diff options
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 09ccc696657..2b9a0e3dc6c 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -381,6 +381,16 @@ optimizations = [ # 0.0 >= fabs(a) (('fge', ('fneg', ('fabs', a)), 0.0), ('feq', a, 0.0)), + # (a >= 0.0) && (a <= 1.0) -> fsat(a) == a + (('iand', ('fge', a, 0.0), ('fge', 1.0, a)), ('feq', a, ('fsat', a)), '!options->lower_fsat'), + + # (a < 0.0) || (a > 1.0) + # !(!(a < 0.0) && !(a > 1.0)) + # !((a >= 0.0) && (a <= 1.0)) + # !(a == fsat(a)) + # a != fsat(a) + (('ior', ('flt', a, 0.0), ('flt', 1.0, a)), ('fne', a, ('fsat', a)), '!options->lower_fsat'), + (('fmax', ('b2f(is_used_once)', 'a@1'), ('b2f', 'b@1')), ('b2f', ('ior', a, b))), (('fmax', ('fneg(is_used_once)', ('b2f(is_used_once)', 'a@1')), ('fneg', ('b2f', 'b@1'))), ('fneg', ('b2f', ('ior', a, b)))), (('fmin', ('b2f(is_used_once)', 'a@1'), ('b2f', 'b@1')), ('b2f', ('iand', a, b))), |