//===- subzero/src/IceInstX86Base.h - Generic x86 instructions -*- C++ -*--===//
//
//                        The Subzero Code Generator
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// \brief This file defines the InstX86Base template class, as well as the
/// generic X86 Instruction class hierarchy.
///
/// Only X86 instructions common across all/most X86 targets should be defined
/// here, with target-specific instructions declared in the target's traits.
///
//===----------------------------------------------------------------------===//

#ifndef SUBZERO_SRC_ICEINSTX86BASE_H
#define SUBZERO_SRC_ICEINSTX86BASE_H

#include "IceDefs.h"
#include "IceInst.h"
#include "IceOperand.h"

namespace Ice {

#ifndef X86NAMESPACE
#error "You must define the X86 Target namespace."
#endif

namespace X86NAMESPACE {

template <typename TraitsType> struct InstImpl {
  using Traits = TraitsType;
  using Assembler = typename Traits::Assembler;
  using AssemblerLabel = typename Assembler::Label;
  using AssemblerImmediate = typename Assembler::Immediate;
  using TargetLowering = typename Traits::TargetLowering;
  using Address = typename Traits::Address;
  using X86Operand = typename Traits::X86Operand;
  using X86OperandMem = typename Traits::X86OperandMem;
  using VariableSplit = typename Traits::VariableSplit;

  using GPRRegister = typename Traits::RegisterSet::GPRRegister;
  using RegisterSet = typename Traits::RegisterSet;
  using XmmRegister = typename Traits::RegisterSet::XmmRegister;

  using Cond = typename Traits::Cond;
  using BrCond = typename Traits::Cond::BrCond;
  using CmppsCond = typename Traits::Cond::CmppsCond;

  template <typename SReg_t, typename DReg_t>
  using CastEmitterRegOp =
      typename Traits::Assembler::template CastEmitterRegOp<SReg_t, DReg_t>;
  template <typename SReg_t, typename DReg_t>
  using ThreeOpImmEmitter =
      typename Traits::Assembler::template ThreeOpImmEmitter<SReg_t, DReg_t>;
  using GPREmitterAddrOp = typename Traits::Assembler::GPREmitterAddrOp;
  using GPREmitterRegOp = typename Traits::Assembler::GPREmitterRegOp;
  using GPREmitterShiftD = typename Traits::Assembler::GPREmitterShiftD;
  using GPREmitterShiftOp = typename Traits::Assembler::GPREmitterShiftOp;
  using GPREmitterOneOp = typename Traits::Assembler::GPREmitterOneOp;
  using XmmEmitterRegOp = typename Traits::Assembler::XmmEmitterRegOp;
  using XmmEmitterShiftOp = typename Traits::Assembler::XmmEmitterShiftOp;
  using XmmEmitterMovOps = typename Traits::Assembler::XmmEmitterMovOps;

  class InstX86Base : public InstTarget {
    InstX86Base() = delete;
    InstX86Base(const InstX86Base &) = delete;
    InstX86Base &operator=(const InstX86Base &) = delete;

  public:
    enum InstKindX86 {
      k__Start = Inst::Target,
      Adc,
      AdcRMW,
      Add,
      AddRMW,
      Addps,
      Addss,
      And,
      Andnps,
      Andps,
      AndRMW,
      Blendvps,
      Br,
      Bsf,
      Bsr,
      Bswap,
      Call,
      Cbwdq,
      Cmov,
      Cmpps,
      Cmpxchg,
      Cmpxchg8b,
      Cvt,
      Div,
      Divps,
      Divss,
      FakeRMW,
      Fld,
      Fstp,
      GetIP,
      Icmp,
      Idiv,
      Imul,
      ImulImm,
      Insertps,
      Int3,
      Jmp,
      Label,
      Lea,
      Load,
      Mfence,
      Minss,
      Maxss,
      Mov,
      Movd,
      Movp,
      Movq,
      MovssRegs,
      Movsx,
      Movzx,
      Mul,
      Mulps,
      Mulss,
      Neg,
      Nop,
      Or,
      Orps,
      OrRMW,
      Padd,
      Pand,
      Pandn,
      Pblendvb,
      Pcmpeq,
      Pcmpgt,
      Pextr,
      Pinsr,
      Pmull,
      Pmuludq,
      Pop,
      Por,
      Pshufb,
      Pshufd,
      Punpckl,
      Punpckh,
      Packss,
      Packus,
      Psll,
      Psra,
      Psrl,
      Psub,
      Push,
      Pxor,
      Ret,
      Rol,
      Sar,
      Sbb,
      SbbRMW,
      Setcc,
      Shl,
      Shld,
      Shr,
      Shrd,
      Shufps,
      Sqrtss,
      Store,
      StoreP,
      StoreQ,
      StoreD,
      Sub,
      SubRMW,
      Subps,
      Subss,
      Test,
      Ucomiss,
      UD2,
      Xadd,
      Xchg,
      Xor,
      Xorps,
      XorRMW,

      /// Intel Architecture Code Analyzer markers. These are not executable so
      /// must only be used for analysis.
      IacaStart,
      IacaEnd
    };

    enum SseSuffix { None, Packed, Unpack, Scalar, Integral, Pack };

    static const char *getWidthString(Type Ty);
    static const char *getFldString(Type Ty);
    static BrCond getOppositeCondition(BrCond Cond);
    void dump(const Cfg *Func) const override;

    // Shared emit routines for common forms of instructions.
    void emitTwoAddress(const Cfg *Func, const char *Opcode,
                        const char *Suffix = "") const;

    static TargetLowering *getTarget(const Cfg *Func) {
      return static_cast<TargetLowering *>(Func->getTarget());
    }

  protected:
    InstX86Base(Cfg *Func, InstKindX86 Kind, SizeT Maxsrcs, Variable *Dest)
        : InstTarget(Func, static_cast<InstKind>(Kind), Maxsrcs, Dest) {}

    static bool isClassof(const Inst *Instr, InstKindX86 MyKind) {
      return Instr->getKind() == static_cast<InstKind>(MyKind);
    }
    // Most instructions that operate on vector arguments require vector memory
    // operands to be fully aligned (16-byte alignment for PNaCl vector types).
    // The stack frame layout and call ABI ensure proper alignment for stack
    // operands, but memory operands (originating from load/store bitcode
    // instructions) only have element-size alignment guarantees. This function
    // validates that none of the operands is a memory operand of vector type,
    // calling report_fatal_error() if one is found. This function should be
    // called during emission, and maybe also in the ctor (as long as that fits
    // the lowering style).
    void validateVectorAddrMode() const {
      if (this->getDest())
        this->validateVectorAddrModeOpnd(this->getDest());
      for (SizeT i = 0; i < this->getSrcSize(); ++i) {
        this->validateVectorAddrModeOpnd(this->getSrc(i));
      }
    }

  private:
    static void validateVectorAddrModeOpnd(const Operand *Opnd) {
      if (llvm::isa<X86OperandMem>(Opnd) && isVectorType(Opnd->getType())) {
        llvm::report_fatal_error("Possible misaligned vector memory operation");
      }
    }
  };

  /// InstX86FakeRMW represents a non-atomic read-modify-write operation on a
  /// memory location. An InstX86FakeRMW is a "fake" instruction in that it
  /// still needs to be lowered to some actual RMW instruction.
  ///
  /// If A is some memory address, D is some data value to apply, and OP is an
  /// arithmetic operator, the instruction operates as: (*A) = (*A) OP D
  class InstX86FakeRMW final : public InstX86Base {
    InstX86FakeRMW() = delete;
    InstX86FakeRMW(const InstX86FakeRMW &) = delete;
    InstX86FakeRMW &operator=(const InstX86FakeRMW &) = delete;

  public:
    static InstX86FakeRMW *create(Cfg *Func, Operand *Data, Operand *Addr,
                                  Variable *Beacon, InstArithmetic::OpKind Op,
                                  uint32_t Align = 1) {
      // TODO(stichnot): Stop ignoring alignment specification.
      (void)Align;
      return new (Func->allocate<InstX86FakeRMW>())
          InstX86FakeRMW(Func, Data, Addr, Op, Beacon);
    }
    Operand *getAddr() const { return this->getSrc(1); }
    Operand *getData() const { return this->getSrc(0); }
    InstArithmetic::OpKind getOp() const { return Op; }
    Variable *getBeacon() const {
      return llvm::cast<Variable>(this->getSrc(2));
    }
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::FakeRMW);
    }

  private:
    InstArithmetic::OpKind Op;
    InstX86FakeRMW(Cfg *Func, Operand *Data, Operand *Addr,
                   InstArithmetic::OpKind Op, Variable *Beacon);
  };

  class InstX86GetIP final : public InstX86Base {
    InstX86GetIP() = delete;
    InstX86GetIP(const InstX86GetIP &) = delete;
    InstX86GetIP &operator=(const InstX86GetIP &) = delete;

  public:
    static InstX86GetIP *create(Cfg *Func, Variable *Dest) {
      return new (Func->allocate<InstX86GetIP>()) InstX86GetIP(Func, Dest);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::GetIP);
    }

  private:
    InstX86GetIP(Cfg *Func, Variable *Dest);
  };

  /// InstX86Label represents an intra-block label that is the target of an
  /// intra-block branch. The offset between the label and the branch must be
  /// fit into one byte (considered "near"). These are used for lowering i1
  /// calculations, Select instructions, and 64-bit compares on a 32-bit
  /// architecture, without basic block splitting. Basic block splitting is not
  /// so desirable for several reasons, one of which is the impact on decisions
  /// based on whether a variable's live range spans multiple basic blocks.
  ///
  /// Intra-block control flow must be used with caution. Consider the sequence
  /// for "c = (a >= b ? x : y)".
  ///     cmp a, b
  ///     br lt, L1
  ///     mov c, x
  ///     jmp L2
  ///   L1:
  ///     mov c, y
  ///   L2:
  ///
  /// Labels L1 and L2 are intra-block labels. Without knowledge of the
  /// intra-block control flow, liveness analysis will determine the "mov c, x"
  /// instruction to be dead. One way to prevent this is to insert a
  /// "FakeUse(c)" instruction anywhere between the two "mov c, ..."
  /// instructions, e.g.:
  ///
  ///     cmp a, b
  ///     br lt, L1
  ///     mov c, x
  ///     jmp L2
  ///     FakeUse(c)
  ///   L1:
  ///     mov c, y
  ///   L2:
  ///
  /// The down-side is that "mov c, x" can never be dead-code eliminated even if
  /// there are no uses of c. As unlikely as this situation is, it may be
  /// prevented by running dead code elimination before lowering.
  class InstX86Label final : public InstX86Base {
    InstX86Label() = delete;
    InstX86Label(const InstX86Label &) = delete;
    InstX86Label &operator=(const InstX86Label &) = delete;

  public:
    static InstX86Label *create(Cfg *Func, TargetLowering *Target) {
      return new (Func->allocate<InstX86Label>()) InstX86Label(Func, Target);
    }
    uint32_t getEmitInstCount() const override { return 0; }
    GlobalString getLabelName() const { return Name; }
    SizeT getLabelNumber() const { return LabelNumber; }
    bool isLabel() const override { return true; }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    void setRelocOffset(RelocOffset *Value) { OffsetReloc = Value; }

  private:
    InstX86Label(Cfg *Func, TargetLowering *Target);

    SizeT LabelNumber; // used for unique label generation.
    RelocOffset *OffsetReloc = nullptr;
    GlobalString Name;
  };

  /// Conditional and unconditional branch instruction.
  class InstX86Br final : public InstX86Base {
    InstX86Br() = delete;
    InstX86Br(const InstX86Br &) = delete;
    InstX86Br &operator=(const InstX86Br &) = delete;

  public:
    enum Mode { Near, Far };

    /// Create a conditional branch to a node.
    static InstX86Br *create(Cfg *Func, CfgNode *TargetTrue,
                             CfgNode *TargetFalse, BrCond Condition,
                             Mode Kind) {
      assert(Condition != Cond::Br_None);
      constexpr InstX86Label *NoLabel = nullptr;
      return new (Func->allocate<InstX86Br>())
          InstX86Br(Func, TargetTrue, TargetFalse, NoLabel, Condition, Kind);
    }
    /// Create an unconditional branch to a node.
    static InstX86Br *create(Cfg *Func, CfgNode *Target, Mode Kind) {
      constexpr CfgNode *NoCondTarget = nullptr;
      constexpr InstX86Label *NoLabel = nullptr;
      return new (Func->allocate<InstX86Br>())
          InstX86Br(Func, NoCondTarget, Target, NoLabel, Cond::Br_None, Kind);
    }
    /// Create a non-terminator conditional branch to a node, with a fallthrough
    /// to the next instruction in the current node. This is used for switch
    /// lowering.
    static InstX86Br *create(Cfg *Func, CfgNode *Target, BrCond Condition,
                             Mode Kind) {
      assert(Condition != Cond::Br_None);
      constexpr CfgNode *NoUncondTarget = nullptr;
      constexpr InstX86Label *NoLabel = nullptr;
      return new (Func->allocate<InstX86Br>())
          InstX86Br(Func, Target, NoUncondTarget, NoLabel, Condition, Kind);
    }
    /// Create a conditional intra-block branch (or unconditional, if
    /// Condition==Br_None) to a label in the current block.
    static InstX86Br *create(Cfg *Func, InstX86Label *Label, BrCond Condition,
                             Mode Kind) {
      constexpr CfgNode *NoCondTarget = nullptr;
      constexpr CfgNode *NoUncondTarget = nullptr;
      return new (Func->allocate<InstX86Br>())
          InstX86Br(Func, NoCondTarget, NoUncondTarget, Label, Condition, Kind);
    }
    const CfgNode *getTargetTrue() const { return TargetTrue; }
    const CfgNode *getTargetFalse() const { return TargetFalse; }
    bool isNear() const { return Kind == Near; }
    bool optimizeBranch(const CfgNode *NextNode);
    uint32_t getEmitInstCount() const override {
      uint32_t Sum = 0;
      if (Label)
        ++Sum;
      if (getTargetTrue())
        ++Sum;
      if (getTargetFalse())
        ++Sum;
      return Sum;
    }
    bool isUnconditionalBranch() const override {
      return !Label && Condition == Cond::Br_None;
    }
    const Inst *getIntraBlockBranchTarget() const override { return Label; }
    bool repointEdges(CfgNode *OldNode, CfgNode *NewNode) override;
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Br);
    }

  private:
    InstX86Br(Cfg *Func, const CfgNode *TargetTrue, const CfgNode *TargetFalse,
              const InstX86Label *Label, BrCond Condition, Mode Kind);

