https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64081
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |needs-bisection --- Comment #68 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Note for the original testcase in comment #0, GCC 9 starts to unroll the code again. There are gimple level changes that changed the IR again. Would be interesting to find out what patch changed that.