Function vraddhn_high_u16 

pub fn vraddhn_high_u16(
    a: uint8x8_t,
    b: uint16x8_t,
    c: uint16x8_t,
) -> uint8x16_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 Add returning High Narrow (high half). Arm’s documentation