputs_[2] = key;
2285     inputs_[3] = value;
2286     temps_[0] = slot;
2287     temps_[1] = vector;
2288   }
2289
2290   LOperand* context() { return inputs_[0]; }
2291   LOperand* object() { return inputs_[1]; }
2292   LOperand* key() { return inputs_[2]; }
2293   LOperand* value() { return inputs_[3]; }
2294   LOperand* temp_slot() { return temps_[0]; }
2295   LOperand* temp_vector() { return temps_[1]; }
2296
2297   DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
2298   DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
2299
2300   void PrintDataTo(StringStream* stream) override;
2301
2302   LanguageMode language_mode() { return hydrogen()->language_mode(); }
2303 };
2304
2305
2306 class LTransitionElementsKind final : public LTemplateInstruction<0, 2, 1> {
2307  public:
2308   LTransitionElementsKind(LOperand* object,
2309                           LOperand* context,
2310                           LOperand* new_map_temp) {
2311     inputs_[0] = object;
2312     inputs_[1] = context;
2313     temps_[0] = new_map_temp;
2314   }
2315
2316   LOperand* context() { return inputs_[1]; }
2317   LOperand* object() { return inputs_[0]; }
2318   LOperand* new_map_temp() { return temps_[0]; }
2319
2320   DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
2321                                "transition-elements-kind")
2322   DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)
2323
2324   void PrintDataTo(StringStream* stream) override;
2325
2326   Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
2327   Handle<Map> transitioned_map() {
2328     return hydrogen()->transitioned_map().handle();
2329   }
2330   ElementsKind from_kind() { return hydrogen()->from_kind(); }
2331   ElementsKind to_kind() { return hydrogen()->to_kind(); }
2332 };
2333
2334
2335 class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 1> {
2336  public:
2337   LTrapAllocationMemento(LOperand* object,
2338                          LOperand* temp) {
2339     inputs_[0] = object;
2340     temps_[0] = temp;
2341   }
2342
2343   LOperand* object() { return inputs_[0]; }
2344   LOperand* temp() { return temps_[0]; }
2345
2346   DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento,
2347                                "trap-allocation-memento")
2348 };
2349
2350
2351 class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
2352  public:
2353   LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
2354                      LOperand* key, LOperand* current_capacity) {
2355     inputs_[0] = context;
2356     inputs_[1] = object;
2357     inputs_[2] = elements;
2358     inputs_[3] = key;
2359     inputs_[4] = current_capacity;
2360   }
2361
2362   LOperand* context() { return inputs_[0]; }
2363   LOperand* object() { return inputs_[1]; }
2364   LOperand* elements() { return inputs_[2]; }
2365   LOperand* key() { return inputs_[3]; }
2366   LOperand* current_capacity() { return inputs_[4]; }
2367
2368   DECLARE_HYDROGEN_ACCESSOR(MaybeGrowElements)
2369   DECLARE_CONCRETE_INSTRUCTION(MaybeGrowElements, "maybe-grow-elements")
2370 };
2371
2372
2373 class LStringAdd final : public LTemplateInstruction<1, 3, 0> {
2374  public:
2375   LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
2376     inputs_[0] = context;
2377     inputs_[1] = left;
2378     inputs_[2] = right;
2379   }
2380
2381   LOperand* context() { return inputs_[0]; }
2382   LOperand* left() { return inputs_[1]; }
2383   LOperand* right() { return inputs_[2]; }
2384
2385   DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
2386   DECLARE_HYDROGEN_ACCESSOR(StringAdd)
2387 };
2388
2389
2390 class LStringCharCodeAt final : public LTemplateInstruction<1, 3, 0> {
2391  public:
2392   LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) {
2393     inputs_[0] = context;
2394     inputs_[1] = string;
2395     inputs_[2] = index;
2396   }
2397
2398   LOperand* context() { return inputs_[0]; }
2399   LOperand* string() { return inputs_[1]; }
2400   LOperand* index() { return inputs_[2]; }
2401
2402   DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
2403   DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
2404 };
2405
2406
2407 class LStringCharFromCode final : public LTemplateInstruction<1, 2, 0> {
2408  public:
2409   explicit LStringCharFromCode(LOperand* context, LOperand* char_code) {
2410     inputs_[0] = context;
