Re: [wwwdocs] Document support for znver4 in gcc-13/changes.html

[Richard Biener <richard.guenther@gmail.com>]

On Thu, Mar 23, 2023 at 7:05 PM Martin Jambor <mjambor@suse.cz> wrote:
>
> Hello,
>
> On Wed, Mar 22 2023, Richard Biener wrote:
> > On Tue, Mar 21, 2023 at 8:25 PM Martin Jambor <mjambor@suse.cz> wrote:
> >>
> >> Hello,
> >>
> >> is the following item documenting that gcc13 can generate code for Zen 4
> >> OK for the changes.html file on the web?
> >
> > OK.
>
> thanks.
>
> > Note the gcc-12 changes for the upcoming 12.3 need something similar
> > as most of the changes were backported.
>
> Like this?

Yes.  Thanks,
Richard.

> Thanks,
>
> Martin
>
>
>
> diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
> index d565c217..0854b83b 100644
> --- a/htdocs/gcc-12/changes.html
> +++ b/htdocs/gcc-12/changes.html
> @@ -1144,6 +1144,17 @@ are not listed here).</p>
>  <p>Note: GCC 12.3 has not been released yet, so this section is a
>  work-in-progress.</p>
>
> +<h3>Target Specific Changes</h3>
> +
> +<h3>x86-64</h3>
> +<ul>
> +  <li>GCC now supports AMD CPUs based on the <code>znver4</code> core
> +    via <code>-march=znver4</code>.  The switch makes GCC consider
> +    using 512 bit vectors when auto-vectorizing.
> +  </li>
> +</ul>
> +
> +
>  <p>This is the <a href="https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&amp;resolution=FIXED&amp;target_milestone=12.3">list
>  of problem reports (PRs)</a> from GCC's bug tracking system that are
>  known to be fixed in the 12.3 release. This list might not be