lithium-arm64.h 85.3 KB
Newer Older
1
// Copyright 2013 the V8 project authors. All rights reserved.
2 3
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
4

5 6
#ifndef V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
#define V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
7

8 9 10
#include "src/crankshaft/hydrogen.h"
#include "src/crankshaft/lithium.h"
#include "src/crankshaft/lithium-allocator.h"
11 12
#include "src/safepoint-table.h"
#include "src/utils.h"
13 14 15 16 17 18 19

namespace v8 {
namespace internal {

// Forward declarations.
class LCodeGen;

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
#define LITHIUM_CONCRETE_INSTRUCTION_LIST(V) \
  V(AccessArgumentsAt)                       \
  V(AddE)                                    \
  V(AddI)                                    \
  V(AddS)                                    \
  V(Allocate)                                \
  V(ApplyArguments)                          \
  V(ArgumentsElements)                       \
  V(ArgumentsLength)                         \
  V(ArithmeticD)                             \
  V(ArithmeticT)                             \
  V(BitI)                                    \
  V(BitS)                                    \
  V(BoundsCheck)                             \
  V(Branch)                                  \
  V(CallNewArray)                            \
  V(CallRuntime)                             \
  V(CallWithDescriptor)                      \
38
  V(CheckArrayBufferNotNeutered)             \
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72
  V(CheckInstanceType)                       \
  V(CheckMapValue)                           \
  V(CheckMaps)                               \
  V(CheckNonSmi)                             \
  V(CheckSmi)                                \
  V(CheckValue)                              \
  V(ClampDToUint8)                           \
  V(ClampIToUint8)                           \
  V(ClampTToUint8)                           \
  V(ClassOfTestAndBranch)                    \
  V(CmpHoleAndBranchD)                       \
  V(CmpHoleAndBranchT)                       \
  V(CmpMapAndBranch)                         \
  V(CmpObjectEqAndBranch)                    \
  V(CmpT)                                    \
  V(CompareNumericAndBranch)                 \
  V(ConstantD)                               \
  V(ConstantE)                               \
  V(ConstantI)                               \
  V(ConstantS)                               \
  V(ConstantT)                               \
  V(ConstructDouble)                         \
  V(Context)                                 \
  V(DebugBreak)                              \
  V(DeclareGlobals)                          \
  V(Deoptimize)                              \
  V(DivByConstI)                             \
  V(DivByPowerOf2I)                          \
  V(DivI)                                    \
  V(DoubleBits)                              \
  V(DoubleToIntOrSmi)                        \
  V(Drop)                                    \
  V(Dummy)                                   \
  V(DummyUse)                                \
73
  V(FastAllocate)                            \
74 75 76 77 78 79 80 81
  V(FlooringDivByConstI)                     \
  V(FlooringDivByPowerOf2I)                  \
  V(FlooringDivI)                            \
  V(ForInCacheArray)                         \
  V(ForInPrepareMap)                         \
  V(GetCachedArrayIndex)                     \
  V(Goto)                                    \
  V(HasCachedArrayIndexAndBranch)            \
82
  V(HasInPrototypeChainAndBranch)            \
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116
  V(HasInstanceTypeAndBranch)                \
  V(InnerAllocatedObject)                    \
  V(InstructionGap)                          \
  V(Integer32ToDouble)                       \
  V(InvokeFunction)                          \
  V(IsSmiAndBranch)                          \
  V(IsStringAndBranch)                       \
  V(IsUndetectableAndBranch)                 \
  V(Label)                                   \
  V(LazyBailout)                             \
  V(LoadContextSlot)                         \
  V(LoadFieldByIndex)                        \
  V(LoadFunctionPrototype)                   \
  V(LoadGlobalGeneric)                       \
  V(LoadKeyedExternal)                       \
  V(LoadKeyedFixed)                          \
  V(LoadKeyedFixedDouble)                    \
  V(LoadKeyedGeneric)                        \
  V(LoadNamedField)                          \
  V(LoadNamedGeneric)                        \
  V(LoadRoot)                                \
  V(MathAbs)                                 \
  V(MathAbsTagged)                           \
  V(MathClz32)                               \
  V(MathExp)                                 \
  V(MathFloorD)                              \
  V(MathFloorI)                              \
  V(MathFround)                              \
  V(MathLog)                                 \
  V(MathMinMax)                              \
  V(MathPowHalf)                             \
  V(MathRoundD)                              \
  V(MathRoundI)                              \
  V(MathSqrt)                                \
117
  V(MaybeGrowElements)                       \
118 119 120 121 122 123 124 125 126 127 128 129
  V(ModByConstI)                             \
  V(ModByPowerOf2I)                          \
  V(ModI)                                    \
  V(MulConstIS)                              \
  V(MulI)                                    \
  V(MulS)                                    \
  V(NumberTagD)                              \
  V(NumberTagU)                              \
  V(NumberUntagD)                            \
  V(OsrEntry)                                \
  V(Parameter)                               \
  V(Power)                                   \
130
  V(Prologue)                                \
131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163
  V(PreparePushArguments)                    \
  V(PushArguments)                           \
  V(Return)                                  \
  V(SeqStringGetChar)                        \
  V(SeqStringSetChar)                        \
  V(ShiftI)                                  \
  V(ShiftS)                                  \
  V(SmiTag)                                  \
  V(SmiUntag)                                \
  V(StackCheck)                              \
  V(StoreCodeEntry)                          \
  V(StoreContextSlot)                        \
  V(StoreKeyedExternal)                      \
  V(StoreKeyedFixed)                         \
  V(StoreKeyedFixedDouble)                   \
  V(StoreKeyedGeneric)                       \
  V(StoreNamedField)                         \
  V(StoreNamedGeneric)                       \
  V(StringAdd)                               \
  V(StringCharCodeAt)                        \
  V(StringCharFromCode)                      \
  V(StringCompareAndBranch)                  \
  V(SubI)                                    \
  V(SubS)                                    \
  V(TaggedToI)                               \
  V(ThisFunction)                            \
  V(TransitionElementsKind)                  \
  V(TrapAllocationMemento)                   \
  V(TruncateDoubleToIntOrSmi)                \
  V(Typeof)                                  \
  V(TypeofIsAndBranch)                       \
  V(Uint32ToDouble)                          \
  V(UnknownOSRValue)                         \
164 165
  V(WrapReceiver)

166
#define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)            \
167 168 169
  Opcode opcode() const final { return LInstruction::k##type; } \
  void CompileToNative(LCodeGen* generator) final;              \
  const char* Mnemonic() const final { return mnemonic; }       \
170 171 172
  static L##type* cast(LInstruction* instr) {                   \
    DCHECK(instr->Is##type());                                  \
    return reinterpret_cast<L##type*>(instr);                   \
173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218
  }


#define DECLARE_HYDROGEN_ACCESSOR(type)           \
  H##type* hydrogen() const {                     \
    return H##type::cast(this->hydrogen_value()); \
  }


class LInstruction : public ZoneObject {
 public:
  LInstruction()
      : environment_(NULL),
        hydrogen_value_(NULL),
        bit_field_(IsCallBits::encode(false)) { }

  virtual ~LInstruction() { }

  virtual void CompileToNative(LCodeGen* generator) = 0;
  virtual const char* Mnemonic() const = 0;
  virtual void PrintTo(StringStream* stream);
  virtual void PrintDataTo(StringStream* stream);
  virtual void PrintOutputOperandTo(StringStream* stream);

  enum Opcode {
    // Declare a unique enum value for each instruction.
#define DECLARE_OPCODE(type) k##type,
    LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_OPCODE)
    kNumberOfInstructions
#undef DECLARE_OPCODE
  };

  virtual Opcode opcode() const = 0;

  // Declare non-virtual type testers for all leaf IR classes.
#define DECLARE_PREDICATE(type) \
  bool Is##type() const { return opcode() == k##type; }
  LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_PREDICATE)
#undef DECLARE_PREDICATE

  // Declare virtual predicates for instructions that don't have
  // an opcode.
  virtual bool IsGap() const { return false; }

  virtual bool IsControl() const { return false; }

219 220 221
  // Try deleting this instruction if possible.
  virtual bool TryDelete() { return false; }

222 223 224 225 226 227 228 229 230 231 232 233 234 235
  void set_environment(LEnvironment* env) { environment_ = env; }
  LEnvironment* environment() const { return environment_; }
  bool HasEnvironment() const { return environment_ != NULL; }

  void set_pointer_map(LPointerMap* p) { pointer_map_.set(p); }
  LPointerMap* pointer_map() const { return pointer_map_.get(); }
  bool HasPointerMap() const { return pointer_map_.is_set(); }

  void set_hydrogen_value(HValue* value) { hydrogen_value_ = value; }
  HValue* hydrogen_value() const { return hydrogen_value_; }

  void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
  bool IsCall() const { return IsCallBits::decode(bit_field_); }

236 237 238 239 240 241 242
  void MarkAsSyntacticTailCall() {
    bit_field_ = IsSyntacticTailCallBits::update(bit_field_, true);
  }
  bool IsSyntacticTailCall() const {
    return IsSyntacticTailCallBits::decode(bit_field_);
  }

243 244 245
  // Interface to the register allocator and iterators.
  bool ClobbersTemps() const { return IsCall(); }
  bool ClobbersRegisters() const { return IsCall(); }
246
  virtual bool ClobbersDoubleRegisters(Isolate* isolate) const {
247 248
    return IsCall();
  }
249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269
  bool IsMarkedAsCall() const { return IsCall(); }

  virtual bool HasResult() const = 0;
  virtual LOperand* result() const = 0;

  virtual int InputCount() = 0;
  virtual LOperand* InputAt(int i) = 0;
  virtual int TempCount() = 0;
  virtual LOperand* TempAt(int i) = 0;

  LOperand* FirstInput() { return InputAt(0); }
  LOperand* Output() { return HasResult() ? result() : NULL; }

  virtual bool HasInterestingComment(LCodeGen* gen) const { return true; }

#ifdef DEBUG
  void VerifyCall();
#endif

 private:
  class IsCallBits: public BitField<bool, 0, 1> {};
270 271
  class IsSyntacticTailCallBits : public BitField<bool, IsCallBits::kNext, 1> {
  };
272 273 274 275 276 277 278 279 280 281 282 283 284 285

  LEnvironment* environment_;
  SetOncePointer<LPointerMap> pointer_map_;
  HValue* hydrogen_value_;
  int32_t bit_field_;
};


// R = number of result operands (0 or 1).
template<int R>
class LTemplateResultInstruction : public LInstruction {
 public:
  // Allow 0 or 1 output operands.
  STATIC_ASSERT(R == 0 || R == 1);
286
  bool HasResult() const final { return (R != 0) && (result() != NULL); }
287
  void set_result(LOperand* operand) { results_[0] = operand; }
288
  LOperand* result() const override { return results_[0]; }
289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305

 protected:
  EmbeddedContainer<LOperand*, R> results_;
};


