[Bug target/104912] New: [12 Regression] 416.gamess regression after r12-7612

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104912

            Bug ID: 104912
           Summary: [12 Regression] 416.gamess regression after r12-7612
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: rguenth at gcc dot gnu.org
  Target Milestone: ---

There's a 8% regression in runtime for 416.gamess when built with -Ofast
-mtune=generic on Zen2 (less pronounced when using -march=native).  It seems
to be triggered by r12-7612