Just saw, these are not mentioned on the release notes. Ok to document these?
Matthias
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -690,6 +690,10 @@ You may also want to check out our
<li>GCC now supports AMD CPUs based on the <code>znver3</code> core
via <code>-march=znver3</code>.
</li>
+ <li>GCC now supports micro-architecture levels defined in the x86-64 psABI
+ via <code>-march=x86-64-v2</code>, <code>-march=x86-64-v3</code> and
+ <code>-march=x86-64-v4</code>.
+ </li>
</ul>
