diff options
| -rw-r--r-- | src/glsl/nir/nir_opt_algebraic.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index 53fe4a0804e..be9487031d2 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -80,6 +80,13 @@ optimizations = [ # DeMorgan's Laws (('iand', ('inot', a), ('inot', b)), ('inot', ('ior', a, b))), (('ior', ('inot', a), ('inot', b)), ('inot', ('iand', a, b))), + # Shift optimizations + (('ishl', 0, a), 0), + (('ishl', a, 0), a), + (('ishr', 0, a), 0), + (('ishr', a, 0), a), + (('ushr', 0, a), 0), + (('ushr', a, 0), 0), # This one may not be exact (('feq', ('fadd', a, b), 0.0), ('feq', a, ('fneg', b))), |