Function svrhadd_n_s8_z 

pub fn svrhadd_n_s8_z(pg: svbool_t, op1: svint8_t, op2: i8) -> svint8_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.

Rounding halving add Arm’s documentation