From: Ian Romanick <ian.d.roman...@intel.com>
All Gen platforms had pretty similar results. (Skylake shown)
total instructions in shared programs: 14276892 -> 14276886 (<.01%)
instructions in affected programs: 484 -> 478 (-1.24%)
helped: 2
HURT: 0
total cycles in shared programs: 532578397 -> 532578395 (<.01%)
cycles in affected programs: 3522 -> 3520 (-0.06%)
helped: 1
HURT: 0
Signed-off-by: Ian Romanick <ian.d.roman...@intel.com>
---
src/compiler/nir/nir_opt_algebraic.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index 4e5e47fa133..87e370e891a 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -173,6 +173,9 @@ optimizations = [
(('fne', ('fmul', ('b2f', a), ('b2f', b)), 0.0), ('iand', a, b)),
(('fne', ('fmax', ('b2f', a), ('b2f', b)), 0.0), ('iand', a, b)),
(('fne', ('bcsel', a, ('b2f', b), 0.0) , 0.0), ('iand', a, b)),
+ (('fne', ('fadd', ('b2f', a), ('fneg', ('b2f', b))), 0.0), ('ixor', a, b)),
+ (('fne', ('b2f', a) , ('b2f', b) ), ('ixor', a, b)),
+ (('fne', ('fneg', ('b2f', a)), ('fneg', ('b2f', b))), ('ixor', a, b)),
(('feq', ('fadd', ('b2f', a), ('b2f', b)), 0.0), ('inot', ('ior', a, b))),
(('feq', ('fmin', ('b2f', a), ('b2f', b)), 0.0), ('inot', ('ior', a, b))),
(('feq', ('bcsel', a, 1.0, ('b2f', b)) , 0.0), ('inot', ('ior', a, b))),
--
2.14.4
_______________________________________________
mesa-dev mailing list
mesa-dev@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/mesa-dev
