{ "extlwi", 4, PPCCOM, "rlwinm %0,%1,%3,0,(%2)-1" },
{ "extlwi.", 4, PPCCOM, "rlwinm. %0,%1,%3,0,(%2)-1" },
-{ "extrwi", 4, PPCCOM, "rlwinm %0,%1,(%2)+(%3),32-(%2),31" },
-{ "extrwi.", 4, PPCCOM, "rlwinm. %0,%1,(%2)+(%3),32-(%2),31" },
+{ "extrwi", 4, PPCCOM, "rlwinm %0,%1,((%2)+(%3))&((%2)+(%3)<>32),32-(%2),31" },
+{ "extrwi.", 4, PPCCOM, "rlwinm. %0,%1,((%2)+(%3))&((%2)+(%3)<>32),32-(%2),31" },
{ "inslwi", 4, PPCCOM, "rlwimi %0,%1,(-(%3)!31)&((%3)|31),%3,(%2)+(%3)-1" },
{ "inslwi.", 4, PPCCOM, "rlwimi. %0,%1,(-(%3)!31)&((%3)|31),%3,(%2)+(%3)-1"},
{ "insrwi", 4, PPCCOM, "rlwimi %0,%1,32-((%2)+(%3)),%3,(%2)+(%3)-1" },