Function svclz_s16_x 

pub fn svclz_s16_x(pg: svbool_t, op: svint16_t) -> svuint16_t

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

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

Count leading zero bits Arm’s documentation