https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107052
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Aldy Hernandez from comment #2) > Don't you mean the only values for popcount are 0-2? I mean, there are only > two bits that could be 1 with a mask of 0x300. Or am I missing something? Yes, 0-2 I am still trying to wake up.