On Wed, Apr 8, 2015 at 4:38 PM, Ian Romanick <i...@freedesktop.org> wrote: > From: Matt Turner <matts...@gmail.com> > > We propagate negations to the right-most leaves of the multiplication > expression trees: > > - mul(neg(x), neg(y)) -> mul(x, y) > - mul(neg(x), y) -> neg(mul(x, y)) > - mul(x, neg(y)) -> neg(mul(x, y))
I've had an updated version of this patch that propagates negates up multiplication trees. I've thought that would be better, but I've never gotten the changes to be profitable with NIR. This is an improvement as-is though, so let's do it. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
