Function vshrn_n_u64 

pub fn vshrn_n_u64(a: uint64x2_t, const N: i32) -> 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.

Shift right narrow Arm’s documentation