Rename A64 port to ARM64 port

src/a64/lithium-a64.h

-// Copyright 2013 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-//       copyright notice, this list of conditions and the following
-//       disclaimer in the documentation and/or other materials provided
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_A64_LITHIUM_A64_H_
-#define V8_A64_LITHIUM_A64_H_
-
-#include "hydrogen.h"
-#include "lithium-allocator.h"
-#include "lithium.h"
-#include "safepoint-table.h"
-#include "utils.h"
-
-namespace v8 {
-namespace internal {
-
-// Forward declarations.
-class LCodeGen;
-
-#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(CallFunction)                               \
-  V(CallJSFunction)                             \
-  V(CallNew)                                    \
-  V(CallNewArray)                               \
-  V(CallRuntime)                                \
-  V(CallStub)                                   \
-  V(CallWithDescriptor)                         \
-  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(CompareMinusZeroAndBranch)                  \
-  V(CompareNumericAndBranch)                    \
-  V(ConstantD)                                  \
-  V(ConstantE)                                  \
-  V(ConstantI)                                  \
-  V(ConstantS)                                  \
-  V(ConstantT)                                  \
-  V(ConstructDouble)                            \
-  V(Context)                                    \
-  V(DateField)                                  \
-  V(DebugBreak)                                 \
-  V(DeclareGlobals)                             \
-  V(Deoptimize)                                 \
-  V(DivByConstI)                                \
-  V(DivByPowerOf2I)                             \
-  V(DivI)                                       \
-  V(DoubleBits)                                 \
-  V(DoubleToIntOrSmi)                           \
-  V(Drop)                                       \
-  V(Dummy)                                      \
-  V(DummyUse)                                   \
-  V(FlooringDivByConstI)                        \
-  V(FlooringDivByPowerOf2I)                     \
-  V(FlooringDivI)                               \
-  V(ForInCacheArray)                            \
-  V(ForInPrepareMap)                            \
-  V(FunctionLiteral)                            \
-  V(GetCachedArrayIndex)                        \
-  V(Goto)                                       \
-  V(HasCachedArrayIndexAndBranch)               \
-  V(HasInstanceTypeAndBranch)                   \
-  V(InnerAllocatedObject)                       \
-  V(InstanceOf)                                 \
-  V(InstanceOfKnownGlobal)                      \
-  V(InstructionGap)                             \
-  V(Integer32ToDouble)                          \
-  V(InvokeFunction)                             \
-  V(IsConstructCallAndBranch)                   \
-  V(IsObjectAndBranch)                          \
-  V(IsSmiAndBranch)                             \
-  V(IsStringAndBranch)                          \
-  V(IsUndetectableAndBranch)                    \
-  V(Label)                                      \
-  V(LazyBailout)                                \
-  V(LoadContextSlot)                            \
-  V(LoadFieldByIndex)                           \
-  V(LoadFunctionPrototype)                      \
-  V(LoadGlobalCell)                             \
-  V(LoadGlobalGeneric)                          \
-  V(LoadKeyedExternal)                          \
-  V(LoadKeyedFixed)                             \
-  V(LoadKeyedFixedDouble)                       \
-  V(LoadKeyedGeneric)                           \
-  V(LoadNamedField)                             \
-  V(LoadNamedGeneric)                           \
-  V(LoadRoot)                                   \
-  V(MapEnumLength)                              \
-  V(MathAbs)                                    \
-  V(MathAbsTagged)                              \
-  V(MathClz32)                                  \
-  V(MathExp)                                    \
-  V(MathFloor)                                  \
-  V(MathLog)                                    \
-  V(MathMinMax)                                 \
-  V(MathPowHalf)                                \
-  V(MathRound)                                  \
-  V(MathSqrt)                                   \
-  V(ModByConstI)                                \
-  V(ModByPowerOf2I)                             \
-  V(ModI)                                       \
-  V(MulConstIS)                                 \
-  V(MulI)                                       \
-  V(MulS)                                       \
-  V(NumberTagD)                                 \
-  V(NumberTagU)                                 \
-  V(NumberUntagD)                               \
-  V(OsrEntry)                                   \
-  V(Parameter)                                  \
-  V(Power)                                      \
-  V(PushArgument)                               \
-  V(RegExpLiteral)                              \
-  V(Return)                                     \
-  V(SeqStringGetChar)                           \
-  V(SeqStringSetChar)                           \
-  V(ShiftI)                                     \
-  V(ShiftS)                                     \
-  V(SmiTag)                                     \
-  V(SmiUntag)                                   \
-  V(StackCheck)                                 \
-  V(StoreCodeEntry)                             \
-  V(StoreContextSlot)                           \
-  V(StoreGlobalCell)                            \
-  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(ToFastProperties)                           \
-  V(TransitionElementsKind)                     \
-  V(TrapAllocationMemento)                      \
-  V(TruncateDoubleToIntOrSmi)                   \
-  V(Typeof)                                     \
-  V(TypeofIsAndBranch)                          \
-  V(Uint32ToDouble)                             \
-  V(UnknownOSRValue)                            \
-  V(WrapReceiver)
-
-
-#define DECLARE_CONCRETE_INSTRUCTION(type, mnemonic)                        \
-  virtual Opcode opcode() const V8_FINAL V8_OVERRIDE {                      \
-    return LInstruction::k##type;                                           \
-  }                                                                         \
-  virtual void CompileToNative(LCodeGen* generator) V8_FINAL V8_OVERRIDE;   \
-  virtual const char* Mnemonic() const V8_FINAL V8_OVERRIDE {               \
-    return mnemonic;                                                        \
-  }                                                                         \
-  static L##type* cast(LInstruction* instr) {                               \
-    ASSERT(instr->Is##type());                                              \
-    return reinterpret_cast<L##type*>(instr);                               \
-  }
-
-
-#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; }
-
-  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_; }
-
-  virtual void SetDeferredLazyDeoptimizationEnvironment(LEnvironment* env) { }
-
-  void MarkAsCall() { bit_field_ = IsCallBits::update(bit_field_, true); }
-  bool IsCall() const { return IsCallBits::decode(bit_field_); }
-
-  // Interface to the register allocator and iterators.
