Add missing form of movt to ARM integrated assembler.

src/IceAssemblerARM32.h

 //===- subzero/src/IceAssemblerARM32.h - Assembler for ARM32 ----*- C++ -*-===//
 //
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 375 matching lines @@
                      const Operand *OpSrc1, const char *CmpName);
 
   void emitBranch(Label *L, CondARM32::Cond, bool Link);
 
   // Encodes the given Offset into the branch instruction Inst.
   IValueT encodeBranchOffset(IOffsetT Offset, IValueT Inst);
 
   // Returns the offset encoded in the branch instruction Inst.
   static IOffsetT decodeBranchOffset(IValueT Inst);
 
-  // Implements movw, generating pattern ccccxxxxxxxsiiiiddddiiiiiiiiiiii where
-  // cccc=Cond, xxxxxxx<<21=Opcode, dddd=Rd, s=SetFlags, and
+  // Implements movw/movt, generating pattern ccccxxxxxxxsiiiiddddiiiiiiiiiiii
+  // where cccc=Cond, xxxxxxx<<21=Opcode, dddd=Rd, s=SetFlags, and
   // iiiiiiiiiiiiiiii=Imm16.
-  void emitMovw(IValueT Opcode, IValueT Rd, IValueT Imm16, bool SetFlags,
-                CondARM32::Cond Cond);
+  void emitMovwt(CondARM32::Cond Cond, bool IsMovw, const Operand *OpRd,
+                 const Operand *OpSrc, const char *MovName);
 };
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLERARM32_H