On Thu, May 14, 2015 at 03:31:15PM +0800, rongyan wrote: > Hi, > We got defective video when use GCC 4.9.2 instead of GCC 4.9.1 to compile > FFMEPG. And further found that GCC 4.8 and 4.9 need patch to fix the > lvsl/lvsr bug on POWER LE, and GCC 5.1 contains the correct code since its > release. The message on gcc-patches requesting approval for lvsl/lvsr patch > is at https://gcc.gnu.org/ml/gcc-patches/2014-10/msg00228.html. > > So we create this patch to fix the lvsl bug for libavcodec/ppc/h264dsp.c, > the fixed code avoid using lvsl and will not depends on GCC version, also it > uses less instructions on POWER LE. > > The fate test before fixing is: > > > And after fixing is: > > > Thanks for your review. > > Rong Yan > > ------------------ > The world has enough for everyone's need, but not enough for everyone's > greed.
> h264dsp.c | 26 +++++++++++++++----------- > 1 file changed, 15 insertions(+), 11 deletions(-) > 52aeb0bb08d955232f344bb4192365b1a359f9d8 > 0001-avcodec-ppc-h264dsp-POWER-LE-support-in-h264_idct_dc.patch > From e0a432223f1b7b26afd15e2c08faebe6dc8e15f8 Mon Sep 17 00:00:00 2001 > From: Rong Yan <rongyan...@gmail.com> > Date: Thu, 14 May 2015 06:43:44 +0000 > Subject: [PATCH] avcodec/ppc/h264dsp: POWER LE support in > h264_idct_dc_add_internal() fix vec_lvsl bug applied thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Those who are best at talking, realize last or never when they are wrong.
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