2017-01-12 22:54 GMT+01:00 Axel Davy <axel.d...@ens.fr>: > > Preventing NaN from being generated is not sufficient to fix the 0*inf = 0 > issue. > > For example radeonsi does convert all NaN to zeros via a hardware setting. > > But 0*inf = 0 behaviour should be also in mad, and with the NaN to zero > conversion, you get 0 * inf + 24 = 0 instead of 24.
Do you refer to the d3d9 MAD or the hardware instruction? If the former, just generating MUL and ADD separately should do the trick. In the latter case, I guess that means the "NaN switch" should also affect code generation (although I think that should be already covered by the "precise" qualifier.) _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
