Function filter_narrow4_12

fn filter_narrow4_12(
    p5: i32,
    p4: i32,
    p3: i32,
    p2: i32,
    p1: i32,
    p0: i32,
    q0: i32,
    q1: i32,
    q2: i32,
    q3: i32,
    q4: i32,
    q5: i32,
    shift: usize,
) -> [i32; 12]