2411     inputs_[1] = char_code;
2412   }
2413
2414   LOperand* context() { return inputs_[0]; }
2415   LOperand* char_code() { return inputs_[1]; }
2416
2417   DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
2418   DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
2419 };
2420
2421
2422 class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
2423  public:
2424   explicit LCheckValue(LOperand* value) {
2425     inputs_[0] = value;
2426   }
2427
2428   LOperand* value() { return inputs_[0]; }
2429
2430   DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
2431   DECLARE_HYDROGEN_ACCESSOR(CheckValue)
2432 };
2433
2434
2435 class LCheckArrayBufferNotNeutered final
2436     : public LTemplateInstruction<0, 1, 0> {
2437  public:
2438   explicit LCheckArrayBufferNotNeutered(LOperand* view) { inputs_[0] = view; }
2439
2440   LOperand* view() { return inputs_[0]; }
2441
2442   DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
2443                                "check-array-buffer-not-neutered")
2444   DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
2445 };
2446
2447
2448 class LCheckInstanceType final : public LTemplateInstruction<0, 1, 0> {
2449  public:
2450   explicit LCheckInstanceType(LOperand* value) {
2451     inputs_[0] = value;
2452   }
2453
2454   LOperand* value() { return inputs_[0]; }
2455
2456   DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
2457   DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
2458 };
2459
2460
2461 class LCheckMaps final : public LTemplateInstruction<0, 1, 0> {
2462  public:
2463   explicit LCheckMaps(LOperand* value = NULL) {
2464     inputs_[0] = value;
2465   }
2466
2467   LOperand* value() { return inputs_[0]; }
2468
2469   DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
2470   DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
2471 };
2472
2473
2474 class LCheckSmi final : public LTemplateInstruction<1, 1, 0> {
2475  public:
2476   explicit LCheckSmi(LOperand* value) {
2477     inputs_[0] = value;
2478   }
2479
2480   LOperand* value() { return inputs_[0]; }
2481
2482   DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
2483 };
2484
2485
2486 class LCheckNonSmi final : public LTemplateInstruction<0, 1, 0> {
2487  public:
2488   explicit LCheckNonSmi(LOperand* value) {
2489     inputs_[0] = value;
2490   }
2491
2492   LOperand* value() { return inputs_[0]; }
2493
2494   DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
2495   DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
2496 };
2497
2498
2499 class LClampDToUint8 final : public LTemplateInstruction<1, 1, 1> {
2500  public:
2501   LClampDToUint8(LOperand* unclamped, LOperand* temp) {
2502     inputs_[0] = unclamped;
2503     temps_[0] = temp;
2504   }
2505
2506   LOperand* unclamped() { return inputs_[0]; }
2507   LOperand* temp() { return temps_[0]; }
2508
2509   DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
2510 };
2511
2512
2513 class LClampIToUint8 final : public LTemplateInstruction<1, 1, 0> {
2514  public:
2515   explicit LClampIToUint8(LOperand* unclamped) {
2516     inputs_[0] = unclamped;
2517   }
2518
2519   LOperand* unclamped() { return inputs_[0]; }
2520
2521   DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
2522 };
2523
2524
2525 class LClampTToUint8 final : public LTemplateInstruction<1, 1, 1> {
2526  public:
2527   LClampTToUint8(LOperand* unclamped, LOperand* temp) {
2528     inputs_[0] = unclamped;
2529     temps_[0] = temp;
2530   }
2531
2532   LOperand* unclamped() { return inputs_[0]; }
2533   LOperand* temp() { return temps_[0]; }
2534
2535   DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
2536 };
2537
2538
2539 class LDoubleBits final : public LTemplateInstruction<1, 1, 0> {
2540  public:
2541   explicit LDoubleBits(LOperand* value) {
2542     inputs_[0] = value;
2543   }
2544
2545   LOperand* value() { return inputs_[0]; }
2546
2547   DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
2548   DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
2549 };
2550
2551
2552 class LConstructDouble final : public LTemplateInstruction<1, 2, 0> {
2553  public:
2554   LConstructDouble(LOperand* hi, LOperand* lo) {
2555     inputs_[0] = hi;
2556     inputs_[1] = lo;
2557   }
2558
2559   LOperand* hi() { return inputs_[0]; }
2560   LOperand* lo() { return inputs_[1]; }
