Function core::arch::arm::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)

This is supported on (non-crate feature miri-test-libstd or test or doctest) and ARM and target feature neon only.

Add returning High Narrow (high half).