Undo unnecessary changes to ARM assembler.

runtime/vm/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.
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 627 matching lines @@
   // If we aren't on ARMv7, there is no smull.
   void CheckMultSignedOverflow(Register left,
                                Register right,
                                Register tmp,
                                DRegister dtmp0, DRegister dtmp1,
                                Label* overflow);
 
   // Load and Store.
   // These three do not clobber IP.
   void LoadPatchableImmediate(Register rd, int32_t value, Condition cond = AL);
+  void LoadDecodableImmediate(Register rd, int32_t value, Condition cond = AL);
   void LoadImmediate(Register rd, int32_t value, Condition cond = AL);
   // These two may clobber IP.
   void LoadSImmediate(SRegister sd, float value, Condition cond = AL);
   void LoadDImmediate(DRegister dd, double value,
                       Register scratch, Condition cond = AL);
 
   void MarkExceptionHandler(Label* label);
 
   void Drop(intptr_t stack_elements);
 
@@ skipping 460 matching lines @@
                      Register new_value,
                      FieldContent old_content);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_