-  bool ClobbersTemps() const { return IsCall(); }
-  bool ClobbersRegisters() const { return IsCall(); }
-  virtual bool ClobbersDoubleRegisters() const { return IsCall(); }
-  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> {};
-
-  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);
-  virtual bool HasResult() const V8_FINAL V8_OVERRIDE {
-    return (R != 0) && (result() != NULL);
-  }
-  void set_result(LOperand* operand) { results_[0] = operand; }
-  LOperand* result() const { return results_[0]; }
-
- 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.
-  virtual int InputCount() V8_FINAL V8_OVERRIDE { return I; }
-  virtual LOperand* InputAt(int i) V8_FINAL V8_OVERRIDE { return inputs_[i]; }
-
-  virtual int TempCount() V8_FINAL V8_OVERRIDE { return T; }
-  virtual LOperand* TempAt(int i) V8_FINAL V8_OVERRIDE { return temps_[i]; }
-};
-
-
-class LUnknownOSRValue V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE {
-    return false;
-  }
-  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) { }
-
-  virtual bool IsControl() const V8_FINAL V8_OVERRIDE { return true; }
-
-  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.
-  virtual bool IsGap() const V8_OVERRIDE { return true; }
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-  static LGap* cast(LInstruction* instr) {
-    ASSERT(instr->IsGap());
-    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_;
-};
-
-
-class LInstructionGap V8_FINAL : public LGap {
- public:
-  explicit LInstructionGap(HBasicBlock* block) : LGap(block) { }
-
-  virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE {
-    return !IsRedundant();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(InstructionGap, "gap")
-};
-
-
-class LDrop V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- public:
-  explicit LDrop(int count) : count_(count) { }
-
-  int count() const { return count_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Drop, "drop")
-
- private:
-  int count_;
-};
-
-
-class LDummy V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  explicit LDummy() { }
-  DECLARE_CONCRETE_INSTRUCTION(Dummy, "dummy")
-};
-
-
-class LDummyUse V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LDummyUse(LOperand* value) {
-    inputs_[0] = value;
-  }
-  DECLARE_CONCRETE_INSTRUCTION(DummyUse, "dummy-use")
-};
-
-
-class LGoto V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- public:
-  explicit LGoto(HBasicBlock* block) : block_(block) { }
-
-  virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE;
-  DECLARE_CONCRETE_INSTRUCTION(Goto, "goto")
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-  virtual bool IsControl() const V8_OVERRIDE { return true; }
-
-  int block_id() const { return block_->block_id(); }
-
- private:
-  HBasicBlock* block_;
-};
-
-
-class LLazyBailout V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- 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_;
-};
-
-
-class LLabel V8_FINAL : public LGap {
- public:
-  explicit LLabel(HBasicBlock* block)
-      : LGap(block), replacement_(NULL) { }
-
-  virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE {
-    return false;
-  }
-  DECLARE_CONCRETE_INSTRUCTION(Label, "label")
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  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_;
-};
-
-
-class LOsrEntry V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- public:
-  LOsrEntry() {}
-
-  virtual bool HasInterestingComment(LCodeGen* gen) const V8_OVERRIDE {
-    return false;
-  }
-  DECLARE_CONCRETE_INSTRUCTION(OsrEntry, "osr-entry")
-};
-
-
-class LAccessArgumentsAt V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- public:
-  LAccessArgumentsAt(LOperand* arguments,
-                     LOperand* length,
-                     LOperand* index) {
-    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]; }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LAddE V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LAddI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LAddI(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(AddI, "add-i")
-  DECLARE_HYDROGEN_ACCESSOR(Add)
-};
-
-
-class LAddS V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LAllocate V8_FINAL : public LTemplateInstruction<1, 2, 3> {
- public:
-  LAllocate(LOperand* context,
-            LOperand* size,
-            LOperand* temp1,
-            LOperand* temp2,
-            LOperand* temp3) {
-    inputs_[0] = context;
-    inputs_[1] = size;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-    temps_[2] = temp3;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* size() { return inputs_[1]; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-  LOperand* temp3() { return temps_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Allocate, "allocate")
-  DECLARE_HYDROGEN_ACCESSOR(Allocate)
-};
-
-
-class LApplyArguments V8_FINAL : public LTemplateInstruction<1, 4, 0> {
- 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")
-
-  LOperand* function() { return inputs_[0]; }
-  LOperand* receiver() { return inputs_[1]; }
-  LOperand* length() { return inputs_[2]; }
-  LOperand* elements() { return inputs_[3]; }
-};
-
-
-class LArgumentsElements V8_FINAL : public LTemplateInstruction<1, 0, 1> {
- public:
-  explicit LArgumentsElements(LOperand* temp) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ArgumentsElements, "arguments-elements")
-  DECLARE_HYDROGEN_ACCESSOR(ArgumentsElements)
-};
-
-
-class LArgumentsLength V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LArgumentsLength(LOperand* elements) {
-    inputs_[0] = elements;
-  }
-
-  LOperand* elements() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ArgumentsLength, "arguments-length")
-};
-
-
-class LArithmeticD V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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]; }
-
-  virtual Opcode opcode() const V8_OVERRIDE {
-    return LInstruction::kArithmeticD;
-  }
-  virtual void CompileToNative(LCodeGen* generator) V8_OVERRIDE;
-  virtual const char* Mnemonic() const V8_OVERRIDE;
-
- private:
-  Token::Value op_;
-};
-
-
