Function vqrdmulhq_lane_s16 

pub fn vqrdmulhq_lane_s16(
    a: int16x8_t,
    b: int16x4_t,
    const LANE: i32,
) -> int16x8_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

Available on ARM and target feature neon and (AArch64 or ARM or ARM64EC) and (AArch64 or ARM64EC or target feature v7) only.

Vector rounding saturating doubling multiply high by scalar Arm’s documentation