Function vscalefpd 

unsafe extern "C" fn vscalefpd(
    a: Simd<f64, 8>,
    b: Simd<f64, 8>,
    src: Simd<f64, 8>,
    mask: u8,
    rounding: i32,
) -> Simd<f64, 8>

Available on x86 or x86-64 only.