    BrCond Condition;
    const CfgNode *TargetTrue;
    const CfgNode *TargetFalse;
    const InstX86Label *Label; // Intra-block branch target
    const Mode Kind;
  };

  /// Jump to a target outside this function, such as tailcall, nacljump,
  /// naclret, unreachable. This is different from a Branch instruction in that
  /// there is no intra-function control flow to represent.
  class InstX86Jmp final : public InstX86Base {
    InstX86Jmp() = delete;
    InstX86Jmp(const InstX86Jmp &) = delete;
    InstX86Jmp &operator=(const InstX86Jmp &) = delete;

  public:
    static InstX86Jmp *create(Cfg *Func, Operand *Target) {
      return new (Func->allocate<InstX86Jmp>()) InstX86Jmp(Func, Target);
    }
    Operand *getJmpTarget() const { return this->getSrc(0); }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Jmp);
    }

  private:
    InstX86Jmp(Cfg *Func, Operand *Target);
  };

  /// Call instruction. Arguments should have already been pushed.
  class InstX86Call final : public InstX86Base {
    InstX86Call() = delete;
    InstX86Call(const InstX86Call &) = delete;
    InstX86Call &operator=(const InstX86Call &) = delete;

  public:
    static InstX86Call *create(Cfg *Func, Variable *Dest, Operand *CallTarget) {
      return new (Func->allocate<InstX86Call>())
          InstX86Call(Func, Dest, CallTarget);
    }
    Operand *getCallTarget() const { return this->getSrc(0); }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Call);
    }

  private:
    InstX86Call(Cfg *Func, Variable *Dest, Operand *CallTarget);
  };

  /// Emit a one-operand (GPR) instruction.
  static void emitIASOpTyGPR(const Cfg *Func, Type Ty, const Operand *Var,
                             const GPREmitterOneOp &Emitter);

  static void emitIASAsAddrOpTyGPR(const Cfg *Func, Type Ty, const Operand *Op0,
                                   const Operand *Op1,
                                   const GPREmitterAddrOp &Emitter);

  static void emitIASGPRShift(const Cfg *Func, Type Ty, const Variable *Var,
                              const Operand *Src,
                              const GPREmitterShiftOp &Emitter);

  static void emitIASAddrOpTyGPR(const Cfg *Func, Type Ty, const Address &Addr,
                                 const Operand *Src,
                                 const GPREmitterAddrOp &Emitter);

  static void emitIASRegOpTyXMM(const Cfg *Func, Type Ty, const Variable *Var,
                                const Operand *Src,
                                const XmmEmitterRegOp &Emitter);

  static void emitIASGPRShiftDouble(const Cfg *Func, const Variable *Dest,
                                    const Operand *Src1Op,
                                    const Operand *Src2Op,
                                    const GPREmitterShiftD &Emitter);

  template <typename DReg_t, typename SReg_t, DReg_t (*destEnc)(RegNumT),
            SReg_t (*srcEnc)(RegNumT)>
  static void emitIASCastRegOp(const Cfg *Func, Type DestTy,
                               const Variable *Dest, Type SrcTy,
                               const Operand *Src,
                               const CastEmitterRegOp<DReg_t, SReg_t> &Emitter);

  template <typename DReg_t, typename SReg_t, DReg_t (*destEnc)(RegNumT),
            SReg_t (*srcEnc)(RegNumT)>
  static void
  emitIASThreeOpImmOps(const Cfg *Func, Type DispatchTy, const Variable *Dest,
                       const Operand *Src0, const Operand *Src1,
                       const ThreeOpImmEmitter<DReg_t, SReg_t> Emitter);

  static void emitIASMovlikeXMM(const Cfg *Func, const Variable *Dest,
                                const Operand *Src,
                                const XmmEmitterMovOps Emitter);

  static void emitVariableBlendInst(const char *Opcode, const Inst *Instr,
                                    const Cfg *Func);

  static void emitIASVariableBlendInst(const Inst *Instr, const Cfg *Func,
                                       const XmmEmitterRegOp &Emitter);

  static void emitIASXmmShift(const Cfg *Func, Type Ty, const Variable *Var,
                              const Operand *Src,
                              const XmmEmitterShiftOp &Emitter);

  /// Emit a two-operand (GPR) instruction, where the dest operand is a Variable
  /// that's guaranteed to be a register.
  template <bool VarCanBeByte = true, bool SrcCanBeByte = true>
  static void emitIASRegOpTyGPR(const Cfg *Func, bool IsLea, Type Ty,
                                const Variable *Dst, const Operand *Src,
                                const GPREmitterRegOp &Emitter);

  /// Instructions of the form x := op(x).
  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseInplaceopGPR : public InstX86Base {
    InstX86BaseInplaceopGPR() = delete;
    InstX86BaseInplaceopGPR(const InstX86BaseInplaceopGPR &) = delete;
    InstX86BaseInplaceopGPR &
    operator=(const InstX86BaseInplaceopGPR &) = delete;

  public:
    using Base = InstX86BaseInplaceopGPR<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrEmit();
      assert(this->getSrcSize() == 1);
      Str << "\t" << Opcode << "\t";
      this->getSrc(0)->emit(Func);
    }
    void emitIAS(const Cfg *Func) const override {
      assert(this->getSrcSize() == 1);
      const Variable *Var = this->getDest();
      Type Ty = Var->getType();
      emitIASOpTyGPR(Func, Ty, Var, Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseInplaceopGPR(Cfg *Func, Operand *SrcDest)
        : InstX86Base(Func, K, 1, llvm::dyn_cast<Variable>(SrcDest)) {
      this->addSource(SrcDest);
    }

  private:
    static const char *Opcode;
    static const GPREmitterOneOp Emitter;
  };

  /// Instructions of the form x := op(y).
  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseUnaryopGPR : public InstX86Base {
    InstX86BaseUnaryopGPR() = delete;
    InstX86BaseUnaryopGPR(const InstX86BaseUnaryopGPR &) = delete;
    InstX86BaseUnaryopGPR &operator=(const InstX86BaseUnaryopGPR &) = delete;

  public:
    using Base = InstX86BaseUnaryopGPR<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrEmit();
      assert(this->getSrcSize() == 1);
      Type SrcTy = this->getSrc(0)->getType();
      Type DestTy = this->getDest()->getType();
      Str << "\t" << Opcode << this->getWidthString(SrcTy);
      // Movsx and movzx need both the source and dest type width letter to
      // define the operation. The other unary operations have the same source
      // and dest type and as a result need only one letter.
      if (SrcTy != DestTy)
        Str << this->getWidthString(DestTy);
      Str << "\t";
      this->getSrc(0)->emit(Func);
      Str << ", ";
      this->getDest()->emit(Func);
    }
    void emitIAS(const Cfg *Func) const override {
      assert(this->getSrcSize() == 1);
      const Variable *Var = this->getDest();
      Type Ty = Var->getType();
      const Operand *Src = this->getSrc(0);
      constexpr bool IsLea = K == InstX86Base::Lea;

      if (IsLea) {
        if (auto *Add = deoptLeaToAddOrNull(Func)) {
          Add->emitIAS(Func);
          return;
        }
      }
      emitIASRegOpTyGPR(Func, IsLea, Ty, Var, Src, Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getSrc(0)->getType() << " ";
      this->dumpSources(Func);
    }

    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseUnaryopGPR(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86Base(Func, K, 1, Dest) {
      this->addSource(Src);
    }

    Inst *deoptLeaToAddOrNull(const Cfg *Func) const {
      // Revert back to Add when the Lea is a 2-address instruction.
      // Caller has to emit, this just produces the add instruction.
      if (auto *MemOp = llvm::dyn_cast<X86OperandMem>(this->getSrc(0))) {
        if (getFlags().getAggressiveLea() &&
            MemOp->getBase()->getRegNum() == this->getDest()->getRegNum() &&
            MemOp->getIndex() == nullptr && MemOp->getShift() == 0) {
          auto *Add = InstImpl<TraitsType>::InstX86Add::create(
              const_cast<Cfg *>(Func), this->getDest(), MemOp->getOffset());
          // TODO(manasijm): Remove const_cast by emitting code for add
          // directly.
          return Add;
        }
      }
      return nullptr;
    }

    static const char *Opcode;
    static const GPREmitterRegOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseUnaryopXmm : public InstX86Base {
    InstX86BaseUnaryopXmm() = delete;
    InstX86BaseUnaryopXmm(const InstX86BaseUnaryopXmm &) = delete;
    InstX86BaseUnaryopXmm &operator=(const InstX86BaseUnaryopXmm &) = delete;

  public:
    using Base = InstX86BaseUnaryopXmm<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrEmit();
      assert(this->getSrcSize() == 1);
      Str << "\t" << Opcode << "\t";
      this->getSrc(0)->emit(Func);
      Str << ", ";
      this->getDest()->emit(Func);
    }
    void emitIAS(const Cfg *Func) const override {
      Type Ty = this->getDest()->getType();
      assert(this->getSrcSize() == 1);
      emitIASRegOpTyXMM(Func, Ty, this->getDest(), this->getSrc(0), Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseUnaryopXmm(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86Base(Func, K, 1, Dest) {
      this->addSource(Src);
    }

    static const char *Opcode;
    static const XmmEmitterRegOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseBinopGPRShift : public InstX86Base {
    InstX86BaseBinopGPRShift() = delete;
    InstX86BaseBinopGPRShift(const InstX86BaseBinopGPRShift &) = delete;
    InstX86BaseBinopGPRShift &
    operator=(const InstX86BaseBinopGPRShift &) = delete;

  public:
    using Base = InstX86BaseBinopGPRShift<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      this->emitTwoAddress(Func, Opcode);
    }
    void emitIAS(const Cfg *Func) const override {
      Type Ty = this->getDest()->getType();
      assert(this->getSrcSize() == 2);
      emitIASGPRShift(Func, Ty, this->getDest(), this->getSrc(1), Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseBinopGPRShift(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86Base(Func, K, 2, Dest) {
      this->addSource(Dest);
      this->addSource(Source);
    }

    static const char *Opcode;
    static const GPREmitterShiftOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseBinopGPR : public InstX86Base {
    InstX86BaseBinopGPR() = delete;
    InstX86BaseBinopGPR(const InstX86BaseBinopGPR &) = delete;
    InstX86BaseBinopGPR &operator=(const InstX86BaseBinopGPR &) = delete;

  public:
    using Base = InstX86BaseBinopGPR<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      this->emitTwoAddress(Func, Opcode);
    }
    void emitIAS(const Cfg *Func) const override {
      Type Ty = this->getDest()->getType();
      assert(this->getSrcSize() == 2);
      constexpr bool ThisIsLEA = K == InstX86Base::Lea;
      static_assert(!ThisIsLEA, "Lea should be a unaryop.");
      emitIASRegOpTyGPR(Func, !ThisIsLEA, Ty, this->getDest(), this->getSrc(1),
                        Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseBinopGPR(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86Base(Func, K, 2, Dest) {
      this->addSource(Dest);
      this->addSource(Source);
    }

    static const char *Opcode;
    static const GPREmitterRegOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseBinopRMW : public InstX86Base {
    InstX86BaseBinopRMW() = delete;
    InstX86BaseBinopRMW(const InstX86BaseBinopRMW &) = delete;
    InstX86BaseBinopRMW &operator=(const InstX86BaseBinopRMW &) = delete;

  public:
    using Base = InstX86BaseBinopRMW<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      this->emitTwoAddress(Func, Opcode);
    }
    void emitIAS(const Cfg *Func) const override {
      Type Ty = this->getSrc(0)->getType();
      assert(this->getSrcSize() == 2);
      emitIASAsAddrOpTyGPR(Func, Ty, this->getSrc(0), this->getSrc(1), Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      Str << Opcode << "." << this->getSrc(0)->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseBinopRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86Base(Func, K, 2, nullptr) {
      this->addSource(DestSrc0);
      this->addSource(Src1);
    }

    static const char *Opcode;
    static const GPREmitterAddrOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K, bool NeedsElementType,
            typename InstX86Base::SseSuffix Suffix>
  class InstX86BaseBinopXmm : public InstX86Base {
    InstX86BaseBinopXmm() = delete;
    InstX86BaseBinopXmm(const InstX86BaseBinopXmm &) = delete;
    InstX86BaseBinopXmm &operator=(const InstX86BaseBinopXmm &) = delete;