-class LArithmeticT V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- 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_; }
-
-  virtual Opcode opcode() const V8_OVERRIDE {
-    return LInstruction::kArithmeticT;
-  }
-  virtual void CompileToNative(LCodeGen* generator) V8_OVERRIDE;
-  virtual const char* Mnemonic() const V8_OVERRIDE;
-
- private:
-  Token::Value op_;
-};
-
-
-class LBoundsCheck V8_FINAL : public LTemplateInstruction<0, 2, 0> {
- 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)
-};
-
-
-class LBitI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LBitI(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(BitI, "bit-i")
-  DECLARE_HYDROGEN_ACCESSOR(Bitwise)
-};
-
-
-class LBitS V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LBranch V8_FINAL : public LControlInstruction<1, 2> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LCallJSFunction V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallJSFunction(LOperand* function) {
-    inputs_[0] = function;
-  }
-
-  LOperand* function() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallJSFunction, "call-js-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallJSFunction)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallFunction V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LCallFunction(LOperand* context, LOperand* function) {
-    inputs_[0] = context;
-    inputs_[1] = function;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* function() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallFunction, "call-function")
-  DECLARE_HYDROGEN_ACCESSOR(CallFunction)
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallNew V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LCallNew(LOperand* context, LOperand* constructor) {
-    inputs_[0] = context;
-    inputs_[1] = constructor;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* constructor() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallNew, "call-new")
-  DECLARE_HYDROGEN_ACCESSOR(CallNew)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallNewArray V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LCallRuntime V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallRuntime(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallRuntime, "call-runtime")
-  DECLARE_HYDROGEN_ACCESSOR(CallRuntime)
-
-  virtual bool ClobbersDoubleRegisters() const V8_OVERRIDE {
-    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(); }
-};
-
-
-class LCallStub V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCallStub(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CallStub, "call-stub")
-  DECLARE_HYDROGEN_ACCESSOR(CallStub)
-};
-
-
-class LCheckInstanceType V8_FINAL : public LTemplateInstruction<0, 1, 1> {
- 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)
-};
-
-
-class LCheckMaps V8_FINAL : public LTemplateInstruction<0, 1, 1> {
- public:
-  explicit LCheckMaps(LOperand* value, LOperand* temp = NULL) {
-    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)
-};
-
-
-class LCheckNonSmi V8_FINAL : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LCheckNonSmi(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckNonSmi, "check-non-smi")
-  DECLARE_HYDROGEN_ACCESSOR(CheckHeapObject)
-};
-
-
-class LCheckSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LCheckSmi(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckSmi, "check-smi")
-};
-
-
-class LCheckValue V8_FINAL : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LCheckValue(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CheckValue, "check-value")
-  DECLARE_HYDROGEN_ACCESSOR(CheckValue)
-};
-
-
-class LClampDToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LClampDToUint8(LOperand* unclamped) {
-    inputs_[0] = unclamped;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampDToUint8, "clamp-d-to-uint8")
-};
-
-
-class LClampIToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LClampIToUint8(LOperand* unclamped) {
-    inputs_[0] = unclamped;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampIToUint8, "clamp-i-to-uint8")
-};
-
-
-class LClampTToUint8 V8_FINAL : public LTemplateInstruction<1, 1, 2> {
- public:
-  LClampTToUint8(LOperand* unclamped, LOperand* temp1, LOperand* temp2) {
-    inputs_[0] = unclamped;
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-  }
-
-  LOperand* unclamped() { return inputs_[0]; }
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ClampTToUint8, "clamp-t-to-uint8")
-};
-
-
-class LDoubleBits V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LDoubleBits(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DoubleBits, "double-bits")
-  DECLARE_HYDROGEN_ACCESSOR(DoubleBits)
-};
-
-
-class LConstructDouble V8_FINAL : public LTemplateInstruction<1, 2, 1> {
- public:
-  LConstructDouble(LOperand* hi, LOperand* lo, LOperand* temp) {
-    inputs_[0] = hi;
-    inputs_[1] = lo;
-    temps_[0] = temp;
-  }
-
-  LOperand* hi() { return inputs_[0]; }
-  LOperand* lo() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ConstructDouble, "construct-double")
-};
-
-
-class LClassOfTestAndBranch V8_FINAL : public LControlInstruction<1, 2> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LCmpHoleAndBranchD V8_FINAL : public LControlInstruction<1, 1> {
- 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)
-};
-
-
-class LCmpHoleAndBranchT V8_FINAL : public LControlInstruction<1, 0> {
- 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)
-};
-
-
-class LCmpMapAndBranch V8_FINAL : public LControlInstruction<1, 1> {
- 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(); }
-};
-
-
-class LCmpObjectEqAndBranch V8_FINAL : public LControlInstruction<2, 0> {
- 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)
-};
-
-
-class LCmpT V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- 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(); }
-};
-
-
-class LCompareMinusZeroAndBranch V8_FINAL : public LControlInstruction<1, 1> {
- public:
-  LCompareMinusZeroAndBranch(LOperand* value, LOperand* temp) {
-    inputs_[0] = value;
-    temps_[0] = temp;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(CompareMinusZeroAndBranch,
