Function vmull_laneq_u16 

pub fn vmull_laneq_u16(
    a: uint16x4_t,
    b: uint16x8_t,
    const LANE: i32,
) -> uint32x4_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 long multiply by scalar Arm’s documentation