Function svcmpeq_wide_s16 

pub fn svcmpeq_wide_s16(
    pg: svbool_t,
    op1: svint16_t,
    op2: svint64_t,
) -> svbool_t

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

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

Compare equal to Arm’s documentation