[Bug tree-optimization/101280] New: [12 Regression] TSVC s231 slower with -Ofast -march=znver1 since r12-1836-g0ad9d88a3d7170b3

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101280

            Bug ID: 101280
           Summary: [12 Regression] TSVC s231 slower with -Ofast
                    -march=znver1 since r12-1836-g0ad9d88a3d7170b3
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---

Seen e.g. here:
https://lnt.opensuse.org/db_default/v4/CPP/graph?plot.0=14.847.0