Function svunpkhi_b 

pub fn svunpkhi_b(op: svbool_t) -> svbool_t

🔬This is a nightly-only experimental API. (stdarch_aarch64_sve #145052)

Available on (AArch64 or ARM64EC) and target feature sve and target feature sve2 only.

Unpack and extend high half Arm’s documentation