Function vqdmull_laneq_s32

pub unsafe fn vqdmull_laneq_s32(
    a: int32x2_t,
    b: int32x4_t,
    const N: i32,
) -> int64x2_t

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

Vector saturating doubling long multiply by scalar

Arm’s documentation