// R = number of result operands (0 or 1).
// I = number of input operands.
// T = number of temporary operands.
template<int R, int I, int T>
class LTemplateInstruction : public LTemplateResultInstruction<R> {
 protected:
  EmbeddedContainer<LOperand*, I> inputs_;
  EmbeddedContainer<LOperand*, T> temps_;

 private:
  // Iterator support.
306 307
  int InputCount() final { return I; }
  LOperand* InputAt(int i) final { return inputs_[i]; }
308

309 310
  int TempCount() final { return T; }
  LOperand* TempAt(int i) final { return temps_[i]; }
311 312 313
};


314
class LUnknownOSRValue final : public LTemplateInstruction<1, 0, 0> {
315
 public:
316
  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
317 318 319 320 321 322 323 324 325
  DECLARE_CONCRETE_INSTRUCTION(UnknownOSRValue, "unknown-osr-value")
};


template<int I, int T>
class LControlInstruction : public LTemplateInstruction<0, I, T> {
 public:
  LControlInstruction() : false_label_(NULL), true_label_(NULL) { }

326
  bool IsControl() const final { return true; }
327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375

  int SuccessorCount() { return hydrogen()->SuccessorCount(); }
  HBasicBlock* SuccessorAt(int i) { return hydrogen()->SuccessorAt(i); }

  int TrueDestination(LChunk* chunk) {
    return chunk->LookupDestination(true_block_id());
  }

  int FalseDestination(LChunk* chunk) {
    return chunk->LookupDestination(false_block_id());
  }

  Label* TrueLabel(LChunk* chunk) {
    if (true_label_ == NULL) {
      true_label_ = chunk->GetAssemblyLabel(TrueDestination(chunk));
    }
    return true_label_;
  }

  Label* FalseLabel(LChunk* chunk) {
    if (false_label_ == NULL) {
      false_label_ = chunk->GetAssemblyLabel(FalseDestination(chunk));
    }
    return false_label_;
  }

 protected:
  int true_block_id() { return SuccessorAt(0)->block_id(); }
  int false_block_id() { return SuccessorAt(1)->block_id(); }

 private:
  DECLARE_HYDROGEN_ACCESSOR(ControlInstruction);

  Label* false_label_;
  Label* true_label_;
};


class LGap : public LTemplateInstruction<0, 0, 0> {
 public:
  explicit LGap(HBasicBlock* block)
      : block_(block) {
    parallel_moves_[BEFORE] = NULL;
    parallel_moves_[START] = NULL;
    parallel_moves_[END] = NULL;
    parallel_moves_[AFTER] = NULL;
  }

  // Can't use the DECLARE-macro here because of sub-classes.
376 377
  bool IsGap() const override { return true; }
  void PrintDataTo(StringStream* stream) override;
378
  static LGap* cast(LInstruction* instr) {
379
    DCHECK(instr->IsGap());
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412
    return reinterpret_cast<LGap*>(instr);
  }

  bool IsRedundant() const;

  HBasicBlock* block() const { return block_; }

  enum InnerPosition {
    BEFORE,
    START,
    END,
    AFTER,
    FIRST_INNER_POSITION = BEFORE,
    LAST_INNER_POSITION = AFTER
  };

  LParallelMove* GetOrCreateParallelMove(InnerPosition pos, Zone* zone)  {
    if (parallel_moves_[pos] == NULL) {
      parallel_moves_[pos] = new(zone) LParallelMove(zone);
    }
    return parallel_moves_[pos];
  }

  LParallelMove* GetParallelMove(InnerPosition pos)  {
    return parallel_moves_[pos];
  }

 private:
  LParallelMove* parallel_moves_[LAST_INNER_POSITION + 1];
  HBasicBlock* block_;
};


413
class LInstructionGap final : public LGap {
414 415 416
 public:
  explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }

417
  bool HasInterestingComment(LCodeGen* gen) const override {
418 419 420 421 422 423 424
    return !IsRedundant();
  }

  DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
};


425
class LDrop final : public LTemplateInstruction<0, 0, 0> {
426 427 428 429 430 431 432 433 434 435 436 437
 public:
  explicit LDrop(int count) : count_(count) { }

  int count() const { return count_; }

  DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")

 private:
  int count_;
};


438
class LDummy final : public LTemplateInstruction<1, 0, 0> {
439
 public:
440
  LDummy() {}
441 442 443 444
  DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
};


445
class LDummyUse final : public LTemplateInstruction<1, 1, 0> {
446 447 448 449 450 451 452 453
 public:
  explicit LDummyUse(LOperand* value) {
    inputs_[0] = value;
  }
  DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
};


454
class LGoto final : public LTemplateInstruction<0, 0, 0> {
455 456 457
 public:
  explicit LGoto(HBasicBlock* block) : block_(block) { }

458
  bool HasInterestingComment(LCodeGen* gen) const override;
459
  DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
460 461
  void PrintDataTo(StringStream* stream) override;
  bool IsControl() const override { return true; }
462 463 464 465 466 467 468 469

  int block_id() const { return block_->block_id(); }

 private:
  HBasicBlock* block_;
};


470 471 472 473 474 475
class LPrologue final : public LTemplateInstruction<0, 0, 0> {
 public:
  DECLARE_CONCRETE_INSTRUCTION(Prologue, "prologue")
};


476
class LLazyBailout final : public LTemplateInstruction<0, 0, 0> {
477 478 479 480 481 482 483 484 485 486 487 488 489 490 491
 public:
  LLazyBailout() : gap_instructions_size_(0) { }

  DECLARE_CONCRETE_INSTRUCTION(LazyBailout, "lazy-bailout")

  void set_gap_instructions_size(int gap_instructions_size) {
    gap_instructions_size_ = gap_instructions_size;
  }
  int gap_instructions_size() { return gap_instructions_size_; }

 private:
  int gap_instructions_size_;
};


492
class LLabel final : public LGap {
493 494 495 496
 public:
  explicit LLabel(HBasicBlock* block)
      : LGap(block), replacement_(NULL) { }

497
  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
498 499
  DECLARE_CONCRETE_INSTRUCTION(Label, "label")

500
  void PrintDataTo(StringStream* stream) override;
501 502 503 504 505 506 507 508 509 510 511 512 513 514 515

  int block_id() const { return block()->block_id(); }
  bool is_loop_header() const { return block()->IsLoopHeader(); }
  bool is_osr_entry() const { return block()->is_osr_entry(); }
  Label* label() { return &label_; }
  LLabel* replacement() const { return replacement_; }
  void set_replacement(LLabel* label) { replacement_ = label; }
  bool HasReplacement() const { return replacement_ != NULL; }

 private:
  Label label_;
  LLabel* replacement_;
};


516
class LOsrEntry final : public LTemplateInstruction<0, 0, 0> {
517 518 519
 public:
  LOsrEntry() {}

520
  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
521 522 523 524
  DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
};


525
class LAccessArgumentsAt final : public LTemplateInstruction<1, 3, 0> {
526 527 528
 public:
  LAccessArgumentsAt(LOperand* arguments,
                     LOperand* length,
529
                     LOperand* index) {
530 531 532 533 534 535 536 537 538 539 540
    inputs_[0] = arguments;
    inputs_[1] = length;
    inputs_[2] = index;
  }

  DECLARE_CONCRETE_INSTRUCTION(AccessArgumentsAt, "access-arguments-at")

  LOperand* arguments() { return inputs_[0]; }
  LOperand* length() { return inputs_[1]; }
  LOperand* index() { return inputs_[2]; }

541
  void PrintDataTo(StringStream* stream) override;
542 543 544
};


545
class LAddE final : public LTemplateInstruction<1, 2, 0> {
546 547 548 549 550 551 552 553 554 555 556 557 558 559
 public:
  LAddE(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(AddE, "add-e")
  DECLARE_HYDROGEN_ACCESSOR(Add)
};


560
class LAddI final : public LTemplateInstruction<1, 2, 0> {
561
 public:
562 563 564 565 566 567 568 569
  LAddI(LOperand* left, LOperand* right)
      : shift_(NO_SHIFT), shift_amount_(0)  {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LAddI(LOperand* left, LOperand* right, Shift shift, LOperand* shift_amount)
      : shift_(shift), shift_amount_(shift_amount)  {
570 571 572 573 574 575 576
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

577 578 579
  Shift shift() const { return shift_; }
  LOperand* shift_amount() const { return shift_amount_; }

580 581
  DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
  DECLARE_HYDROGEN_ACCESSOR(Add)
582 583 584 585

 protected:
  Shift shift_;
  LOperand* shift_amount_;
586 587 588
};


589
class LAddS final : public LTemplateInstruction<1, 2, 0> {
590 591 592 593 594 595 596 597 598 599 600 601 602 603
 public:
  LAddS(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(AddS, "add-s")
  DECLARE_HYDROGEN_ACCESSOR(Add)
};


604
class LAllocate final : public LTemplateInstruction<1, 2, 3> {
605 606 607 608
 public:
  LAllocate(LOperand* context,
            LOperand* size,
            LOperand* temp1,
609 610
            LOperand* temp2,
            LOperand* temp3) {
611 612 613 614
    inputs_[0] = context;
    inputs_[1] = size;
    temps_[0] = temp1;
    temps_[1] = temp2;
615
    temps_[2] = temp3;
616 617 618 619 620 621
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* size() { return inputs_[1]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }
622
  LOperand* temp3() { return temps_[2]; }
623 624 625 626 627

  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
  DECLARE_HYDROGEN_ACCESSOR(Allocate)
};

628 629 630 631 632 633 634 635 636 637 638 639 640 641 642
class LFastAllocate final : public LTemplateInstruction<1, 1, 2> {
 public:
  LFastAllocate(LOperand* size, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = size;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* size() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(FastAllocate, "fast-allocate")
  DECLARE_HYDROGEN_ACCESSOR(Allocate)
};
643

644
class LApplyArguments final : public LTemplateInstruction<1, 4, 0> {
645 646 647 648 649 650 651 652 653 654 655 656
 public:
  LApplyArguments(LOperand* function,
                  LOperand* receiver,
                  LOperand* length,
                  LOperand* elements) {
    inputs_[0] = function;
    inputs_[1] = receiver;
    inputs_[2] = length;
    inputs_[3] = elements;
  }

  DECLARE_CONCRETE_INSTRUCTION(ApplyArguments, "apply-arguments")
657
  DECLARE_HYDROGEN_ACCESSOR(ApplyArguments)
658 659 660 661 662 663 664 665

  LOperand* function() { return inputs_[0]; }
  LOperand* receiver() { return inputs_[1]; }
  LOperand* length() { return inputs_[2]; }
  LOperand* elements() { return inputs_[3]; }
};


