Function svqshrunt_n_s64 

pub fn svqshrunt_n_s64<const IMM2: i32>(
    even: svuint32_t,
    op1: svint64_t,
) -> svuint32_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.

Saturating shift right unsigned narrow (top) Arm’s documentation