pentalis at gmail.com
Tue Oct 30 22:49:24 UTC 2012
On Mon, Oct 29, 2012 at 9:18 AM, Dmitry Kazakov <dimula73 at gmail.com> wrote:
> Well, the integer solution might be quite good idea for some of the
> composite ops. When I investigated into the topic, I thought about it, but I
> faced with two problems I had no idea how to solve it:
> 1) The sse instruction set does not have integer division instruction. So it
> will have to be workarounded somehow.
> 2) Integer multiplication instructions change the size of the operands. I
> didn't know how to solve it properly.
Forgive me if I say something completely out of place, but if you mean
you get out-of-bond errors with integer multiplication, there are MMX
operations that solve the bound problem by clipping values.
> I guess, both of these these problems are solvable, but right now I don't
> know how to deal with them.
> Dmitry Kazakov
> kimageshop mailing list
> kimageshop at kde.org
More information about the kimageshop