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