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

Ronald Wahl Ronald.Wahl@informatik.tu-chemnitz.de
Mon Feb 17 18:35:00 GMT 2003


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



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