Add vmov between integers and floats in ARM 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 594 matching lines @@
   // Note that gdb sets breakpoints using the undefined instruction 0xe7f001f0.
   void bkpt(uint16_t imm16);
 
   static int32_t BkptEncoding(uint16_t imm16) {
     // bkpt requires that the cond field is AL.
     return (AL << kConditionShift) | B24 | B21 |
            ((imm16 >> 4) << 8) | B6 | B5 | B4 | (imm16 & 0xf);
   }
 #endif
 
   static uword GetBreakInstructionFiller() {

[Jim Stichnoth, 2016/01/27 22:59:22]

Will we ever use this?  If not, maybe document that and combine the #if 0
regions.

[Karl, 2016/01/27 23:36:42]

Done.

     return BkptEncoding(0);
   }
 
   // Floating point instructions (VFPv3-D16 and VFPv3-D32 profiles).
 #if 0
   // Moved to ARM32::AssemblerARM32::vmovsr().
   void vmovsr(SRegister sn, Register rt, Condition cond = AL);
+  // Moved to ARM32::AssemblerARM32::vmovrs().
+  void vmovrs(Register rt, SRegister sn, Condition cond = AL);
 #endif
-  void vmovrs(Register rt, SRegister sn, Condition cond = AL);
   void vmovsrr(SRegister sm, Register rt, Register rt2, Condition cond = AL);
   void vmovrrs(Register rt, Register rt2, SRegister sm, Condition cond = AL);
   void vmovdrr(DRegister dm, Register rt, Register rt2, Condition cond = AL);
   void vmovrrd(Register rt, Register rt2, DRegister dm, Condition cond = AL);
   void vmovdr(DRegister dd, int i, Register rt, Condition cond = AL);
 #if 0
   // Moved to ARM32::AssemblerARM32::vmovss().
   void vmovs(SRegister sd, SRegister sm, Condition cond = AL);
   // Moved to ARM32::AssemblerARM32::vmovdd().
   void vmovd(DRegister dd, DRegister dm, Condition cond = AL);
@@ skipping 753 matching lines @@
   // ARM32::AssemblerARM::veord()
 #endif
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_