Hi Matt, On vie, 2015-02-27 at 11:38 -0800, Matt Turner wrote: > On Fri, Feb 27, 2015 at 11:34 AM, Matt Turner <matts...@gmail.com> wrote: > > We can safely propagate the conditional mod to an instruction with a > > different type if the conditional mod does not involve comparing for > > equality with zero (or probably NaN, but ignore that for now). > > > > This is because -0.0 and +0.0 are both test equal to zero, but their > > integer representations do not. > > > > Cc: 10.5 <mesa-sta...@lists.freedesktop.org> > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89317 > > --- > > As a note -- I couldn't really confirm that the -0.0/+0.0 integer > comparison issue I described was indeed the problem reported in that > bug. It's the only thing my mind could come up with, and I couldn't > get any breakpoints to trigger in the deQP test to investigate more > what was going on.
FWIW, I have just tested the patch and it does fix the regressed dEQP tests mentioned in the bug report. Iago _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
