other/8947: Please add a Warning about "-malign-double" in docs

[Daniel Jacobowitz]

The following reply was made to PR other/8947; it has been noted by GNATS.

From: Daniel Jacobowitz <drow@mvista.com>
To: Janis Johnson <janis187@us.ibm.com>
Cc: gcc-gnats@gcc.gnu.org, norbert_wolff@t-online.de
Subject: Re: other/8947: Please add a Warning about "-malign-double" in docs
Date: Fri, 3 Jan 2003 21:27:13 -0500

 On Fri, Jan 03, 2003 at 03:55:05PM -0800, Janis Johnson wrote:
 > The mainline version of install.texi includes the following
 > after the description of -malign-double:
 > 
 >   @strong{Warning:} if you use the @samp{-malign-double}
 >   switch, structures containing the above types will be
 >   aligned differently than the published application binary
 >   interface specifications for the 386.
 > 
 > If that's not strong enough, we could also add:
 > 
 >   Code compiled with @option{-malign-double} is not binary
 >   compatible with code compiled without that switch.
 > 
 > Similar language is now used for warnings about several
 > other options.
 
 I think that your proposed addition is exactly what we should say about
 this; it's much clearer to the layperson.
 
 -- 
 Daniel Jacobowitz
 MontaVista Software                         Debian GNU/Linux Developer