[FFmpeg-devel] [PATCH v2] configure: [loongson] adjust MMI check in configure

[金波]

Ping.

"yinshiyou-hf" <yinshiyou-hf at loongson.cn>写道：
> > -----原始邮件-----
> > 发件人: "Jin Bo" <jinbo at loongson.cn>
> > 发送时间: 2021-08-03 12:05:21 (星期二)
> > 收件人: ffmpeg-devel at ffmpeg.org
> > 抄送: 
> > 主题: [FFmpeg-devel] [PATCH v2] configure: [loongson] adjust MMI check in configure
> > 
> > After standardizing the use of 'pxor' in commit 'ebedd26', FFmpeg
> > build failed with upstream compiler, for 'pxor' is not supported
> > in time. This patch helps to workaround the build failure by
> > checking whether 'pxor' is supported during configuration, if not,
> > MMI will be disabled.
> > ---
> >  configure | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/configure b/configure
> > index 94b30afe74..2aea0f841a 100755
> > --- a/configure
> > +++ b/configure
> > @@ -5951,7 +5951,7 @@ elif enabled mips; then
> >      enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"' '-mloongson-ext' && append MMIFLAGS '-mloongson-ext'
> >  
> >      # MMI can be detected at runtime too
> > -    enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"' '-mloongson-mmi' && append MMIFLAGS '-mloongson-mmi'
> > +    enabled mmi && check_inline_asm mmi '"pxor $f0, $f0, $f0"' '-mloongson-mmi' && append MMIFLAGS '-mloongson-mmi'
> >  
> >      if enabled bigendian && enabled msa; then
> >          disable msa
> > -- 
> > 2.20.1
> > 
> LGTM
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel at ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".