[MPlayer-dev-eng] Re: Clean up fancy -march in configure

[Zuxy Meng]

2006/10/16, Zuxy Meng <zuxy.meng at gmail.com>:
> Hi,
>
> 2006/10/16, Guillaume Poirier <gpoirier at mplayerhq.hu>:
> > Hi,
> >
> > Zuxy Meng wrote:
> > > 2006/10/16, Zuxy Meng <zuxy.meng at gmail.com>:
> > >
> > >> Hi,
> > >>
> > >> MPlayer only makes use of a subset of gcc -march options because most
> > >> of them are simply aliases and it seems that there's no need to check
> > >> all those fancy gcc options.
> >
> > Do you know where in GCC source code are these aliases defined?
>
> In gcc/config/i386/i386.c, you can see that many options are in fact
> the same in meaning.
>
> >
> > > -    if test "$proc" = "nocona" || test "$proc" = "prescott" ; then
> > > +    if test "$proc" = "prescott" ; then
> >
> > prescott != nocona in GCC docs: nocona supports x86-64 mode, prescott
> > doesn't.
>
> That line is in the x86-64 part....

Sorry, should be: That line is the x86 part and we don't use nocona under x86.

-- 
Zuxy
Beauty is truth,
While truth is beauty.
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