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

src/IceGlobalContext.h

 //===- subzero/src/IceGlobalContext.h - Global context defs -----*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares aspects of the compilation that persist across
@@ skipping 92 matching lines @@
   }
 
   // Manage Constants.
   // getConstant*() functions are not const because they might add
   // something to the constant pool.
   Constant *getConstantInt32(Type Ty, uint32_t ConstantInt32);
   Constant *getConstantInt64(Type Ty, uint64_t ConstantInt64);
   Constant *getConstantFloat(float Value);
   Constant *getConstantDouble(double Value);
   // Returns a symbolic constant.
-  Constant *getConstantSym(Type Ty, int64_t Offset, const IceString &Name = "",
+  Constant *getConstantSym(Type Ty, RelocOffsetT Offset,
+                           const IceString &Name = "",
                            bool SuppressMangling = false);
   // Returns an undef.
   Constant *getConstantUndef(Type Ty);
   // Returns a zero value.
   Constant *getConstantZero(Type Ty);
   // getConstantPool() returns a copy of the constant pool for
   // constants of a given type.
   ConstantList getConstantPool(Type Ty) const;
   // Returns a new function declaration, allocated in an internal
   // memory pool.  Ownership of the function is maintained by this
@@ skipping 106 matching lines @@
 
 private:
   TimerIdT ID;
   GlobalContext *const Ctx;
   const bool Active;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEGLOBALCONTEXT_H