-                               "cmp-minus-zero-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(CompareMinusZeroAndBranch)
-};
-
-
-class LCompareNumericAndBranch V8_FINAL : public LControlInstruction<2, 0> {
- 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();
-  }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LConstantD V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantD, "constant-d")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  double value() const { return hydrogen()->DoubleValue(); }
-};
-
-
-class LConstantE V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantE, "constant-e")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  ExternalReference value() const {
-    return hydrogen()->ExternalReferenceValue();
-  }
-};
-
-
-class LConstantI V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantI, "constant-i")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  int32_t value() const { return hydrogen()->Integer32Value(); }
-};
-
-
-class LConstantS V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantS, "constant-s")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  Smi* value() const { return Smi::FromInt(hydrogen()->Integer32Value()); }
-};
-
-
-class LConstantT V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ConstantT, "constant-t")
-  DECLARE_HYDROGEN_ACCESSOR(Constant)
-
-  Handle<Object> value(Isolate* isolate) const {
-    return hydrogen()->handle(isolate);
-  }
-};
-
-
-class LContext V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(Context, "context")
-  DECLARE_HYDROGEN_ACCESSOR(Context)
-};
-
-
-class LDateField V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  LDateField(LOperand* date, Smi* index) : index_(index) {
-    inputs_[0] = date;
-  }
-
-  LOperand* date() { return inputs_[0]; }
-  Smi* index() const { return index_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DateField, "date-field")
-  DECLARE_HYDROGEN_ACCESSOR(DateField)
-
- private:
-  Smi* index_;
-};
-
-
-class LDebugBreak V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(DebugBreak, "break")
-};
-
-
-class LDeclareGlobals V8_FINAL : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LDeclareGlobals(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DeclareGlobals, "declare-globals")
-  DECLARE_HYDROGEN_ACCESSOR(DeclareGlobals)
-};
-
-
-class LDeoptimize V8_FINAL : public LTemplateInstruction<0, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(Deoptimize, "deoptimize")
-  DECLARE_HYDROGEN_ACCESSOR(Deoptimize)
-};
-
-
-class LDivByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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_;
-};
-
-
-class LDivByConstI V8_FINAL : public LTemplateInstruction<1, 1, 1> {
- 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_;
-};
-
-
-class LDivI V8_FINAL : public LTemplateInstruction<1, 2, 1> {
- public:
-  LDivI(LOperand* left, LOperand* right, LOperand* temp) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-    temps_[0] = temp;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(DivI, "div-i")
-  DECLARE_HYDROGEN_ACCESSOR(BinaryOperation)
-};
-
-
-class LDoubleToIntOrSmi V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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(); }
-};
-
-
-class LForInCacheArray V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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();
-  }
-};
-
-
-class LForInPrepareMap V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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")
-};
-
-
-class LGetCachedArrayIndex V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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)
-};
-
-
-class LHasCachedArrayIndexAndBranch V8_FINAL
-    : public LControlInstruction<1, 1> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LHasInstanceTypeAndBranch V8_FINAL : public LControlInstruction<1, 1> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LInnerAllocatedObject V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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]; }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  DECLARE_CONCRETE_INSTRUCTION(InnerAllocatedObject, "inner-allocated-object")
-};
-
-
-class LInstanceOf V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- public:
-  LInstanceOf(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(InstanceOf, "instance-of")
-};
-
-
-class LInstanceOfKnownGlobal V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LInstanceOfKnownGlobal(LOperand* context, LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* value() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(InstanceOfKnownGlobal,
-                               "instance-of-known-global")
-  DECLARE_HYDROGEN_ACCESSOR(InstanceOfKnownGlobal)
-
-  Handle<JSFunction> function() const { return hydrogen()->function(); }
-  LEnvironment* GetDeferredLazyDeoptimizationEnvironment() {
-    return lazy_deopt_env_;
-  }
-  virtual void SetDeferredLazyDeoptimizationEnvironment(
-      LEnvironment* env) V8_OVERRIDE {
-    lazy_deopt_env_ = env;
-  }
-
- private:
-  LEnvironment* lazy_deopt_env_;
-};
-
-
-class LInteger32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LInteger32ToDouble(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Integer32ToDouble, "int32-to-double")
-};
-
-
-class LCallWithDescriptor V8_FINAL : public LTemplateResultInstruction<1> {
- public:
-  LCallWithDescriptor(const CallInterfaceDescriptor* descriptor,
-                      ZoneList<LOperand*>& operands,
-                      Zone* zone)
-    : descriptor_(descriptor),
-      inputs_(descriptor->environment_length() + 1, zone) {
-    ASSERT(descriptor->environment_length() + 1 == operands.length());
-    inputs_.AddAll(operands, zone);
-  }
-
-  LOperand* target() const { return inputs_[0]; }
-
-  const CallInterfaceDescriptor* descriptor() { return descriptor_; }
-
- private:
-  DECLARE_CONCRETE_INSTRUCTION(CallWithDescriptor, "call-with-descriptor")
-  DECLARE_HYDROGEN_ACCESSOR(CallWithDescriptor)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-
-  const CallInterfaceDescriptor* descriptor_;
-  ZoneList<LOperand*> inputs_;
-
-  // Iterator support.
