https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121218
Sam James <sjames at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu.org
--- Comment #2 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Sam James from comment #0)
> Created attachment 61939 [details]
> interleaved_test.cc.ii.xz
>
> highway's interleaved_test seems miscompiled at -O2 -march=znver2 since
> r15-3036-gb8ea13ebf12117. It is latent on trunk since
> r16-531-g37e61c793c1b22, but resurfaces with -O2 -march=x86-64-v3
> -mtune=core2.
That r15 rev is also a tuning/heuristics commit AFAICT so latent before then
too.
I may or may not have an arm testcase that may or may not be related
in-progress too.
