Add initial integrated assembler w/ some Xmm ops.

src/IceCfg.cpp

 //===- subzero/src/IceCfg.cpp - Control flow graph 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 Cfg class, including constant pool
@@ skipping 10 matching lines @@
 #include "IceOperand.h"
 #include "IceTargetLowering.h"
 
 namespace Ice {
 
 Cfg::Cfg(GlobalContext *Ctx)
     : Ctx(Ctx), FunctionName(""), ReturnType(IceType_void),
       IsInternalLinkage(false), HasError(false), ErrorMessage(""), Entry(NULL),
       NextInstNumber(1), Live(NULL),
       Target(TargetLowering::createLowering(Ctx->getTargetArch(), this)),
-      VMetadata(new VariablesMetadata(this)), CurrentNode(NULL) {}
+      VMetadata(new VariablesMetadata(this)),
+      TargetAssembler(
+          TargetLowering::createAssembler(Ctx->getTargetArch(), this)),
+      CurrentNode(NULL) {}
 
 Cfg::~Cfg() {}
 
 void Cfg::setError(const IceString &Message) {
   HasError = true;
   ErrorMessage = Message;
   Ctx->getStrDump() << "ICE translation error: " << ErrorMessage << "\n";
 }
 
 CfgNode *Cfg::makeNode(const IceString &Name) {
@@ skipping 346 matching lines @@
   for (NodeList::const_iterator I = Nodes.begin(), E = Nodes.end(); I != E;
        ++I) {
     (*I)->dump(this);
   }
   if (getContext()->isVerbose(IceV_Instructions)) {
     Str << "}\n";
   }
 }
 
 } // end of namespace Ice