Function vrsubhn_u64 

pub fn vrsubhn_u64(a: uint64x2_t, b: uint64x2_t) -> uint32x2_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.

Rounding subtract returning high narrow Arm’s documentation