[flac-dev] Lets do a 1.3.2 release
lvqcl.mail at gmail.com
Tue Jan 19 13:04:44 PST 2016
Dave Yeo wrote:
>> I cannot find information what version of binutils supports AVX/AVX2/FMA
>> instructions, but IIRC OS/2 doesn't support AVX instructions anyway,
>> so it doesn't matter much.
> Surprisingly, I've yet to have a report of an AVX related crash or trap
> (used in FFmpeg and projects based on it, Mozilla, probably others).
> As I understand it, support is a matter of saving the extended registers
> during a context switch and perhaps our kernel had some future proofing
> added towards the end.
WinXP/Vista also don't support AVX but ffmpeg doesn't crash there.
IIRC, OS must explicitely enable AVX support, and an application must check
whether the OS supports AVX or not.
More information about the flac-dev