https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81901
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|WAITING |RESOLVED Keywords| |missed-optimization Target Milestone|--- |8.0 --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This was fixed in GCC 8 by r8-436 (PR80558). VRP1 can see that i & 0xF0 will never be 0x00 and remove that case.