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Re: optimization/9711: glibc 2.3.1 miscompiled (mcpu=i686,mcpu=athlon, -fomit-frame-pointer)
- From: Ronald Wahl <Ronald dot Wahl at informatik dot tu-chemnitz dot de>
- To: Wolfgang Bangerth <bangerth at ticam dot utexas dot edu>
- Cc: gcc-bugs at gcc dot gnu dot org, <gcc-gnats at gcc dot gnu dot org>
- Date: Mon, 17 Feb 2003 19:35:15 +0100
- Subject: Re: optimization/9711: glibc 2.3.1 miscompiled (mcpu=i686,mcpu=athlon, -fomit-frame-pointer)
- References: <Pine.LNX.4.44.0302171106100.15697-100000@gandalf.ticam.utexas.edu>
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