Subject: Re: [linux-audio-dev] MMX, SSE, SSE2, 3DNOW
From: David Burrows (snadge_AT_ugh.net.au)
Date: Sun Feb 17 2002 - 04:06:07 EET
On 16 Feb 2002, Alexander Ehlert wrote:
> Hi,
>
> AFAIK there are no flags whatsoever to indicate which processor a plugin
> might use. So if someone wants to hack a plugin that uses SSE
> instructions and someone else tries to use that on a host without SSE
> support -> crash. So wouldn't it be good to add some architecture flags,
> that could be queried by the host?
Under Linux with proc filesystem support you can simply take a look at
/proc/cpuinfo, specifically the flags line. There may even be some kind
of kernel syscall that returns the processor flags that are set/available.
Regards,
David.
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