-  virtual int InputCount() V8_FINAL V8_OVERRIDE { return inputs_.length(); }
-  virtual LOperand* InputAt(int i) V8_FINAL V8_OVERRIDE { return inputs_[i]; }
-
-  virtual int TempCount() V8_FINAL V8_OVERRIDE { return 0; }
-  virtual LOperand* TempAt(int i) V8_FINAL V8_OVERRIDE { return NULL; }
-};
-
-
-class LInvokeFunction V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  int arity() const { return hydrogen()->argument_count() - 1; }
-};
-
-
-class LIsConstructCallAndBranch V8_FINAL : public LControlInstruction<0, 2> {
- public:
-  LIsConstructCallAndBranch(LOperand* temp1, LOperand* temp2) {
-    temps_[0] = temp1;
-    temps_[1] = temp2;
-  }
-
-  LOperand* temp1() { return temps_[0]; }
-  LOperand* temp2() { return temps_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(IsConstructCallAndBranch,
-                               "is-construct-call-and-branch")
-};
-
-
-class LIsObjectAndBranch V8_FINAL : public LControlInstruction<1, 2> {
- public:
-  LIsObjectAndBranch(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(IsObjectAndBranch, "is-object-and-branch")
-  DECLARE_HYDROGEN_ACCESSOR(IsObjectAndBranch)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LIsStringAndBranch V8_FINAL : public LControlInstruction<1, 1> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LIsSmiAndBranch V8_FINAL : public LControlInstruction<1, 0> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LIsUndetectableAndBranch V8_FINAL : public LControlInstruction<1, 1> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LLoadContextSlot V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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(); }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LLoadNamedField V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LLoadNamedField(LOperand* object) {
-    inputs_[0] = object;
-  }
-
-  LOperand* object() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedField, "load-named-field")
-  DECLARE_HYDROGEN_ACCESSOR(LoadNamedField)
-};
-
-
-class LFunctionLiteral V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LFunctionLiteral(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FunctionLiteral, "function-literal")
-  DECLARE_HYDROGEN_ACCESSOR(FunctionLiteral)
-};
-
-
-class LLoadFunctionPrototype V8_FINAL : public LTemplateInstruction<1, 1, 1> {
- 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)
-};
-
-
-class LLoadGlobalCell V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalCell, "load-global-cell")
-  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalCell)
-};
-
-
-class LLoadGlobalGeneric V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LLoadGlobalGeneric(LOperand* context, LOperand* global_object) {
-    inputs_[0] = context;
-    inputs_[1] = global_object;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* global_object() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadGlobalGeneric, "load-global-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadGlobalGeneric)
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-  bool for_typeof() const { return hydrogen()->for_typeof(); }
-};
-
-
-template<int T>
-class LLoadKeyed : public LTemplateInstruction<1, 2, T> {
- public:
-  LLoadKeyed(LOperand* elements, LOperand* key) {
-    this->inputs_[0] = elements;
-    this->inputs_[1] = key;
-  }
-
-  LOperand* elements() { return this->inputs_[0]; }
-  LOperand* key() { return this->inputs_[1]; }
-  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();
-  }
-  uint32_t additional_index() const {
-    return this->hydrogen()->index_offset();
-  }
-  void PrintDataTo(StringStream* stream) V8_OVERRIDE {
-    this->elements()->PrintTo(stream);
-    stream->Add("[");
-    this->key()->PrintTo(stream);
-    if (this->hydrogen()->IsDehoisted()) {
-      stream->Add(" + %d]", this->additional_index());
-    } else {
-      stream->Add("]");
-    }
-  }
-
-  DECLARE_HYDROGEN_ACCESSOR(LoadKeyed)
-};
-
-
-class LLoadKeyedExternal: public LLoadKeyed<1> {
- public:
-  LLoadKeyedExternal(LOperand* elements, LOperand* key, LOperand* temp) :
-      LLoadKeyed<1>(elements, key) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedExternal, "load-keyed-external");
-};
-
-
-class LLoadKeyedFixed: public LLoadKeyed<1> {
- public:
-  LLoadKeyedFixed(LOperand* elements, LOperand* key, LOperand* temp) :
-      LLoadKeyed<1>(elements, key) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFixed, "load-keyed-fixed");
-};
-
-
-class LLoadKeyedFixedDouble: public LLoadKeyed<1> {
- public:
-  LLoadKeyedFixedDouble(LOperand* elements, LOperand* key, LOperand* temp) :
-      LLoadKeyed<1>(elements, key) {
-    temps_[0] = temp;
-  }
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedFixedDouble, "load-keyed-fixed-double");
-};
-
-
-class LLoadKeyedGeneric V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- public:
-  LLoadKeyedGeneric(LOperand* context, LOperand* object, LOperand* key) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = key;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* key() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadKeyedGeneric, "load-keyed-generic")
-};
-
-
-class LLoadNamedGeneric V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LLoadNamedGeneric(LOperand* context, LOperand* object) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(LoadNamedGeneric, "load-named-generic")
