Function vrsubhn_high_u64

pub unsafe fn vrsubhn_high_u64(
    a: uint32x2_t,
    b: uint64x2_t,
    c: uint64x2_t,
) -> uint32x4_t

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

Rounding subtract returning high narrow

Arm’s documentation