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RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.7/changes.html,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- changes.html 4 Apr 2011 07:08:12 -0000 1.6
+++ changes.html 10 Apr 2011 09:28:44 -0000 1.7
@@ -61,8 +61,12 @@
<h3>Fortran</h3>
<ul>
- <li>The compiler now always eliminates duplicate calls of pure
functions
- within a single scalar expression. The
+ <li>Front-end optimizations can now be selected by the
+ <code>-ffrontend-optimize</code> option and deselected by
+ the <code>-fno-frontend-optimize</code> option.</li>
+ <li>When front-end optimization removes a function call, the
+ <code>-Wfunction-elimination</code> warns about the removal.</li>
+ <li>When performing front-end-optimzation, the
<code>-faggressive-function-elimination</code> option
allows the removal of duplicate function calls even for impure
functions.</li>