[FFmpeg-devel] gcc 2.95.3 support plan

[François Revol]

> Mike Melanson wrote:
> > Hi,
> >
> > r17059 (ASM optimizations by Loren) broke compilation on x86_32/gcc 
> > 2.95.3:
> >
> > /home/fate/fate32/source/libavcodec/x86/dsputil_mmx.c: In function
> > `add_hfyu_median_prediction_cmov':
> > /home/fate/fate32/source/libavcodec/x86/dsputil_mmx.c:580: more 
> > than 10
> > operands in `asm'
> >
> > I propose several options:
> >
> > 1. declare the configuration unsupported as of now and I remove the 
> > configuration from FATE
> >
> > 2. declare the configuration supported, but without optimizations, 
> > and 
> > I'll adjust FATE to build it with '--disable-mmx' (I just checked 
> > and 
> > this builds and passes regressions)
> >
> > 3. revert 17059 for now, declare that the upcoming release is the 
> > last 
> > one that will support the full configuration, and then re-apply 
> > Loren's 
> > optimizations; then declare either 1 or 2
> >
> > Which shall it be?
> >
> >   
> 
> 4. Add some ifdefs to disable the code on 2.95.3.
> 
> I'm in favor of this solution as I actually use this target.

For what it's worth I've long stopped trying to build with mmx in BeOS 
anyway... I know some ppl use gcc4 but it's really painful.

Fran?ois.