2561
2562   DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
2563 };
2564
2565
2566 class LAllocate final : public LTemplateInstruction<1, 2, 2> {
2567  public:
2568   LAllocate(LOperand* context,
2569             LOperand* size,
2570             LOperand* temp1,
2571             LOperand* temp2) {
2572     inputs_[0] = context;
2573     inputs_[1] = size;
2574     temps_[0] = temp1;
2575     temps_[1] = temp2;
2576   }
2577
2578   LOperand* context() { return inputs_[0]; }
2579   LOperand* size() { return inputs_[1]; }
2580   LOperand* temp1() { return temps_[0]; }
2581   LOperand* temp2() { return temps_[1]; }
2582
2583   DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
2584   DECLARE_HYDROGEN_ACCESSOR(Allocate)
2585 };
2586
2587
2588 class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
2589  public:
2590   explicit LRegExpLiteral(LOperand* context) {
2591     inputs_[0] = context;
2592   }
2593
2594   LOperand* context() { return inputs_[0]; }
2595
2596   DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
2597   DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
2598 };
2599
2600
2601 class LFunctionLiteral final : public LTemplateInstruction<1, 1, 0> {
2602  public:
2603   explicit LFunctionLiteral(LOperand* context) {
2604     inputs_[0] = context;
2605   }
2606
2607   LOperand* context() { return inputs_[0]; }
2608
2609   DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
2610   DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
2611 };
2612
2613
2614 class LToFastProperties final : public LTemplateInstruction<1, 1, 0> {
2615  public:
2616   explicit LToFastProperties(LOperand* value) {
2617     inputs_[0] = value;
2618   }
2619
2620   LOperand* value() { return inputs_[0]; }
2621
2622   DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
2623   DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
2624 };
2625
2626
2627 class LTypeof final : public LTemplateInstruction<1, 2, 0> {
2628  public:
2629   LTypeof(LOperand* context, LOperand* value) {
2630     inputs_[0] = context;
2631     inputs_[1] = value;
2632   }
2633
2634   LOperand* context() { return inputs_[0]; }
2635   LOperand* value() { return inputs_[1]; }
2636
2637   DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
2638 };
2639
2640
2641 class LTypeofIsAndBranch final : public LControlInstruction<1, 0> {
2642  public:
2643   explicit LTypeofIsAndBranch(LOperand* value) {
2644     inputs_[0] = value;
2645   }
2646
2647   LOperand* value() { return inputs_[0]; }
2648
2649   DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
2650   DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)
2651
2652   Handle<String> type_literal() { return hydrogen()->type_literal(); }
2653
2654   void PrintDataTo(StringStream* stream) override;
2655 };
2656
2657
2658 class LIsConstructCallAndBranch final : public LControlInstruction<0, 1> {
2659  public:
2660   explicit LIsConstructCallAndBranch(LOperand* temp) {
2661     temps_[0] = temp;
2662   }
2663
2664   LOperand* temp() { return temps_[0]; }
2665
2666   DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
2667                                "is-construct-call-and-branch")
2668 };
2669
2670
2671 class LOsrEntry final : public LTemplateInstruction<0, 0, 0> {
2672  public:
2673   LOsrEntry() {}
2674
2675   bool HasInterestingComment(LCodeGen* gen) const override { return false; }
2676   DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
2677 };
2678
2679
2680 class LStackCheck final : public LTemplateInstruction<0, 1, 0> {
2681  public:
2682   explicit LStackCheck(LOperand* context) {
2683     inputs_[0] = context;
2684   }
2685
2686   LOperand* context() { return inputs_[0]; }
2687
2688   DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
2689   DECLARE_HYDROGEN_ACCESSOR(StackCheck)
2690
2691   Label* done_label() { return &done_label_; }
2692
2693  private:
2694   Label done_label_;
2695 };
2696
2697
2698 class LForInPrepareMap final : public LTemplateInstruction<1, 2, 0> {
2699  public:
2700   LForInPrepareMap(LOperand* context, LOperand* object) {
2701     inputs_[0] = context;
2702     inputs_[1] = object;
2703   }
2704
2705   LOperand* context() { return inputs_[0]; }
2706   LOperand* object() { return inputs_[1]; }
2707
2708   DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map")
2709 };
2710
