[ARM] Improve VFP register moves.

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 efa84995221f4e684034f1c5e103916d69a571be..506364686f667169cc07105a571a6773c26f073c 100644
--- a/src/arm/macro-assembler-arm.h
+++ b/src/arm/macro-assembler-arm.h
@@ -559,18 +559,17 @@ class MacroAssembler: public Assembler {
   void VmovExtended(Register dst, int src_code);
   void VmovExtended(int dst_code, Register src);
   // Move between s-registers and imaginary s-registers.
-  void VmovExtended(int dst_code, int src_code, Register scratch);
-  void VmovExtended(int dst_code, const MemOperand& src, Register scratch);
-  void VmovExtended(const MemOperand& dst, int src_code, Register scratch);
+  void VmovExtended(int dst_code, int src_code);
+  void VmovExtended(int dst_code, const MemOperand& src);
+  void VmovExtended(const MemOperand& dst, int src_code);
 
   void ExtractLane(Register dst, QwNeonRegister src, NeonDataType dt, int lane);
   void ExtractLane(Register dst, DwVfpRegister src, NeonDataType dt, int lane);
-  void ExtractLane(SwVfpRegister dst, QwNeonRegister src, Register scratch,
-                   int lane);
+  void ExtractLane(SwVfpRegister dst, QwNeonRegister src, int lane);
   void ReplaceLane(QwNeonRegister dst, QwNeonRegister src, Register src_lane,
                    NeonDataType dt, int lane);
   void ReplaceLane(QwNeonRegister dst, QwNeonRegister src,
-                   SwVfpRegister src_lane, Register scratch, int lane);
+                   SwVfpRegister src_lane, int lane);
 
   void LslPair(Register dst_low, Register dst_high, Register src_low,
                Register src_high, Register scratch, Register shift);