Subzero: Use cmov to improve lowering for the select instruction.

src/assembler_ia32.h

 //===- subzero/src/assembler_ia32.h - Assembler for x86-32 ------*- C++ -*-===//
 //
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 492 matching lines @@
   void mov(Type Ty, const Address &dst, GPRRegister src);
   void mov(Type Ty, const Address &dst, const Immediate &imm);
 
   void movzx(Type Ty, GPRRegister dst, GPRRegister src);
   void movzx(Type Ty, GPRRegister dst, const Address &src);
   void movsx(Type Ty, GPRRegister dst, GPRRegister src);
   void movsx(Type Ty, GPRRegister dst, const Address &src);
 
   void lea(Type Ty, GPRRegister dst, const Address &src);
 
-  void cmov(CondX86::BrCond cond, GPRRegister dst, GPRRegister src);
+  void cmov(Type Ty, CondX86::BrCond cond, GPRRegister dst, GPRRegister src);
+  void cmov(Type Ty, CondX86::BrCond cond, GPRRegister dst, const Address &src);
 
   void rep_movsb();
 
   void movss(Type Ty, XmmRegister dst, const Address &src);
   void movss(Type Ty, const Address &dst, XmmRegister src);
   void movss(Type Ty, XmmRegister dst, XmmRegister src);
 
   void movd(XmmRegister dst, GPRRegister src);
   void movd(XmmRegister dst, const Address &src);
   void movd(GPRRegister dst, XmmRegister src);
@@ skipping 359 matching lines @@
 inline void AssemblerX8632::EmitFixup(AssemblerFixup *fixup) {
   buffer_.EmitFixup(fixup);
 }
 
 inline void AssemblerX8632::EmitOperandSizeOverride() { EmitUint8(0x66); }
 
 } // end of namespace X8632
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ASSEMBLER_IA32_H