[arm] Support float registers for moves and swaps.

src/arm/macro-assembler-arm.h

Index: src/arm/macro-assembler-arm.h
diff --git a/src/arm/macro-assembler-arm.h b/src/arm/macro-assembler-arm.h
index 35017df2d57c41eb58d8e898802e0b4bd1306e91..16dcd47790a6820a65464c8a0799e1ca722e1423 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -170,6 +170,7 @@ class MacroAssembler: public Assembler {
       mov(dst, src, sbit, cond);
     }
   }
+  void Move(SwVfpRegister dst, SwVfpRegister src);
   void Move(DwVfpRegister dst, DwVfpRegister src);
 
   void Load(Register dst, const MemOperand& src, Representation r);