  public:
    using Base = InstX86BaseBinopXmm<K, NeedsElementType, Suffix>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      this->validateVectorAddrMode();
      const Type DestTy = ArithmeticTypeOverride == IceType_void
                              ? this->getDest()->getType()
                              : ArithmeticTypeOverride;
      const char *SuffixString = "";
      switch (Suffix) {
      case InstX86Base::SseSuffix::None:
        break;
      case InstX86Base::SseSuffix::Packed:
        SuffixString = Traits::TypeAttributes[DestTy].PdPsString;
        break;
      case InstX86Base::SseSuffix::Unpack:
        SuffixString = Traits::TypeAttributes[DestTy].UnpackString;
        break;
      case InstX86Base::SseSuffix::Scalar:
        SuffixString = Traits::TypeAttributes[DestTy].SdSsString;
        break;
      case InstX86Base::SseSuffix::Integral:
        SuffixString = Traits::TypeAttributes[DestTy].IntegralString;
        break;
      case InstX86Base::SseSuffix::Pack:
        SuffixString = Traits::TypeAttributes[DestTy].PackString;
        break;
      }
      this->emitTwoAddress(Func, Opcode, SuffixString);
    }
    void emitIAS(const Cfg *Func) const override {
      this->validateVectorAddrMode();
      Type Ty = this->getDest()->getType();
      if (NeedsElementType)
        Ty = typeElementType(Ty);
      assert(this->getSrcSize() == 2);
      emitIASRegOpTyXMM(Func, Ty, this->getDest(), this->getSrc(1), Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseBinopXmm(Cfg *Func, Variable *Dest, Operand *Source,
                        Type ArithmeticTypeOverride = IceType_void)
        : InstX86Base(Func, K, 2, Dest),
          ArithmeticTypeOverride(ArithmeticTypeOverride) {
      this->addSource(Dest);
      this->addSource(Source);
    }

    const Type ArithmeticTypeOverride;
    static const char *Opcode;
    static const XmmEmitterRegOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K, bool AllowAllTypes = false>
  class InstX86BaseBinopXmmShift : public InstX86Base {
    InstX86BaseBinopXmmShift() = delete;
    InstX86BaseBinopXmmShift(const InstX86BaseBinopXmmShift &) = delete;
    InstX86BaseBinopXmmShift &
    operator=(const InstX86BaseBinopXmmShift &) = delete;

  public:
    using Base = InstX86BaseBinopXmmShift<K, AllowAllTypes>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      this->validateVectorAddrMode();
      // Shift operations are always integral, and hence always need a suffix.
      const Type DestTy = this->getDest()->getType();
      this->emitTwoAddress(Func, this->Opcode,
                           Traits::TypeAttributes[DestTy].IntegralString);
    }
    void emitIAS(const Cfg *Func) const override {
      this->validateVectorAddrMode();
      Type Ty = this->getDest()->getType();
      assert(AllowAllTypes || isVectorType(Ty));
      Type ElementTy = typeElementType(Ty);
      assert(this->getSrcSize() == 2);
      emitIASXmmShift(Func, ElementTy, this->getDest(), this->getSrc(1),
                      Emitter);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseBinopXmmShift(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86Base(Func, K, 2, Dest) {
      this->addSource(Dest);
      this->addSource(Source);
    }

    static const char *Opcode;
    static const XmmEmitterShiftOp Emitter;
  };

  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseTernop : public InstX86Base {
    InstX86BaseTernop() = delete;
    InstX86BaseTernop(const InstX86BaseTernop &) = delete;
    InstX86BaseTernop &operator=(const InstX86BaseTernop &) = delete;

  public:
    using Base = InstX86BaseTernop<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrEmit();
      assert(this->getSrcSize() == 3);
      Str << "\t" << Opcode << "\t";
      this->getSrc(2)->emit(Func);
      Str << ", ";
      this->getSrc(1)->emit(Func);
      Str << ", ";
      this->getDest()->emit(Func);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseTernop(Cfg *Func, Variable *Dest, Operand *Source1,
                      Operand *Source2)
        : InstX86Base(Func, K, 3, Dest) {
      this->addSource(Dest);
      this->addSource(Source1);
      this->addSource(Source2);
    }

    static const char *Opcode;
  };

  // Instructions of the form x := y op z
  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseThreeAddressop : public InstX86Base {
    InstX86BaseThreeAddressop() = delete;
    InstX86BaseThreeAddressop(const InstX86BaseThreeAddressop &) = delete;
    InstX86BaseThreeAddressop &
    operator=(const InstX86BaseThreeAddressop &) = delete;

  public:
    using Base = InstX86BaseThreeAddressop<K>;

    void emit(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrEmit();
      assert(this->getSrcSize() == 2);
      Str << "\t" << Opcode << "\t";
      this->getSrc(1)->emit(Func);
      Str << ", ";
      this->getSrc(0)->emit(Func);
      Str << ", ";
      this->getDest()->emit(Func);
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      this->dumpDest(Func);
      Str << " = " << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseThreeAddressop(Cfg *Func, Variable *Dest, Operand *Source0,
                              Operand *Source1)
        : InstX86Base(Func, K, 2, Dest) {
      this->addSource(Source0);
      this->addSource(Source1);
    }

    static const char *Opcode;
  };

  /// Base class for assignment instructions
  template <typename InstX86Base::InstKindX86 K>
  class InstX86BaseMovlike : public InstX86Base {
    InstX86BaseMovlike() = delete;
    InstX86BaseMovlike(const InstX86BaseMovlike &) = delete;
    InstX86BaseMovlike &operator=(const InstX86BaseMovlike &) = delete;

  public:
    using Base = InstX86BaseMovlike<K>;

    bool isRedundantAssign() const override {
      if (const auto *SrcVar =
              llvm::dyn_cast<const Variable>(this->getSrc(0))) {
        if (SrcVar->hasReg() && this->Dest->hasReg()) {
          // An assignment between physical registers is considered redundant if
          // they have the same base register and the same encoding. E.g.:
          //   mov cl, ecx ==> redundant
          //   mov ch, ecx ==> not redundant due to different encodings
          //   mov ch, ebp ==> not redundant due to different base registers
          //   mov ecx, ecx ==> redundant, and dangerous in x86-64. i64 zexting
          //                    is handled by Inst86Zext.
          const auto SrcReg = SrcVar->getRegNum();
          const auto DestReg = this->Dest->getRegNum();
          return (Traits::getEncoding(SrcReg) ==
                  Traits::getEncoding(DestReg)) &&
                 (Traits::getBaseReg(SrcReg) == Traits::getBaseReg(DestReg));
        }
      }
      return checkForRedundantAssign(this->getDest(), this->getSrc(0));
    }
    bool isVarAssign() const override {
      return llvm::isa<Variable>(this->getSrc(0));
    }
    void dump(const Cfg *Func) const override {
      if (!BuildDefs::dump())
        return;
      Ostream &Str = Func->getContext()->getStrDump();
      Str << Opcode << "." << this->getDest()->getType() << " ";
      this->dumpDest(Func);
      Str << ", ";
      this->dumpSources(Func);
    }
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::K);
    }

  protected:
    InstX86BaseMovlike(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86Base(Func, K, 1, Dest) {
      this->addSource(Source);
      // For an integer assignment, make sure it's either a same-type assignment
      // or a truncation.
      assert(!isScalarIntegerType(Dest->getType()) ||
             (typeWidthInBytes(Dest->getType()) <=
              typeWidthInBytes(Source->getType())));
    }

    static const char *Opcode;
  };

  class InstX86Bswap : public InstX86BaseInplaceopGPR<InstX86Base::Bswap> {
  public:
    static InstX86Bswap *create(Cfg *Func, Operand *SrcDest) {
      return new (Func->allocate<InstX86Bswap>()) InstX86Bswap(Func, SrcDest);
    }

  private:
    InstX86Bswap(Cfg *Func, Operand *SrcDest)
        : InstX86BaseInplaceopGPR<InstX86Base::Bswap>(Func, SrcDest) {}
  };

  class InstX86Neg : public InstX86BaseInplaceopGPR<InstX86Base::Neg> {
  public:
    static InstX86Neg *create(Cfg *Func, Operand *SrcDest) {
      return new (Func->allocate<InstX86Neg>()) InstX86Neg(Func, SrcDest);
    }

  private:
    InstX86Neg(Cfg *Func, Operand *SrcDest)
        : InstX86BaseInplaceopGPR<InstX86Base::Neg>(Func, SrcDest) {}
  };

  class InstX86Bsf : public InstX86BaseUnaryopGPR<InstX86Base::Bsf> {
  public:
    static InstX86Bsf *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Bsf>()) InstX86Bsf(Func, Dest, Src);
    }

  private:
    InstX86Bsf(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Bsf>(Func, Dest, Src) {}
  };

  class InstX86Bsr : public InstX86BaseUnaryopGPR<InstX86Base::Bsr> {
  public:
    static InstX86Bsr *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Bsr>()) InstX86Bsr(Func, Dest, Src);
    }

  private:
    InstX86Bsr(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Bsr>(Func, Dest, Src) {}
  };

  class InstX86Lea : public InstX86BaseUnaryopGPR<InstX86Base::Lea> {
  public:
    static InstX86Lea *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Lea>()) InstX86Lea(Func, Dest, Src);
    }

    void emit(const Cfg *Func) const override;

  private:
    InstX86Lea(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Lea>(Func, Dest, Src) {}
  };

  // Cbwdq instruction - wrapper for cbw, cwd, and cdq
  class InstX86Cbwdq : public InstX86BaseUnaryopGPR<InstX86Base::Cbwdq> {
  public:
    static InstX86Cbwdq *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Cbwdq>()) InstX86Cbwdq(Func, Dest, Src);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Cbwdq(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Cbwdq>(Func, Dest, Src) {}
  };

  class InstX86Movsx : public InstX86BaseUnaryopGPR<InstX86Base::Movsx> {
  public:
    static InstX86Movsx *create(Cfg *Func, Variable *Dest, Operand *Src) {
      assert(typeWidthInBytes(Dest->getType()) >
             typeWidthInBytes(Src->getType()));
      return new (Func->allocate<InstX86Movsx>()) InstX86Movsx(Func, Dest, Src);
    }

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Movsx(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Movsx>(Func, Dest, Src) {}
  };

  class InstX86Movzx : public InstX86BaseUnaryopGPR<InstX86Base::Movzx> {
  public:
    static InstX86Movzx *create(Cfg *Func, Variable *Dest, Operand *Src) {
      assert(typeWidthInBytes(Dest->getType()) >
             typeWidthInBytes(Src->getType()));
      return new (Func->allocate<InstX86Movzx>()) InstX86Movzx(Func, Dest, Src);
    }

    void emit(const Cfg *Func) const override;

    void emitIAS(const Cfg *Func) const override;

    void setMustKeep() { MustKeep = true; }

  private:
    bool MustKeep = false;

    InstX86Movzx(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopGPR<InstX86Base::Movzx>(Func, Dest, Src) {}

    bool mayBeElided(const Variable *Dest, const Operand *Src) const;
  };

  class InstX86Movd : public InstX86BaseUnaryopXmm<InstX86Base::Movd> {
  public:
    static InstX86Movd *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Movd>()) InstX86Movd(Func, Dest, Src);
    }

    void emit(const Cfg *Func) const override;

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Movd(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopXmm<InstX86Base::Movd>(Func, Dest, Src) {}
  };

  class InstX86Sqrtss : public InstX86BaseUnaryopXmm<InstX86Base::Sqrtss> {
  public:
    static InstX86Sqrtss *create(Cfg *Func, Variable *Dest, Operand *Src) {
      return new (Func->allocate<InstX86Sqrtss>())
          InstX86Sqrtss(Func, Dest, Src);
    }

    virtual void emit(const Cfg *Func) const override;

  private:
    InstX86Sqrtss(Cfg *Func, Variable *Dest, Operand *Src)
        : InstX86BaseUnaryopXmm<InstX86Base::Sqrtss>(Func, Dest, Src) {}
  };

  /// Move/assignment instruction - wrapper for mov/movss/movsd.
  class InstX86Mov : public InstX86BaseMovlike<InstX86Base::Mov> {
  public:
    static InstX86Mov *create(Cfg *Func, Variable *Dest, Operand *Source) {
      assert(!isScalarIntegerType(Dest->getType()) ||
             (typeWidthInBytes(Dest->getType()) <=
              typeWidthInBytes(Source->getType())));
      return new (Func->allocate<InstX86Mov>()) InstX86Mov(Func, Dest, Source);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Mov(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseMovlike<InstX86Base::Mov>(Func, Dest, Source) {}
  };

  /// Move packed - copy 128 bit values between XMM registers, or mem128 and XMM
  /// registers.
  class InstX86Movp : public InstX86BaseMovlike<InstX86Base::Movp> {
  public:
    static InstX86Movp *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Movp>())
          InstX86Movp(Func, Dest, Source);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Movp(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseMovlike<InstX86Base::Movp>(Func, Dest, Source) {}
  };

