[Bug tree-optimization/126435] [17 Regression] 4-8% slowdown of blender_r on Zen{2,3,4} since r17-2654-gfb0838bc1073aa

"jmelcr at gcc dot gnu.org via Gcc-bugs" <[email protected]> Mon, 03 Aug 2026 08:26:23 +0000
Newsgroups gmane.comp.gcc.bugs
Message-ID <[email protected]/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D126435

--- Comment #2 from Josef Melcr <jmelcr at gcc dot gnu.org> ---
7% on Zen5 with -Ofast -march=3Dx86-64-v3 -g -flto=3D128 as well:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=3D1245.487.0=