[MPlayer-dev-eng] [PATCH] support to disable instruction sets when runtime cpu detection is used

[Zuxy Meng]

Hi,

2007/5/26, Onur Küçük <onur at delipenguen.net>:
>
> > Usually the definition of "RUNTIME_CPUDETECT" will cause mplayer build
> > all routines regardless of "HAVE_MMX", "HAVE_3DNOW", "HAVE_SSE2", etc.
> > so your patch against configure simply doesn't disabled anything.
> > Please refer to libvo/aclib.c and libvo/osd.c for example.
>
>  Yeap, sometimes it falls back to C but sometimes multiple
> inclusion with different #ifdef HAVE_ is done (like in
> libavcodec/i386/mpegvideo_mmx.c and libavcodec/i386/dsputil_mmx.c).
>
>  The idea was at first to be able to disable SSSE3. Binutils
> 2.10.1 is enough for other instruction sets but SSSE3 needs 2.16.92 and
> runtime-cpudetection forces a binutils update.
>
>  Disabling others seem pointless but it would be nice to be
> able to disable SSSE3 so you don't need to update binutils. 2.10.1 to
> 2.16.92 is a big jump.
>
>  How about the attached one, which only has "disable ssse3" support ?

I'm neutral about this. Diego?
-- 
Zuxy
Beauty is truth,
While truth is beauty.
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