[Bug target/111370] New: On Aarch64 4% 511.povray_r regression between g:6cd85273071b5f13 (2023-08-23 00:17) and g:e1f096a3cc96c719 (2023-08-25 22:34)

Mon, 11 Sep 2023 06:51:40 -0700 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111370

            Bug ID: 111370
           Summary: On Aarch64 4% 511.povray_r regression between
                    g:6cd85273071b5f13 (2023-08-23 00:17) and
                    g:e1f096a3cc96c719 (2023-08-25 22:34)
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: needs-bisection
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: fkastl at suse dot cz
                CC: mjambor at suse dot cz, tamar.christina at arm dot com
  Target Milestone: ---
              Host: aarch64-gnu-linux
            Target: aarch64-gnu-linux

On an Altra Aarch64 (-march=armv8.2-a+crypto+fp16+rcpc+dotprod+ssbs) machine
with -O2 -flto generic march between commits g:6cd85273071b5f13 (2023-08-23
00:17) and g:e1f096a3cc96c719 (2023-08-25 22:34) there is a 4% execution time
regression.

Here is a plot of recent runs:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=581.467.0

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