-  DECLARE_HYDROGEN_ACCESSOR(LoadNamedGeneric)
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-};
-
-
-class LLoadRoot V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(LoadRoot, "load-root")
-  DECLARE_HYDROGEN_ACCESSOR(LoadRoot)
-
-  Heap::RootListIndex index() const { return hydrogen()->index(); }
-};
-
-
-class LMapEnumLength V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LMapEnumLength(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MapEnumLength, "map-enum-length")
-};
-
-
-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(); }
-
-  void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
-};
-
-
-class LMathAbs V8_FINAL : public LUnaryMathOperation<0> {
- 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)
-};
-
-
-class LMathExp V8_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]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathExp, "math-exp")
-};
-
-
-class LMathFloor V8_FINAL : public LUnaryMathOperation<0> {
- public:
-  explicit LMathFloor(LOperand* value) : LUnaryMathOperation<0>(value) { }
-  DECLARE_CONCRETE_INSTRUCTION(MathFloor, "math-floor")
-};
-
-
-class LFlooringDivByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  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_;
-};
-
-
-class LFlooringDivByConstI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
- public:
-  LFlooringDivByConstI(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(FlooringDivByConstI, "flooring-div-by-const-i")
-  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
-
- private:
-  int32_t divisor_;
-};
-
-
-class LFlooringDivI V8_FINAL : public LTemplateInstruction<1, 2, 1> {
- public:
-  LFlooringDivI(LOperand* dividend, LOperand* divisor, LOperand* temp) {
-    inputs_[0] = dividend;
-    inputs_[1] = divisor;
-    temps_[0] = temp;
-  }
-
-  LOperand* dividend() { return inputs_[0]; }
-  LOperand* divisor() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(FlooringDivI, "flooring-div-i")
-  DECLARE_HYDROGEN_ACCESSOR(MathFloorOfDiv)
-};
-
-
-class LMathLog V8_FINAL : public LUnaryMathOperation<0> {
- public:
-  explicit LMathLog(LOperand* value) : LUnaryMathOperation<0>(value) { }
-  DECLARE_CONCRETE_INSTRUCTION(MathLog, "math-log")
-};
-
-
-class LMathClz32 V8_FINAL : public LUnaryMathOperation<0> {
- public:
-  explicit LMathClz32(LOperand* value) : LUnaryMathOperation<0>(value) { }
-  DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
-};
-
-
-class LMathMinMax V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LMathPowHalf V8_FINAL : public LUnaryMathOperation<0> {
- public:
-  explicit LMathPowHalf(LOperand* value) : LUnaryMathOperation<0>(value) { }
-  DECLARE_CONCRETE_INSTRUCTION(MathPowHalf, "math-pow-half")
-};
-
-
-class LMathRound V8_FINAL : public LUnaryMathOperation<1> {
- public:
-  LMathRound(LOperand* value, LOperand* temp1)
-      : LUnaryMathOperation<1>(value) {
-    temps_[0] = temp1;
-  }
-
-  LOperand* temp1() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-round")
-};
-
-
-class LMathSqrt V8_FINAL : public LUnaryMathOperation<0> {
- public:
-  explicit LMathSqrt(LOperand* value) : LUnaryMathOperation<0>(value) { }
-  DECLARE_CONCRETE_INSTRUCTION(MathSqrt, "math-sqrt")
-};
-
-
-class LModByPowerOf2I V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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_;
-};
-
-
-class LModByConstI V8_FINAL : public LTemplateInstruction<1, 1, 1> {
- 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_;
-};
-
-
-class LModI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LMulConstIS V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LMulI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LMulS V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LNumberTagD V8_FINAL : public LTemplateInstruction<1, 1, 2> {
- 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)
-};
-
-
-class LNumberTagU V8_FINAL : public LTemplateInstruction<1, 1, 2> {
- 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")
-};
-
-
-class LNumberUntagD V8_FINAL : public LTemplateInstruction<1, 1, 1> {
- 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)
-};
-
-
-class LParameter V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  virtual bool HasInterestingComment(LCodeGen* gen) const { return false; }
-  DECLARE_CONCRETE_INSTRUCTION(Parameter, "parameter")
-};
-
-
-class LPower V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LPushArgument V8_FINAL : public LTemplateInstruction<0, 1, 0> {
- public:
-  explicit LPushArgument(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(PushArgument, "push-argument")
-};
-
-
-class LRegExpLiteral V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LRegExpLiteral(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
-  DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
-};
-
-
-class LReturn V8_FINAL : public LTemplateInstruction<0, 3, 0> {
- 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() {
-    ASSERT(has_constant_parameter_count());
-    return LConstantOperand::cast(parameter_count());
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(Return, "return")
-};
-
-
-class LSeqStringGetChar V8_FINAL : public LTemplateInstruction<1, 2, 1> {
- 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)
-};
-
-
-class LSeqStringSetChar V8_FINAL : public LTemplateInstruction<1, 4, 1> {
