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

[Zuxy Meng]

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....

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