Function core::arch::aarch64::vrshrn_high_n_u16

pub unsafe fn vrshrn_high_n_u16(
    a: uint8x8_t, 
    b: uint16x8_t, 
    const N: i32
) -> uint8x16_t

This is supported on AArch64 and target feature neon only.

Rounding shift right narrow