Function vfixupimmsd 

unsafe extern "C" fn vfixupimmsd(
    a: Simd<f64, 2>,
    b: Simd<f64, 2>,
    c: Simd<i64, 2>,
    imm8: i32,
    mask: u8,
    sae: i32,
) -> Simd<f64, 2>

Available on x86 or x86-64 only.