[FFmpeg-devel] Amazing intrinsics improvments in gcc 4

Michael Niedermayer michaelni
Wed Mar 19 23:29:54 CET 2008


On Wed, Mar 19, 2008 at 11:20:11PM +0100, Luca Barbato wrote:
> Michael Niedermayer wrote:
> > On Wed, Mar 19, 2008 at 08:22:32PM +0100, Reimar D?ffinger wrote:
> >> Uh. "excellent code" seems a _bit_ exaggerated to me here...
> > 
> > Well it has just 3 unneeded instructions between 5 needed ones, thats <50%
> > id say that is pretty good for gcc ;)
> > 
> 
> Yet an huge improvement =)

Relative to 4.3 yes but 3.4 had just 1 unneeded instructions between 5 needed
ones. So its still worse than it was ...


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The misfortune of the wise is better than the prosperity of the fool.
-- Epicurus
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