[cairo] [PATCH] speed up fbOver

[Soeren Sandmann]

Jeff Muizelaar <jeff at infidigm.net> writes:

> On Wed, Jul 16, 2008 at 04:58:34PM -0400, Jeff Muizelaar wrote:
> > On Wed, Jul 16, 2008 at 10:11:24PM +0200, Soeren Sandmann wrote:
> > > Jeff Muizelaar <jeff at infidigm.net> writes:
> > > 
> > > > The attached patch nearly doubles the speed of fbCompositeSrc_8888x8888
> > > > on my core duo 2 with gcc 4.0.1.
> > > 
> > > The patch looks correct to me, but I'd like to know how you measured
> > > the speedup, and what the gain was from inlining.
> 
> In regards to your comment on IRC about copying FbByteMulAdd. There was
> no great reason. I was looking at doing an ARM assembler version and

Btw,. if you are interested in ARM, this bug:

    https://bugs.freedesktop.org/show_bug.cgi?id=13445

may be interesting. 


Soren