Handle "Mov" which is mov, movss, movsd, and used for nacl.read.tp.

src/IceOperand.h

Index: src/IceOperand.h
diff --git a/src/IceOperand.h b/src/IceOperand.h
index cbe0095805e16d5d049bf993942016c707d3344f..4c8904e5b7bbb229b92cc540376c5f40f2d5c63c 100644
--- a/src/IceOperand.h
+++ b/src/IceOperand.h
@@ -18,7 +18,9 @@
 #ifndef SUBZERO_SRC_ICEOPERAND_H
 #define SUBZERO_SRC_ICEOPERAND_H
 
+#include "IceCfg.h"
 #include "IceDefs.h"
+#include "IceGlobalContext.h"
 #include "IceTypes.h"
 
 namespace Ice {
@@ -207,6 +209,7 @@ public:
     return new (Ctx->allocate<ConstantRelocatable>()) ConstantRelocatable(
         Ty, Tuple.Offset, Tuple.Name, Tuple.SuppressMangling, PoolEntryID);
   }
+  // TODO(jvoung): offset should only be int32_t, since we are ILP32.
   int64_t getOffset() const { return Offset; }
   IceString getName() const { return Name; }
   void setSuppressMangling(bool Value) { SuppressMangling = Value; }