Function vscalefps 

unsafe extern "C" fn vscalefps(
    a: Simd<f32, 16>,
    b: Simd<f32, 16>,
    src: Simd<f32, 16>,
    mask: u16,
    rounding: i32,
) -> Simd<f32, 16>

Available on x86 or x86-64 only.