On Wed, 6 Jun 2012, Steven Bosscher wrote: > The attached patch removes the -fconserve-space flag, as discussed last > week. Bootstrapped&tested on powerpc64-unknown-linux-gnu. OK for trunk?
How about the following for the release notes? (Happy to use a different/better rationale. This one's borrowed from the old documentation. ;) Gerald Index: changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v retrieving revision 1.17 diff -u -3 -p -r1.17 changes.html --- changes.html 20 Aug 2012 12:23:39 -0000 1.17 +++ changes.html 26 Aug 2012 00:11:29 -0000 @@ -38,7 +38,7 @@ explicit use of vector types may be inco built with older versions of GCC. Auto-vectorized code is not affected by this change.</p> -<h2>General Optimizer Improvements</h2> +<h2>General Optimizer Improvements (and Changes)</h2> <ul> <li>A new option <code>-ftree-partial-pre</code> was added to control @@ -46,6 +46,9 @@ by this change.</p> This option is enabled by default at the <code>-O3</code> optimization level, and it makes PRE more aggressive. </li> + <li>The option <code>-fconserve-space</code> has been removed; it + was no longer useful on most targets since GCC supports putting + variables into BSS without making them common.</li> </ul>