[FFmpeg-devel] [PATCH] enable [fast_]cmov on atom

Janne Grunau janne-ffmpeg
Tue Aug 24 19:58:45 CEST 2010


On Mon, Aug 23, 2010 at 11:16:41PM +0100, M?ns Rullg?rd wrote:
> Janne Grunau <janne-ffmpeg at jannau.net> writes:
> 
> > Index: configure
> > ===================================================================
> > --- configure	(revision 24893)
> > +++ configure	(working copy)
> > @@ -2105,7 +2105,7 @@
> >              disable cmov
> >          ;;
> >          # targets that do support conditional mov (cmov)
> > -        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
> > +        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona|atom)
> >              cpuflags="-march=$cpu"
> >              enable cmov
> >              enable fast_cmov
> 
> If that's how it is, then patch OK.

yes, get_cabac get's margially faster with HAVE_FAST_CMOV defined to 1

applied
> 
> -- 
> M?ns Rullg?rd
> mans at mansr.com
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