Function svqadd_n_u64_m 

pub fn svqadd_n_u64_m(pg: svbool_t, op1: svuint64_t, op2: u64) -> svuint64_t

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

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

Saturating add Arm’s documentation