Function vreducepd_512 

unsafe extern "C" fn vreducepd_512(
    a: Simd<f64, 8>,
    imm8: i32,
    src: Simd<f64, 8>,
    k: __mmask8,
    sae: i32,
) -> Simd<f64, 8>

Available on x86 or x86-64 only.