2711
2712 class LForInCacheArray final : public LTemplateInstruction<1, 1, 0> {
2713  public:
2714   explicit LForInCacheArray(LOperand* map) {
2715     inputs_[0] = map;
2716   }
2717
2718   LOperand* map() { return inputs_[0]; }
2719
2720   DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array")
2721
2722   int idx() {
2723     return HForInCacheArray::cast(this->hydrogen_value())->idx();
2724   }
2725 };
2726
2727
2728 class LCheckMapValue final : public LTemplateInstruction<0, 2, 0> {
2729  public:
2730   LCheckMapValue(LOperand* value, LOperand* map) {
2731     inputs_[0] = value;
2732     inputs_[1] = map;
2733   }
2734
2735   LOperand* value() { return inputs_[0]; }
2736   LOperand* map() { return inputs_[1]; }
2737
2738   DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value")
2739 };
2740
2741
2742 class LLoadFieldByIndex final : public LTemplateInstruction<1, 2, 0> {
2743  public:
2744   LLoadFieldByIndex(LOperand* object, LOperand* index) {
2745     inputs_[0] = object;
2746     inputs_[1] = index;
2747   }
2748
2749   LOperand* object() { return inputs_[0]; }
2750   LOperand* index() { return inputs_[1]; }
2751
2752   DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index")
2753 };
2754
2755
2756 class LStoreFrameContext: public LTemplateInstruction<0, 1, 0> {
2757  public:
2758   explicit LStoreFrameContext(LOperand* context) {
2759     inputs_[0] = context;
2760   }
2761
2762   LOperand* context() { return inputs_[0]; }
2763
2764   DECLARE_CONCRETE_INSTRUCTION(StoreFrameContext, "store-frame-context")
2765 };
2766
2767
2768 class LAllocateBlockContext: public LTemplateInstruction<1, 2, 0> {
2769  public:
2770   LAllocateBlockContext(LOperand* context, LOperand* function) {
2771     inputs_[0] = context;
2772     inputs_[1] = function;
2773   }
2774
2775   LOperand* context() { return inputs_[0]; }
2776   LOperand* function() { return inputs_[1]; }
2777
2778   Handle<ScopeInfo> scope_info() { return hydrogen()->scope_info(); }
2779
2780   DECLARE_CONCRETE_INSTRUCTION(AllocateBlockContext, "allocate-block-context")
2781   DECLARE_HYDROGEN_ACCESSOR(AllocateBlockContext)
2782 };
2783
2784
2785 class LChunkBuilder;
2786 class LPlatformChunk final : public LChunk {
2787  public:
2788   LPlatformChunk(CompilationInfo* info, HGraph* graph)
2789       : LChunk(info, graph) { }
2790
2791   int GetNextSpillIndex(RegisterKind kind);
2792   LOperand* GetNextSpillSlot(RegisterKind kind);
2793 };
2794
2795
2796 class LChunkBuilder final : public LChunkBuilderBase {
2797  public:
2798   LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2799       : LChunkBuilderBase(info, graph),
2800         current_instruction_(NULL),
2801         current_block_(NULL),
2802         next_block_(NULL),
2803         allocator_(allocator) {}
2804
2805   // Build the sequence for the graph.
2806   LPlatformChunk* Build();
2807
2808   // Declare methods that deal with the individual node types.
2809 #define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
2810   HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
2811 #undef DECLARE_DO
2812
2813   LInstruction* DoMultiplyAdd(HMul* mul, HValue* addend);
2814
2815   static bool HasMagicNumberForDivisor(int32_t divisor);
2816
2817   LInstruction* DoMathFloor(HUnaryMathOperation* instr);
2818   LInstruction* DoMathRound(HUnaryMathOperation* instr);
2819   LInstruction* DoMathFround(HUnaryMathOperation* instr);
2820   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
2821   LInstruction* DoMathLog(HUnaryMathOperation* instr);
2822   LInstruction* DoMathExp(HUnaryMathOperation* instr);
2823   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
2824   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);
2825   LInstruction* DoMathClz32(HUnaryMathOperation* instr);
2826   LInstruction* DoDivByPowerOf2I(HDiv* instr);
2827   LInstruction* DoDivByConstI(HDiv* instr);
2828   LInstruction* DoDivI(HDiv* instr);
2829   LInstruction* DoModByPowerOf2I(HMod* instr);
2830   LInstruction* DoModByConstI(HMod* instr);
2831   LInstruction* DoModI(HMod* instr);
2832   LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
2833   LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
2834   LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
2835
2836  private:
2837   // Methods for getting operands for Use / Define / Temp.
