Add ss/sd suffix to InstX8632Store and legalize FP constants.

src/IceInstX8632.cpp

 //===- subzero/src/IceInstX8632.cpp - X86-32 instruction implementation ---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements the InstX8632 and OperandX8632 classes,
@@ skipping 526 matching lines @@
 
 void InstX8632Test::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "test." << getSrc(0)->getType() << " ";
   dumpSources(Func);
 }
 
 void InstX8632Store::emit(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrEmit();
   assert(getSrcSize() == 2);
-  Str << "\tmov\t";
+  Str << "\tmov" << TypeX8632Attributes[getSrc(0)->getType()].SdSsString
+      << "\t";
   getSrc(1)->emit(Func);
   Str << ", ";
   getSrc(0)->emit(Func);
   Str << "\n";
 }
 
 void InstX8632Store::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "mov." << getSrc(0)->getType() << " ";
   getSrc(1)->dump(Func);
@@ skipping 301 matching lines @@
   default:
     Str << "???";
     break;
   }
   Str << "(";
   Var->dump(Func);
   Str << ")";
 }
 
 } // end of namespace Ice