- 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)
-};
-
-
-class LSmiTag V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LSmiTag(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SmiTag, "smi-tag")
-  DECLARE_HYDROGEN_ACCESSOR(Change)
-};
-
-
-class LSmiUntag V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- 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_;
-};
-
-
-class LStackCheck V8_FINAL : public LTemplateInstruction<0, 1, 0> {
- 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_;
-};
-
-
-template<int T>
-class LStoreKeyed : public LTemplateInstruction<0, 3, T> {
- public:
-  LStoreKeyed(LOperand* elements, LOperand* key, LOperand* value) {
-    this->inputs_[0] = elements;
-    this->inputs_[1] = key;
-    this->inputs_[2] = value;
-  }
-
-  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]; }
-  ElementsKind elements_kind() const {
-    return this->hydrogen()->elements_kind();
-  }
-
-  bool NeedsCanonicalization() {
-    return this->hydrogen()->NeedsCanonicalization();
-  }
-  uint32_t additional_index() const { return this->hydrogen()->index_offset(); }
-
-  void PrintDataTo(StringStream* stream) V8_OVERRIDE {
-    this->elements()->PrintTo(stream);
-    stream->Add("[");
-    this->key()->PrintTo(stream);
-    if (this->hydrogen()->IsDehoisted()) {
-      stream->Add(" + %d] <-", this->additional_index());
-    } else {
-      stream->Add("] <- ");
-    }
-
-    if (this->value() == NULL) {
-      ASSERT(hydrogen()->IsConstantHoleStore() &&
-             hydrogen()->value()->representation().IsDouble());
-      stream->Add("<the hole(nan)>");
-    } else {
-      this->value()->PrintTo(stream);
-    }
-  }
-
-  DECLARE_HYDROGEN_ACCESSOR(StoreKeyed)
-};
-
-
-class LStoreKeyedExternal V8_FINAL : public LStoreKeyed<1> {
- public:
-  LStoreKeyedExternal(LOperand* elements, LOperand* key, LOperand* value,
-                      LOperand* temp) :
-      LStoreKeyed<1>(elements, key, value) {
-    temps_[0] = temp;
-  };
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedExternal, "store-keyed-external")
-};
-
-
-class LStoreKeyedFixed V8_FINAL : public LStoreKeyed<1> {
- public:
-  LStoreKeyedFixed(LOperand* elements, LOperand* key, LOperand* value,
-                   LOperand* temp) :
-      LStoreKeyed<1>(elements, key, value) {
-    temps_[0] = temp;
-  };
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFixed, "store-keyed-fixed")
-};
-
-
-class LStoreKeyedFixedDouble V8_FINAL : public LStoreKeyed<1> {
- public:
-  LStoreKeyedFixedDouble(LOperand* elements, LOperand* key, LOperand* value,
-                         LOperand* temp) :
-      LStoreKeyed<1>(elements, key, value) {
-    temps_[0] = temp;
-  };
-
-  LOperand* temp() { return temps_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedFixedDouble,
-                               "store-keyed-fixed-double")
-};
-
-
-class LStoreKeyedGeneric V8_FINAL : public LTemplateInstruction<0, 4, 0> {
- public:
-  LStoreKeyedGeneric(LOperand* context,
-                     LOperand* obj,
-                     LOperand* key,
-                     LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = obj;
-    inputs_[2] = key;
-    inputs_[3] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* key() { return inputs_[2]; }
-  LOperand* value() { return inputs_[3]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreKeyedGeneric, "store-keyed-generic")
-  DECLARE_HYDROGEN_ACCESSOR(StoreKeyedGeneric)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  StrictMode strict_mode() { return hydrogen()->strict_mode(); }
-};
-
-
-class LStoreNamedField V8_FINAL : public LTemplateInstruction<0, 2, 2> {
- 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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  Handle<Map> transition() const { return hydrogen()->transition_map(); }
-  Representation representation() const {
-    return hydrogen()->field_representation();
-  }
-};
-
-
-class LStoreNamedGeneric V8_FINAL: public LTemplateInstruction<0, 3, 0> {
- public:
-  LStoreNamedGeneric(LOperand* context, LOperand* object, LOperand* value) {
-    inputs_[0] = context;
-    inputs_[1] = object;
-    inputs_[2] = value;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-  LOperand* object() { return inputs_[1]; }
-  LOperand* value() { return inputs_[2]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreNamedGeneric, "store-named-generic")
-  DECLARE_HYDROGEN_ACCESSOR(StoreNamedGeneric)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  Handle<Object> name() const { return hydrogen()->name(); }
-  StrictMode strict_mode() { return hydrogen()->strict_mode(); }
-};
-
-
-class LStringAdd V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- 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)
-};
-
-
-
-class LStringCharCodeAt V8_FINAL : public LTemplateInstruction<1, 3, 0> {
- 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)
-};
-
-
-class LStringCharFromCode V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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)
-};
-
-
-class LStringCompareAndBranch V8_FINAL : public LControlInstruction<3, 0> {
- 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(); }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-// Truncating conversion from a tagged value to an int32.
