Function core::arch::aarch64::vaddhn_high_s64

pub unsafe fn vaddhn_high_s64(
    r: int32x2_t, 
    a: int64x2_t, 
    b: int64x2_t
) -> int32x4_t

🔬 This is a nightly-only experimental API. (stdsimd #48556)

Available on AArch64 and target feature neon only.

Add returning High Narrow (high half).