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-rw-r--r--src/glsl/nir/nir_opt_algebraic.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index 0d31e39ea8e..7745b76f7ce 100644
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -232,6 +232,16 @@ optimizations = [
('bcsel', ('ilt', 31, 'bits'), 'insert',
('bfi', ('bfm', 'bits', 'offset'), 'insert', 'base')),
'options->lower_bitfield_insert'),
+
+ (('ibitfield_extract', 'value', 'offset', 'bits'),
+ ('bcsel', ('ilt', 31, 'bits'), 'value',
+ ('ibfe', 'value', 'offset', 'bits')),
+ 'options->lower_bitfield_extract'),
+
+ (('ubitfield_extract', 'value', 'offset', 'bits'),
+ ('bcsel', ('ult', 31, 'bits'), 'value',
+ ('ubfe', 'value', 'offset', 'bits')),
+ 'options->lower_bitfield_extract'),
]
# Add optimizations to handle the case where the result of a ternary is