-class LTaggedToI V8_FINAL : public LTemplateInstruction<1, 1, 2> {
- 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(); }
-};
-
-
-class LShiftI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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_;
-};
-
-
-class LShiftS V8_FINAL : public LTemplateInstruction<1, 2, 1> {
- public:
-  LShiftS(Token::Value op, LOperand* left, LOperand* right, LOperand* temp,
-          bool can_deopt) : op_(op), can_deopt_(can_deopt) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-    temps_[0] = temp;
-  }
-
-  Token::Value op() const { return op_; }
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-  LOperand* temp() { return temps_[0]; }
-  bool can_deopt() const { return can_deopt_; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ShiftS, "shift-s")
-
- private:
-  Token::Value op_;
-  bool can_deopt_;
-};
-
-
-class LStoreCodeEntry V8_FINAL: public LTemplateInstruction<0, 2, 1> {
- 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]; }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
-  DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
-};
-
-
-class LStoreContextSlot V8_FINAL : public LTemplateInstruction<0, 2, 1> {
- 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(); }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LStoreGlobalCell V8_FINAL : public LTemplateInstruction<0, 1, 2> {
- public:
-  LStoreGlobalCell(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(StoreGlobalCell, "store-global-cell")
-  DECLARE_HYDROGEN_ACCESSOR(StoreGlobalCell)
-};
-
-
-class LSubI V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- public:
-  LSubI(LOperand* left, LOperand* right) {
-    inputs_[0] = left;
-    inputs_[1] = right;
-  }
-
-  LOperand* left() { return inputs_[0]; }
-  LOperand* right() { return inputs_[1]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(SubI, "sub-i")
-  DECLARE_HYDROGEN_ACCESSOR(Sub)
-};
-
-
-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)
-};
-
-
-class LThisFunction V8_FINAL : public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(ThisFunction, "this-function")
-  DECLARE_HYDROGEN_ACCESSOR(ThisFunction)
-};
-
-
-class LToFastProperties V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LToFastProperties(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(ToFastProperties, "to-fast-properties")
-  DECLARE_HYDROGEN_ACCESSOR(ToFastProperties)
-};
-
-
-class LTransitionElementsKind V8_FINAL : public LTemplateInstruction<0, 2, 2> {
- public:
-  LTransitionElementsKind(LOperand* object,
-                          LOperand* context,
-                          LOperand* temp1,
-                          LOperand* temp2 = NULL) {
-    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)
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-
-  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(); }
-};
-
-
-class LTrapAllocationMemento V8_FINAL : public LTemplateInstruction<0, 1, 2> {
- 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")
-};
-
-
-class LTruncateDoubleToIntOrSmi V8_FINAL
-    : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LTruncateDoubleToIntOrSmi(LOperand* value) {
-    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(); }
-};
-
-
-class LTypeof V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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")
-};
-
-
-class LTypeofIsAndBranch V8_FINAL : public LControlInstruction<1, 2> {
- 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(); }
-
-  virtual void PrintDataTo(StringStream* stream) V8_OVERRIDE;
-};
-
-
-class LUint32ToDouble V8_FINAL : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LUint32ToDouble(LOperand* value) {
-    inputs_[0] = value;
-  }
-
-  LOperand* value() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(Uint32ToDouble, "uint32-to-double")
-};
-
-
-class LCheckMapValue V8_FINAL : public LTemplateInstruction<0, 2, 1> {
- 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")
-};
-
-
-class LLoadFieldByIndex V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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")
-};
-
-
-class LWrapReceiver V8_FINAL : public LTemplateInstruction<1, 2, 0> {
- 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;
-class LPlatformChunk V8_FINAL : public LChunk {
- public:
-  LPlatformChunk(CompilationInfo* info, HGraph* graph)
-      : LChunk(info, graph) { }
-
-  int GetNextSpillIndex();
-  LOperand* GetNextSpillSlot(RegisterKind kind);
-};
-
-
-class LChunkBuilder V8_FINAL : public LChunkBuilderBase {
- public:
-  LChunkBuilder(CompilationInfo* info, HGraph* graph, LAllocator* allocator)
-      : LChunkBuilderBase(graph->zone()),
-        chunk_(NULL),
-        info_(info),
-        graph_(graph),
-        status_(UNUSED),
-        current_instruction_(NULL),
-        current_block_(NULL),
-        allocator_(allocator) { }
-
-  // Build the sequence for the graph.
-  LPlatformChunk* Build();
-
-  LInstruction* CheckElideControlInstruction(HControlInstruction* instr);
-
-  // 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
-
-  LInstruction* DoDivByPowerOf2I(HDiv* instr);
-  LInstruction* DoDivByConstI(HDiv* instr);
-  LInstruction* DoDivI(HBinaryOperation* instr);
-  LInstruction* DoModByPowerOf2I(HMod* instr);
-  LInstruction* DoModByConstI(HMod* instr);
-  LInstruction* DoModI(HMod* instr);
-  LInstruction* DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr);
-  LInstruction* DoFlooringDivByConstI(HMathFloorOfDiv* instr);
-  LInstruction* DoFlooringDivI(HMathFloorOfDiv* instr);
-
-  static bool HasMagicNumberForDivision(int32_t divisor);
-
- private:
-  enum Status {
-    UNUSED,
-    BUILDING,
-    DONE,
-    ABORTED
-  };
-
-  HGraph* graph() const { return graph_; }
-  Isolate* isolate() const { return info_->isolate(); }
-
-  bool is_unused() const { return status_ == UNUSED; }
-  bool is_building() const { return status_ == BUILDING; }
-  bool is_done() const { return status_ == DONE; }
-  bool is_aborted() const { return status_ == ABORTED; }
-
-  int argument_count() const { return argument_count_; }
-  CompilationInfo* info() const { return info_; }
-  Heap* heap() const { return isolate()->heap(); }
-
-  void Abort(BailoutReason reason);
-
-  // 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
-  // to discourage its use in A64, since in most cases it is better to allocate
-  // a temporary register for the Lithium instruction.
-  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();
-
-  // 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);
-  void DoBasicBlock(HBasicBlock* block);
-
-  LInstruction* DoShift(Token::Value op, HBitwiseBinaryOperation* instr);
-  LInstruction* DoArithmeticD(Token::Value op,
-                              HArithmeticBinaryOperation* instr);
-  LInstruction* DoArithmeticT(Token::Value op,
-                              HBinaryOperation* instr);
-
-  LPlatformChunk* chunk_;
-  CompilationInfo* info_;
-  HGraph* const graph_;
-  Status status_;
-  HInstruction* current_instruction_;
-  HBasicBlock* current_block_;
-  LAllocator* allocator_;
-
-  DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
-};
-
-#undef DECLARE_HYDROGEN_ACCESSOR
-#undef DECLARE_CONCRETE_INSTRUCTION
-
-} }  // namespace v8::internal
-
-#endif  // V8_A64_LITHIUM_A64_H_