Re: optimization/9711: glibc 2.3.1 miscompiled (mcpu=i686, mcpu=athlon, -fomit-frame-pointer)

[Ronald Wahl <Ronald.Wahl@informatik.tu-chemnitz.de>]

The following reply was made to PR optimization/9711; it has been noted by GNATS.

From: Ronald Wahl <Ronald.Wahl@informatik.tu-chemnitz.de>
To: Wolfgang Bangerth <bangerth@ticam.utexas.edu>
Cc: gcc-bugs@gcc.gnu.org, <gcc-gnats@gcc.gnu.org>
Subject: Re: optimization/9711: glibc 2.3.1 miscompiled (mcpu=i686,
 mcpu=athlon, -fomit-frame-pointer)
Date: Mon, 17 Feb 2003 19:35:15 +0100

 On Mon, 17 Feb 2003 11:07:45 -0600 (CST), Wolfgang Bangerth wrote:
 
 >> Maybe we can forget all about my bug report if one could tell me if
 >> it should matter if I specify march/mcpu options in cc1_options
 >> instead of cc1_cpu in the spec file. If this really matters then it
 >> should be documented somewhere I think. I had these options appended
 >> to cc1_options. If I move'em to cc1_cpu the problems go away.
 
 > I don't know anything about the spec files.
 
 Just to prevent a misunderstanding here: I mean the "specs" file
 (/usr/lib/gcc-lib/<arch>/<version>/specs).
 
 > However, we would certainly be interested in having the piece of code
 > that you say is miscompiled being identified. If you could try to
 > track that down, and show us how it is miscompiled, that would be
 > great!
 
 Ok, I will try this but it may take some time.
 
 - ron