Function vfixupimmpd 

unsafe extern "C" fn vfixupimmpd(
    a: Simd<f64, 8>,
    b: Simd<f64, 8>,
    c: Simd<i64, 8>,
    imm8: i32,
    mask: u8,
    sae: i32,
) -> Simd<f64, 8>

Available on x86 or x86-64 only.