BFA
#define BO BFA + 1
{"mcrf", XL(19,0), XLBB_MASK|(3<<21)|(3<<16), COM, PPCVLE, {BF, BFA}},
{"setb", X(31,128), XRB_MASK|(3<<16), POWER9, 0, {RT, BFA}},
{"mcrfs", X(63,64), XRB_MASK|(3<<21)|(3<<16), COM, PPCVLE, {BF, BFA}},