[vlc-devel] commit: Win32: use IsProcessorFeaturePresent() to detect available instructions (Geoffroy Couprie )

Jean-Baptiste Kempf jb at videolan.org
Sun Jan 17 10:52:17 CET 2010

On Sun, Jan 17, 2010 at 11:39:19AM +0200, Rémi Denis-Courmont wrote :
> But what's the risk that CPUID would be wrong? If I understand right, VLC 
> checked CPU features with SIGILL because some very very old operating systems 
> did not handle certain features of some very old processors. I assume this 
> only ever has been a problem with MMX and SSE if at all.

On windows, cpuid being wrong is very not likely. And I would also say
so for every OS that VLC runs on.

Best Regards,

Jean-Baptiste Kempf

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