PPCISEL
{"isellt", X(31,15), X_MASK, PPCISEL, 0, {RT, RA0, RB}},
{"iselgt", X(31,47), X_MASK, PPCISEL, 0, {RT, RA0, RB}},
{"iseleq", X(31,79), X_MASK, PPCISEL, 0, {RT, RA0, RB}},
{"isel", XISEL(31,15), XISEL_MASK, PPCISEL|TITAN, 0, {RT, RA0, RB, CRB}},