[PATCH] x86: Tune Skylake, Cannonlake and Icelake as Haswell

[H.J. Lu]

On Sat, Jul 14, 2018 at 06:09:47PM +0200, Gerald Pfeifer wrote:
> On Fri, 13 Jul 2018, H.J. Lu wrote:
> > I will do the same for GCC8 backport.
> 
> Can you please add a note to gcc-8/changes.html?  This seems big
> enough to warrant a note in a part for GCC 8.2.
> 
> (At gcc-7/changes.html you can see how to go about this for minor
> releases.)
> 

Like this?

H.J.
---
Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-8/changes.html,v
retrieving revision 1.88
diff -u -p -r1.88 changes.html
--- changes.html	14 Jun 2018 13:52:35 -0000	1.88
+++ changes.html	14 Jul 2018 21:17:10 -0000
@@ -1312,5 +1312,23 @@ known to be fixed in the 8.1 release. Th
 complete (that is, it is possible that some PRs that have been fixed
 are not listed here).</p>
 
+<!-- .................................................................. -->
+<h2 id="GCC8.2">GCC 8.2</h2>
+
+<p>This is the <a href="https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=8.2">list
+of problem reports (PRs)</a> from GCC's bug tracking system that are
+known to be fixed in the 8.1 release. This list might not be
+complete (that is, it is possible that some PRs that have been fixed
+are not listed here).</p>
+
+<h3>Target Specific Changes</h3>
+
+<h4>IA-32/x86-64</h4>
+  <ul>
+    <li> <code>-mtune=native</code> performance regression
+	 <a href="https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84413">PR84413</a>
+	 on Intel Skylake processors has been fixed.</li>
+  </ul>
+
 </body>
 </html>