[Ffmpeg-devel] [BUG] Compilation failure when using --disable-opts

Michael Niedermayer michaelni
Thu Mar 15 00:41:53 CET 2007


Hi

On Wed, Mar 14, 2007 at 10:16:59PM +0000, M?ns Rullg?rd wrote:
> Panagiotis Issaris <takis at issaris.org> writes:
[...]
> >> And are you certain that this is correct for x86_64?  Is the check
> >> even needed there, what with all the extra registers?
> > Actually, I do not really know... I figured that because x86_64 is
> > backwards compatible
> 
> The instruction set is compatible, meaning that everything that works
> on 32-bit x86 still works on a 64-bit chip.  Things that don't work on
> 32-bit chips might still be possible.  8 extra registers come to
> mind...
> 
> > the registers are still there and the tests should still work. In the
> > worst case the tests would be unnecessary ofcourse... Prefer to remove
> > it and only add it when someone figures out how this works on x86_64?
> 
> I don't think this is very urgent, so I'd rather wait a day for
> someone with the knowledge to shed some light.

the tests should be run on x86_64 too

[...] 

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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