[Mageia-dev] Clanlib2 and SSE2 on i586

Olivier Blin mageia at blino.org
Tue Dec 4 22:51:25 CET 2012


Guillaume Rousse <guillomovitch at gmail.com> writes:

> Le 03/12/2012 23:42, zezinho a écrit :
>> Trying to launch openalchemist gave me a crash because Clanlib2 uses
>> SSE2 on SSE2 systems for software rendering, while we disabled it at
>> configure.
>>
>> What should we do? I think enabling it is better, as all i586 CPU with
>> less than 10 years come with SSE2. But our policy forbids it ;-)
> Cool. Now we have software crashing because they don't use available
> features, what a nice idea...

Recent CPUs also all come out with x86_64 support, so the i586 port is
basically only used for older CPUs.
It makes sense to not enable SSE* optimizations for i586, to be
compatible with Geode/VIA/etc processors.

-- 
Olivier Blin - blino


More information about the Mageia-dev mailing list