[FFmpeg-devel] [PATCH 07/11] avcodec/mips: loongson optimize h264qpel with mmi v2

[Michael Niedermayer]

On Wed, May 25, 2016 at 05:40:44PM +0800, 周晓勇 wrote:
> i have fix up the error functions in h264qpel_mmi, please try the new patch below
> 
> 
> ---
> From a55e3a93a30226e3f0fb7d2d8ac43e74b5eae5d6 Mon Sep 17 00:00:00 2001
> From: ZhouXiaoyong <zhouxiaoyong at loongson.cn>
> Date: Wed, 25 May 2016 16:07:38 +0800
> Subject: [PATCH] avcodec/mips/h264qpel_mmi.c: Version 2 of the optimizations
>  for loongson mmi
> 
> 
> 1. no longer use the register names directly and optimized code format
> 2. to be compatible with O32, specify type of address variable with mips_reg and handle the address variable with PTR_ operator
> 3. use uld and mtc1 to workaround cpu 3A2000 gslwlc1 bug (gslwlc1 instruction extension bug in O32 ABI)
> 4. h264qpel use hepldsp optimizations
> ---
>  libavcodec/mips/h264qpel_mmi.c | 3824 +++++++++++++++++++++++-----------------
>  1 file changed, 2225 insertions(+), 1599 deletions(-)

applied

thanks

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

When you are offended at any man's fault, turn to yourself and study your
own failings. Then you will forget your anger. -- Epictetus
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