[Bug tree-optimization/90128] 507.cactuBSSN_r is 9-11% slower at -Ofast and native march/tuning on Zen CPUs

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90128

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> CPU 2006 436.cactusADM also has an interesting history:
> https://gcc.opensuse.org/gcc-old/SPEC/CFP/sb-czerny-head-64-2006/
> 436_cactusADM_big.png

compared to other benchmarks it is also quite noisy - esp. in the timeframe
of this regression.