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PATCH: Mention x86 configure changes for gcc 4.5.0
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Fri, 26 Feb 2010 07:03:31 -0800
- Subject: PATCH: Mention x86 configure changes for gcc 4.5.0
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
Hi,
This patch mentions the new -with-fpmath=sse opton and default
values for -march=/-mtune= based on the configure target. OK
to install?
Thanks.
H.J.
Index: htdocs/gcc-4.5/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.5/changes.html,v
retrieving revision 1.73
diff -u -p -r1.73 changes.html
--- htdocs/gcc-4.5/changes.html 22 Feb 2010 14:55:56 -0000 1.73
+++ htdocs/gcc-4.5/changes.html 26 Feb 2010 15:01:36 -0000
@@ -585,6 +585,10 @@ transformed via the <code>-D_GLIBCXX_PRO
disabled using <code>-fexcess-precision=fast</code>.</li>
<li>Support for the Intel Atom processor is now available through the
<code>-march=atom</code> and <code>-mtune=atom</code> options.</li>
+ <li>Gcc now will set the default values for <code>-march=</code> and
+ <code>-mtune=</code> based on the configure target.</li>
+ <li>SSE math now can be enabled by default at configure time with the
+ new <code>--with-fpmath=sse</code> option.</li>
</ul>
<h3>M68K/ColdFire</h3>