  /// Movq - copy between XMM registers, or mem64 and XMM registers.
  class InstX86Movq : public InstX86BaseMovlike<InstX86Base::Movq> {
  public:
    static InstX86Movq *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Movq>())
          InstX86Movq(Func, Dest, Source);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Movq(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseMovlike<InstX86Base::Movq>(Func, Dest, Source) {}
  };

  class InstX86Add : public InstX86BaseBinopGPR<InstX86Base::Add> {
  public:
    static InstX86Add *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Add>()) InstX86Add(Func, Dest, Source);
    }

  private:
    InstX86Add(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Add>(Func, Dest, Source) {}
  };

  class InstX86AddRMW : public InstX86BaseBinopRMW<InstX86Base::AddRMW> {
  public:
    static InstX86AddRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86AddRMW>())
          InstX86AddRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86AddRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::AddRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Addps
      : public InstX86BaseBinopXmm<InstX86Base::Addps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Addps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Addps>())
          InstX86Addps(Func, Dest, Source);
    }

  private:
    InstX86Addps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Addps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Adc : public InstX86BaseBinopGPR<InstX86Base::Adc> {
  public:
    static InstX86Adc *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Adc>()) InstX86Adc(Func, Dest, Source);
    }

  private:
    InstX86Adc(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Adc>(Func, Dest, Source) {}
  };

  class InstX86AdcRMW : public InstX86BaseBinopRMW<InstX86Base::AdcRMW> {
  public:
    static InstX86AdcRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86AdcRMW>())
          InstX86AdcRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86AdcRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::AdcRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Addss
      : public InstX86BaseBinopXmm<InstX86Base::Addss, false,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Addss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Addss>())
          InstX86Addss(Func, Dest, Source);
    }

  private:
    InstX86Addss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Addss, false,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Padd
      : public InstX86BaseBinopXmm<InstX86Base::Padd, true,
                                   InstX86Base::SseSuffix::Integral> {
  public:
    static InstX86Padd *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Padd>())
          InstX86Padd(Func, Dest, Source);
    }

  private:
    InstX86Padd(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Padd, true,
                              InstX86Base::SseSuffix::Integral>(Func, Dest,
                                                                Source) {}
  };

  class InstX86Sub : public InstX86BaseBinopGPR<InstX86Base::Sub> {
  public:
    static InstX86Sub *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Sub>()) InstX86Sub(Func, Dest, Source);
    }

  private:
    InstX86Sub(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Sub>(Func, Dest, Source) {}
  };

  class InstX86SubRMW : public InstX86BaseBinopRMW<InstX86Base::SubRMW> {
  public:
    static InstX86SubRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86SubRMW>())
          InstX86SubRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86SubRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::SubRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Subps
      : public InstX86BaseBinopXmm<InstX86Base::Subps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Subps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Subps>())
          InstX86Subps(Func, Dest, Source);
    }

  private:
    InstX86Subps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Subps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Subss
      : public InstX86BaseBinopXmm<InstX86Base::Subss, false,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Subss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Subss>())
          InstX86Subss(Func, Dest, Source);
    }

  private:
    InstX86Subss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Subss, false,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Sbb : public InstX86BaseBinopGPR<InstX86Base::Sbb> {
  public:
    static InstX86Sbb *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Sbb>()) InstX86Sbb(Func, Dest, Source);
    }

  private:
    InstX86Sbb(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Sbb>(Func, Dest, Source) {}
  };

  class InstX86SbbRMW : public InstX86BaseBinopRMW<InstX86Base::SbbRMW> {
  public:
    static InstX86SbbRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86SbbRMW>())
          InstX86SbbRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86SbbRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::SbbRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Psub
      : public InstX86BaseBinopXmm<InstX86Base::Psub, true,
                                   InstX86Base::SseSuffix::Integral> {
  public:
    static InstX86Psub *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Psub>())
          InstX86Psub(Func, Dest, Source);
    }

  private:
    InstX86Psub(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Psub, true,
                              InstX86Base::SseSuffix::Integral>(Func, Dest,
                                                                Source) {}
  };

  class InstX86And : public InstX86BaseBinopGPR<InstX86Base::And> {
  public:
    static InstX86And *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86And>()) InstX86And(Func, Dest, Source);
    }

  private:
    InstX86And(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::And>(Func, Dest, Source) {}
  };

  class InstX86Andnps
      : public InstX86BaseBinopXmm<InstX86Base::Andnps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Andnps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Andnps>())
          InstX86Andnps(Func, Dest, Source);
    }

  private:
    InstX86Andnps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Andnps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Andps
      : public InstX86BaseBinopXmm<InstX86Base::Andps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Andps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Andps>())
          InstX86Andps(Func, Dest, Source);
    }

  private:
    InstX86Andps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Andps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86AndRMW : public InstX86BaseBinopRMW<InstX86Base::AndRMW> {
  public:
    static InstX86AndRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86AndRMW>())
          InstX86AndRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86AndRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::AndRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Pand : public InstX86BaseBinopXmm<InstX86Base::Pand, false,
                                                 InstX86Base::SseSuffix::None> {
  public:
    static InstX86Pand *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Pand>())
          InstX86Pand(Func, Dest, Source);
    }

  private:
    InstX86Pand(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pand, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Pandn
      : public InstX86BaseBinopXmm<InstX86Base::Pandn, false,
                                   InstX86Base::SseSuffix::None> {
  public:
    static InstX86Pandn *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Pandn>())
          InstX86Pandn(Func, Dest, Source);
    }

  private:
    InstX86Pandn(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pandn, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Maxss
      : public InstX86BaseBinopXmm<InstX86Base::Maxss, true,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Maxss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Maxss>())
          InstX86Maxss(Func, Dest, Source);
    }

  private:
    InstX86Maxss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Maxss, true,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Minss
      : public InstX86BaseBinopXmm<InstX86Base::Minss, true,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Minss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Minss>())
          InstX86Minss(Func, Dest, Source);
    }

  private:
    InstX86Minss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Minss, true,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Or : public InstX86BaseBinopGPR<InstX86Base::Or> {
  public:
    static InstX86Or *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Or>()) InstX86Or(Func, Dest, Source);
    }

  private:
    InstX86Or(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Or>(Func, Dest, Source) {}
  };

  class InstX86Orps
      : public InstX86BaseBinopXmm<InstX86Base::Orps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Orps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Orps>())
          InstX86Orps(Func, Dest, Source);
    }

  private:
    InstX86Orps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Orps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86OrRMW : public InstX86BaseBinopRMW<InstX86Base::OrRMW> {
  public:
    static InstX86OrRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                Operand *Src1) {
      return new (Func->allocate<InstX86OrRMW>())
          InstX86OrRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86OrRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::OrRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Por : public InstX86BaseBinopXmm<InstX86Base::Por, false,
                                                InstX86Base::SseSuffix::None> {
  public:
    static InstX86Por *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Por>()) InstX86Por(Func, Dest, Source);
    }

  private:
    InstX86Por(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Por, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Xor : public InstX86BaseBinopGPR<InstX86Base::Xor> {
  public:
    static InstX86Xor *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Xor>()) InstX86Xor(Func, Dest, Source);
    }

  private:
    InstX86Xor(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Xor>(Func, Dest, Source) {}
  };

  class InstX86Xorps
      : public InstX86BaseBinopXmm<InstX86Base::Xorps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Xorps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Xorps>())
          InstX86Xorps(Func, Dest, Source);
    }

  private:
    InstX86Xorps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Xorps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86XorRMW : public InstX86BaseBinopRMW<InstX86Base::XorRMW> {
  public:
    static InstX86XorRMW *create(Cfg *Func, X86OperandMem *DestSrc0,
                                 Operand *Src1) {
      return new (Func->allocate<InstX86XorRMW>())
          InstX86XorRMW(Func, DestSrc0, Src1);
    }

  private:
    InstX86XorRMW(Cfg *Func, X86OperandMem *DestSrc0, Operand *Src1)
        : InstX86BaseBinopRMW<InstX86Base::XorRMW>(Func, DestSrc0, Src1) {}
  };

  class InstX86Pxor : public InstX86BaseBinopXmm<InstX86Base::Pxor, false,
                                                 InstX86Base::SseSuffix::None> {
  public:
    static InstX86Pxor *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Pxor>())
          InstX86Pxor(Func, Dest, Source);
    }

  private:
    InstX86Pxor(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pxor, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Imul : public InstX86BaseBinopGPR<InstX86Base::Imul> {
  public:
    static InstX86Imul *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Imul>())
          InstX86Imul(Func, Dest, Source);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Imul(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPR<InstX86Base::Imul>(Func, Dest, Source) {}
  };

  class InstX86ImulImm
      : public InstX86BaseThreeAddressop<InstX86Base::ImulImm> {
  public:
    static InstX86ImulImm *create(Cfg *Func, Variable *Dest, Operand *Source0,
                                  Operand *Source1) {
      return new (Func->allocate<InstX86ImulImm>())
          InstX86ImulImm(Func, Dest, Source0, Source1);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86ImulImm(Cfg *Func, Variable *Dest, Operand *Source0,
                   Operand *Source1)
        : InstX86BaseThreeAddressop<InstX86Base::ImulImm>(Func, Dest, Source0,
                                                          Source1) {}
  };

  class InstX86Mulps
      : public InstX86BaseBinopXmm<InstX86Base::Mulps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Mulps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Mulps>())
          InstX86Mulps(Func, Dest, Source);
    }

  private:
    InstX86Mulps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Mulps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Mulss
      : public InstX86BaseBinopXmm<InstX86Base::Mulss, false,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Mulss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Mulss>())
          InstX86Mulss(Func, Dest, Source);
    }

  private:
    InstX86Mulss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Mulss, false,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Pmull
      : public InstX86BaseBinopXmm<InstX86Base::Pmull, true,
                                   InstX86Base::SseSuffix::Integral> {
  public:
    static InstX86Pmull *create(Cfg *Func, Variable *Dest, Operand *Source) {
      bool TypesAreValid =
          Dest->getType() == IceType_v4i32 || Dest->getType() == IceType_v8i16;
      auto *Target = InstX86Base::getTarget(Func);
      bool InstructionSetIsValid =
          Dest->getType() == IceType_v8i16 ||
          Target->getInstructionSet() >= Traits::SSE4_1;
      (void)TypesAreValid;
      (void)InstructionSetIsValid;
      assert(TypesAreValid);
      assert(InstructionSetIsValid);
      return new (Func->allocate<InstX86Pmull>())
          InstX86Pmull(Func, Dest, Source);
    }

  private:
    InstX86Pmull(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pmull, true,
                              InstX86Base::SseSuffix::Integral>(Func, Dest,
                                                                Source) {}
  };

  class InstX86Pmuludq
      : public InstX86BaseBinopXmm<InstX86Base::Pmuludq, false,
                                   InstX86Base::SseSuffix::None> {
  public:
    static InstX86Pmuludq *create(Cfg *Func, Variable *Dest, Operand *Source) {
      assert(Dest->getType() == IceType_v4i32 &&
             Source->getType() == IceType_v4i32);
      return new (Func->allocate<InstX86Pmuludq>())
          InstX86Pmuludq(Func, Dest, Source);
    }

  private:
    InstX86Pmuludq(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pmuludq, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Divps
      : public InstX86BaseBinopXmm<InstX86Base::Divps, true,
                                   InstX86Base::SseSuffix::Packed> {
  public:
    static InstX86Divps *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Divps>())
          InstX86Divps(Func, Dest, Source);
    }

  private:
    InstX86Divps(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Divps, true,
                              InstX86Base::SseSuffix::Packed>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Divss
      : public InstX86BaseBinopXmm<InstX86Base::Divss, false,
                                   InstX86Base::SseSuffix::Scalar> {
  public:
    static InstX86Divss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Divss>())
          InstX86Divss(Func, Dest, Source);
    }

  private:
    InstX86Divss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Divss, false,
                              InstX86Base::SseSuffix::Scalar>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Rol : public InstX86BaseBinopGPRShift<InstX86Base::Rol> {
  public:
    static InstX86Rol *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Rol>()) InstX86Rol(Func, Dest, Source);
    }

  private:
    InstX86Rol(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPRShift<InstX86Base::Rol>(Func, Dest, Source) {}
  };

  class InstX86Shl : public InstX86BaseBinopGPRShift<InstX86Base::Shl> {
  public:
    static InstX86Shl *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Shl>()) InstX86Shl(Func, Dest, Source);
    }

  private:
    InstX86Shl(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPRShift<InstX86Base::Shl>(Func, Dest, Source) {}
  };

  class InstX86Psll : public InstX86BaseBinopXmmShift<InstX86Base::Psll> {
  public:
    static InstX86Psll *create(Cfg *Func, Variable *Dest, Operand *Source) {
      assert(
          Dest->getType() == IceType_v8i16 || Dest->getType() == IceType_v8i1 ||
          Dest->getType() == IceType_v4i32 || Dest->getType() == IceType_v4i1);
      return new (Func->allocate<InstX86Psll>())
          InstX86Psll(Func, Dest, Source);
    }

  private:
    InstX86Psll(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmmShift<InstX86Base::Psll>(Func, Dest, Source) {}
  };

  class InstX86Psrl : public InstX86BaseBinopXmmShift<InstX86Base::Psrl, true> {
  public:
    static InstX86Psrl *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Psrl>())
          InstX86Psrl(Func, Dest, Source);
    }

  private:
    InstX86Psrl(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmmShift<InstX86Base::Psrl, true>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Shr : public InstX86BaseBinopGPRShift<InstX86Base::Shr> {
  public:
    static InstX86Shr *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Shr>()) InstX86Shr(Func, Dest, Source);
    }

  private:
    InstX86Shr(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPRShift<InstX86Base::Shr>(Func, Dest, Source) {}
  };

  class InstX86Sar : public InstX86BaseBinopGPRShift<InstX86Base::Sar> {
  public:
    static InstX86Sar *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Sar>()) InstX86Sar(Func, Dest, Source);
    }

  private:
    InstX86Sar(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopGPRShift<InstX86Base::Sar>(Func, Dest, Source) {}
  };

