Function svmsb_n_s16_z 

pub fn svmsb_n_s16_z(
    pg: svbool_t,
    op1: svint16_t,
    op2: svint16_t,
    op3: i16,
) -> svint16_t

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

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

Multiply-subtract, multiplicand first Arm’s documentation