666
class LArgumentsElements final : public LTemplateInstruction<1, 0, 1> {
667 668 669 670 671 672 673 674 675 676 677 678
 public:
  explicit LArgumentsElements(LOperand* temp) {
    temps_[0] = temp;
  }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
  DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
};


679
class LArgumentsLength final : public LTemplateInstruction<1, 1, 0> {
680 681 682 683 684 685 686 687 688 689 690
 public:
  explicit LArgumentsLength(LOperand* elements) {
    inputs_[0] = elements;
  }

  LOperand* elements() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
};


691
class LArithmeticD final : public LTemplateInstruction<1, 2, 0> {
692 693 694 695 696 697 698 699 700 701 702 703 704
 public:
  LArithmeticD(Token::Value op,
               LOperand* left,
               LOperand* right)
      : op_(op) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  Token::Value op() const { return op_; }
  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

705 706 707
  Opcode opcode() const override { return LInstruction::kArithmeticD; }
  void CompileToNative(LCodeGen* generator) override;
  const char* Mnemonic() const override;
708 709 710 711 712 713

 private:
  Token::Value op_;
};


714
class LArithmeticT final : public LTemplateInstruction<1, 3, 0> {
715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730
 public:
  LArithmeticT(Token::Value op,
               LOperand* context,
               LOperand* left,
               LOperand* right)
      : op_(op) {
    inputs_[0] = context;
    inputs_[1] = left;
    inputs_[2] = right;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* left() { return inputs_[1]; }
  LOperand* right() { return inputs_[2]; }
  Token::Value op() const { return op_; }

731 732 733
  Opcode opcode() const override { return LInstruction::kArithmeticT; }
  void CompileToNative(LCodeGen* generator) override;
  const char* Mnemonic() const override;
734

conradw's avatar
conradw committed
735 736
  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)

737 738 739 740 741
 private:
  Token::Value op_;
};


742
class LBoundsCheck final : public LTemplateInstruction<0, 2, 0> {
743 744 745 746 747 748 749 750 751 752 753 754 755 756
 public:
  explicit LBoundsCheck(LOperand* index, LOperand* length) {
    inputs_[0] = index;
    inputs_[1] = length;
  }

  LOperand* index() { return inputs_[0]; }
  LOperand* length() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
  DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
};


757
class LBitI final : public LTemplateInstruction<1, 2, 0> {
758
 public:
759 760 761 762 763 764 765 766
  LBitI(LOperand* left, LOperand* right)
      : shift_(NO_SHIFT), shift_amount_(0)  {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LBitI(LOperand* left, LOperand* right, Shift shift, LOperand* shift_amount)
      : shift_(shift), shift_amount_(shift_amount)  {
767 768 769 770 771 772 773
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

774 775 776
  Shift shift() const { return shift_; }
  LOperand* shift_amount() const { return shift_amount_; }

777 778 779 780
  Token::Value op() const { return hydrogen()->op(); }

  DECLARE_CONCRETE_INSTRUCTION(BitI, "bit-i")
  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
781 782 783 784

 protected:
  Shift shift_;
  LOperand* shift_amount_;
785 786 787
};


788
class LBitS final : public LTemplateInstruction<1, 2, 0> {
789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804
 public:
  LBitS(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  Token::Value op() const { return hydrogen()->op(); }

  DECLARE_CONCRETE_INSTRUCTION(BitS, "bit-s")
  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
};


805
class LBranch final : public LControlInstruction<1, 2> {
806 807 808 809 810 811 812 813 814 815 816 817 818 819
 public:
  explicit LBranch(LOperand* value, LOperand *temp1, LOperand *temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(Branch, "branch")
  DECLARE_HYDROGEN_ACCESSOR(Branch)

820
  void PrintDataTo(StringStream* stream) override;
821 822 823
};


824
class LCallNewArray final : public LTemplateInstruction<1, 2, 0> {
825 826 827 828 829 830 831 832 833 834 835 836
 public:
  LCallNewArray(LOperand* context, LOperand* constructor) {
    inputs_[0] = context;
    inputs_[1] = constructor;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* constructor() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(CallNewArray, "call-new-array")
  DECLARE_HYDROGEN_ACCESSOR(CallNewArray)

837
  void PrintDataTo(StringStream* stream) override;
838 839 840 841 842

  int arity() const { return hydrogen()->argument_count() - 1; }
};


843
class LCallRuntime final : public LTemplateInstruction<1, 1, 0> {
844 845 846 847 848 849 850 851 852 853
 public:
  explicit LCallRuntime(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
  DECLARE_HYDROGEN_ACCESSOR(CallRuntime)

854
  bool ClobbersDoubleRegisters(Isolate* isolate) const override {
855 856 857 858 859 860 861 862 863
    return save_doubles() == kDontSaveFPRegs;
  }

  const Runtime::Function* function() const { return hydrogen()->function(); }
  int arity() const { return hydrogen()->argument_count(); }
  SaveFPRegsMode save_doubles() const { return hydrogen()->save_doubles(); }
};


864 865 866 867 868 869 870 871 872 873 874 875 876
class LCheckArrayBufferNotNeutered final
    : public LTemplateInstruction<0, 1, 0> {
 public:
  explicit LCheckArrayBufferNotNeutered(LOperand* view) { inputs_[0] = view; }

  LOperand* view() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckArrayBufferNotNeutered,
                               "check-array-buffer-not-neutered")
  DECLARE_HYDROGEN_ACCESSOR(CheckArrayBufferNotNeutered)
};


877
class LCheckInstanceType final : public LTemplateInstruction<0, 1, 1> {
878 879 880 881 882 883 884 885 886 887 888 889 890 891
 public:
  explicit LCheckInstanceType(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckInstanceType, "check-instance-type")
  DECLARE_HYDROGEN_ACCESSOR(CheckInstanceType)
};


892
class LCheckMaps final : public LTemplateInstruction<0, 1, 1> {
893
 public:
894
  explicit LCheckMaps(LOperand* value = NULL, LOperand* temp = NULL) {
895 896 897 898 899 900 901 902 903 904 905 906
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckMaps, "check-maps")
  DECLARE_HYDROGEN_ACCESSOR(CheckMaps)
};


907
class LCheckNonSmi final : public LTemplateInstruction<0, 1, 0> {
908 909 910 911 912 913 914 915 916 917 918 919
 public:
  explicit LCheckNonSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
  DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
};


920
class LCheckSmi final : public LTemplateInstruction<1, 1, 0> {
921 922 923 924 925 926 927 928 929 930 931
 public:
  explicit LCheckSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
};


932
class LCheckValue final : public LTemplateInstruction<0, 1, 0> {
933
 public:
934
  explicit LCheckValue(LOperand* value) {
935 936 937 938 939 940 941 942 943 944
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
  DECLARE_HYDROGEN_ACCESSOR(CheckValue)
};


945
class LClampDToUint8 final : public LTemplateInstruction<1, 1, 0> {
946 947 948 949 950 951 952 953 954 955 956
 public:
  explicit LClampDToUint8(LOperand* unclamped) {
    inputs_[0] = unclamped;
  }

  LOperand* unclamped() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
};


957
class LClampIToUint8 final : public LTemplateInstruction<1, 1, 0> {
958 959 960 961 962 963 964 965 966 967 968
 public:
  explicit LClampIToUint8(LOperand* unclamped) {
    inputs_[0] = unclamped;
  }

  LOperand* unclamped() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
};


969
class LClampTToUint8 final : public LTemplateInstruction<1, 1, 1> {
970
 public:
971
  LClampTToUint8(LOperand* unclamped, LOperand* temp1) {
972 973 974 975 976 977 978 979 980 981 982
    inputs_[0] = unclamped;
    temps_[0] = temp1;
  }

  LOperand* unclamped() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
};


983
class LDoubleBits final : public LTemplateInstruction<1, 1, 0> {
984 985 986 987 988 989 990 991 992 993 994 995
 public:
  explicit LDoubleBits(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
  DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
};


996
class LConstructDouble final : public LTemplateInstruction<1, 2, 0> {
997
 public:
998
  LConstructDouble(LOperand* hi, LOperand* lo) {
999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
    inputs_[0] = hi;
    inputs_[1] = lo;
  }

  LOperand* hi() { return inputs_[0]; }
  LOperand* lo() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
};


1010
class LClassOfTestAndBranch final : public LControlInstruction<1, 2> {
1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025
 public:
  LClassOfTestAndBranch(LOperand* value, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(ClassOfTestAndBranch,
                               "class-of-test-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(ClassOfTestAndBranch)

1026
  void PrintDataTo(StringStream* stream) override;
1027 1028 1029
};


1030
class LCmpHoleAndBranchD final : public LControlInstruction<1, 1> {
1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044
 public:
  explicit LCmpHoleAndBranchD(LOperand* object, LOperand* temp) {
    inputs_[0] = object;
    temps_[0] = temp;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranchD, "cmp-hole-and-branch-d")
  DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
};


1045
class LCmpHoleAndBranchT final : public LControlInstruction<1, 0> {
1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
 public:
  explicit LCmpHoleAndBranchT(LOperand* object) {
    inputs_[0] = object;
  }

  LOperand* object() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpHoleAndBranchT, "cmp-hole-and-branch-t")
  DECLARE_HYDROGEN_ACCESSOR(CompareHoleAndBranch)
};


1058
class LCmpMapAndBranch final : public LControlInstruction<1, 1> {
1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074
 public:
  LCmpMapAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpMapAndBranch, "cmp-map-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(CompareMap)

  Handle<Map> map() const { return hydrogen()->map().handle(); }
};


1075
class LCmpObjectEqAndBranch final : public LControlInstruction<2, 0> {
1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089
 public:
  LCmpObjectEqAndBranch(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpObjectEqAndBranch, "cmp-object-eq-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(CompareObjectEqAndBranch)
};


1090
class LCmpT final : public LTemplateInstruction<1, 3, 0> {
1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108
 public:
  LCmpT(LOperand* context, LOperand* left, LOperand* right) {
    inputs_[0] = context;
    inputs_[1] = left;
    inputs_[2] = right;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* left() { return inputs_[1]; }
  LOperand* right() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(CmpT, "cmp-t")
  DECLARE_HYDROGEN_ACCESSOR(CompareGeneric)

  Token::Value op() const { return hydrogen()->token(); }
};


1109
class LCompareNumericAndBranch final : public LControlInstruction<2, 0> {
1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
 public:
  LCompareNumericAndBranch(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(CompareNumericAndBranch,
                               "compare-numeric-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(CompareNumericAndBranch)

  Token::Value op() const { return hydrogen()->token(); }
  bool is_double() const {
    return hydrogen()->representation().IsDouble();
  }

1128
  void PrintDataTo(StringStream* stream) override;
1129 1130 1131
};


