[Bug tree-optimization/125934] [17 Regression] 7-9% slowdown of cactusADM on Zen4 with since r17-1586-gc36539e6fd0dfa

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125934

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[17 Regression] 7-9%        |[17 Regression] 7-9%
                   |slowdown of cactusADM on    |slowdown of cactusADM on
                   |Zen4 since                  |Zen4 with since
                   |r17-1586-gc36539e6fd0dfa    |r17-1586-gc36539e6fd0dfa

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'll note it's faster with -Ofast -march-native and -O2 and very noisy in
general.