[Bug target/105157] New: [12 Regression] compile-time regressions with generic tuning

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105157

            Bug ID: 105157
           Summary: [12 Regression] compile-time regressions with generic
                    tuning
           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: ---

507.cactuBSSN_r sees a 100% (-O2 -flto) or 70% (-Ofast) compile-time regression
on aarch64 recently.

https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=581.437.8
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=585.437.8