On Sat, Feb 28, 2015 at 11:32 AM, Thomas Helland <thomashellan...@gmail.com> wrote: > Shader-db i965 instructions: > total instructions in shared programs: 1715894 -> 1710802 (-0.30%) > instructions in affected programs: 443080 -> 437988 (-1.15%) > helped: 1502 > HURT: 13 > GAINED: 4 > LOST: 4 > > Shader-db NIR instructions: > total instructions in shared programs: 607710 -> 606187 (-0.25%) > instructions in affected programs: 208285 -> 206762 (-0.73%) > helped: 769 > HURT: 8 > GAINED: 0 > LOST: 0 > > Signed-off-by: Thomas Helland <thomashellan...@gmail.com> > --- > src/glsl/nir/nir_opt_algebraic.py | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/src/glsl/nir/nir_opt_algebraic.py > b/src/glsl/nir/nir_opt_algebraic.py > index 7bf6431..688ceff 100644 > --- a/src/glsl/nir/nir_opt_algebraic.py > +++ b/src/glsl/nir/nir_opt_algebraic.py > @@ -56,6 +56,8 @@ optimizations = [ > (('iabs', ('ineg', a)), ('iabs', a)), > (('fadd', a, 0.0), a), > (('iadd', a, 0), a), > + (('fadd', ('fmul', a, b), ('fmul', a, c)), ('fmul', a, ('fadd', b, c))),
Neither of the optimizations added in these two patches are safe for floating-point values, strictly speaking. I think we're probably okay with that though, at least for now. Both are Reviewed-by: Matt Turner <matts...@gmail.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev