* [wwwdocs] Document support for znver4 in gcc-13/changes.html
@ 2023-03-21 19:24 Martin Jambor
2023-03-22 10:11 ` Richard Biener
0 siblings, 1 reply; 4+ messages in thread
From: Martin Jambor @ 2023-03-21 19:24 UTC (permalink / raw)
To: GCC Patches; +Cc: Gerald Pfeifer, Jan Hubicka
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> -->
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [wwwdocs] Document support for znver4 in gcc-13/changes.html
2023-03-21 19:24 [wwwdocs] Document support for znver4 in gcc-13/changes.html Martin Jambor
@ 2023-03-22 10:11 ` Richard Biener
2023-03-23 18:05 ` Martin Jambor
0 siblings, 1 reply; 4+ messages in thread
From: Richard Biener @ 2023-03-22 10:11 UTC (permalink / raw)
To: Martin Jambor; +Cc: GCC Patches, Gerald Pfeifer, Jan Hubicka
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> -->
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [wwwdocs] Document support for znver4 in gcc-13/changes.html
2023-03-22 10:11 ` Richard Biener
@ 2023-03-23 18:05 ` Martin Jambor
2023-03-24 7:02 ` Richard Biener
0 siblings, 1 reply; 4+ messages in thread
From: Martin Jambor @ 2023-03-23 18:05 UTC (permalink / raw)
To: Richard Biener; +Cc: GCC Patches, Gerald Pfeifer, Jan Hubicka
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&resolution=FIXED&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
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [wwwdocs] Document support for znver4 in gcc-13/changes.html
2023-03-23 18:05 ` Martin Jambor
@ 2023-03-24 7:02 ` Richard Biener
0 siblings, 0 replies; 4+ messages in thread
From: Richard Biener @ 2023-03-24 7:02 UTC (permalink / raw)
To: Martin Jambor; +Cc: GCC Patches, Gerald Pfeifer, Jan Hubicka
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&resolution=FIXED&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
^ permalink raw reply [flat|nested] 4+ messages in thread
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2023-03-21 19:24 [wwwdocs] Document support for znver4 in gcc-13/changes.html Martin Jambor
2023-03-22 10:11 ` Richard Biener
2023-03-23 18:05 ` Martin Jambor
2023-03-24 7:02 ` Richard Biener
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