Function svqdecw_n_s64 

pub fn svqdecw_n_s64<const IMM_FACTOR: i32>(op: i64) -> i64

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

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

Saturating decrement by number of word elements Arm’s documentation