Avoids vmovsr on ARM.

runtime/vm/disassembler_arm.cc

 // 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.
 
 #include "vm/disassembler.h"
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "platform/assert.h"
@@ skipping 1290 matching lines @@
         break;
       }
     } else {
       // 8, 16, or 32-bit Transfer between ARM Core and VFP
       if ((instr->Bits(21, 3) == 0) && (instr->Bit(8) == 0)) {
         if (instr->Bit(20) == 0) {
           Format(instr, "vmovs'cond 'sn, 'rd");
         } else {
           Format(instr, "vmovr'cond 'rd, 'sn");
         }
+      } else if ((instr->Bits(22, 3) == 0) && (instr->Bit(20) == 0) &&
+                 (instr->Bit(8) == 1) && (instr->Bits(5, 2) == 0)) {
+        if (instr->Bit(21) == 0) {
+          Format(instr, "vmovd'cond 'dn[0], 'rd");
+        } else {
+          Format(instr, "vmovd'cond 'dn[1], 'rd");
+        }
       } else if ((instr->Bits(20, 4) == 0xf) && (instr->Bit(8) == 0) &&
                  (instr->Bits(12, 4) == 0xf)) {
         Format(instr, "vmstat'cond");
       } else {
         Unknown(instr);
       }
     }
   } else {
     Unknown(instr);
   }
@@ skipping 225 matching lines @@
                                   human_buffer,
                                   sizeof(human_buffer),
                                   pc);
     pc += instruction_length;
   }
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM