Function vqdmull_lane_s16

pub unsafe fn vqdmull_lane_s16(
    a: int16x4_t,
    b: int16x4_t,
    const N: i32,
) -> int32x4_t

Available on (AArch64 or target_arch="arm64ec") and target feature neon only.

Vector saturating doubling long multiply by scalar

Arm’s documentation