[FFmpeg-devel] [PATCH] PPC64: Add versions of functions in libswscale/input.c optimized for POWER8 VSX SIMD.

[Mike Lieman]

A later patch to configure to make sure it was defined, so the breakage
stopped.  The patch for the configure option and the code should have been
atomic, IMNSHO.

On Thu, Jul 7, 2016 at 8:42 PM, Michael Niedermayer <michael at niedermayer.cc>
wrote:

> On Thu, Jun 30, 2016 at 03:36:31PM +0200, Michael Niedermayer wrote:
> > On Wed, Jun 29, 2016 at 04:15:12PM +0000, Dan Parrot wrote:
> > > This patch addresses Trac ticket #5570. The optimized functions are in
> file
> > > libswscale/ppc/input_vsx.c. Each optimized function name is a
> concatenation of the
> > > corresponding name in libswscale/input.c with suffix _vsx.
> > > ---
> > >  libswscale/ppc/Makefile       |   1 +
> > >  libswscale/ppc/input_vsx.c    | 437
> ++++++++++++++++++++++++++++++++++++++++++
> > >  libswscale/swscale.c          |   3 +
> > >  libswscale/swscale_internal.h |   1 +
> > >  4 files changed, 442 insertions(+)
> > >  create mode 100644 libswscale/ppc/input_vsx.c
> >
> > patch applied
> >
> > Please keep an eye on fate.ffmpeg.org, if it breaks on one of the ppc
> > machines i will revert the patch
>
> According to https://trac.ffmpeg.org/ticket/5570#comment:3
> this broke build on some machines
>
> [...]
>
> --
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
>
> It is dangerous to be right in matters on which the established authorities
> are wrong. -- Voltaire
>
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