Function vqdmull_n_s16 

pub fn vqdmull_n_s16(a: int16x4_t, b: i16) -> int32x4_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 saturating doubling long multiply with scalar Arm’s documentation