  class InstX86Psra : public InstX86BaseBinopXmmShift<InstX86Base::Psra> {
  public:
    static InstX86Psra *create(Cfg *Func, Variable *Dest, Operand *Source) {
      assert(
          Dest->getType() == IceType_v8i16 || Dest->getType() == IceType_v8i1 ||
          Dest->getType() == IceType_v4i32 || Dest->getType() == IceType_v4i1);
      return new (Func->allocate<InstX86Psra>())
          InstX86Psra(Func, Dest, Source);
    }

  private:
    InstX86Psra(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmmShift<InstX86Base::Psra>(Func, Dest, Source) {}
  };

  class InstX86Pcmpeq
      : public InstX86BaseBinopXmm<InstX86Base::Pcmpeq, true,
                                   InstX86Base::SseSuffix::Integral> {
  public:
    static InstX86Pcmpeq *create(Cfg *Func, Variable *Dest, Operand *Source,
                                 Type ArithmeticTypeOverride = IceType_void) {
      const Type Ty = ArithmeticTypeOverride == IceType_void
                          ? Dest->getType()
                          : ArithmeticTypeOverride;
      (void)Ty;
      assert((Ty != IceType_f64 && Ty != IceType_i64) ||
             InstX86Base::getTarget(Func)->getInstructionSet() >=
                 Traits::SSE4_1);
      return new (Func->allocate<InstX86Pcmpeq>())
          InstX86Pcmpeq(Func, Dest, Source, ArithmeticTypeOverride);
    }

  private:
    InstX86Pcmpeq(Cfg *Func, Variable *Dest, Operand *Source,
                  Type ArithmeticTypeOverride)
        : InstX86BaseBinopXmm<InstX86Base::Pcmpeq, true,
                              InstX86Base::SseSuffix::Integral>(
              Func, Dest, Source, ArithmeticTypeOverride) {}
  };

  class InstX86Pcmpgt
      : public InstX86BaseBinopXmm<InstX86Base::Pcmpgt, true,
                                   InstX86Base::SseSuffix::Integral> {
  public:
    static InstX86Pcmpgt *create(Cfg *Func, Variable *Dest, Operand *Source) {
      assert(Dest->getType() != IceType_f64 ||
             InstX86Base::getTarget(Func)->getInstructionSet() >=
                 Traits::SSE4_1);
      return new (Func->allocate<InstX86Pcmpgt>())
          InstX86Pcmpgt(Func, Dest, Source);
    }

  private:
    InstX86Pcmpgt(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pcmpgt, true,
                              InstX86Base::SseSuffix::Integral>(Func, Dest,
                                                                Source) {}
  };

  /// movss is only a binary operation when the source and dest operands are
  /// both registers (the high bits of dest are left untouched). In other cases,
  /// it behaves like a copy (mov-like) operation (and the high bits of dest are
  /// cleared). InstX86Movss will assert that both its source and dest operands
  /// are registers, so the lowering code should use _mov instead of _movss in
  /// cases where a copy operation is intended.
  class InstX86MovssRegs
      : public InstX86BaseBinopXmm<InstX86Base::MovssRegs, false,
                                   InstX86Base::SseSuffix::None> {
  public:
    static InstX86MovssRegs *create(Cfg *Func, Variable *Dest,
                                    Operand *Source) {
      return new (Func->allocate<InstX86MovssRegs>())
          InstX86MovssRegs(Func, Dest, Source);
    }

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86MovssRegs(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::MovssRegs, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Idiv : public InstX86BaseTernop<InstX86Base::Idiv> {
  public:
    static InstX86Idiv *create(Cfg *Func, Variable *Dest, Operand *Source1,
                               Operand *Source2) {
      return new (Func->allocate<InstX86Idiv>())
          InstX86Idiv(Func, Dest, Source1, Source2);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Idiv(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Idiv>(Func, Dest, Source1, Source2) {}
  };

  class InstX86Div : public InstX86BaseTernop<InstX86Base::Div> {
  public:
    static InstX86Div *create(Cfg *Func, Variable *Dest, Operand *Source1,
                              Operand *Source2) {
      return new (Func->allocate<InstX86Div>())
          InstX86Div(Func, Dest, Source1, Source2);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Div(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Div>(Func, Dest, Source1, Source2) {}
  };

  class InstX86Insertps : public InstX86BaseTernop<InstX86Base::Insertps> {
  public:
    static InstX86Insertps *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                   Operand *Source2) {
      return new (Func->allocate<InstX86Insertps>())
          InstX86Insertps(Func, Dest, Source1, Source2);
    }

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Insertps(Cfg *Func, Variable *Dest, Operand *Source1,
                    Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Insertps>(Func, Dest, Source1,
                                                   Source2) {}
  };

  class InstX86Pinsr : public InstX86BaseTernop<InstX86Base::Pinsr> {
  public:
    static InstX86Pinsr *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                Operand *Source2) {
      // pinsrb and pinsrd are SSE4.1 instructions.
      assert(
          Dest->getType() == IceType_v8i16 || Dest->getType() == IceType_v8i1 ||
          InstX86Base::getTarget(Func)->getInstructionSet() >= Traits::SSE4_1);
      return new (Func->allocate<InstX86Pinsr>())
          InstX86Pinsr(Func, Dest, Source1, Source2);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Pinsr(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Pinsr>(Func, Dest, Source1, Source2) {}
  };

  class InstX86Shufps : public InstX86BaseTernop<InstX86Base::Shufps> {
  public:
    static InstX86Shufps *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                 Operand *Source2) {
      return new (Func->allocate<InstX86Shufps>())
          InstX86Shufps(Func, Dest, Source1, Source2);
    }

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Shufps(Cfg *Func, Variable *Dest, Operand *Source1, Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Shufps>(Func, Dest, Source1, Source2) {
    }
  };

  class InstX86Blendvps : public InstX86BaseTernop<InstX86Base::Blendvps> {
  public:
    static InstX86Blendvps *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                   Operand *Source2) {
      assert(InstX86Base::getTarget(Func)->getInstructionSet() >=
             Traits::SSE4_1);
      return new (Func->allocate<InstX86Blendvps>())
          InstX86Blendvps(Func, Dest, Source1, Source2);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Fund) const override;

  private:
    InstX86Blendvps(Cfg *Func, Variable *Dest, Operand *Source1,
                    Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Blendvps>(Func, Dest, Source1,
                                                   Source2) {}
  };

  class InstX86Pblendvb : public InstX86BaseTernop<InstX86Base::Pblendvb> {
  public:
    static InstX86Pblendvb *create(Cfg *Func, Variable *Dest, Operand *Source1,
                                   Operand *Source2) {
      assert(InstX86Base::getTarget(Func)->getInstructionSet() >=
             Traits::SSE4_1);
      return new (Func->allocate<InstX86Pblendvb>())
          InstX86Pblendvb(Func, Dest, Source1, Source2);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Pblendvb(Cfg *Func, Variable *Dest, Operand *Source1,
                    Operand *Source2)
        : InstX86BaseTernop<InstX86Base::Pblendvb>(Func, Dest, Source1,
                                                   Source2) {}
  };

  class InstX86Pextr : public InstX86BaseThreeAddressop<InstX86Base::Pextr> {
  public:
    static InstX86Pextr *create(Cfg *Func, Variable *Dest, Operand *Source0,
                                Operand *Source1) {
      assert(Source0->getType() == IceType_v8i16 ||
             Source0->getType() == IceType_v8i1 ||
             InstX86Base::getTarget(Func)->getInstructionSet() >=
                 Traits::SSE4_1);
      return new (Func->allocate<InstX86Pextr>())
          InstX86Pextr(Func, Dest, Source0, Source1);
    }

    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Pextr(Cfg *Func, Variable *Dest, Operand *Source0, Operand *Source1)
        : InstX86BaseThreeAddressop<InstX86Base::Pextr>(Func, Dest, Source0,
                                                        Source1) {}
  };

  class InstX86Pshufd : public InstX86BaseThreeAddressop<InstX86Base::Pshufd> {
  public:
    static InstX86Pshufd *create(Cfg *Func, Variable *Dest, Operand *Source0,
                                 Operand *Source1) {
      return new (Func->allocate<InstX86Pshufd>())
          InstX86Pshufd(Func, Dest, Source0, Source1);
    }

    void emitIAS(const Cfg *Func) const override;

  private:
    InstX86Pshufd(Cfg *Func, Variable *Dest, Operand *Source0, Operand *Source1)
        : InstX86BaseThreeAddressop<InstX86Base::Pshufd>(Func, Dest, Source0,
                                                         Source1) {}
  };

  /// Base class for a lockable x86-32 instruction (emits a locked prefix).
  class InstX86BaseLockable : public InstX86Base {
    InstX86BaseLockable() = delete;
    InstX86BaseLockable(const InstX86BaseLockable &) = delete;
    InstX86BaseLockable &operator=(const InstX86BaseLockable &) = delete;

  protected:
    bool Locked;

    InstX86BaseLockable(Cfg *Func, typename InstX86Base::InstKindX86 Kind,
                        SizeT Maxsrcs, Variable *Dest, bool Locked)
        : InstX86Base(Func, Kind, Maxsrcs, Dest), Locked(Locked) {
      // Assume that such instructions are used for Atomics and be careful with
      // optimizations.
      this->HasSideEffects = Locked;
    }
  };

  /// Mul instruction - unsigned multiply.
  class InstX86Mul final : public InstX86Base {
    InstX86Mul() = delete;
    InstX86Mul(const InstX86Mul &) = delete;
    InstX86Mul &operator=(const InstX86Mul &) = delete;

  public:
    static InstX86Mul *create(Cfg *Func, Variable *Dest, Variable *Source1,
                              Operand *Source2) {
      return new (Func->allocate<InstX86Mul>())
          InstX86Mul(Func, Dest, Source1, Source2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Mul);
    }

  private:
    InstX86Mul(Cfg *Func, Variable *Dest, Variable *Source1, Operand *Source2);
  };

  /// Shld instruction - shift across a pair of operands.
  class InstX86Shld final : public InstX86Base {
    InstX86Shld() = delete;
    InstX86Shld(const InstX86Shld &) = delete;
    InstX86Shld &operator=(const InstX86Shld &) = delete;

  public:
    static InstX86Shld *create(Cfg *Func, Variable *Dest, Variable *Source1,
                               Operand *Source2) {
      return new (Func->allocate<InstX86Shld>())
          InstX86Shld(Func, Dest, Source1, Source2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Shld);
    }

  private:
    InstX86Shld(Cfg *Func, Variable *Dest, Variable *Source1, Operand *Source2);
  };

  /// Shrd instruction - shift across a pair of operands.
  class InstX86Shrd final : public InstX86Base {
    InstX86Shrd() = delete;
    InstX86Shrd(const InstX86Shrd &) = delete;
    InstX86Shrd &operator=(const InstX86Shrd &) = delete;

  public:
    static InstX86Shrd *create(Cfg *Func, Variable *Dest, Variable *Source1,
                               Operand *Source2) {
      return new (Func->allocate<InstX86Shrd>())
          InstX86Shrd(Func, Dest, Source1, Source2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Shrd);
    }

  private:
    InstX86Shrd(Cfg *Func, Variable *Dest, Variable *Source1, Operand *Source2);
  };

  /// Conditional move instruction.
  class InstX86Cmov final : public InstX86Base {
    InstX86Cmov() = delete;
    InstX86Cmov(const InstX86Cmov &) = delete;
    InstX86Cmov &operator=(const InstX86Cmov &) = delete;

  public:
    static InstX86Cmov *create(Cfg *Func, Variable *Dest, Operand *Source,
                               BrCond Cond) {
      return new (Func->allocate<InstX86Cmov>())
          InstX86Cmov(Func, Dest, Source, Cond);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Cmov);
    }

  private:
    InstX86Cmov(Cfg *Func, Variable *Dest, Operand *Source, BrCond Cond);

    BrCond Condition;
  };

  /// Cmpps instruction - compare packed singled-precision floating point values
  class InstX86Cmpps final : public InstX86Base {
    InstX86Cmpps() = delete;
    InstX86Cmpps(const InstX86Cmpps &) = delete;
    InstX86Cmpps &operator=(const InstX86Cmpps &) = delete;

  public:
    static InstX86Cmpps *create(Cfg *Func, Variable *Dest, Operand *Source,
                                CmppsCond Condition) {
      return new (Func->allocate<InstX86Cmpps>())
          InstX86Cmpps(Func, Dest, Source, Condition);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Cmpps);
    }

  private:
    InstX86Cmpps(Cfg *Func, Variable *Dest, Operand *Source, CmppsCond Cond);

    CmppsCond Condition;
  };

  /// Cmpxchg instruction - cmpxchg <dest>, <desired> will compare if <dest>
  /// equals eax. If so, the ZF is set and <desired> is stored in <dest>. If
  /// not, ZF is cleared and <dest> is copied to eax (or subregister). <dest>
  /// can be a register or memory, while <desired> must be a register. It is
  /// the user's responsibility to mark eax with a FakeDef.
  class InstX86Cmpxchg final : public InstX86BaseLockable {
    InstX86Cmpxchg() = delete;
    InstX86Cmpxchg(const InstX86Cmpxchg &) = delete;
    InstX86Cmpxchg &operator=(const InstX86Cmpxchg &) = delete;

  public:
    static InstX86Cmpxchg *create(Cfg *Func, Operand *DestOrAddr, Variable *Eax,
                                  Variable *Desired, bool Locked) {
      return new (Func->allocate<InstX86Cmpxchg>())
          InstX86Cmpxchg(Func, DestOrAddr, Eax, Desired, Locked);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Cmpxchg);
    }

  private:
    InstX86Cmpxchg(Cfg *Func, Operand *DestOrAddr, Variable *Eax,
                   Variable *Desired, bool Locked);
  };

