Function vaddhn_high_u16 

pub fn vaddhn_high_u16(r: uint8x8_t, a: uint16x8_t, b: uint16x8_t) -> uint8x16_t

🔬This is a nightly-only experimental API. (stdarch_arm_neon_intrinsics #111800)

Available on ARM and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature neon only.

Add returning High Narrow (high half). Arm’s documentation