1132
class LConstantD final : public LTemplateInstruction<1, 0, 0> {
1133 1134 1135 1136 1137 1138 1139 1140
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  double value() const { return hydrogen()->DoubleValue(); }
};


1141
class LConstantE final : public LTemplateInstruction<1, 0, 0> {
1142 1143 1144 1145 1146 1147 1148 1149 1150 1151
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  ExternalReference value() const {
    return hydrogen()->ExternalReferenceValue();
  }
};


1152
class LConstantI final : public LTemplateInstruction<1, 0, 0> {
1153 1154 1155 1156 1157 1158 1159 1160
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  int32_t value() const { return hydrogen()->Integer32Value(); }
};


1161
class LConstantS final : public LTemplateInstruction<1, 0, 0> {
1162 1163 1164 1165 1166 1167 1168 1169
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
};


1170
class LConstantT final : public LTemplateInstruction<1, 0, 0> {
1171 1172 1173 1174 1175 1176 1177 1178 1179 1180
 public:
  DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
  DECLARE_HYDROGEN_ACCESSOR(Constant)

  Handle<Object> value(Isolate* isolate) const {
    return hydrogen()->handle(isolate);
  }
};


1181
class LContext final : public LTemplateInstruction<1, 0, 0> {
1182 1183 1184 1185 1186 1187
 public:
  DECLARE_CONCRETE_INSTRUCTION(Context, "context")
  DECLARE_HYDROGEN_ACCESSOR(Context)
};


1188
class LDebugBreak final : public LTemplateInstruction<0, 0, 0> {
1189 1190 1191 1192 1193
 public:
  DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
};


1194
class LDeclareGlobals final : public LTemplateInstruction<0, 1, 0> {
1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206
 public:
  explicit LDeclareGlobals(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
  DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
};


1207
class LDeoptimize final : public LTemplateInstruction<0, 0, 0> {
1208
 public:
1209
  bool IsControl() const override { return true; }
1210 1211 1212 1213 1214
  DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
  DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
};


1215
class LDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232
 public:
  LDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(DivByPowerOf2I, "div-by-power-of-2-i")
  DECLARE_HYDROGEN_ACCESSOR(Div)

 private:
  int32_t divisor_;
};


1233
class LDivByConstI final : public LTemplateInstruction<1, 1, 1> {
1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252
 public:
  LDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
    inputs_[0] = dividend;
    divisor_ = divisor;
    temps_[0] = temp;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DivByConstI, "div-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(Div)

 private:
  int32_t divisor_;
};


1253
class LDivI final : public LTemplateInstruction<1, 2, 1> {
1254
 public:
1255 1256 1257
  LDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
    inputs_[0] = dividend;
    inputs_[1] = divisor;
1258 1259 1260
    temps_[0] = temp;
  }

1261 1262
  LOperand* dividend() { return inputs_[0]; }
  LOperand* divisor() { return inputs_[1]; }
1263 1264 1265
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
1266
  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
1267 1268 1269
};


1270
class LDoubleToIntOrSmi final : public LTemplateInstruction<1, 1, 0> {
1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284
 public:
  explicit LDoubleToIntOrSmi(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(DoubleToIntOrSmi, "double-to-int-or-smi")
  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)

  bool tag_result() { return hydrogen()->representation().IsSmi(); }
};


1285
class LForInCacheArray final : public LTemplateInstruction<1, 1, 0> {
1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300
 public:
  explicit LForInCacheArray(LOperand* map) {
    inputs_[0] = map;
  }

  LOperand* map() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ForInCacheArray, "for-in-cache-array")

  int idx() {
    return HForInCacheArray::cast(this->hydrogen_value())->idx();
  }
};


1301
class LForInPrepareMap final : public LTemplateInstruction<1, 2, 0> {
1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314
 public:
  LForInPrepareMap(LOperand* context, LOperand* object) {
    inputs_[0] = context;
    inputs_[1] = object;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(ForInPrepareMap, "for-in-prepare-map")
};


1315
class LGetCachedArrayIndex final : public LTemplateInstruction<1, 1, 0> {
1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327
 public:
  explicit LGetCachedArrayIndex(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(GetCachedArrayIndex, "get-cached-array-index")
  DECLARE_HYDROGEN_ACCESSOR(GetCachedArrayIndex)
};


1328
class LHasCachedArrayIndexAndBranch final : public LControlInstruction<1, 1> {
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341
 public:
  LHasCachedArrayIndexAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(HasCachedArrayIndexAndBranch,
                               "has-cached-array-index-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(HasCachedArrayIndexAndBranch)

1342
  void PrintDataTo(StringStream* stream) override;
1343 1344 1345
};


1346
class LHasInstanceTypeAndBranch final : public LControlInstruction<1, 1> {
1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359
 public:
  LHasInstanceTypeAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(HasInstanceTypeAndBranch,
                               "has-instance-type-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(HasInstanceTypeAndBranch)

1360
  void PrintDataTo(StringStream* stream) override;
1361 1362 1363
};


1364
class LInnerAllocatedObject final : public LTemplateInstruction<1, 2, 0> {
1365 1366 1367 1368 1369 1370 1371 1372 1373
 public:
  LInnerAllocatedObject(LOperand* base_object, LOperand* offset) {
    inputs_[0] = base_object;
    inputs_[1] = offset;
  }

  LOperand* base_object() const { return inputs_[0]; }
  LOperand* offset() const { return inputs_[1]; }

1374
  void PrintDataTo(StringStream* stream) override;
1375 1376 1377 1378 1379

  DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
};


1380
class LHasInPrototypeChainAndBranch final : public LControlInstruction<2, 2> {
1381
 public:
1382
  LHasInPrototypeChainAndBranch(LOperand* object, LOperand* prototype,
1383
                                LOperand* scratch1, LOperand* scratch2) {
1384 1385
    inputs_[0] = object;
    inputs_[1] = prototype;
1386 1387
    temps_[0] = scratch1;
    temps_[1] = scratch2;
1388 1389
  }

1390 1391
  LOperand* object() const { return inputs_[0]; }
  LOperand* prototype() const { return inputs_[1]; }
1392 1393
  LOperand* scratch1() const { return temps_[0]; }
  LOperand* scratch2() const { return temps_[1]; }
1394

1395 1396 1397
  DECLARE_CONCRETE_INSTRUCTION(HasInPrototypeChainAndBranch,
                               "has-in-prototype-chain-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(HasInPrototypeChainAndBranch)
1398 1399 1400
};


1401
class LInteger32ToDouble final : public LTemplateInstruction<1, 1, 0> {
1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412
 public:
  explicit LInteger32ToDouble(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
};


1413
class LCallWithDescriptor final : public LTemplateResultInstruction<1> {
1414
 public:
1415
  LCallWithDescriptor(CallInterfaceDescriptor descriptor,
1416 1417
                      const ZoneList<LOperand*>& operands, Zone* zone)
      : descriptor_(descriptor),
1418 1419 1420 1421 1422 1423
        inputs_(descriptor.GetRegisterParameterCount() +
                    kImplicitRegisterParameterCount,
                zone) {
    DCHECK(descriptor.GetRegisterParameterCount() +
               kImplicitRegisterParameterCount ==
           operands.length());
1424 1425 1426 1427 1428
    inputs_.AddAll(operands, zone);
  }

  LOperand* target() const { return inputs_[0]; }

1429
  CallInterfaceDescriptor descriptor() { return descriptor_; }
1430

1431 1432
  DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)

1433 1434 1435 1436
  // The target and context are passed as implicit parameters that are not
  // explicitly listed in the descriptor.
  static const int kImplicitRegisterParameterCount = 2;

1437 1438 1439
 private:
  DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")

1440
  void PrintDataTo(StringStream* stream) override;
1441 1442 1443

  int arity() const { return hydrogen()->argument_count() - 1; }

1444
  CallInterfaceDescriptor descriptor_;
1445 1446 1447
  ZoneList<LOperand*> inputs_;

  // Iterator support.
1448 1449
  int InputCount() final { return inputs_.length(); }
  LOperand* InputAt(int i) final { return inputs_[i]; }
1450

1451 1452
  int TempCount() final { return 0; }
  LOperand* TempAt(int i) final { return NULL; }
1453 1454 1455
};


1456
class LInvokeFunction final : public LTemplateInstruction<1, 2, 0> {
1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468
 public:
  LInvokeFunction(LOperand* context, LOperand* function) {
    inputs_[0] = context;
    inputs_[1] = function;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* function() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(InvokeFunction, "invoke-function")
  DECLARE_HYDROGEN_ACCESSOR(InvokeFunction)

1469
  void PrintDataTo(StringStream* stream) override;
1470 1471 1472 1473 1474

  int arity() const { return hydrogen()->argument_count() - 1; }
};


1475
class LIsStringAndBranch final : public LControlInstruction<1, 1> {
1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487
 public:
  LIsStringAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(IsStringAndBranch, "is-string-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(IsStringAndBranch)

1488
  void PrintDataTo(StringStream* stream) override;
1489 1490 1491
};


1492
class LIsSmiAndBranch final : public LControlInstruction<1, 0> {
1493 1494 1495 1496 1497 1498 1499 1500 1501 1502
 public:
  explicit LIsSmiAndBranch(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(IsSmiAndBranch, "is-smi-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(IsSmiAndBranch)

1503
  void PrintDataTo(StringStream* stream) override;
1504 1505 1506
};


1507
class LIsUndetectableAndBranch final : public LControlInstruction<1, 1> {
1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
 public:
  explicit LIsUndetectableAndBranch(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(IsUndetectableAndBranch,
                               "is-undetectable-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(IsUndetectableAndBranch)

1521
  void PrintDataTo(StringStream* stream) override;
1522 1523 1524
};


1525
class LLoadContextSlot final : public LTemplateInstruction<1, 1, 0> {
1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537
 public:
  explicit LLoadContextSlot(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadContextSlot, "load-context-slot")
  DECLARE_HYDROGEN_ACCESSOR(LoadContextSlot)

  int slot_index() const { return hydrogen()->slot_index(); }

1538
  void PrintDataTo(StringStream* stream) override;
1539 1540 1541
};


1542
class LLoadNamedField final : public LTemplateInstruction<1, 1, 0> {
1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554
 public:
  explicit LLoadNamedField(LOperand* object) {
    inputs_[0] = object;
  }

  LOperand* object() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
  DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
};


1555
class LLoadFunctionPrototype final : public LTemplateInstruction<1, 1, 1> {
1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
 public:
  LLoadFunctionPrototype(LOperand* function, LOperand* temp) {
    inputs_[0] = function;
    temps_[0] = temp;
  }

  LOperand* function() { return inputs_[0]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadFunctionPrototype, "load-function-prototype")
  DECLARE_HYDROGEN_ACCESSOR(LoadFunctionPrototype)
};