  /// Cmpxchg8b instruction - cmpxchg8b <m64> will compare if <m64> equals
  /// edx:eax. If so, the ZF is set and ecx:ebx is stored in <m64>. If not, ZF
  /// is cleared and <m64> is copied to edx:eax. The caller is responsible for
  /// inserting FakeDefs to mark edx and eax as modified. <m64> must be a memory
  /// operand.
  class InstX86Cmpxchg8b final : public InstX86BaseLockable {
    InstX86Cmpxchg8b() = delete;
    InstX86Cmpxchg8b(const InstX86Cmpxchg8b &) = delete;
    InstX86Cmpxchg8b &operator=(const InstX86Cmpxchg8b &) = delete;

  public:
    static InstX86Cmpxchg8b *create(Cfg *Func, X86OperandMem *Dest,
                                    Variable *Edx, Variable *Eax, Variable *Ecx,
                                    Variable *Ebx, bool Locked) {
      return new (Func->allocate<InstX86Cmpxchg8b>())
          InstX86Cmpxchg8b(Func, Dest, Edx, Eax, Ecx, Ebx, Locked);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Cmpxchg8b);
    }

  private:
    InstX86Cmpxchg8b(Cfg *Func, X86OperandMem *Dest, Variable *Edx,
                     Variable *Eax, Variable *Ecx, Variable *Ebx, bool Locked);
  };

  /// Cvt instruction - wrapper for cvtsX2sY where X and Y are in {s,d,i} as
  /// appropriate.  s=float, d=double, i=int. X and Y are determined from
  /// dest/src types. Sign and zero extension on the integer operand needs to be
  /// done separately.
  class InstX86Cvt final : public InstX86Base {
    InstX86Cvt() = delete;
    InstX86Cvt(const InstX86Cvt &) = delete;
    InstX86Cvt &operator=(const InstX86Cvt &) = delete;

  public:
    enum CvtVariant { Si2ss, Tss2si, Float2float, Dq2ps, Tps2dq };
    static InstX86Cvt *create(Cfg *Func, Variable *Dest, Operand *Source,
                              CvtVariant Variant) {
      return new (Func->allocate<InstX86Cvt>())
          InstX86Cvt(Func, Dest, Source, Variant);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Cvt);
    }
    bool isTruncating() const { return Variant == Tss2si || Variant == Tps2dq; }

  private:
    CvtVariant Variant;
    InstX86Cvt(Cfg *Func, Variable *Dest, Operand *Source, CvtVariant Variant);
  };

  /// cmp - Integer compare instruction.
  class InstX86Icmp final : public InstX86Base {
    InstX86Icmp() = delete;
    InstX86Icmp(const InstX86Icmp &) = delete;
    InstX86Icmp &operator=(const InstX86Icmp &) = delete;

  public:
    static InstX86Icmp *create(Cfg *Func, Operand *Src1, Operand *Src2) {
      return new (Func->allocate<InstX86Icmp>()) InstX86Icmp(Func, Src1, Src2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Icmp);
    }

  private:
    InstX86Icmp(Cfg *Func, Operand *Src1, Operand *Src2);
  };

  /// ucomiss/ucomisd - floating-point compare instruction.
  class InstX86Ucomiss final : public InstX86Base {
    InstX86Ucomiss() = delete;
    InstX86Ucomiss(const InstX86Ucomiss &) = delete;
    InstX86Ucomiss &operator=(const InstX86Ucomiss &) = delete;

  public:
    static InstX86Ucomiss *create(Cfg *Func, Operand *Src1, Operand *Src2) {
      return new (Func->allocate<InstX86Ucomiss>())
          InstX86Ucomiss(Func, Src1, Src2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Ucomiss);
    }

  private:
    InstX86Ucomiss(Cfg *Func, Operand *Src1, Operand *Src2);
  };

  /// UD2 instruction.
  class InstX86UD2 final : public InstX86Base {
    InstX86UD2() = delete;
    InstX86UD2(const InstX86UD2 &) = delete;
    InstX86UD2 &operator=(const InstX86UD2 &) = delete;

  public:
    static InstX86UD2 *create(Cfg *Func) {
      return new (Func->allocate<InstX86UD2>()) InstX86UD2(Func);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::UD2);
    }

  private:
    explicit InstX86UD2(Cfg *Func);
  };

  /// Int3 instruction.
  class InstX86Int3 final : public InstX86Base {
    InstX86Int3() = delete;
    InstX86Int3(const InstX86Int3 &) = delete;
    InstX86Int3 &operator=(const InstX86Int3 &) = delete;

  public:
    static InstX86Int3 *create(Cfg *Func) {
      return new (Func->allocate<InstX86Int3>()) InstX86Int3(Func);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Int3);
    }

  private:
    explicit InstX86Int3(Cfg *Func);
  };

  /// Test instruction.
  class InstX86Test final : public InstX86Base {
    InstX86Test() = delete;
    InstX86Test(const InstX86Test &) = delete;
    InstX86Test &operator=(const InstX86Test &) = delete;

  public:
    static InstX86Test *create(Cfg *Func, Operand *Source1, Operand *Source2) {
      return new (Func->allocate<InstX86Test>())
          InstX86Test(Func, Source1, Source2);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Test);
    }

  private:
    InstX86Test(Cfg *Func, Operand *Source1, Operand *Source2);
  };

  /// Mfence instruction.
  class InstX86Mfence final : public InstX86Base {
    InstX86Mfence() = delete;
    InstX86Mfence(const InstX86Mfence &) = delete;
    InstX86Mfence &operator=(const InstX86Mfence &) = delete;

  public:
    static InstX86Mfence *create(Cfg *Func) {
      return new (Func->allocate<InstX86Mfence>()) InstX86Mfence(Func);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Mfence);
    }

  private:
    explicit InstX86Mfence(Cfg *Func);
  };

  /// This is essentially a "mov" instruction with anX86OperandMem operand
  /// instead of Variable as the destination. It's important for liveness that
  /// there is no Dest operand.
  class InstX86Store final : public InstX86Base {
    InstX86Store() = delete;
    InstX86Store(const InstX86Store &) = delete;
    InstX86Store &operator=(const InstX86Store &) = delete;

  public:
    static InstX86Store *create(Cfg *Func, Operand *Value, X86Operand *Mem) {
      return new (Func->allocate<InstX86Store>())
          InstX86Store(Func, Value, Mem);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Store);
    }

  private:
    InstX86Store(Cfg *Func, Operand *Value, X86Operand *Mem);
  };

  /// This is essentially a vector "mov" instruction with an typename
  /// X86OperandMem operand instead of Variable as the destination. It's
  /// important for liveness that there is no Dest operand. The source must be
  /// an Xmm register, since Dest is mem.
  class InstX86StoreP final : public InstX86Base {
    InstX86StoreP() = delete;
    InstX86StoreP(const InstX86StoreP &) = delete;
    InstX86StoreP &operator=(const InstX86StoreP &) = delete;

  public:
    static InstX86StoreP *create(Cfg *Func, Variable *Value,
                                 X86OperandMem *Mem) {
      return new (Func->allocate<InstX86StoreP>())
          InstX86StoreP(Func, Value, Mem);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::StoreP);
    }

  private:
    InstX86StoreP(Cfg *Func, Variable *Value, X86OperandMem *Mem);
  };

  class InstX86StoreQ final : public InstX86Base {
    InstX86StoreQ() = delete;
    InstX86StoreQ(const InstX86StoreQ &) = delete;
    InstX86StoreQ &operator=(const InstX86StoreQ &) = delete;

  public:
    static InstX86StoreQ *create(Cfg *Func, Operand *Value,
                                 X86OperandMem *Mem) {
      return new (Func->allocate<InstX86StoreQ>())
          InstX86StoreQ(Func, Value, Mem);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::StoreQ);
    }

  private:
    InstX86StoreQ(Cfg *Func, Operand *Value, X86OperandMem *Mem);
  };

  class InstX86StoreD final : public InstX86Base {
    InstX86StoreD() = delete;
    InstX86StoreD(const InstX86StoreD &) = delete;
    InstX86StoreD &operator=(const InstX86StoreD &) = delete;

  public:
    static InstX86StoreD *create(Cfg *Func, Operand *Value,
                                 X86OperandMem *Mem) {
      return new (Func->allocate<InstX86StoreD>())
          InstX86StoreD(Func, Value, Mem);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::StoreQ);
    }

  private:
    InstX86StoreD(Cfg *Func, Operand *Value, X86OperandMem *Mem);
  };

  /// Nop instructions of varying length
  class InstX86Nop final : public InstX86Base {
    InstX86Nop() = delete;
    InstX86Nop(const InstX86Nop &) = delete;
    InstX86Nop &operator=(const InstX86Nop &) = delete;

  public:
    // TODO: Replace with enum.
    using NopVariant = unsigned;

    static InstX86Nop *create(Cfg *Func, NopVariant Variant) {
      return new (Func->allocate<InstX86Nop>()) InstX86Nop(Func, Variant);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Nop);
    }

  private:
    InstX86Nop(Cfg *Func, NopVariant Length);

    NopVariant Variant;
  };

  /// Fld - load a value onto the x87 FP stack.
  class InstX86Fld final : public InstX86Base {
    InstX86Fld() = delete;
    InstX86Fld(const InstX86Fld &) = delete;
    InstX86Fld &operator=(const InstX86Fld &) = delete;

  public:
    static InstX86Fld *create(Cfg *Func, Operand *Src) {
      return new (Func->allocate<InstX86Fld>()) InstX86Fld(Func, Src);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Fld);
    }

  private:
    InstX86Fld(Cfg *Func, Operand *Src);
  };

  /// Fstp - store x87 st(0) into memory and pop st(0).
  class InstX86Fstp final : public InstX86Base {
    InstX86Fstp() = delete;
    InstX86Fstp(const InstX86Fstp &) = delete;
    InstX86Fstp &operator=(const InstX86Fstp &) = delete;

  public:
    static InstX86Fstp *create(Cfg *Func, Variable *Dest) {
      return new (Func->allocate<InstX86Fstp>()) InstX86Fstp(Func, Dest);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Fstp);
    }

  private:
    InstX86Fstp(Cfg *Func, Variable *Dest);
  };

  class InstX86Pop final : public InstX86Base {
    InstX86Pop() = delete;
    InstX86Pop(const InstX86Pop &) = delete;
    InstX86Pop &operator=(const InstX86Pop &) = delete;

  public:
    static InstX86Pop *create(Cfg *Func, Variable *Dest) {
      return new (Func->allocate<InstX86Pop>()) InstX86Pop(Func, Dest);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Pop);
    }

  private:
    InstX86Pop(Cfg *Func, Variable *Dest);
  };

  class InstX86Push final : public InstX86Base {
    InstX86Push() = delete;
    InstX86Push(const InstX86Push &) = delete;
    InstX86Push &operator=(const InstX86Push &) = delete;

  public:
    static InstX86Push *create(Cfg *Func, InstX86Label *Label) {
      return new (Func->allocate<InstX86Push>()) InstX86Push(Func, Label);
    }
    static InstX86Push *create(Cfg *Func, Operand *Source) {
      return new (Func->allocate<InstX86Push>()) InstX86Push(Func, Source);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Push);
    }

  private:
    InstX86Label *Label = nullptr;

    InstX86Push(Cfg *Func, Operand *Source);
    InstX86Push(Cfg *Func, InstX86Label *Label);
  };

  /// Ret instruction. Currently only supports the "ret" version that does not
  /// pop arguments. This instruction takes a Source operand (for non-void
  /// returning functions) for liveness analysis, though a FakeUse before the
  /// ret would do just as well.
  class InstX86Ret final : public InstX86Base {
    InstX86Ret() = delete;
    InstX86Ret(const InstX86Ret &) = delete;
    InstX86Ret &operator=(const InstX86Ret &) = delete;

  public:
    static InstX86Ret *create(Cfg *Func, Variable *Source = nullptr) {
      return new (Func->allocate<InstX86Ret>()) InstX86Ret(Func, Source);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Ret);
    }

  private:
    InstX86Ret(Cfg *Func, Variable *Source);
  };

  /// Conditional set-byte instruction.
  class InstX86Setcc final : public InstX86Base {
    InstX86Setcc() = delete;
    InstX86Setcc(const InstX86Cmov &) = delete;
    InstX86Setcc &operator=(const InstX86Setcc &) = delete;

  public:
    static InstX86Setcc *create(Cfg *Func, Variable *Dest, BrCond Cond) {
      return new (Func->allocate<InstX86Setcc>())
          InstX86Setcc(Func, Dest, Cond);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Setcc);
    }

  private:
    InstX86Setcc(Cfg *Func, Variable *Dest, BrCond Cond);

    const BrCond Condition;
  };

  /// Exchanging Add instruction. Exchanges the first operand (destination
  /// operand) with the second operand (source operand), then loads the sum of
  /// the two values into the destination operand. The destination may be a
  /// register or memory, while the source must be a register.
  ///
  /// Both the dest and source are updated. The caller should then insert a
  /// FakeDef to reflect the second udpate.
  class InstX86Xadd final : public InstX86BaseLockable {
    InstX86Xadd() = delete;
    InstX86Xadd(const InstX86Xadd &) = delete;
    InstX86Xadd &operator=(const InstX86Xadd &) = delete;

  public:
    static InstX86Xadd *create(Cfg *Func, Operand *Dest, Variable *Source,
                               bool Locked) {
      return new (Func->allocate<InstX86Xadd>())
          InstX86Xadd(Func, Dest, Source, Locked);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Xadd);
    }

  private:
    InstX86Xadd(Cfg *Func, Operand *Dest, Variable *Source, bool Locked);
  };

