> -----原始邮件-----
> 发件人: "Jiaxun Yang" <jiaxun.y...@flygoat.com>
> 发送时间: 2021-07-29 14:32:35 (星期四)
> 收件人: ffmpeg-devel@ffmpeg.org
> 抄送: yinshiyou...@loongson.cn, "Jiaxun Yang" <jiaxun.y...@flygoat.com>
> 主题: [PATCH] avcodec/mips: Support old style mmi instruction mnemonics
>
> Loongson had renamed serval instruction mnemonics to distinguish
> integral and simd opreations. In ebedd26 ("libavcodec/mips: Fix
> specification of instruction name"), all old style mnemonics are
> replaced by the new one.
> However, upstream GCC doesn't support new style mnemonics, it breaks
> build.
> As stated by Loongson, their GCC toolchain support both style while
> clang only support the new one, we'll use new style for clang only.
>
> Signed-off-by: Jiaxun Yang <jiaxun.y...@flygoat.com>
> ---
> libavcodec/mips/blockdsp_mmi.c | 8 +-
> libavcodec/mips/h264chroma_mmi.c | 20 +--
> libavcodec/mips/h264dsp_mmi.c | 288 +++++++++++++++---------------
> libavcodec/mips/h264pred_mmi.c | 18 +-
> libavcodec/mips/h264qpel_mmi.c | 26 +--
> libavcodec/mips/hevcdsp_mmi.c | 32 ++--
> libavcodec/mips/hpeldsp_mmi.c | 26 +--
> libavcodec/mips/idctdsp_mmi.c | 2 +-
> libavcodec/mips/mpegvideo_mmi.c | 94 +++++-----
> libavcodec/mips/pixblockdsp_mmi.c | 8 +-
> libavcodec/mips/simple_idct_mmi.c | 14 +-
> libavcodec/mips/vc1dsp_mmi.c | 34 ++--
> libavcodec/mips/vp3dsp_idct_mmi.c | 132 +++++++-------
> libavcodec/mips/vp8dsp_mmi.c | 80 ++++-----
> libavcodec/mips/vp9_mc_mmi.c | 10 +-
> libavcodec/mips/wmv2dsp_mmi.c | 2 +-
> libavutil/mips/mmiutils.h | 22 +++
> 17 files changed, 419 insertions(+), 397 deletions(-)
>
I suggest adding 'pxor' check in configure
and adding 'pxor' support in upstream gcc/clang.
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