1570
class LLoadGlobalGeneric final : public LTemplateInstruction<1, 2, 1> {
1571
 public:
1572 1573
  LLoadGlobalGeneric(LOperand* context, LOperand* global_object,
                     LOperand* vector) {
1574 1575
    inputs_[0] = context;
    inputs_[1] = global_object;
1576
    temps_[0] = vector;
1577 1578 1579 1580
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* global_object() { return inputs_[1]; }
1581
  LOperand* temp_vector() { return temps_[0]; }
1582 1583 1584 1585 1586

  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)

  Handle<Object> name() const { return hydrogen()->name(); }
1587
  TypeofMode typeof_mode() const { return hydrogen()->typeof_mode(); }
1588 1589 1590
};


1591 1592
template <int T>
class LLoadKeyed : public LTemplateInstruction<1, 3, T> {
1593
 public:
1594
  LLoadKeyed(LOperand* elements, LOperand* key, LOperand* backing_store_owner) {
1595 1596
    this->inputs_[0] = elements;
    this->inputs_[1] = key;
1597
    this->inputs_[2] = backing_store_owner;
1598 1599 1600 1601
  }

  LOperand* elements() { return this->inputs_[0]; }
  LOperand* key() { return this->inputs_[1]; }
1602
  LOperand* backing_store_owner() { return this->inputs_[2]; }
1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614
  ElementsKind elements_kind() const {
    return this->hydrogen()->elements_kind();
  }
  bool is_external() const {
    return this->hydrogen()->is_external();
  }
  bool is_fixed_typed_array() const {
    return hydrogen()->is_fixed_typed_array();
  }
  bool is_typed_elements() const {
    return is_external() || is_fixed_typed_array();
  }
1615 1616
  uint32_t base_offset() const {
    return this->hydrogen()->base_offset();
1617
  }
1618
  void PrintDataTo(StringStream* stream) override {
1619 1620 1621
    this->elements()->PrintTo(stream);
    stream->Add("[");
    this->key()->PrintTo(stream);
1622 1623
    if (this->base_offset() != 0) {
      stream->Add(" + %d]", this->base_offset());
1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634
    } else {
      stream->Add("]");
    }
  }

  DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
};


class LLoadKeyedExternal: public LLoadKeyed<1> {
 public:
1635 1636 1637
  LLoadKeyedExternal(LOperand* elements, LOperand* key,
                     LOperand* backing_store_owner, LOperand* temp)
      : LLoadKeyed<1>(elements, key, backing_store_owner) {
1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648
    temps_[0] = temp;
  }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedExternal, "load-keyed-external");
};


class LLoadKeyedFixed: public LLoadKeyed<1> {
 public:
1649 1650
  LLoadKeyedFixed(LOperand* elements, LOperand* key, LOperand* temp)
      : LLoadKeyed<1>(elements, key, nullptr) {
1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661
    temps_[0] = temp;
  }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFixed, "load-keyed-fixed");
};


class LLoadKeyedFixedDouble: public LLoadKeyed<1> {
 public:
1662 1663
  LLoadKeyedFixedDouble(LOperand* elements, LOperand* key, LOperand* temp)
      : LLoadKeyed<1>(elements, key, nullptr) {
1664 1665 1666 1667 1668 1669 1670 1671 1672
    temps_[0] = temp;
  }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFixedDouble, "load-keyed-fixed-double");
};


1673
class LLoadKeyedGeneric final : public LTemplateInstruction<1, 3, 1> {
1674
 public:
1675 1676
  LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
                    LOperand* vector) {
1677 1678 1679
    inputs_[0] = context;
    inputs_[1] = object;
    inputs_[2] = key;
1680
    temps_[0] = vector;
1681 1682 1683 1684 1685
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* key() { return inputs_[2]; }
1686
  LOperand* temp_vector() { return temps_[0]; }
1687 1688

  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
1689
  DECLARE_HYDROGEN_ACCESSOR(LoadKeyedGeneric)
1690 1691 1692
};


1693
class LLoadNamedGeneric final : public LTemplateInstruction<1, 2, 1> {
1694
 public:
1695
  LLoadNamedGeneric(LOperand* context, LOperand* object, LOperand* vector) {
1696 1697
    inputs_[0] = context;
    inputs_[1] = object;
1698
    temps_[0] = vector;
1699 1700 1701 1702
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
1703
  LOperand* temp_vector() { return temps_[0]; }
1704 1705 1706 1707 1708 1709 1710 1711

  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)

  Handle<Object> name() const { return hydrogen()->name(); }
};


1712
class LLoadRoot final : public LTemplateInstruction<1, 0, 0> {
1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730
 public:
  DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
  DECLARE_HYDROGEN_ACCESSOR(LoadRoot)

  Heap::RootListIndex index() const { return hydrogen()->index(); }
};


template<int T>
class LUnaryMathOperation : public LTemplateInstruction<1, 1, T> {
 public:
  explicit LUnaryMathOperation(LOperand* value) {
    this->inputs_[0] = value;
  }

  LOperand* value() { return this->inputs_[0]; }
  BuiltinFunctionId op() const { return this->hydrogen()->op(); }

1731
  void PrintDataTo(StringStream* stream) override;
1732 1733 1734 1735 1736

  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
};


1737
class LMathAbs final : public LUnaryMathOperation<0> {
1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765
 public:
  explicit LMathAbs(LOperand* value) : LUnaryMathOperation<0>(value) {}

  DECLARE_CONCRETE_INSTRUCTION(MathAbs, "math-abs")
};


class LMathAbsTagged: public LTemplateInstruction<1, 2, 3> {
 public:
  LMathAbsTagged(LOperand* context, LOperand* value,
                 LOperand* temp1, LOperand* temp2, LOperand* temp3) {
    inputs_[0] = context;
    inputs_[1] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
    temps_[2] = temp3;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }
  LOperand* temp3() { return temps_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(MathAbsTagged, "math-abs-tagged")
  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
};

1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785

class LMathExp final : public LUnaryMathOperation<4> {
 public:
  LMathExp(LOperand* value,
                LOperand* double_temp1,
                LOperand* temp1,
                LOperand* temp2,
                LOperand* temp3)
      : LUnaryMathOperation<4>(value) {
    temps_[0] = double_temp1;
    temps_[1] = temp1;
    temps_[2] = temp2;
    temps_[3] = temp3;
    ExternalReference::InitializeMathExpData();
  }

  LOperand* double_temp1() { return temps_[0]; }
  LOperand* temp1() { return temps_[1]; }
  LOperand* temp2() { return temps_[2]; }
  LOperand* temp3() { return temps_[3]; }
1786 1787 1788 1789 1790

  DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
};


1791
// Math.floor with a double result.
1792
class LMathFloorD final : public LUnaryMathOperation<0> {
1793
 public:
1794 1795 1796 1797 1798 1799
  explicit LMathFloorD(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathFloorD, "math-floor-d")
};


// Math.floor with an integer result.
1800
class LMathFloorI final : public LUnaryMathOperation<0> {
1801 1802 1803
 public:
  explicit LMathFloorI(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathFloorI, "math-floor-i")
1804 1805 1806
};


1807
class LFlooringDivByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
1808
 public:
1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825
  LFlooringDivByPowerOf2I(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByPowerOf2I,
                               "flooring-div-by-power-of-2-i")
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)

 private:
  int32_t divisor_;
};


1826
class LFlooringDivByConstI final : public LTemplateInstruction<1, 1, 2> {
1827
 public:
1828
  LFlooringDivByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
1829 1830
    inputs_[0] = dividend;
    divisor_ = divisor;
1831
    temps_[0] = temp;
1832 1833 1834 1835
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }
1836
  LOperand* temp() { return temps_[0]; }
1837 1838 1839 1840 1841 1842 1843 1844 1845

  DECLARE_CONCRETE_INSTRUCTION(FlooringDivByConstI, "flooring-div-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)

 private:
  int32_t divisor_;
};


1846
class LFlooringDivI final : public LTemplateInstruction<1, 2, 1> {
1847 1848 1849 1850
 public:
  LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
    inputs_[0] = dividend;
    inputs_[1] = divisor;
1851 1852 1853
    temps_[0] = temp;
  }

1854 1855
  LOperand* dividend() { return inputs_[0]; }
  LOperand* divisor() { return inputs_[1]; }
1856 1857
  LOperand* temp() { return temps_[0]; }

1858
  DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
1859 1860 1861 1862
  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
};


1863
class LMathLog final : public LUnaryMathOperation<0> {
1864 1865 1866 1867 1868 1869
 public:
  explicit LMathLog(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
};


1870
class LMathClz32 final : public LUnaryMathOperation<0> {
1871 1872 1873 1874 1875 1876
 public:
  explicit LMathClz32(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
};


1877
class LMathMinMax final : public LTemplateInstruction<1, 2, 0> {
1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891
 public:
  LMathMinMax(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(MathMinMax, "math-min-max")
  DECLARE_HYDROGEN_ACCESSOR(MathMinMax)
};


1892
class LMathPowHalf final : public LUnaryMathOperation<0> {
1893 1894 1895 1896 1897 1898
 public:
  explicit LMathPowHalf(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
};


1899
// Math.round with an integer result.
1900
class LMathRoundD final : public LUnaryMathOperation<0> {
1901 1902 1903 1904 1905 1906 1907 1908 1909 1910
 public:
  explicit LMathRoundD(LOperand* value)
      : LUnaryMathOperation<0>(value) {
  }

  DECLARE_CONCRETE_INSTRUCTION(MathRoundD, "math-round-d")
};


// Math.round with an integer result.
1911
class LMathRoundI final : public LUnaryMathOperation<1> {
1912
 public:
1913
  LMathRoundI(LOperand* value, LOperand* temp1)
1914 1915 1916 1917 1918 1919
      : LUnaryMathOperation<1>(value) {
    temps_[0] = temp1;
  }

  LOperand* temp1() { return temps_[0]; }

1920
  DECLARE_CONCRETE_INSTRUCTION(MathRoundI, "math-round-i")
1921 1922 1923
};


1924
class LMathFround final : public LUnaryMathOperation<0> {
1925 1926 1927 1928 1929 1930 1931
 public:
  explicit LMathFround(LOperand* value) : LUnaryMathOperation<0>(value) {}

  DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
};


1932
class LMathSqrt final : public LUnaryMathOperation<0> {
1933 1934 1935 1936 1937 1938
 public:
  explicit LMathSqrt(LOperand* value) : LUnaryMathOperation<0>(value) { }
  DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
};


1939
class LModByPowerOf2I final : public LTemplateInstruction<1, 1, 0> {
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956
 public:
  LModByPowerOf2I(LOperand* dividend, int32_t divisor) {
    inputs_[0] = dividend;
    divisor_ = divisor;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }

  DECLARE_CONCRETE_INSTRUCTION(ModByPowerOf2I, "mod-by-power-of-2-i")
  DECLARE_HYDROGEN_ACCESSOR(Mod)

 private:
  int32_t divisor_;
};


