Move X8632-specific Assembler stuff to Machine Traits.

src/IceTargetLoweringX8632.h

 //===- subzero/src/IceTargetLoweringX8632.h - x86-32 lowering ---*- 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 TargetLoweringX8632 class, which
 // implements the TargetLowering interface for the x86-32
 // architecture.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICETARGETLOWERINGX8632_H
 #define SUBZERO_SRC_ICETARGETLOWERINGX8632_H
 
 #include "IceAssemblerX8632.h"
 #include "IceDefs.h"
 #include "IceInstX8632.h"
 #include "IceRegistersX8632.h"
 #include "IceTargetLowering.h"
+#include "IceTargetLoweringX8632Traits.h"
 
 namespace Ice {
 
 class TargetX8632 : public TargetLowering {
   TargetX8632() = delete;
   TargetX8632(const TargetX8632 &) = delete;
   TargetX8632 &operator=(const TargetX8632 &) = delete;
 
 public:
-  enum X86InstructionSet {
-    Begin,
-    // SSE2 is the PNaCl baseline instruction set.
-    SSE2 = Begin,
-    SSE4_1,
-    End
-  };
+  using X86InstructionSet = X8632::Traits::InstructionSet;
 
   static TargetX8632 *create(Cfg *Func);
-  virtual X8632::Address stackVarToAsmOperand(const Variable *Var) const = 0;
+  virtual X8632::Traits::Address
+  stackVarToAsmOperand(const Variable *Var) const = 0;
   virtual X86InstructionSet getInstructionSet() const = 0;
 
 protected:
   explicit TargetX8632(Cfg *Func) : TargetLowering(Func) {}
 };
 
 class TargetDataX8632 final : public TargetDataLowering {
   TargetDataX8632() = delete;
   TargetDataX8632(const TargetDataX8632 &) = delete;
   TargetDataX8632 &operator=(const TargetDataX8632 &) = delete;
@@ skipping 28 matching lines @@
 protected:
   explicit TargetHeaderX8632(GlobalContext *Ctx);
 
 private:
   ~TargetHeaderX8632() = default;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICETARGETLOWERINGX8632_H