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

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

[Martin Jambor]

Hello,

is the following item documenting that gcc13 can generate code for Zen 4
OK for the changes.html file on the web?

Thanks,

Martin


diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index 4fae1f7a..f8e9560c 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -530,6 +530,10 @@ a work-in-progress.</p>
     <code>-march=graniterapids</code>.
     The switch enables the AMX-FP16 and PREFETCHI ISA extensions.
   </li>
+  <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>
 
 <!-- <h3 id="mips">MIPS</h3> -->

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

[Richard Biener]

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.  Note the gcc-12 changes for the upcoming 12.3 need something similar
as most of the changes were backported.

Richard.

> Thanks,
>
> Martin
>
>
> diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
> index 4fae1f7a..f8e9560c 100644
> --- a/htdocs/gcc-13/changes.html
> +++ b/htdocs/gcc-13/changes.html
> @@ -530,6 +530,10 @@ a work-in-progress.</p>
>      <code>-march=graniterapids</code>.
>      The switch enables the AMX-FP16 and PREFETCHI ISA extensions.
>    </li>
> +  <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>
>
>  <!-- <h3 id="mips">MIPS</h3> -->

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

[Martin Jambor]

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?

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

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

[Richard Biener]

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