| Message ID | ri68rfpx5z3.fsf@suse.cz |
|---|---|
| State | New |
| Headers | show |
| Series | [wwwdocs] Document support for znver4 in gcc-13/changes.html | expand |
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> -->
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
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
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> -->