amd athlon is i686 for gcc ?

Thomas T. Veldhouse veldy at veldy.net
Sat Jun 24 07:35:37 PDT 2000


Yes, but I wouldn't use O3 if I were you.  There are still known bugs in the
optimization code of gcc 2.95.2 for all levels above O.  Although for most
apps it will work - not everything.  This is especially true on the alpha
platform.

Use 686.

Tom Veldhouse
veldy at veldy.net

----- Original Message -----
From: "seb" <didbaba at free.fr>
To: <lfs-discuss at linuxfromscratch.org>
Sent: Saturday, June 24, 2000 8:01 AM
Subject: amd athlon is i686 for gcc ?


> hello,
>
> I try some optimisation with gcc,
> only one question, is it ok to use
>
> export CFLAGS="-O3 -mcpu=pentiumpro -march=pentiumpro"
> export CXXFLAGS="-O3 -mcpu=pentiumpro -march=pentiumpro"
>
> if my processor is an athlon 550.
>
> I didn't see any information on info page of gcc about athlon, and I
> suppose that i686=pentiumpro ?
>
>
> --
> seb
> --
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