Add UMULL to ARM integrated assembler.

src/DartARM32/assembler_arm.h

 // 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.
 //
 // This is forked from Dart revision df52deea9f25690eb8b66c5995da92b70f7ac1fe
 // Please update the (git) revision if we merge changes from Dart.
 // https://code.google.com/p/dart/wiki/GettingTheSource
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
@@ skipping 512 matching lines @@
   void muls(Register rd, Register rn, Register rm, Condition cond = AL);
 
   // Moved to ARM32::AssemblerARM32::mla()
   void mla(Register rd, Register rn, Register rm, Register ra,
            Condition cond = AL);
 #endif
   void mls(Register rd, Register rn, Register rm, Register ra,
            Condition cond = AL);
   void smull(Register rd_lo, Register rd_hi, Register rn, Register rm,
              Condition cond = AL);
+#if 0
+  // Moved to ARM32::AssemblerARM32::umull();
   void umull(Register rd_lo, Register rd_hi, Register rn, Register rm,
              Condition cond = AL);
+#endif
   void smlal(Register rd_lo, Register rd_hi, Register rn, Register rm,
              Condition cond = AL);
   void umlal(Register rd_lo, Register rd_hi, Register rn, Register rm,
              Condition cond = AL);
 
   // Emulation of this instruction uses IP and the condition codes. Therefore,
   // none of the registers can be IP, and the instruction can only be used
   // unconditionally.
   void umaal(Register rd_lo, Register rd_hi, Register rn, Register rm);
 
@@ skipping 749 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_