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-rw-r--r--src/glsl/nir/nir_opt_algebraic.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index 1eb044a5a20..0d31e39ea8e 100644
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -225,9 +225,13 @@ optimizations = [
# Misc. lowering
(('fmod', a, b), ('fsub', a, ('fmul', b, ('ffloor', ('fdiv', a, b)))), 'options->lower_fmod'),
- (('bitfield_insert', a, b, c, d), ('bfi', ('bfm', d, c), b, a), 'options->lower_bitfield_insert'),
(('uadd_carry', a, b), ('b2i', ('ult', ('iadd', a, b), a)), 'options->lower_uadd_carry'),
(('usub_borrow', a, b), ('b2i', ('ult', a, b)), 'options->lower_usub_borrow'),
+
+ (('bitfield_insert', 'base', 'insert', 'offset', 'bits'),
+ ('bcsel', ('ilt', 31, 'bits'), 'insert',
+ ('bfi', ('bfm', 'bits', 'offset'), 'insert', 'base')),
+ 'options->lower_bitfield_insert'),
]
# Add optimizations to handle the case where the result of a ternary is