2838   LUnallocated* ToUnallocated(Register reg);
2839   LUnallocated* ToUnallocated(DoubleRegister reg);
2840
2841   // Methods for setting up define-use relationships.
2842   MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
2843   MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
2844   MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
2845                                            DoubleRegister fixed_register);
2846
2847   // A value that is guaranteed to be allocated to a register.
2848   // Operand created by UseRegister is guaranteed to be live until the end of
2849   // instruction. This means that register allocator will not reuse it's
2850   // register for any other operand inside instruction.
2851   // Operand created by UseRegisterAtStart is guaranteed to be live only at
2852   // instruction start. Register allocator is free to assign the same register
2853   // to some other operand used inside instruction (i.e. temporary or
2854   // output).
2855   MUST_USE_RESULT LOperand* UseRegister(HValue* value);
2856   MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);
2857
2858   // An input operand in a register that may be trashed.
2859   MUST_USE_RESULT LOperand* UseTempRegister(HValue* value);
2860
2861   // An input operand in a register or stack slot.
2862   MUST_USE_RESULT LOperand* Use(HValue* value);
2863   MUST_USE_RESULT LOperand* UseAtStart(HValue* value);
2864
2865   // An input operand in a register, stack slot or a constant operand.
2866   MUST_USE_RESULT LOperand* UseOrConstant(HValue* value);
2867   MUST_USE_RESULT LOperand* UseOrConstantAtStart(HValue* value);
2868
2869   // An input operand in a register or a constant operand.
2870   MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
2871   MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);
2872
2873   // An input operand in a constant operand.
2874   MUST_USE_RESULT LOperand* UseConstant(HValue* value);
2875
2876   // An input operand in register, stack slot or a constant operand.
2877   // Will not be moved to a register even if one is freely available.
2878   MUST_USE_RESULT LOperand* UseAny(HValue* value) override;
2879
2880   // Temporary operand that must be in a register.
2881   MUST_USE_RESULT LUnallocated* TempRegister();
2882   MUST_USE_RESULT LUnallocated* TempDoubleRegister();
2883   MUST_USE_RESULT LOperand* FixedTemp(Register reg);
2884   MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister reg);
2885
2886   // Methods for setting up define-use relationships.
2887   // Return the same instruction that they are passed.
2888   LInstruction* Define(LTemplateResultInstruction<1>* instr,
2889                        LUnallocated* result);
2890   LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr);
2891   LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr,
2892                                 int index);
2893   LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr);
2894   LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr,
2895                             Register reg);
2896   LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr,
2897                                   DoubleRegister reg);
2898   LInstruction* AssignEnvironment(LInstruction* instr);
2899   LInstruction* AssignPointerMap(LInstruction* instr);
2900
2901   enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };
2902
2903   // By default we assume that instruction sequences generated for calls
2904   // cannot deoptimize eagerly and we do not attach environment to this
2905   // instruction.
2906   LInstruction* MarkAsCall(
2907       LInstruction* instr,
2908       HInstruction* hinstr,
2909       CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);
2910
2911   void VisitInstruction(HInstruction* current);
2912   void AddInstruction(LInstruction* instr, HInstruction* current);
2913
2914   void DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block);
2915   LInstruction* DoBit(Token::Value op, HBitwiseBinaryOperation* instr);
2916   LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
2917   LInstruction* DoArithmeticD(Token::Value op,
2918                               HArithmeticBinaryOperation* instr);
2919   LInstruction* DoArithmeticT(Token::Value op,
2920                               HBinaryOperation* instr);
2921
2922   HInstruction* current_instruction_;
2923   HBasicBlock* current_block_;
2924   HBasicBlock* next_block_;
2925   LAllocator* allocator_;
2926
2927   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
2928 };
2929
2930 #undef DECLARE_HYDROGEN_ACCESSOR
2931 #undef DECLARE_CONCRETE_INSTRUCTION
2932
2933 } }  // namespace v8::internal
2934
2935 #endif  // V8_MIPS_LITHIUM_MIPS_H_