[FFmpeg-devel] patch 1/4: libavcodec/ppc/pixblockdsp.c: fix get_pixels_altivec() and diff_pixels_altivec() for POWER LE

Michael Niedermayer michaelni at gmx.at
Thu Oct 2 03:38:50 CEST 2014

On Tue, Sep 30, 2014 at 07:51:38PM +0200, Reimar Döffinger wrote:
> On Tue, Sep 30, 2014 at 03:51:55PM +0800, rongyan wrote:
> > Hi,
> >  I present 4 patches to fix bugs for POWER8 little endian.
> >  I will send 4 patches in 4 different email. This is the first.
> > The fate test result after merge these 4 patches can be found on http://fate.ffmpeg.org/ by search "ibmcrl", also attached here to facilitate the review:
> > 
> > 
> > ​
> > The passed test cases increased from 1649/2169 to 1675/2174.
> This one seems wrong.
> I assume HAVE_VSX is a feature related define, which means it should
> be possible to disable it without breaking anything.
> If the altivec implementation is broken on little-endian,
> the correct bug-fix is to disable it.
> Then as a next step can a different optimized implementation be added.

you mean

if so this would also apply to the other patches probably and also to
existing code in git though

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The educated differ from the uneducated as much as the living from the
dead. -- Aristotle 
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