Reviewed-by: Iago Toral Quiroga <[email protected]>
On Thu, 2018-05-31 at 17:21 -0700, Ian Romanick wrote: > From: Ian Romanick <[email protected]> > > Some trivial help now, but it also prevents ~40 regressions caused by > Samuel's "nir: implement the GLSL equivalent of if simplication in > nir_opt_if" patch. > > All Gen4+ platforms had similar results. (Skylake shown) > total instructions in shared programs: 14369557 -> 14369555 (<.01%) > instructions in affected programs: 442 -> 440 (-0.45%) > helped: 2 > HURT: 0 > > total cycles in shared programs: 532425772 -> 532425743 (<.01%) > cycles in affected programs: 6086 -> 6057 (-0.48%) > helped: 2 > HURT: 0 > > Signed-off-by: Ian Romanick <[email protected]> > Cc: Samuel Pitoiset <[email protected]> > Cc: Timothy Arceri <[email protected]> > --- > src/compiler/nir/nir_opt_algebraic.py | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/src/compiler/nir/nir_opt_algebraic.py > b/src/compiler/nir/nir_opt_algebraic.py > index f153570105b..fdfb0250b0b 100644 > --- a/src/compiler/nir/nir_opt_algebraic.py > +++ b/src/compiler/nir/nir_opt_algebraic.py > @@ -441,6 +441,7 @@ optimizations = [ > (('i2b', ('iabs', a)), ('i2b', a)), > (('fabs', ('b2f', a)), ('b2f', a)), > (('iabs', ('b2i', a)), ('b2i', a)), > + (('inot', ('f2b', a)), ('feq', a, 0.0)), > > # Packing and then unpacking does nothing > (('unpack_64_2x32_split_x', ('pack_64_2x32_split', a, b)), a), _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
