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Re: [patch][4.5] Backport Mach-O LTO support
On Thu, Jun 24, 2010 at 10:26 PM, Richard Guenther
<richard.guenther@gmail.com> wrote:
> On Thu, Jun 24, 2010 at 9:38 PM, Steven Bosscher <stevenb.gcc@gmail.com> wrote:
>> Hi,
>>
>> Pretty straight-forward port of the patches from trunk to gcc 4.5.1.
>> There are new test suite failures if configured with --enable-lto but
>> those are the same as on trunk (where some test cases have been
>> patched to xfail ELF-isms in the lto test suite).
>>
>> Bootstrapped & tested on x86_64-unknown-linux-gnu. OK for GCC 4.5?
>
> Ok. ?Can you amend gcc-4.5/changes.html (adding a GCC 4.5.1 section
> like we have for previous releases)?
Sure. Like so?
Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.5/changes.html,v
retrieving revision 1.91
diff -u -r1.91 changes.html
--- changes.html 6 Jun 2010 13:36:29 -0000 1.91
+++ changes.html 24 Jun 2010 20:50:08 -0000
@@ -832,6 +832,23 @@
</li>
</ul>
+<h2><a name="4.5.1">GCC 4.5.1</a></h2>
+
+<h3>All languages</h3>
+ <ul>
+ <li><p>GCC's new link-time optimizer (<code><a
+ href="http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#index-flto-801";
+ >-flto</a></code>) now also works on a few non-ELF targets:</p>
+
+ <ul>
+ <li>Cygwin (*-cygwin*)</li>
+ <li>MinGW (*-mingw*)</li>
+ <li>Darwin on x86-64 (x86_64-apple-darwin*)</li>
+ <ul>
+
+ <p>LTO is not enabled by default for these targets. To enable LTO,
+ you should configure with the <code>--enable-lto</code> option.</p>
+ </ul>
</body>
</html>