  /// Exchange instruction. Exchanges the first operand (destination operand)
  /// with the second operand (source operand). At least one of the operands
  /// must be a register (and the other can be reg or mem). Both the Dest and
  /// Source are updated. If there is a memory operand, then the instruction is
  /// automatically "locked" without the need for a lock prefix.
  class InstX86Xchg final : public InstX86Base {
    InstX86Xchg() = delete;
    InstX86Xchg(const InstX86Xchg &) = delete;
    InstX86Xchg &operator=(const InstX86Xchg &) = delete;

  public:
    static InstX86Xchg *create(Cfg *Func, Operand *Dest, Variable *Source) {
      return new (Func->allocate<InstX86Xchg>())
          InstX86Xchg(Func, Dest, Source);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::Xchg);
    }

  private:
    InstX86Xchg(Cfg *Func, Operand *Dest, Variable *Source);
  };

  /// Start marker for the Intel Architecture Code Analyzer. This is not an
  /// executable instruction and must only be used for analysis.
  class InstX86IacaStart final : public InstX86Base {
    InstX86IacaStart() = delete;
    InstX86IacaStart(const InstX86IacaStart &) = delete;
    InstX86IacaStart &operator=(const InstX86IacaStart &) = delete;

  public:
    static InstX86IacaStart *create(Cfg *Func) {
      return new (Func->allocate<InstX86IacaStart>()) InstX86IacaStart(Func);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::IacaStart);
    }

  private:
    InstX86IacaStart(Cfg *Func);
  };

  /// End marker for the Intel Architecture Code Analyzer. This is not an
  /// executable instruction and must only be used for analysis.
  class InstX86IacaEnd final : public InstX86Base {
    InstX86IacaEnd() = delete;
    InstX86IacaEnd(const InstX86IacaEnd &) = delete;
    InstX86IacaEnd &operator=(const InstX86IacaEnd &) = delete;

  public:
    static InstX86IacaEnd *create(Cfg *Func) {
      return new (Func->allocate<InstX86IacaEnd>()) InstX86IacaEnd(Func);
    }
    void emit(const Cfg *Func) const override;
    void emitIAS(const Cfg *Func) const override;
    void dump(const Cfg *Func) const override;
    static bool classof(const Inst *Instr) {
      return InstX86Base::isClassof(Instr, InstX86Base::IacaEnd);
    }

  private:
    InstX86IacaEnd(Cfg *Func);
  };

  class InstX86Pshufb
      : public InstX86BaseBinopXmm<InstX86Base::Pshufb, false,
                                   InstX86Base::SseSuffix::None> {
  public:
    static InstX86Pshufb *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Pshufb>())
          InstX86Pshufb(Func, Dest, Source);
    }

  private:
    InstX86Pshufb(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Pshufb, false,
                              InstX86Base::SseSuffix::None>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Punpckl
      : public InstX86BaseBinopXmm<InstX86Base::Punpckl, false,
                                   InstX86Base::SseSuffix::Unpack> {
  public:
    static InstX86Punpckl *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Punpckl>())
          InstX86Punpckl(Func, Dest, Source);
    }

  private:
    InstX86Punpckl(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Punpckl, false,
                              InstX86Base::SseSuffix::Unpack>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Punpckh
      : public InstX86BaseBinopXmm<InstX86Base::Punpckh, false,
                                   InstX86Base::SseSuffix::Unpack> {
  public:
    static InstX86Punpckh *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Punpckh>())
          InstX86Punpckh(Func, Dest, Source);
    }

  private:
    InstX86Punpckh(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Punpckh, false,
                              InstX86Base::SseSuffix::Unpack>(Func, Dest,
                                                              Source) {}
  };

  class InstX86Packss
      : public InstX86BaseBinopXmm<InstX86Base::Packss, false,
                                   InstX86Base::SseSuffix::Pack> {
  public:
    static InstX86Packss *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Packss>())
          InstX86Packss(Func, Dest, Source);
    }

  private:
    InstX86Packss(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Packss, false,
                              InstX86Base::SseSuffix::Pack>(Func, Dest,
                                                            Source) {}
  };

  class InstX86Packus
      : public InstX86BaseBinopXmm<InstX86Base::Packus, false,
                                   InstX86Base::SseSuffix::Pack> {
  public:
    static InstX86Packus *create(Cfg *Func, Variable *Dest, Operand *Source) {
      return new (Func->allocate<InstX86Packus>())
          InstX86Packus(Func, Dest, Source);
    }

  private:
    InstX86Packus(Cfg *Func, Variable *Dest, Operand *Source)
        : InstX86BaseBinopXmm<InstX86Base::Packus, false,
                              InstX86Base::SseSuffix::Pack>(Func, Dest,
                                                            Source) {}
  };

}; // struct InstImpl

/// struct Insts is a template that can be used to instantiate all the X86
/// instructions for a target with a simple
///
/// using Insts = ::Ice::X86NAMESPACE::Insts<TraitsType>;
template <typename TraitsType> struct Insts {
  using GetIP = typename InstImpl<TraitsType>::InstX86GetIP;
  using FakeRMW = typename InstImpl<TraitsType>::InstX86FakeRMW;
  using Label = typename InstImpl<TraitsType>::InstX86Label;

  using Call = typename InstImpl<TraitsType>::InstX86Call;

  using Br = typename InstImpl<TraitsType>::InstX86Br;
  using Jmp = typename InstImpl<TraitsType>::InstX86Jmp;
  using Bswap = typename InstImpl<TraitsType>::InstX86Bswap;
  using Neg = typename InstImpl<TraitsType>::InstX86Neg;
  using Bsf = typename InstImpl<TraitsType>::InstX86Bsf;
  using Bsr = typename InstImpl<TraitsType>::InstX86Bsr;
  using Lea = typename InstImpl<TraitsType>::InstX86Lea;
  using Cbwdq = typename InstImpl<TraitsType>::InstX86Cbwdq;
  using Movsx = typename InstImpl<TraitsType>::InstX86Movsx;
  using Movzx = typename InstImpl<TraitsType>::InstX86Movzx;
  using Movd = typename InstImpl<TraitsType>::InstX86Movd;
  using Sqrtss = typename InstImpl<TraitsType>::InstX86Sqrtss;
  using Mov = typename InstImpl<TraitsType>::InstX86Mov;
  using Movp = typename InstImpl<TraitsType>::InstX86Movp;
  using Movq = typename InstImpl<TraitsType>::InstX86Movq;
  using Add = typename InstImpl<TraitsType>::InstX86Add;
  using AddRMW = typename InstImpl<TraitsType>::InstX86AddRMW;
  using Addps = typename InstImpl<TraitsType>::InstX86Addps;
  using Adc = typename InstImpl<TraitsType>::InstX86Adc;
  using AdcRMW = typename InstImpl<TraitsType>::InstX86AdcRMW;
  using Addss = typename InstImpl<TraitsType>::InstX86Addss;
  using Andnps = typename InstImpl<TraitsType>::InstX86Andnps;
  using Andps = typename InstImpl<TraitsType>::InstX86Andps;
  using Padd = typename InstImpl<TraitsType>::InstX86Padd;
  using Sub = typename InstImpl<TraitsType>::InstX86Sub;
  using SubRMW = typename InstImpl<TraitsType>::InstX86SubRMW;
  using Subps = typename InstImpl<TraitsType>::InstX86Subps;
  using Subss = typename InstImpl<TraitsType>::InstX86Subss;
  using Sbb = typename InstImpl<TraitsType>::InstX86Sbb;
  using SbbRMW = typename InstImpl<TraitsType>::InstX86SbbRMW;
  using Psub = typename InstImpl<TraitsType>::InstX86Psub;
  using And = typename InstImpl<TraitsType>::InstX86And;
  using AndRMW = typename InstImpl<TraitsType>::InstX86AndRMW;
  using Pand = typename InstImpl<TraitsType>::InstX86Pand;
  using Pandn = typename InstImpl<TraitsType>::InstX86Pandn;
  using Or = typename InstImpl<TraitsType>::InstX86Or;
  using Orps = typename InstImpl<TraitsType>::InstX86Orps;
  using OrRMW = typename InstImpl<TraitsType>::InstX86OrRMW;
  using Por = typename InstImpl<TraitsType>::InstX86Por;
  using Xor = typename InstImpl<TraitsType>::InstX86Xor;
  using Xorps = typename InstImpl<TraitsType>::InstX86Xorps;
  using XorRMW = typename InstImpl<TraitsType>::InstX86XorRMW;
  using Pxor = typename InstImpl<TraitsType>::InstX86Pxor;
  using Maxss = typename InstImpl<TraitsType>::InstX86Maxss;
  using Minss = typename InstImpl<TraitsType>::InstX86Minss;
  using Imul = typename InstImpl<TraitsType>::InstX86Imul;
  using ImulImm = typename InstImpl<TraitsType>::InstX86ImulImm;
  using Mulps = typename InstImpl<TraitsType>::InstX86Mulps;
  using Mulss = typename InstImpl<TraitsType>::InstX86Mulss;
  using Pmull = typename InstImpl<TraitsType>::InstX86Pmull;
  using Pmuludq = typename InstImpl<TraitsType>::InstX86Pmuludq;
  using Divps = typename InstImpl<TraitsType>::InstX86Divps;
  using Divss = typename InstImpl<TraitsType>::InstX86Divss;
  using Rol = typename InstImpl<TraitsType>::InstX86Rol;
  using Shl = typename InstImpl<TraitsType>::InstX86Shl;
  using Psll = typename InstImpl<TraitsType>::InstX86Psll;
  using Psrl = typename InstImpl<TraitsType>::InstX86Psrl;
  using Shr = typename InstImpl<TraitsType>::InstX86Shr;
  using Sar = typename InstImpl<TraitsType>::InstX86Sar;
  using Psra = typename InstImpl<TraitsType>::InstX86Psra;
  using Pcmpeq = typename InstImpl<TraitsType>::InstX86Pcmpeq;
  using Pcmpgt = typename InstImpl<TraitsType>::InstX86Pcmpgt;
  using MovssRegs = typename InstImpl<TraitsType>::InstX86MovssRegs;
  using Idiv = typename InstImpl<TraitsType>::InstX86Idiv;
  using Div = typename InstImpl<TraitsType>::InstX86Div;
  using Insertps = typename InstImpl<TraitsType>::InstX86Insertps;
  using Pinsr = typename InstImpl<TraitsType>::InstX86Pinsr;
  using Shufps = typename InstImpl<TraitsType>::InstX86Shufps;
  using Blendvps = typename InstImpl<TraitsType>::InstX86Blendvps;
  using Pblendvb = typename InstImpl<TraitsType>::InstX86Pblendvb;
  using Pextr = typename InstImpl<TraitsType>::InstX86Pextr;
  using Pshufd = typename InstImpl<TraitsType>::InstX86Pshufd;
  using Lockable = typename InstImpl<TraitsType>::InstX86BaseLockable;
  using Mul = typename InstImpl<TraitsType>::InstX86Mul;
  using Shld = typename InstImpl<TraitsType>::InstX86Shld;
  using Shrd = typename InstImpl<TraitsType>::InstX86Shrd;
  using Cmov = typename InstImpl<TraitsType>::InstX86Cmov;
  using Cmpps = typename InstImpl<TraitsType>::InstX86Cmpps;
  using Cmpxchg = typename InstImpl<TraitsType>::InstX86Cmpxchg;
  using Cmpxchg8b = typename InstImpl<TraitsType>::InstX86Cmpxchg8b;
  using Cvt = typename InstImpl<TraitsType>::InstX86Cvt;
  using Icmp = typename InstImpl<TraitsType>::InstX86Icmp;
  using Ucomiss = typename InstImpl<TraitsType>::InstX86Ucomiss;
  using UD2 = typename InstImpl<TraitsType>::InstX86UD2;
  using Int3 = typename InstImpl<TraitsType>::InstX86Int3;
  using Test = typename InstImpl<TraitsType>::InstX86Test;
  using Mfence = typename InstImpl<TraitsType>::InstX86Mfence;
  using Store = typename InstImpl<TraitsType>::InstX86Store;
  using StoreP = typename InstImpl<TraitsType>::InstX86StoreP;
  using StoreQ = typename InstImpl<TraitsType>::InstX86StoreQ;
  using StoreD = typename InstImpl<TraitsType>::InstX86StoreD;
  using Nop = typename InstImpl<TraitsType>::InstX86Nop;
  template <typename T = typename InstImpl<TraitsType>::Traits>
  using Fld =
      typename std::enable_if<T::UsesX87,
                              typename InstImpl<TraitsType>::InstX86Fld>::type;
  template <typename T = typename InstImpl<TraitsType>::Traits>
  using Fstp =
      typename std::enable_if<T::UsesX87,
                              typename InstImpl<TraitsType>::InstX86Fstp>::type;
  using Pop = typename InstImpl<TraitsType>::InstX86Pop;
  using Push = typename InstImpl<TraitsType>::InstX86Push;
  using Ret = typename InstImpl<TraitsType>::InstX86Ret;
  using Setcc = typename InstImpl<TraitsType>::InstX86Setcc;
  using Xadd = typename InstImpl<TraitsType>::InstX86Xadd;
  using Xchg = typename InstImpl<TraitsType>::InstX86Xchg;

  using IacaStart = typename InstImpl<TraitsType>::InstX86IacaStart;
  using IacaEnd = typename InstImpl<TraitsType>::InstX86IacaEnd;

  using Pshufb = typename InstImpl<TraitsType>::InstX86Pshufb;
  using Punpckl = typename InstImpl<TraitsType>::InstX86Punpckl;
  using Punpckh = typename InstImpl<TraitsType>::InstX86Punpckh;
  using Packss = typename InstImpl<TraitsType>::InstX86Packss;
  using Packus = typename InstImpl<TraitsType>::InstX86Packus;
};

