UNROLL2          1151 3rdparty/libtiff/tif_getimage.c     UNROLL2(w, bw = PALmap[*pp++], *cp++ = *bw++);
UNROLL2          1301 3rdparty/libtiff/tif_getimage.c     UNROLL2(w, bw = BWmap[*pp++], *cp++ = *bw++);