cglobal limiter_8bit, 8, 9, 4, src, dst, slinesize, dlinesize, w, h, min, max, x
    movsxdifnidn wq, wd
    add        srcq, wq
    add        dstq, wq
    neg          wq
    pinsrb       m1, minb, 0
    pinsrb       m1, minb, 1
    pinsrb       m1, minb, 2
    pinsrb       m1, minb, 3
    pinsrb       m1, minb, 4
    pinsrb       m1, minb, 5
    pinsrb       m1, minb, 6
    pinsrb       m1, minb, 7
    pinsrb       m1, minb, 8
    pinsrb       m1, minb, 9
    pinsrb       m1, minb, 10
    pinsrb       m1, minb, 11
    pinsrb       m1, minb, 12
    pinsrb       m1, minb, 13
    pinsrb       m1, minb, 14
    pinsrb       m1, minb, 15
    pinsrb       m2, maxb, 0
    pinsrb       m2, maxb, 1
    pinsrb       m2, maxb, 2
    pinsrb       m2, maxb, 3
    pinsrb       m2, maxb, 4
    pinsrb       m2, maxb, 5
    pinsrb       m2, maxb, 6
    pinsrb       m2, maxb, 7
    pinsrb       m2, maxb, 8
    pinsrb       m2, maxb, 9
    pinsrb       m2, maxb, 10
    pinsrb       m2, maxb, 11
    pinsrb       m2, maxb, 12
    pinsrb       m2, maxb, 13
    pinsrb       m2, maxb, 14
    pinsrb       m2, maxb, 15