zarb-ml/mageia-dev/2012-December/020571.html


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   <H1>[Mageia-dev] Clanlib2 and SSE2 on i586</H1>
    <B>Olivier Blin</B> 
    <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Clanlib2%20and%20SSE2%20on%20i586&In-Reply-To=%3Cm3mwxtjxk2.fsf%40euphor.blino.org%3E"
       TITLE="[Mageia-dev] Clanlib2 and SSE2 on i586">mageia at blino.org
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    <I>Tue Dec  4 22:51:25 CET 2012</I>
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<PRE>Guillaume Rousse &lt;<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">guillomovitch at gmail.com</A>&gt; writes:

&gt;<i> Le 03/12/2012 23:42, zezinho a &#233;crit :
</I>&gt;&gt;<i> Trying to launch openalchemist gave me a crash because Clanlib2 uses
</I>&gt;&gt;<i> SSE2 on SSE2 systems for software rendering, while we disabled it at
</I>&gt;&gt;<i> configure.
</I>&gt;&gt;<i>
</I>&gt;&gt;<i> What should we do? I think enabling it is better, as all i586 CPU with
</I>&gt;&gt;<i> less than 10 years come with SSE2. But our policy forbids it ;-)
</I>&gt;<i> Cool. Now we have software crashing because they don't use available
</I>&gt;<i> features, what a nice idea...
</I>
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
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