diff options
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 96232f0e54..909ea3daf4 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -321,7 +321,7 @@ optimizations = [ (('imul', ('b2i', a), ('b2i', b)), ('b2i', ('iand', a, b))), (('fmul', ('b2f', a), ('b2f', b)), ('b2f', ('iand', a, b))), (('fsat', ('fadd', ('b2f', a), ('b2f', b))), ('b2f', ('ior', a, b))), - (('iand', 'a@bool', 1.0), ('b2f', a)), + (('iand', 'a@bool', 1.0), ('b2f', a), '!options->lower_b2f'), # True/False are ~0 and 0 in NIR. b2i of True is 1, and -1 is ~0 (True). (('ineg', ('b2i@32', a)), a), (('flt', ('fneg', ('b2f', a)), 0), a), # Generated by TGSI KILL_IF. @@ -724,6 +724,9 @@ late_optimizations = [ # we do these late so that we don't get in the way of creating ffmas (('fmin', ('fadd(is_used_once)', '#c', a), ('fadd(is_used_once)', '#c', b)), ('fadd', c, ('fmin', a, b))), (('fmax', ('fadd(is_used_once)', '#c', a), ('fadd(is_used_once)', '#c', b)), ('fadd', c, ('fmax', a, b))), + + # Lowered for backends without a dedicated b2f instruction + (('b2f@32', a), ('iand', a, 1.0), 'options->lower_b2f'), ] print nir_algebraic.AlgebraicPass("nir_opt_algebraic", optimizations).render() |