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Re: Intel 386 and AMD x86-64 Options


> > I want to know if there is any difference in using -march=i686,
> > -march=pentium3, -march=athlon, -march=athlon-xp or if they are all
> > synonyms of -march=i686.
> 
> They are not synonyms.  P3 adds SSE1, Athlon has different
> scheduling characteristics, etc.  You also failed to mention P4,
> but perhaps that was obvious.

Yes, I did not mention P4 because it belongs to family 15. Where can I
get a list of which parameter corresponds with each procesor. In the
"AMD processor recognition application note" (#20734) There is no Athlon
Tbird, and there is an option for that processor in the -march
parameter.

-- 

Ander Lozano Pérez
ander1 at wanadoo dot es

Desarrollador de DiaSCE
http://diasce.es.gnome.org
diasce at es dot gnome dot org
irc.gnome.org #DiaSCE

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