[FFmpeg-devel] [PATCH] Disable MSA for big-endian mips cpu

Michael Niedermayer michael at niedermayer.cc
Fri May 26 16:42:55 EEST 2017


On Fri, May 26, 2017 at 03:40:20PM +0200, Michael Niedermayer wrote:
> On Fri, May 26, 2017 at 04:08:55PM +0530, shivraj.patil at imgtec.com wrote:
> > From: Shivraj Patil <shivraj.patil at imgtec.com>
> > 
> > Signed-off-by: Shivraj Patil <shivraj.patil at imgtec.com>
> > ---
> >  libavcodec/mips/Makefile                    |    2 ++
> >  libavcodec/mips/blockdsp_init_mips.c        |    8 ++++----
> >  libavcodec/mips/h263dsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/h264chroma_init_mips.c      |    8 ++++----
> >  libavcodec/mips/h264dsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/h264pred_init_mips.c        |    8 ++++----
> >  libavcodec/mips/h264qpel_init_mips.c        |    8 ++++----
> >  libavcodec/mips/hevcdsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/hevcpred_init_mips.c        |    8 ++++----
> >  libavcodec/mips/hpeldsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/idctdsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/me_cmp_init_mips.c          |    8 ++++----
> >  libavcodec/mips/mpegvideo_init_mips.c       |    8 ++++----
> >  libavcodec/mips/mpegvideoencdsp_init_mips.c |    8 ++++----
> >  libavcodec/mips/pixblockdsp_init_mips.c     |    8 ++++----
> >  libavcodec/mips/qpeldsp_init_mips.c         |    8 ++++----
> >  libavcodec/mips/vp8dsp_init_mips.c          |    8 ++++----
> >  libavcodec/mips/vp9dsp_init_mips.c          |    8 ++++----
> >  18 files changed, 70 insertions(+), 68 deletions(-)
> 
> Why does none of this code work on big endian mips ?
> 
> Is it difficult to make it work ?
> 
> Is it certain that the "disabled" code does not work on
> big endian mips ?
> 
> Is it known that the reason for it not working is the endianness or
> could it be a unrelated issue that makes it work on neither endianness?

and i forgot the CC, so repling with CC (sorry)

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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