1957
class LModByConstI final : public LTemplateInstruction<1, 1, 1> {
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
 public:
  LModByConstI(LOperand* dividend, int32_t divisor, LOperand* temp) {
    inputs_[0] = dividend;
    divisor_ = divisor;
    temps_[0] = temp;
  }

  LOperand* dividend() { return inputs_[0]; }
  int32_t divisor() const { return divisor_; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(ModByConstI, "mod-by-const-i")
  DECLARE_HYDROGEN_ACCESSOR(Mod)

 private:
  int32_t divisor_;
};


1977
class LModI final : public LTemplateInstruction<1, 2, 0> {
1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991
 public:
  LModI(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(ModI, "mod-i")
  DECLARE_HYDROGEN_ACCESSOR(Mod)
};


1992
class LMulConstIS final : public LTemplateInstruction<1, 2, 0> {
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
 public:
  LMulConstIS(LOperand* left, LConstantOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LConstantOperand* right() { return LConstantOperand::cast(inputs_[1]); }

  DECLARE_CONCRETE_INSTRUCTION(MulConstIS, "mul-const-i-s")
  DECLARE_HYDROGEN_ACCESSOR(Mul)
};


2007
class LMulI final : public LTemplateInstruction<1, 2, 0> {
2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
 public:
  LMulI(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-i")
  DECLARE_HYDROGEN_ACCESSOR(Mul)
};


2022
class LMulS final : public LTemplateInstruction<1, 2, 0> {
2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036
 public:
  LMulS(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(MulI, "mul-s")
  DECLARE_HYDROGEN_ACCESSOR(Mul)
};


2037
class LNumberTagD final : public LTemplateInstruction<1, 1, 2> {
2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053
 public:
  LNumberTagD(LOperand* value, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(NumberTagD, "number-tag-d")
  DECLARE_HYDROGEN_ACCESSOR(Change)
};


2054
class LNumberTagU final : public LTemplateInstruction<1, 1, 2> {
2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071
 public:
  explicit LNumberTagU(LOperand* value,
                       LOperand* temp1,
                       LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(NumberTagU, "number-tag-u")
};


2072
class LNumberUntagD final : public LTemplateInstruction<1, 1, 1> {
2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
 public:
  LNumberUntagD(LOperand* value, LOperand* temp) {
    inputs_[0] = value;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(NumberUntagD, "double-untag")
  DECLARE_HYDROGEN_ACCESSOR(Change)
};


2088
class LParameter final : public LTemplateInstruction<1, 0, 0> {
2089
 public:
2090
  bool HasInterestingComment(LCodeGen* gen) const override { return false; }
2091 2092 2093 2094
  DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
};


2095
class LPower final : public LTemplateInstruction<1, 2, 0> {
2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109
 public:
  LPower(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(Power, "power")
  DECLARE_HYDROGEN_ACCESSOR(Power)
};


2110
class LPreparePushArguments final : public LTemplateInstruction<0, 0, 0> {
2111
 public:
2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122
  explicit LPreparePushArguments(int argc) : argc_(argc) {}

  inline int argc() const { return argc_; }

  DECLARE_CONCRETE_INSTRUCTION(PreparePushArguments, "prepare-push-arguments")

 protected:
  int argc_;
};


2123
class LPushArguments final : public LTemplateResultInstruction<0> {
2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140
 public:
  explicit LPushArguments(Zone* zone,
                          int capacity = kRecommendedMaxPushedArgs)
      : zone_(zone), inputs_(capacity, zone) {}

  LOperand* argument(int i) { return inputs_[i]; }
  int ArgumentCount() const { return inputs_.length(); }

  void AddArgument(LOperand* arg) { inputs_.Add(arg, zone_); }

  DECLARE_CONCRETE_INSTRUCTION(PushArguments, "push-arguments")

  // It is better to limit the number of arguments pushed simultaneously to
  // avoid pressure on the register allocator.
  static const int kRecommendedMaxPushedArgs = 4;
  bool ShouldSplitPush() const {
    return inputs_.length() >= kRecommendedMaxPushedArgs;
2141 2142
  }

2143 2144 2145
 protected:
  Zone* zone_;
  ZoneList<LOperand*> inputs_;
2146

2147 2148
 private:
  // Iterator support.
2149 2150
  int InputCount() final { return inputs_.length(); }
  LOperand* InputAt(int i) final { return inputs_[i]; }
2151

2152 2153
  int TempCount() final { return 0; }
  LOperand* TempAt(int i) final { return NULL; }
2154 2155 2156
};


2157
class LReturn final : public LTemplateInstruction<0, 3, 0> {
2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171
 public:
  LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
    inputs_[0] = value;
    inputs_[1] = context;
    inputs_[2] = parameter_count;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* parameter_count() { return inputs_[2]; }

  bool has_constant_parameter_count() {
    return parameter_count()->IsConstantOperand();
  }
  LConstantOperand* constant_parameter_count() {
2172
    DCHECK(has_constant_parameter_count());
2173 2174 2175 2176 2177 2178 2179
    return LConstantOperand::cast(parameter_count());
  }

  DECLARE_CONCRETE_INSTRUCTION(Return, "return")
};


2180
class LSeqStringGetChar final : public LTemplateInstruction<1, 2, 1> {
2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198
 public:
  LSeqStringGetChar(LOperand* string,
                    LOperand* index,
                    LOperand* temp) {
    inputs_[0] = string;
    inputs_[1] = index;
    temps_[0] = temp;
  }

  LOperand* string() { return inputs_[0]; }
  LOperand* index() { return inputs_[1]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(SeqStringGetChar, "seq-string-get-char")
  DECLARE_HYDROGEN_ACCESSOR(SeqStringGetChar)
};


2199
class LSeqStringSetChar final : public LTemplateInstruction<1, 4, 1> {
2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223
 public:
  LSeqStringSetChar(LOperand* context,
                    LOperand* string,
                    LOperand* index,
                    LOperand* value,
                    LOperand* temp) {
    inputs_[0] = context;
    inputs_[1] = string;
    inputs_[2] = index;
    inputs_[3] = value;
    temps_[0] = temp;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* string() { return inputs_[1]; }
  LOperand* index() { return inputs_[2]; }
  LOperand* value() { return inputs_[3]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(SeqStringSetChar, "seq-string-set-char")
  DECLARE_HYDROGEN_ACCESSOR(SeqStringSetChar)
};


2224
class LSmiTag final : public LTemplateInstruction<1, 1, 0> {
2225 2226 2227 2228 2229 2230 2231 2232
 public:
  explicit LSmiTag(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
2233
  DECLARE_HYDROGEN_ACCESSOR(Change)
2234 2235 2236
};


2237
class LSmiUntag final : public LTemplateInstruction<1, 1, 0> {
2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253
 public:
  LSmiUntag(LOperand* value, bool needs_check)
      : needs_check_(needs_check) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }
  bool needs_check() const { return needs_check_; }

  DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")

 private:
  bool needs_check_;
};


2254
class LStackCheck final : public LTemplateInstruction<0, 1, 0> {
2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271
 public:
  explicit LStackCheck(LOperand* context) {
    inputs_[0] = context;
  }

  LOperand* context() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StackCheck, "stack-check")
  DECLARE_HYDROGEN_ACCESSOR(StackCheck)

  Label* done_label() { return &done_label_; }

 private:
  Label done_label_;
};


2272 2273
template <int T>
class LStoreKeyed : public LTemplateInstruction<0, 4, T> {
2274
 public:
2275 2276
  LStoreKeyed(LOperand* elements, LOperand* key, LOperand* value,
              LOperand* backing_store_owner) {
2277 2278 2279
    this->inputs_[0] = elements;
    this->inputs_[1] = key;
    this->inputs_[2] = value;
2280
    this->inputs_[3] = backing_store_owner;
2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292
  }

  bool is_external() const { return this->hydrogen()->is_external(); }
  bool is_fixed_typed_array() const {
    return hydrogen()->is_fixed_typed_array();
  }
  bool is_typed_elements() const {
    return is_external() || is_fixed_typed_array();
  }
  LOperand* elements() { return this->inputs_[0]; }
  LOperand* key() { return this->inputs_[1]; }
  LOperand* value() { return this->inputs_[2]; }
2293
  LOperand* backing_store_owner() { return this->inputs_[3]; }
2294 2295 2296 2297 2298
  ElementsKind elements_kind() const {
    return this->hydrogen()->elements_kind();
  }

  bool NeedsCanonicalization() {
2299 2300 2301 2302
    if (hydrogen()->value()->IsAdd() || hydrogen()->value()->IsSub() ||
        hydrogen()->value()->IsMul() || hydrogen()->value()->IsDiv()) {
      return false;
    }
2303 2304
    return this->hydrogen()->NeedsCanonicalization();
  }
2305
  uint32_t base_offset() const { return this->hydrogen()->base_offset(); }
2306

2307
  void PrintDataTo(StringStream* stream) override {
2308 2309 2310
    this->elements()->PrintTo(stream);
    stream->Add("[");
    this->key()->PrintTo(stream);
2311 2312
    if (this->base_offset() != 0) {
      stream->Add(" + %d] <-", this->base_offset());
2313 2314 2315 2316 2317
    } else {
      stream->Add("] <- ");
    }

    if (this->value() == NULL) {
2318
      DCHECK(hydrogen()->IsConstantHoleStore() &&
2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329
             hydrogen()->value()->representation().IsDouble());
      stream->Add("<the hole(nan)>");
    } else {
      this->value()->PrintTo(stream);
    }
  }

  DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
};


2330
class LStoreKeyedExternal final : public LStoreKeyed<1> {
2331 2332
 public:
  LStoreKeyedExternal(LOperand* elements, LOperand* key, LOperand* value,
2333 2334
                      LOperand* backing_store_owner, LOperand* temp)
      : LStoreKeyed<1>(elements, key, value, backing_store_owner) {
2335
    temps_[0] = temp;
2336
  }
2337 2338 2339 2340 2341 2342 2343

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedExternal, "store-keyed-external")
};


2344
class LStoreKeyedFixed final : public LStoreKeyed<1> {
2345 2346
 public:
  LStoreKeyedFixed(LOperand* elements, LOperand* key, LOperand* value,
2347 2348
                   LOperand* temp)
      : LStoreKeyed<1>(elements, key, value, nullptr) {
2349
    temps_[0] = temp;
2350
  }
2351 2352 2353 2354 2355 2356 2357

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFixed, "store-keyed-fixed")
};


2358
class LStoreKeyedFixedDouble final : public LStoreKeyed<1> {
2359 2360
 public:
  LStoreKeyedFixedDouble(LOperand* elements, LOperand* key, LOperand* value,
2361 2362
                         LOperand* temp)
      : LStoreKeyed<1>(elements, key, value, nullptr) {
2363
    temps_[0] = temp;
2364
  }
2365 2366 2367 2368 2369 2370 2371 2372

