[Bug target/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 #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #7)
> Benchmarking r270408 on branch vs. trunk on Haswell doesn't show any
> regression
> for me.  Will double-check with up-to-date CPU 2017 tree.

Confirmed.