Function svqdmullb_lane_s32 

pub fn svqdmullb_lane_s32<const IMM_INDEX: i32>(
    op1: svint16_t,
    op2: svint16_t,
) -> svint32_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 doubling multiply long (bottom) Arm’s documentation