pub unsafe fn vaddhn_high_s64(
    r: int32x2_t,
    a: int64x2_t,
    b: int64x2_t,
) -> int32x4_t🔬This is a nightly-only experimental API. (
stdarch_arm_neon_intrinsics #111800)Available on ARM and target feature 
neon only.Expand description
Add returning High Narrow (high half).