  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFixedDouble,
                               "store-keyed-fixed-double")
};


2373
class LStoreKeyedGeneric final : public LTemplateInstruction<0, 4, 2> {
2374
 public:
2375 2376
  LStoreKeyedGeneric(LOperand* context, LOperand* object, LOperand* key,
                     LOperand* value, LOperand* slot, LOperand* vector) {
2377
    inputs_[0] = context;
2378
    inputs_[1] = object;
2379 2380
    inputs_[2] = key;
    inputs_[3] = value;
2381 2382
    temps_[0] = slot;
    temps_[1] = vector;
2383 2384 2385 2386 2387 2388
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* key() { return inputs_[2]; }
  LOperand* value() { return inputs_[3]; }
2389 2390
  LOperand* temp_slot() { return temps_[0]; }
  LOperand* temp_vector() { return temps_[1]; }
2391 2392 2393 2394

  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)

2395
  void PrintDataTo(StringStream* stream) override;
2396

2397
  LanguageMode language_mode() { return hydrogen()->language_mode(); }
2398 2399 2400
};


2401
class LStoreNamedField final : public LTemplateInstruction<0, 2, 2> {
2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418
 public:
  LStoreNamedField(LOperand* object, LOperand* value,
                   LOperand* temp0, LOperand* temp1) {
    inputs_[0] = object;
    inputs_[1] = value;
    temps_[0] = temp0;
    temps_[1] = temp1;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }
  LOperand* temp0() { return temps_[0]; }
  LOperand* temp1() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
  DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)

2419
  void PrintDataTo(StringStream* stream) override;
2420 2421 2422 2423 2424 2425 2426

  Representation representation() const {
    return hydrogen()->field_representation();
  }
};


2427
class LStoreNamedGeneric final : public LTemplateInstruction<0, 3, 2> {
2428
 public:
2429 2430
  LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value,
                     LOperand* slot, LOperand* vector) {
2431 2432 2433
    inputs_[0] = context;
    inputs_[1] = object;
    inputs_[2] = value;
2434 2435
    temps_[0] = slot;
    temps_[1] = vector;
2436 2437 2438 2439 2440
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* value() { return inputs_[2]; }
2441 2442
  LOperand* temp_slot() { return temps_[0]; }
  LOperand* temp_vector() { return temps_[1]; }
2443 2444 2445 2446

  DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
  DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)

2447
  void PrintDataTo(StringStream* stream) override;
2448 2449

  Handle<Object> name() const { return hydrogen()->name(); }
2450
  LanguageMode language_mode() { return hydrogen()->language_mode(); }
2451 2452 2453
};


2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475
class LMaybeGrowElements final : public LTemplateInstruction<1, 5, 0> {
 public:
  LMaybeGrowElements(LOperand* context, LOperand* object, LOperand* elements,
                     LOperand* key, LOperand* current_capacity) {
    inputs_[0] = context;
    inputs_[1] = object;
    inputs_[2] = elements;
    inputs_[3] = key;
    inputs_[4] = current_capacity;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* object() { return inputs_[1]; }
  LOperand* elements() { return inputs_[2]; }
  LOperand* key() { return inputs_[3]; }
  LOperand* current_capacity() { return inputs_[4]; }

  DECLARE_HYDROGEN_ACCESSOR(MaybeGrowElements)
  DECLARE_CONCRETE_INSTRUCTION(MaybeGrowElements, "maybe-grow-elements")
};


2476
class LStringAdd final : public LTemplateInstruction<1, 3, 0> {
2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492
 public:
  LStringAdd(LOperand* context, LOperand* left, LOperand* right) {
    inputs_[0] = context;
    inputs_[1] = left;
    inputs_[2] = right;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* left() { return inputs_[1]; }
  LOperand* right() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(StringAdd, "string-add")
  DECLARE_HYDROGEN_ACCESSOR(StringAdd)
};


2493
class LStringCharCodeAt final : public LTemplateInstruction<1, 3, 0> {
2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509
 public:
  LStringCharCodeAt(LOperand* context, LOperand* string, LOperand* index) {
    inputs_[0] = context;
    inputs_[1] = string;
    inputs_[2] = index;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* string() { return inputs_[1]; }
  LOperand* index() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(StringCharCodeAt, "string-char-code-at")
  DECLARE_HYDROGEN_ACCESSOR(StringCharCodeAt)
};


2510
class LStringCharFromCode final : public LTemplateInstruction<1, 2, 0> {
2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524
 public:
  LStringCharFromCode(LOperand* context, LOperand* char_code) {
    inputs_[0] = context;
    inputs_[1] = char_code;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* char_code() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(StringCharFromCode, "string-char-from-code")
  DECLARE_HYDROGEN_ACCESSOR(StringCharFromCode)
};


2525
class LStringCompareAndBranch final : public LControlInstruction<3, 0> {
2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542
 public:
  LStringCompareAndBranch(LOperand* context, LOperand* left, LOperand* right) {
    inputs_[0] = context;
    inputs_[1] = left;
    inputs_[2] = right;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* left() { return inputs_[1]; }
  LOperand* right() { return inputs_[2]; }

  DECLARE_CONCRETE_INSTRUCTION(StringCompareAndBranch,
                               "string-compare-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(StringCompareAndBranch)

  Token::Value op() const { return hydrogen()->token(); }

2543
  void PrintDataTo(StringStream* stream) override;
2544 2545 2546 2547
};


// Truncating conversion from a tagged value to an int32.
2548
class LTaggedToI final : public LTemplateInstruction<1, 1, 2> {
2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566
 public:
  explicit LTaggedToI(LOperand* value, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
  DECLARE_HYDROGEN_ACCESSOR(Change)

  bool truncating() { return hydrogen()->CanTruncateToInt32(); }
};


2567
class LShiftI final : public LTemplateInstruction<1, 2, 0> {
2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587
 public:
  LShiftI(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
      : op_(op), can_deopt_(can_deopt) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  Token::Value op() const { return op_; }
  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }
  bool can_deopt() const { return can_deopt_; }

  DECLARE_CONCRETE_INSTRUCTION(ShiftI, "shift-i")

 private:
  Token::Value op_;
  bool can_deopt_;
};


2588
class LShiftS final : public LTemplateInstruction<1, 2, 0> {
2589
 public:
2590 2591
  LShiftS(Token::Value op, LOperand* left, LOperand* right, bool can_deopt)
      : op_(op), can_deopt_(can_deopt) {
2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608
    inputs_[0] = left;
    inputs_[1] = right;
  }

  Token::Value op() const { return op_; }
  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }
  bool can_deopt() const { return can_deopt_; }

  DECLARE_CONCRETE_INSTRUCTION(ShiftS, "shift-s")

 private:
  Token::Value op_;
  bool can_deopt_;
};


2609
class LStoreCodeEntry final : public LTemplateInstruction<0, 2, 1> {
2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621
 public:
  LStoreCodeEntry(LOperand* function, LOperand* code_object,
                  LOperand* temp) {
    inputs_[0] = function;
    inputs_[1] = code_object;
    temps_[0] = temp;
  }

  LOperand* function() { return inputs_[0]; }
  LOperand* code_object() { return inputs_[1]; }
  LOperand* temp() { return temps_[0]; }

2622
  void PrintDataTo(StringStream* stream) override;
2623 2624 2625 2626 2627 2628

  DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
  DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
};


2629
class LStoreContextSlot final : public LTemplateInstruction<0, 2, 1> {
2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645
 public:
  LStoreContextSlot(LOperand* context, LOperand* value, LOperand* temp) {
    inputs_[0] = context;
    inputs_[1] = value;
    temps_[0] = temp;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(StoreContextSlot, "store-context-slot")
  DECLARE_HYDROGEN_ACCESSOR(StoreContextSlot)

  int slot_index() { return hydrogen()->slot_index(); }

2646
  void PrintDataTo(StringStream* stream) override;
2647 2648 2649
};


2650
class LSubI final : public LTemplateInstruction<1, 2, 0> {
2651
 public:
2652 2653 2654 2655 2656 2657 2658 2659
  LSubI(LOperand* left, LOperand* right)
      : shift_(NO_SHIFT), shift_amount_(0)  {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LSubI(LOperand* left, LOperand* right, Shift shift, LOperand* shift_amount)
      : shift_(shift), shift_amount_(shift_amount)  {
2660 2661 2662 2663 2664 2665 2666
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

2667 2668 2669
  Shift shift() const { return shift_; }
  LOperand* shift_amount() const { return shift_amount_; }

2670 2671
  DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
  DECLARE_HYDROGEN_ACCESSOR(Sub)
2672 2673 2674 2675

 protected:
  Shift shift_;
  LOperand* shift_amount_;
2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693
};


class LSubS: public LTemplateInstruction<1, 2, 0> {
 public:
  LSubS(LOperand* left, LOperand* right) {
    inputs_[0] = left;
    inputs_[1] = right;
  }

  LOperand* left() { return inputs_[0]; }
  LOperand* right() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(SubS, "sub-s")
  DECLARE_HYDROGEN_ACCESSOR(Sub)
};


2694
class LThisFunction final : public LTemplateInstruction<1, 0, 0> {
2695 2696 2697 2698 2699 2700
 public:
  DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
};


2701
class LTransitionElementsKind final : public LTemplateInstruction<0, 2, 2> {
2702 2703 2704 2705
 public:
  LTransitionElementsKind(LOperand* object,
                          LOperand* context,
                          LOperand* temp1,
2706
                          LOperand* temp2) {
2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721
    inputs_[0] = object;
    inputs_[1] = context;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* context() { return inputs_[1]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(TransitionElementsKind,
                               "transition-elements-kind")
  DECLARE_HYDROGEN_ACCESSOR(TransitionElementsKind)

2722
  void PrintDataTo(StringStream* stream) override;
2723 2724 2725 2726 2727 2728 2729 2730 2731 2732

  Handle<Map> original_map() { return hydrogen()->original_map().handle(); }
  Handle<Map> transitioned_map() {
    return hydrogen()->transitioned_map().handle();
  }
  ElementsKind from_kind() const { return hydrogen()->from_kind(); }
  ElementsKind to_kind() const { return hydrogen()->to_kind(); }
};


2733
class LTrapAllocationMemento final : public LTemplateInstruction<0, 1, 2> {
2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748
 public:
  LTrapAllocationMemento(LOperand* object, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = object;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(TrapAllocationMemento, "trap-allocation-memento")
};


2749
class LTruncateDoubleToIntOrSmi final : public LTemplateInstruction<1, 1, 0> {
2750
 public:
2751
  explicit LTruncateDoubleToIntOrSmi(LOperand* value) {
2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(TruncateDoubleToIntOrSmi,
                               "truncate-double-to-int-or-smi")
  DECLARE_HYDROGEN_ACCESSOR(UnaryOperation)

  bool tag_result() { return hydrogen()->representation().IsSmi(); }
};


