[MPlayer-dev-eng] Re: [MPlayer-users] [BUG] mp3lib crashes

Michael Niedermayer michaelni at gmx.at
Fri Sep 20 00:35:11 CEST 2002


Hi

On Friday 20 September 2002 00:40, Arpi wrote:
> Hi,
>
> > > > gcc 2.95.4
> > > > binutils 2.12.90.0.1
> > > >
> > > > K6-III 500 512MB RAM
> > > >
> > > > 0x80bdedc <dct64_MMX_3dnowex+48>:	pshufw $0x4e,0x78(%eax),%mm1
> > > > 0x80bdee1 <dct64_MMX_3dnowex+53>:	pshufw $0x4e,0x70(%eax),%mm5
> > >
> > > crashes here
> > >
> > > looks like Nick's 'speedup' patch is broken on k6-iii ?
> > > afaik 3dnowex is athlon only, k6 can do normal 3dnow only
> >
> > Yes, Athlons have an extended 3DNOW! instruction set that the K6 lacks.
>
> hmm. but, according the mplayer -v output you quoted you have mplayer
> compiled with 3dnowex support enabled. did you forced it, or cpudetect
> failed or your cpu has partial 3dnowex support or what?
pshufw is a mmx2 instruction
k6-3+ & k6-2+ do support 3dnowex but not mmx2 according to 
http://www.sandpile.org/impl/k6.htm

[...]

Michael



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