Function svqincd_s64 

pub fn svqincd_s64<const IMM_FACTOR: i32>(op: svint64_t) -> svint64_t

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

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

Saturating increment by number of doubleword elements Arm’s documentation