[Patch] GCN update for wwwdocs / libgomp.texi

[Tobias Burnus <tobias@codesourcery.com>]

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Hi Andrew,

attached are two patches related to GCN, one for libgomp.texi documenting an env var
and a release-notes update in www docs.

OK? Comments?

Tobias

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gcc-13/changes.html: Mention SIMD and updated newlib requirement
diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index a803f501..e7a342d3 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -374,6 +374,10 @@ a work-in-progress.</p>
   <li>Support for the Instinct MI200 series devices (<a
       href="https://gcc.gnu.org/onlinedocs/gcc/AMD-GCN-Options.html">
       <code>gfx90a</code></a>) has been added.</li>
+  <li>SIMD vectorization support has been improved; this and stack-handling
+      changes <a
+      href="https://gcc.gnu.org/install/specific.html#amdgcn-x-amdhsa">require</a>
+      newlib 4.3.0 (or newer).</li>
 </ul>
 
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