On Haswell (GL 3.3):
total instructions in shared programs: 6208759 -> 6203860 (-0.08%)
instructions in affected programs: 856541 -> 851642 (-0.57%)
helped: 3157
HURT: 113
LOST: 7
GAINED: 15
On Broadwell (GL 4.4):
total instructions in shared programs: 11637854 -> 11632016 (-0.05%)
instructions in affected programs: 1055693 -> 1049855 (-0.55%)
helped: 3900
HURT: 176
LOST: 1
GAINED: 18
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/compiler/nir/nir_opt_algebraic.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index 1cf614c..4e9896f 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -251,6 +251,10 @@ optimizations = [
(('ieq', 'a@bool', False), ('inot', 'a')),
(('bcsel', a, True, False), ('ine', a, 0)),
(('bcsel', a, False, True), ('ieq', a, 0)),
+ (('bcsel@32', a, 1.0, 0.0), ('b2f', ('ine', a, 0))),
+ (('bcsel@32', a, 0.0, 1.0), ('b2f', ('ieq', a, 0))),
+ (('bcsel@32', a, -1.0, -0.0), ('fneg', ('b2f', ('ine', a, 0)))),
+ (('bcsel@32', a, -0.0, -1.0), ('fneg', ('b2f', ('ieq', a, 0)))),
(('bcsel', True, b, c), b),
(('bcsel', False, b, c), c),
# The result of this should be hit by constant propagation and, in the
--
2.9.0
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