[FFmpeg-devel] [PATCH 0/4] avcodec Loongson-2 MMI fixes

殷时友 yinshiyou-hf at loongson.cn
Tue Feb 23 08:47:28 EET 2021


> 2021年2月19日 下午1:28,Jiaxun Yang <jiaxun.yang at flygoat.com> 写道:
> 
> Get MMI optimizations build for Loongson-2 again.
> Tested on Loongson-2 and Loongson-3A.
> 
> Jiaxun Yang (4):
>  avutil/mips: Use MMI_{L,S}QC1 macro in {SAVE,RECOVER}_REG
>  avutil/mips: Extract load store with shift C1 pair marco
>  avcodec/mips: Use MMI marcos to replace Loongson3 instructions
>  avutil/mips: Use $at as MMI macro temporary register
> 
> libavcodec/mips/h264chroma_mmi.c  |  26 +++-
> libavcodec/mips/h264dsp_mmi.c     |   8 +-
> libavcodec/mips/hevcdsp_mmi.c     | 251 ++++++++++++------------------
> libavcodec/mips/hpeldsp_mmi.c     |   1 +
> libavcodec/mips/simple_idct_mmi.c |  49 +++---
> libavcodec/mips/vp3dsp_idct_mmi.c |  11 +-
> libavcodec/mips/vp8dsp_mmi.c      | 100 +++++-------
> libavcodec/mips/vp9_mc_mmi.c      | 128 ++++++---------
> libavutil/mips/mmiutils.h         | 174 +++++++++++++--------
> 9 files changed, 350 insertions(+), 398 deletions(-)
> 
> -- 
> 2.30.1
> 
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It's better to merge first three patches into one, otherwise the first two patches will cause build error.




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