rset_picktop       73 lj_target.h    #define rset_picktop(rs)	((Reg)(__builtin_clzll(rs)^63))
rset_picktop       76 lj_target.h    #define rset_picktop(rs)	((Reg)lj_fls(rs))
rset_picktop      120 lj_target_x86.h #undef rset_picktop
rset_picktop      121 lj_target_x86.h #define rset_picktop(rs)	(lj_fls(lj_bswap(rs)) ^ 0x18)