On Thu, Jan 8, 2015 at 10:59 PM, Matt Turner <matts...@gmail.com> wrote: > The pattern > > gl_FrontFacing ? -0.0 : -1.0 > > appears in many shaders, but there's no significance of the 0.0's sign > since it the result of the expression is always used in an addition. > > Getting the sign bit right would be an extra OR instruction and seems > unnecessary. > > total instructions in shared programs: 5884883 -> 5883393 (-0.03%) > instructions in affected programs: 194415 -> 192925 (-0.77%) > GAINED: 2 > LOST: 0 > > (one of the GAINED programs had been lost in the previous commit) > ---
And on Ironlake: total instructions in shared programs: 4413238 -> 4412404 (-0.02%) instructions in affected programs: 165044 -> 164210 (-0.51%) _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
