Reland "ARM64: Add NEON support"

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

Index: src/crankshaft/arm64/delayed-masm-arm64-inl.h
diff --git a/src/crankshaft/arm64/delayed-masm-arm64-inl.h b/src/crankshaft/arm64/delayed-masm-arm64-inl.h
index c8299ec07e3592ad18a07fa9f3f83cc5261b4ee5..8932c61a9bba87f7f25dded708d91ca6277127b5 100644
--- a/src/crankshaft/arm64/delayed-masm-arm64-inl.h
+++ b/src/crankshaft/arm64/delayed-masm-arm64-inl.h
@@ -44,14 +44,12 @@ void DelayedMasm::Mov(const Register& rd,
   __ Mov(rd, operand, discard_mode);
 }
 
-
-void DelayedMasm::Fmov(FPRegister fd, FPRegister fn) {
+void DelayedMasm::Fmov(VRegister fd, VRegister fn) {
   EmitPending();
   __ Fmov(fd, fn);
 }
 
-
-void DelayedMasm::Fmov(FPRegister fd, double imm) {
+void DelayedMasm::Fmov(VRegister fd, double imm) {
   EmitPending();
   __ Fmov(fd, imm);
 }