On Mon, Feb 8, 2016 at 5:16 PM, Matt Arsenault <arse...@gmail.com> wrote: > > On Feb 8, 2016, at 08:08, Tom Stellard <t...@stellard.net> wrote: > > Do SI/CI support fp64 denorms? If so, won't this hurt performance? > > We should tell the compiler we are enabling fp-64 denorms by adding > +fp64-denormals to the feature string. It would also be better to > read the float_mode value from the config registers emitted by the > compiler. > > > Yes, the runtime here should read the value out of the binary and enable it > in the compiler rather than the runtime hardcoding it. If you wanted to load > a shader with different FP rules for example it should be able to switch.
This is not the runtime. This is the compiler. :) It's the middle-end though, not the back-end. I would use +fp64-denormals if it did something to graphics shaders. Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