2765
class LTypeof final : public LTemplateInstruction<1, 2, 0> {
2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778
 public:
  LTypeof(LOperand* context, LOperand* value) {
    inputs_[0] = context;
    inputs_[1] = value;
  }

  LOperand* context() { return inputs_[0]; }
  LOperand* value() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(Typeof, "typeof")
};


2779
class LTypeofIsAndBranch final : public LControlInstruction<1, 2> {
2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795
 public:
  LTypeofIsAndBranch(LOperand* value, LOperand* temp1, LOperand* temp2) {
    inputs_[0] = value;
    temps_[0] = temp1;
    temps_[1] = temp2;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* temp1() { return temps_[0]; }
  LOperand* temp2() { return temps_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(TypeofIsAndBranch, "typeof-is-and-branch")
  DECLARE_HYDROGEN_ACCESSOR(TypeofIsAndBranch)

  Handle<String> type_literal() const { return hydrogen()->type_literal(); }

2796
  void PrintDataTo(StringStream* stream) override;
2797 2798 2799
};


2800
class LUint32ToDouble final : public LTemplateInstruction<1, 1, 0> {
2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811
 public:
  explicit LUint32ToDouble(LOperand* value) {
    inputs_[0] = value;
  }

  LOperand* value() { return inputs_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
};


2812
class LCheckMapValue final : public LTemplateInstruction<0, 2, 1> {
2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827
 public:
  LCheckMapValue(LOperand* value, LOperand* map, LOperand* temp) {
    inputs_[0] = value;
    inputs_[1] = map;
    temps_[0] = temp;
  }

  LOperand* value() { return inputs_[0]; }
  LOperand* map() { return inputs_[1]; }
  LOperand* temp() { return temps_[0]; }

  DECLARE_CONCRETE_INSTRUCTION(CheckMapValue, "check-map-value")
};


2828
class LLoadFieldByIndex final : public LTemplateInstruction<1, 2, 0> {
2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841
 public:
  LLoadFieldByIndex(LOperand* object, LOperand* index) {
    inputs_[0] = object;
    inputs_[1] = index;
  }

  LOperand* object() { return inputs_[0]; }
  LOperand* index() { return inputs_[1]; }

  DECLARE_CONCRETE_INSTRUCTION(LoadFieldByIndex, "load-field-by-index")
};


2842
class LWrapReceiver final : public LTemplateInstruction<1, 2, 0> {
2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857
 public:
  LWrapReceiver(LOperand* receiver, LOperand* function) {
    inputs_[0] = receiver;
    inputs_[1] = function;
  }

  DECLARE_CONCRETE_INSTRUCTION(WrapReceiver, "wrap-receiver")
  DECLARE_HYDROGEN_ACCESSOR(WrapReceiver)

  LOperand* receiver() { return inputs_[0]; }
  LOperand* function() { return inputs_[1]; }
};


class LChunkBuilder;
2858
class LPlatformChunk final : public LChunk {
2859 2860 2861 2862 2863 2864 2865 2866 2867
 public:
  LPlatformChunk(CompilationInfo* info, HGraph* graph)
      : LChunk(info, graph) { }

  int GetNextSpillIndex();
  LOperand* GetNextSpillSlot(RegisterKind kind);
};


2868
class LChunkBuilder final : public LChunkBuilderBase {
2869 2870
 public:
  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
2871
      : LChunkBuilderBase(info, graph),
2872 2873
        current_instruction_(NULL),
        current_block_(NULL),
2874
        allocator_(allocator) {}
2875 2876 2877 2878 2879 2880 2881 2882 2883

  // Build the sequence for the graph.
  LPlatformChunk* Build();

  // Declare methods that deal with the individual node types.
#define DECLARE_DO(type) LInstruction* Do##type(H##type* node);
  HYDROGEN_CONCRETE_INSTRUCTION_LIST(DECLARE_DO)
#undef DECLARE_DO

2884
  LInstruction* DoDivByPowerOf2I(HDiv* instr);
2885
  LInstruction* DoDivByConstI(HDiv* instr);
2886 2887
  LInstruction* DoDivI(HBinaryOperation* instr);
  LInstruction* DoModByPowerOf2I(HMod* instr);
2888
  LInstruction* DoModByConstI(HMod* instr);
2889 2890
  LInstruction* DoModI(HMod* instr);
  LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
2891
  LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
2892 2893
  LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);

2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917
  static bool HasMagicNumberForDivision(int32_t divisor);

 private:
  // Methods for getting operands for Use / Define / Temp.
  LUnallocated* ToUnallocated(Register reg);
  LUnallocated* ToUnallocated(DoubleRegister reg);

  // Methods for setting up define-use relationships.
  MUST_USE_RESULT LOperand* Use(HValue* value, LUnallocated* operand);
  MUST_USE_RESULT LOperand* UseFixed(HValue* value, Register fixed_register);
  MUST_USE_RESULT LOperand* UseFixedDouble(HValue* value,
                                           DoubleRegister fixed_register);

  // A value that is guaranteed to be allocated to a register.
  // The operand created by UseRegister is guaranteed to be live until the end
  // of the instruction. This means that register allocator will not reuse its
  // register for any other operand inside instruction.
  MUST_USE_RESULT LOperand* UseRegister(HValue* value);

  // The operand created by UseRegisterAndClobber is guaranteed to be live until
  // the end of the end of the instruction, and it may also be used as a scratch
  // register by the instruction implementation.
  //
  // This behaves identically to ARM's UseTempRegister. However, it is renamed
2918 2919
  // to discourage its use in ARM64, since in most cases it is better to
  // allocate a temporary register for the Lithium instruction.
2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941
  MUST_USE_RESULT LOperand* UseRegisterAndClobber(HValue* value);

  // The operand created by UseRegisterAtStart is guaranteed to be live only at
  // instruction start. The register allocator is free to assign the same
  // register to some other operand used inside instruction (i.e. temporary or
  // output).
  MUST_USE_RESULT LOperand* UseRegisterAtStart(HValue* value);

  // An input operand in a register or a constant operand.
  MUST_USE_RESULT LOperand* UseRegisterOrConstant(HValue* value);
  MUST_USE_RESULT LOperand* UseRegisterOrConstantAtStart(HValue* value);

  // A constant operand.
  MUST_USE_RESULT LConstantOperand* UseConstant(HValue* value);

  // An input operand in register, stack slot or a constant operand.
  // Will not be moved to a register even if one is freely available.
  virtual MUST_USE_RESULT LOperand* UseAny(HValue* value);

  // Temporary operand that must be in a register.
  MUST_USE_RESULT LUnallocated* TempRegister();

2942 2943 2944
  // Temporary operand that must be in a double register.
  MUST_USE_RESULT LUnallocated* TempDoubleRegister();

2945 2946
  MUST_USE_RESULT LOperand* FixedTemp(Register reg);

2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977
  // Temporary operand that must be in a fixed double register.
  MUST_USE_RESULT LOperand* FixedTemp(DoubleRegister reg);

  // Methods for setting up define-use relationships.
  // Return the same instruction that they are passed.
  LInstruction* Define(LTemplateResultInstruction<1>* instr,
                       LUnallocated* result);
  LInstruction* DefineAsRegister(LTemplateResultInstruction<1>* instr);
  LInstruction* DefineAsSpilled(LTemplateResultInstruction<1>* instr,
                                int index);

  LInstruction* DefineSameAsFirst(LTemplateResultInstruction<1>* instr);
  LInstruction* DefineFixed(LTemplateResultInstruction<1>* instr,
                            Register reg);
  LInstruction* DefineFixedDouble(LTemplateResultInstruction<1>* instr,
                                  DoubleRegister reg);

  enum CanDeoptimize { CAN_DEOPTIMIZE_EAGERLY, CANNOT_DEOPTIMIZE_EAGERLY };

  // By default we assume that instruction sequences generated for calls
  // cannot deoptimize eagerly and we do not attach environment to this
  // instruction.
  LInstruction* MarkAsCall(
      LInstruction* instr,
      HInstruction* hinstr,
      CanDeoptimize can_deoptimize = CANNOT_DEOPTIMIZE_EAGERLY);

  LInstruction* AssignPointerMap(LInstruction* instr);
  LInstruction* AssignEnvironment(LInstruction* instr);

  void VisitInstruction(HInstruction* current);
2978
  void AddInstruction(LInstruction* instr, HInstruction* current);
2979 2980
  void DoBasicBlock(HBasicBlock* block);

2981 2982 2983 2984 2985 2986 2987
  int JSShiftAmountFromHConstant(HValue* constant) {
    return HConstant::cast(constant)->Integer32Value() & 0x1f;
  }
  bool LikelyFitsImmField(HInstruction* instr, int imm) {
    if (instr->IsAdd() || instr->IsSub()) {
      return Assembler::IsImmAddSub(imm) || Assembler::IsImmAddSub(-imm);
    } else {
2988
      DCHECK(instr->IsBitwise());
2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013
      unsigned unused_n, unused_imm_s, unused_imm_r;
      return Assembler::IsImmLogical(imm, kWRegSizeInBits,
                                     &unused_n, &unused_imm_s, &unused_imm_r);
    }
  }

  // Indicates if a sequence of the form
  //   lsl x8, x9, #imm
  //   add x0, x1, x8
  // can be replaced with:
  //   add x0, x1, x9 LSL #imm
  // If this is not possible, the function returns NULL. Otherwise it returns a
  // pointer to the shift instruction that would be optimized away.
  HBitwiseBinaryOperation* CanTransformToShiftedOp(HValue* val,
                                                   HValue** left = NULL);
  // Checks if all uses of the shift operation can optimize it away.
  bool ShiftCanBeOptimizedAway(HBitwiseBinaryOperation* shift);
  // Attempts to merge the binary operation and an eventual previous shift
  // operation into a single operation. Returns the merged instruction on
  // success, and NULL otherwise.
  LInstruction* TryDoOpWithShiftedRightOperand(HBinaryOperation* op);
  LInstruction* DoShiftedBinaryOp(HBinaryOperation* instr,
                                  HValue* left,
                                  HBitwiseBinaryOperation* shift);

3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029
  LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
  LInstruction* DoArithmeticD(Token::Value op,
                              HArithmeticBinaryOperation* instr);
  LInstruction* DoArithmeticT(Token::Value op,
                              HBinaryOperation* instr);

  HInstruction* current_instruction_;
  HBasicBlock* current_block_;
  LAllocator* allocator_;

  DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
};

#undef DECLARE_HYDROGEN_ACCESSOR
#undef DECLARE_CONCRETE_INSTRUCTION

3030 3031
}  // namespace internal
}  // namespace v8
3032

3033
#endif  // V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_