Re: Documenting GCC 4.2 changes

[Stuart Hastings <stuart at apple dot com>]

On Dec 14, 2006, at 11:08 AM, Martin Michlmayr wrote:

> A few months ago I looked through the ChangeLog to identify changes to
> command line options in GCC 4.2 that were not yet documented at
> http://gcc.gnu.org/gcc-4.2/changes.html and I found several, including
> changes made by you.  I posted to the gcc list but since there was no
> response, I thought I'd personally mail you.  Can you please grep for
> your name and check whether it makes sense to submit an update for
> gcc-4.2/changes.html
>
> Thanks, and apologies in case this has been done already in the  
> meantime.
>
>
> * Martin Michlmayr <tbm@cyrius.com> [2006-08-23 23:15]:
> > I went through the ChangeLog (2006 only so far) to identify command
> > line options that should be documented in the GCC 4.2 changes page at
> > http://gcc.gnu.org/gcc-4.2/changes.html
> >
> > It would be nice if people listed below could submit patches for the
> > command line options they added/removed during the GCC 4.2 cycle.   
> > I'm
> > not sure how important it is to document options mostly aimed at GCC
> > developers, but it would be great if at least changes to common user
> > options could be documented.
[snip]
> > additions
> > =========
> >
> > 2006-07-17  J"orn Rennecke  <joern.rennecke@st.com>
> > (-fdump-noaddr): Document.
> >
> > 2006-05-12  Stuart Hastings  <stuart@apple.com>
> > -mstackrealign [i386]

----------------------------------------------------------------------------------------------------------
--- changes.html        2006-12-14 11:40:21.000000000 -0800
+++ 42changes.html      2006-12-14 11:46:14.000000000 -0800
@@ -176,6 +176,14 @@ GCC 4.2 Release Series<br />Changes, New
     <li>Added support for the Broadcom SB-1A core.</li>
   </ul>

+<h3>Intel x86</h3>
+  <ul>
+    <li>Added -fstackrealign and __attribute__  
((force_align_arg_pointer))
+        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>
+
 <h2><a name="obsolete_systems">Obsolete Systems</a></h2>

 <h2>Documentation improvements</h2>
----------------------------------------------------------------------------------------------------------

2006-12-14  Stuart Hastings  <stuart@apple.com>

	* changes.html (-fstackrealign, force_align_arg_pointer): Document.

Assuming this is approved, I'm don't know where to commit it.  Clues  
gratefully accepted.

stuart hastings
Apple Computer