[Bug tree-optimization/107413] Perf loss ~14% on 519.lbm_r SPEC cpu2017 benchmark with r8-7132-gb5b33e113434be

[rvmallad at amazon dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107413

--- Comment #11 from Rama Malladi <rvmallad at amazon dot com> ---
(In reply to Wilco from comment #10)
> I'm seeing about 1.5% gain on Neoverse V1 and 0.5% loss on Neoverse N1. I'll
> post a patch that allows per-CPU settings for FMA reassociation, so you'll
> get good performance with -mcpu=native. However reassociation really needs
> to be taught about the existence of FMAs.

Thank you very much Wilco.