/// X86 Instructions have static data (particularly, opcodes and instruction
/// emitters). Each X86 target needs to define all of these, so this macro is
/// provided so that, if something changes, then all X86 targets will be updated
/// automatically.
#define X86INSTS_DEFINE_STATIC_DATA(X86NAMESPACE, TraitsType)                  \
  namespace Ice {                                                              \
  namespace X86NAMESPACE {                                                     \
  /* In-place ops */                                                           \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Bswap::Base::Opcode = "bswap";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Neg::Base::Opcode = "neg";          \
  /* Unary ops */                                                              \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Bsf::Base::Opcode = "bsf";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Bsr::Base::Opcode = "bsr";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Lea::Base::Opcode = "lea";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Movd::Base::Opcode = "movd";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Movsx::Base::Opcode = "movs";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Movzx::Base::Opcode = "movz";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Sqrtss::Base::Opcode = "sqrtss";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Cbwdq::Base::Opcode =               \
      "cbw/cwd/cdq";                                                           \
  /* Mov-like ops */                                                           \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Mov::Base::Opcode = "mov";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Movp::Base::Opcode = "movups";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Movq::Base::Opcode = "movq";        \
  /* Binary ops */                                                             \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Add::Base::Opcode = "add";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86AddRMW::Base::Opcode = "add";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Addps::Base::Opcode = "add";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Adc::Base::Opcode = "adc";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86AdcRMW::Base::Opcode = "adc";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Addss::Base::Opcode = "add";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Andnps::Base::Opcode = "andn";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Andps::Base::Opcode = "and";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Maxss::Base::Opcode = "max";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Minss::Base::Opcode = "min";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Padd::Base::Opcode = "padd";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Sub::Base::Opcode = "sub";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86SubRMW::Base::Opcode = "sub";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Subps::Base::Opcode = "sub";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Subss::Base::Opcode = "sub";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Sbb::Base::Opcode = "sbb";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86SbbRMW::Base::Opcode = "sbb";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Psub::Base::Opcode = "psub";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86And::Base::Opcode = "and";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86AndRMW::Base::Opcode = "and";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pand::Base::Opcode = "pand";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pandn::Base::Opcode = "pandn";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Or::Base::Opcode = "or";            \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Orps::Base::Opcode = "or";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86OrRMW::Base::Opcode = "or";         \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Por::Base::Opcode = "por";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Xor::Base::Opcode = "xor";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Xorps::Base::Opcode = "xor";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86XorRMW::Base::Opcode = "xor";       \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pxor::Base::Opcode = "pxor";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Imul::Base::Opcode = "imul";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86ImulImm::Base::Opcode = "imul";     \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Mulps::Base::Opcode = "mul";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Mulss::Base::Opcode = "mul";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pmull::Base::Opcode = "pmull";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pmuludq::Base::Opcode = "pmuludq";  \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Div::Base::Opcode = "div";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Divps::Base::Opcode = "div";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Divss::Base::Opcode = "div";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Idiv::Base::Opcode = "idiv";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Rol::Base::Opcode = "rol";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Shl::Base::Opcode = "shl";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Psll::Base::Opcode = "psll";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Shr::Base::Opcode = "shr";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Sar::Base::Opcode = "sar";          \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Psra::Base::Opcode = "psra";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Psrl::Base::Opcode = "psrl";        \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pcmpeq::Base::Opcode = "pcmpeq";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pcmpgt::Base::Opcode = "pcmpgt";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86MovssRegs::Base::Opcode = "movss";  \
  /* Ternary ops */                                                            \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Insertps::Base::Opcode =            \
      "insertps";                                                              \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Shufps::Base::Opcode = "shufps";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pinsr::Base::Opcode = "pinsr";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Blendvps::Base::Opcode =            \
      "blendvps";                                                              \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pblendvb::Base::Opcode =            \
      "pblendvb";                                                              \
  /* Three address ops */                                                      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pextr::Base::Opcode = "pextr";      \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pshufd::Base::Opcode = "pshufd";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Pshufb::Base::Opcode = "pshufb";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Punpckl::Base::Opcode = "punpckl";  \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Punpckh::Base::Opcode = "punpckh";  \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Packss::Base::Opcode = "packss";    \
  template <>                                                                  \
  template <>                                                                  \
  const char *InstImpl<TraitsType>::InstX86Packus::Base::Opcode = "packus";    \
  /* Inplace GPR ops */                                                        \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterOneOp                       \
      InstImpl<TraitsType>::InstX86Bswap::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::bswap,                             \
          nullptr /* only a reg form exists */                                 \
  };                                                                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterOneOp                       \
      InstImpl<TraitsType>::InstX86Neg::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::neg,                               \
          &InstImpl<TraitsType>::Assembler::neg};                              \
                                                                               \
  /* Unary GPR ops */                                                          \
  template <>                                                                  \
  template <> /* uses specialized emitter. */                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Cbwdq::Base::Emitter = {nullptr, nullptr,   \
                                                           nullptr};           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Bsf::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::bsf,                               \
          &InstImpl<TraitsType>::Assembler::bsf, nullptr};                     \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Bsr::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::bsr,                               \
          &InstImpl<TraitsType>::Assembler::bsr, nullptr};                     \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Lea::Base::Emitter = {                      \
          /* reg/reg and reg/imm are illegal */ nullptr,                       \
          &InstImpl<TraitsType>::Assembler::lea, nullptr};                     \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Movsx::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::movsx,                             \
          &InstImpl<TraitsType>::Assembler::movsx, nullptr};                   \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Movzx::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::movzx,                             \
          &InstImpl<TraitsType>::Assembler::movzx, nullptr};                   \
                                                                               \
  /* Unary XMM ops */                                                          \
  template <>                                                                  \
  template <> /* uses specialized emitter. */                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Movd::Base::Emitter = {nullptr, nullptr};   \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Sqrtss::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::sqrtss,                            \
          &InstImpl<TraitsType>::Assembler::sqrtss};                           \
                                                                               \
  /* Binary GPR ops */                                                         \
  template <>                                                                  \
  template <> /* uses specialized emitter. */                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Imul::Base::Emitter = {nullptr, nullptr,    \
                                                          nullptr};            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Add::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::add,                               \
          &InstImpl<TraitsType>::Assembler::add,                               \
          &InstImpl<TraitsType>::Assembler::add};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86AddRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::add,                               \
          &InstImpl<TraitsType>::Assembler::add};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Adc::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::adc,                               \
          &InstImpl<TraitsType>::Assembler::adc,                               \
          &InstImpl<TraitsType>::Assembler::adc};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86AdcRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::adc,                               \
          &InstImpl<TraitsType>::Assembler::adc};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86And::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::And,                               \
          &InstImpl<TraitsType>::Assembler::And,                               \
          &InstImpl<TraitsType>::Assembler::And};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86AndRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::And,                               \
          &InstImpl<TraitsType>::Assembler::And};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Or::Base::Emitter = {                       \
          &InstImpl<TraitsType>::Assembler::Or,                                \
          &InstImpl<TraitsType>::Assembler::Or,                                \
          &InstImpl<TraitsType>::Assembler::Or};                               \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86OrRMW::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::Or,                                \
          &InstImpl<TraitsType>::Assembler::Or};                               \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Sbb::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::sbb,                               \
          &InstImpl<TraitsType>::Assembler::sbb,                               \
          &InstImpl<TraitsType>::Assembler::sbb};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86SbbRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::sbb,                               \
          &InstImpl<TraitsType>::Assembler::sbb};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Sub::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::sub,                               \
          &InstImpl<TraitsType>::Assembler::sub,                               \
          &InstImpl<TraitsType>::Assembler::sub};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86SubRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::sub,                               \
          &InstImpl<TraitsType>::Assembler::sub};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Xor::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::Xor,                               \
          &InstImpl<TraitsType>::Assembler::Xor,                               \
          &InstImpl<TraitsType>::Assembler::Xor};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterAddrOp                      \
      InstImpl<TraitsType>::InstX86XorRMW::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::Xor,                               \
          &InstImpl<TraitsType>::Assembler::Xor};                              \
                                                                               \
  /* Binary Shift GPR ops */                                                   \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Rol::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::rol,                               \
          &InstImpl<TraitsType>::Assembler::rol};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Sar::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::sar,                               \
          &InstImpl<TraitsType>::Assembler::sar};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Shl::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::shl,                               \
          &InstImpl<TraitsType>::Assembler::shl};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::GPREmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Shr::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::shr,                               \
          &InstImpl<TraitsType>::Assembler::shr};                              \
                                                                               \
  /* Binary XMM ops */                                                         \
  template <>                                                                  \
  template <> /* uses specialized emitter. */                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86MovssRegs::Base::Emitter = {nullptr,        \
                                                               nullptr};       \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Addss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::addss,                             \
          &InstImpl<TraitsType>::Assembler::addss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Addps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::addps,                             \
          &InstImpl<TraitsType>::Assembler::addps};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Divss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::divss,                             \
          &InstImpl<TraitsType>::Assembler::divss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Divps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::divps,                             \
          &InstImpl<TraitsType>::Assembler::divps};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Mulss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::mulss,                             \
          &InstImpl<TraitsType>::Assembler::mulss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Mulps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::mulps,                             \
          &InstImpl<TraitsType>::Assembler::mulps};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Padd::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::padd,                              \
          &InstImpl<TraitsType>::Assembler::padd};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pand::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::pand,                              \
          &InstImpl<TraitsType>::Assembler::pand};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pandn::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::pandn,                             \
          &InstImpl<TraitsType>::Assembler::pandn};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pcmpeq::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::pcmpeq,                            \
          &InstImpl<TraitsType>::Assembler::pcmpeq};                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pcmpgt::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::pcmpgt,                            \
          &InstImpl<TraitsType>::Assembler::pcmpgt};                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pmull::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::pmull,                             \
          &InstImpl<TraitsType>::Assembler::pmull};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pmuludq::Base::Emitter = {                  \
          &InstImpl<TraitsType>::Assembler::pmuludq,                           \
          &InstImpl<TraitsType>::Assembler::pmuludq};                          \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Por::Base::Emitter = {                      \
          &InstImpl<TraitsType>::Assembler::por,                               \
          &InstImpl<TraitsType>::Assembler::por};                              \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Psub::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::psub,                              \
          &InstImpl<TraitsType>::Assembler::psub};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pxor::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::pxor,                              \
          &InstImpl<TraitsType>::Assembler::pxor};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Subss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::subss,                             \
          &InstImpl<TraitsType>::Assembler::subss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Subps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::subps,                             \
          &InstImpl<TraitsType>::Assembler::subps};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Andnps::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::andnps,                            \
          &InstImpl<TraitsType>::Assembler::andnps};                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Andps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::andps,                             \
          &InstImpl<TraitsType>::Assembler::andps};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Maxss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::maxss,                             \
          &InstImpl<TraitsType>::Assembler::maxss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Minss::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::minss,                             \
          &InstImpl<TraitsType>::Assembler::minss};                            \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Orps::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::orps,                              \
          &InstImpl<TraitsType>::Assembler::orps};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Xorps::Base::Emitter = {                    \
          &InstImpl<TraitsType>::Assembler::xorps,                             \
          &InstImpl<TraitsType>::Assembler::xorps};                            \
                                                                               \
  /* Binary XMM Shift ops */                                                   \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Psll::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::psll,                              \
          &InstImpl<TraitsType>::Assembler::psll,                              \
          &InstImpl<TraitsType>::Assembler::psll};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Psra::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::psra,                              \
          &InstImpl<TraitsType>::Assembler::psra,                              \
          &InstImpl<TraitsType>::Assembler::psra};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterShiftOp                     \
      InstImpl<TraitsType>::InstX86Psrl::Base::Emitter = {                     \
          &InstImpl<TraitsType>::Assembler::psrl,                              \
          &InstImpl<TraitsType>::Assembler::psrl,                              \
          &InstImpl<TraitsType>::Assembler::psrl};                             \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Pshufb::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::pshufb,                            \
          &InstImpl<TraitsType>::Assembler::pshufb};                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Punpckl::Base::Emitter = {                  \
          &InstImpl<TraitsType>::Assembler::punpckl,                           \
          &InstImpl<TraitsType>::Assembler::punpckl};                          \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Punpckh::Base::Emitter = {                  \
          &InstImpl<TraitsType>::Assembler::punpckh,                           \
          &InstImpl<TraitsType>::Assembler::punpckh};                          \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Packss::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::packss,                            \
          &InstImpl<TraitsType>::Assembler::packss};                           \
  template <>                                                                  \
  template <>                                                                  \
  const InstImpl<TraitsType>::Assembler::XmmEmitterRegOp                       \
      InstImpl<TraitsType>::InstX86Packus::Base::Emitter = {                   \
          &InstImpl<TraitsType>::Assembler::packus,                            \
          &InstImpl<TraitsType>::Assembler::packus};                           \
  }                                                                            \
  }

} // end of namespace X86NAMESPACE
} // end of namespace Ice

#include "IceInstX86BaseImpl.h"

#endif // SUBZERO_SRC_ICEINSTX86BASE_H