On Tue, Oct 20, 2015 at 1:01 AM, Iago Toral <ito...@igalia.com> wrote: > On Mon, 2015-10-19 at 21:08 -0700, Matt Turner wrote: >> Otherwise we'd emit a MOV from the null register (which isn't allowed). >> >> Helps 24 programs in shader-db (the geometry shaders in GSCloth): >> >> instructions in affected programs: 302 -> 262 (-13.25%) > > Makes sense to me, > > Reviewed-by: Iago Toral Quiroga <ito...@igalia.com> > > Out of curiosity, does moving from the null register have any actual > consequences?
The documentation says that it's not allowed, and I *think* I've seen a case where it caused a GPU hang but I cannot remember for sure. _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
