nir: Fix typo in "ushr by 0" algebraic replacement

[mesa.git] / src / glsl / nir / nir_opt_algebraic.py

diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index a8c1745d09b5729c8a2e249e86976914e49e1f64..cdb19241c43634cd5e071a3829363d81f27d4dbc 100644 (file)
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -133,7 +133,7 @@ optimizations = [
    (('ishr', 0, a), 0),
    (('ishr', a, 0), a),
    (('ushr', 0, a), 0),
-   (('ushr', a, 0), 0),
+   (('ushr', a, 0), a),
    # Exponential/logarithmic identities
    (('fexp2', ('flog2', a)), a), # 2^lg2(a) = a
    (('fexp',  ('flog',  a)), a), # e^ln(a)  = a
@@ -192,8 +192,8 @@ optimizations = [
    # Subtracts
    (('fsub', a, ('fsub', 0.0, b)), ('fadd', a, b)),
    (('isub', a, ('isub', 0, b)), ('iadd', a, b)),
-   (('fsub', a, b), ('fadd', a, ('fneg', b)), '!options->lower_negate'),
-   (('isub', a, b), ('iadd', a, ('ineg', b)), '!options->lower_negate'),
+   (('fsub', a, b), ('fadd', a, ('fneg', b)), 'options->lower_sub'),
+   (('isub', a, b), ('iadd', a, ('ineg', b)), 'options->lower_sub'),
    (('fneg', a), ('fsub', 0.0, a), 'options->lower_negate'),
    (('ineg', a), ('isub', 0, a), 'options->lower_negate'),
    (('fadd', a, ('fsub', 0.0, b)), ('fsub', a, b)),