XISEL            2778 arch/powerpc/xmon/ppc-opc.c #define XISEL_MASK	XISEL(0x3f, 0x1f)
XISEL            4785 arch/powerpc/xmon/ppc-opc.c {"isel",	XISEL(31,15), XISEL_MASK, PPCISEL|TITAN, 0,		{RT, RA0, RB, CRB}},