Handle "Mov" which is mov, movss, movsd, and used for nacl.read.tp.

src/IceInstX8632.h

 //===- subzero/src/IceInstX8632.h - Low-level x86 instructions --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the InstX8632 and OperandX8632 classes and
@@ skipping 40 matching lines @@
   OperandX8632 &operator=(const OperandX8632 &) = delete;
 };
 
 // OperandX8632Mem represents the m32 addressing mode, with optional
 // base and index registers, a constant offset, and a fixed shift
 // value for the index register.
 class OperandX8632Mem : public OperandX8632 {
 public:
   enum SegmentRegisters {
     DefaultSegment = -1,
-#define X(val, name) val,
+#define X(val, name, prefix) val,
     SEG_REGX8632_TABLE
 #undef X
         SegReg_NUM
   };
   static OperandX8632Mem *create(Cfg *Func, Type Ty, Variable *Base,
                                  Constant *Offset, Variable *Index = NULL,
                                  uint16_t Shift = 0,
                                  SegmentRegisters SegmentReg = DefaultSegment) {
     return new (Func->allocate<OperandX8632Mem>())
         OperandX8632Mem(Func, Ty, Base, Offset, Index, Shift, SegmentReg);
   }
   Variable *getBase() const { return Base; }
   Constant *getOffset() const { return Offset; }
   Variable *getIndex() const { return Index; }
   uint16_t getShift() const { return Shift; }
   SegmentRegisters getSegmentRegister() const { return SegmentReg; }
+  void emitSegmentOverride(x86::AssemblerX86 *Asm) const;
   x86::Address toAsmAddress(Assembler *Asm) const;
   void emit(const Cfg *Func) const override;
   using OperandX8632::dump;
   void dump(const Cfg *Func, Ostream &Str) const override;
 
   static bool classof(const Operand *Operand) {
     return Operand->getKind() == static_cast<OperandKind>(kMem);
   }
 
 private:
@@ skipping 17 matching lines @@
 // accesses through the VariableSplit.
 class VariableSplit : public OperandX8632 {
 public:
   enum Portion {
     Low,
     High
   };
   static VariableSplit *create(Cfg *Func, Variable *Var, Portion Part) {
     return new (Func->allocate<VariableSplit>()) VariableSplit(Func, Var, Part);
   }
+  int32_t getOffset() const { return Part == High ? 4 : 0; }
+
+  x86::Address toAsmAddress(const Cfg *Func) const;
   void emit(const Cfg *Func) const override;
   using OperandX8632::dump;
   void dump(const Cfg *Func, Ostream &Str) const override;
 
   static bool classof(const Operand *Operand) {
     return Operand->getKind() == static_cast<OperandKind>(kSplit);
   }
 
 private:
   VariableSplit(Cfg *Func, Variable *Var, Portion Part)
@@ skipping 703 matching lines @@
 public:
   static InstX8632Movlike *create(Cfg *Func, Variable *Dest, Operand *Source) {
     return new (Func->allocate<InstX8632Movlike>())
         InstX8632Movlike(Func, Dest, Source);
   }
   bool isRedundantAssign() const override {
     return checkForRedundantAssign(getDest(), getSrc(0));
   }
   bool isSimpleAssign() const override { return true; }
   void emit(const Cfg *Func) const override;
-  void emitIAS(const Cfg *Func) const override { emit(Func); }
+  void emitIAS(const Cfg *Func) const override;
   void dump(const Cfg *Func) const override {
     Ostream &Str = Func->getContext()->getStrDump();
     Str << Opcode << "." << getDest()->getType() << " ";
     dumpDest(Func);
     Str << ", ";
     dumpSources(Func);
   }
   static bool classof(const Inst *Inst) { return isClassof(Inst, K); }
 
 private:
@@ skipping 663 matching lines @@
 template <> void InstX8632Psub::emit(const Cfg *Func) const;
 template <> void InstX8632Sqrtss::emit(const Cfg *Func) const;
 template <> void InstX8632Subss::emit(const Cfg *Func) const;
 
 template <> void InstX8632Blendvps::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Div::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Idiv::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Imul::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Cbwdq::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Movd::emitIAS(const Cfg *Func) const;
-template <> void InstX8632Movp::emitIAS(const Cfg *Func) const;
-template <> void InstX8632Movq::emitIAS(const Cfg *Func) const;
 template <> void InstX8632MovssRegs::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Pblendvb::emitIAS(const Cfg *Func) const;
 template <> void InstX8632Pmull::emitIAS(const Cfg *Func) const;
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTX8632_H