Add initial integrated assembler w/ some Xmm ops.

src/IceInst.cpp

 //===- subzero/src/IceInst.cpp - High-level 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 Inst class, primarily the various
@@ skipping 440 matching lines @@
     Str << "  //";
   dump(Func);
   dumpExtras(Func);
   Str << "\n";
 }
 
 void Inst::emit(const Cfg * /*Func*/) const {
   llvm_unreachable("emit() called on a non-lowered instruction");
 }
 
+void Inst::emitIAS(const Cfg *Func) const { emit(Func); }
+
 void Inst::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   dumpDest(Func);
   Str << " =~ ";
   dumpSources(Func);
 }
 
 void Inst::dumpExtras(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   bool First = true;
@@ skipping 282 matching lines @@
 
 void InstTarget::dump(const Cfg *Func) const {
   Ostream &Str = Func->getContext()->getStrDump();
   Str << "[TARGET] ";
   Inst::dump(Func);
 }
 
 void InstTarget::dumpExtras(const Cfg *Func) const { Inst::dumpExtras(Func); }
 
 } // end of namespace Ice