ARM64: Add NEON support

src/crankshaft/arm64/delayed-masm-arm64.h

Index: src/crankshaft/arm64/delayed-masm-arm64.h
diff --git a/src/crankshaft/arm64/delayed-masm-arm64.h b/src/crankshaft/arm64/delayed-masm-arm64.h
index 5da2b729037b06695e1d1a5866c06039e051a25a..104076b3b50290036e4f90532e8867bf1db739e4 100644
--- a/src/crankshaft/arm64/delayed-masm-arm64.h
+++ b/src/crankshaft/arm64/delayed-masm-arm64.h
@@ -70,8 +70,8 @@ class DelayedMasm BASE_EMBEDDED {
   inline void Mov(const Register& rd,
                   const Operand& operand,
                   DiscardMoveMode discard_mode = kDontDiscardForSameWReg);
-  inline void Fmov(FPRegister fd, FPRegister fn);
-  inline void Fmov(FPRegister fd, double imm);
+  inline void Fmov(VRegister fd, VRegister fn);
+  inline void Fmov(VRegister fd, double imm);
   inline void LoadObject(Register result, Handle<Object> object);
   // Instructions which try to merge which the pending instructions.
   void StackSlotMove(LOperand* src, LOperand* dst);