Documenting GCC 4.2 changes

[Gerald Pfeifer]

On Thu, 14 Dec 2006, Mike Stump wrote:
> I think the change looks fine but let's give people a day to comment on 
> the wording, if no other suggestions, this is Ok.

Stuart, Mike, as far as I see you have not committed your patch yet, so I 
went ahead and made some slight markup changes, broke the long sentence 
and moved this a bit up.

If you agree, I can commit this updated patch so you don't have to check
out wwwdocs.

Gerald

Index: gcc-4.2/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.2/changes.html,v
retrieving revision 1.18
diff -u -3 -p -r1.18 changes.html
--- gcc-4.2/changes.html	25 Dec 2006 14:53:12 -0000	1.18
+++ gcc-4.2/changes.html	1 Jan 2007 17:15:01 -0000
@@ -131,8 +131,18 @@
 	functionality as <code>fastjar</code>.</li>
   </ul>
 
+
 <h2>New Targets and Target Specific Improvements</h2>
 
+<h3>IA-32/x86-64</h3>
+  <ul>
+    <li>Added a new command line option <code>-fstackrealign</code> and
+        and <code>__attribute__ ((force_align_arg_pointer))</code>
+        to realign the stack at runtime.  This allows functions compiled
+        with a vector-aligned stack to be invoked from legacy objects
+        that keep only word-alignment.</li>
+  </ul>
+
 <h3>SPARC</h3>
   <ul>
     <li>The default CPU setting has been changed from V7 to V9 in 32-bit
@@ -163,6 +173,7 @@
         scheduler passes.</li>
   </ul>
 
+
 <h2><a name="obsolete_systems">Obsolete Systems</a></h2>
 
 <h2>Documentation improvements</h2>