UNROLL4          1168 3rdparty/libtiff/tif_getimage.c     UNROLL4(w, bw = PALmap[*pp++], *cp++ = *bw++);
UNROLL4          1284 3rdparty/libtiff/tif_getimage.c     UNROLL4(w, bw = BWmap[*pp++], *cp++ = *bw++);