pixman_composeFunctions.combineU[PIXMAN_OP_OUT] = mmxCombineOutU;
pixman_composeFunctions.combineU[PIXMAN_OP_OUT_REVERSE] = mmxCombineOutReverseU;
pixman_composeFunctions.combineU[PIXMAN_OP_ATOP] = mmxCombineAtopU;
-#if 0
pixman_composeFunctions.combineU[PIXMAN_OP_ATOP_REVERSE] = mmxCombineAtopReverseU;
+#if 0
pixman_composeFunctions.combineU[PIXMAN_OP_XOR] = mmxCombineXorU;
pixman_composeFunctions.combineU[PIXMAN_OP_ADD] = mmxCombineAddU;
pixman_composeFunctions.combineU[PIXMAN_OP_SATURATE] = mmxCombineSaturateU;