Function vrshrn_high_n_u64

pub unsafe fn vrshrn_high_n_u64(
    a: uint32x2_t,
    b: uint64x2_t,
    const N: i32,
) -> uint32x4_t

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

Rounding shift right narrow

Arm’s documentation