diff options
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 5ba469f5f65..fd260650d8b 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -235,6 +235,15 @@ optimizations = [ # fabs(a) > 0.0 (('~flt', ('fneg', ('fabs', a)), 0.0), ('fne', a, 0.0)), + # 0.0 >= fabs(a) + # 0.0 == fabs(a) because fabs(a) must be >= 0 + # 0.0 == a + (('fge', 0.0, ('fabs', a)), ('feq', a, 0.0)), + + # -fabs(a) >= 0.0 + # 0.0 >= fabs(a) + (('fge', ('fneg', ('fabs', a)), 0.0), ('feq', a, 0.0)), + (('fmax', ('b2f(is_used_once)', a), ('b2f', b)), ('b2f', ('ior', a, b))), (('fmax', ('fneg(is_used_once)', ('b2f(is_used_once)', a)), ('fneg', ('b2f', b))), ('fneg', ('b2f', ('ior', a, b)))), (('fmin', ('b2f(is_used_once)', a), ('b2f', b)), ('b2f', ('iand', a, b))), |