diff options
| author | Ian Romanick <[email protected]> | 2019-03-01 14:41:59 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2019-03-02 13:58:56 -0800 |
| commit | bae0c3675174b63c7d7e25556266027b2d4f2b87 (patch) | |
| tree | c4f8f07026ffbc2d2941b0d077d90ab43ac36352 /src | |
| parent | d1d56f5f9afceab732e46c43010738c4936fb9b9 (diff) | |
nir/algebraic: Optimize away an fsat of a b2f
The b2f can only produce 0.0 or 1.0, so the fsat does nothing.
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index b49f1a13161..617ca0ea933 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -337,6 +337,7 @@ optimizations = [ (('~fmin', ('fmax', a, 0.0), 1.0), ('fsat', a), '!options->lower_fsat'), (('~fmax', ('fmin', a, 1.0), 0.0), ('fsat', a), '!options->lower_fsat'), (('fsat', ('fsign', a)), ('b2f', ('flt', 0.0, a))), + (('fsat', ('b2f', a)), ('b2f', a)), (('fsat', a), ('fmin', ('fmax', a, 0.0), 1.0), 'options->lower_fsat'), (('fsat', ('fsat', a)), ('fsat', a)), (('fmin', ('fmax', ('fmin', ('fmax', a, b), c), b), c), ('fmin', ('fmax', a, b), c)), |