[Bug target/113116] New: ~11-17% exec time regression of 436.cactusADM on aarch64

[fkastl at suse dot cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113116

            Bug ID: 113116
           Summary: ~11-17% exec time regression of 436.cactusADM on
                    aarch64
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: missed-optimization, needs-bisection
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fkastl at suse dot cz
  Target Milestone: ---
              Host: aarch64-linux-gnu
            Target: aarch64-linux-gnu

As seen on the graphs here

https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=578.100.0
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=586.100.0

between commits
g:8e0568d8ac9dbfc8
g:5641787abeea0fdc

there is a slowdown of 436.cactusADM SPEC2006 benchmark, 11% for Ofast native
LTO PGO and 17% for Ofast native LTO.

This is on aarch64. I haven't seen similar slowdowns on other architectures.