This implies @code{fp16}.
@item @code{sb} @tab ARMv8-A @tab ARMv8.5-A or later
@tab Enable the speculation barrier instruction sb.
+@item @code{predres} @tab ARMv8-A @tab ARMv8.5-A or later
+ @tab Enable the Execution and Data and Prediction instructions.
@end multitable
@node AArch64 Syntax