diff options
| author | Matt Turner <[email protected]> | 2015-03-26 10:09:21 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2015-04-01 13:43:57 -0700 |
| commit | 97e6c1b9579573444487d0ac6d9a6b73c067b495 (patch) | |
| tree | 737fcf66adc89ff2aa16e90d174af3eabbfb29d8 /src/glsl/nir | |
| parent | a2b6e908cfa1b85bc3eed9d31869ec3768b3daa2 (diff) | |
nir: Recognize (a < b || a < c) as a < max(b, c).
Doesn't work for analogous && cases, because of NaNs.
total instructions in shared programs: 6195712 -> 6194829 (-0.01%)
instructions in affected programs: 42000 -> 41117 (-2.10%)
helped: 403
Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/glsl/nir')
| -rw-r--r-- | src/glsl/nir/nir_opt_algebraic.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index 3a3e6bfabb2..6181f5df7a4 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -94,6 +94,8 @@ optimizations = [ (('fsat', a), ('fmin', ('fmax', a, 0.0), 1.0), 'options->lower_fsat'), (('fsat', ('fsat', a)), ('fsat', a)), (('fmin', ('fmax', ('fmin', ('fmax', a, 0.0), 1.0), 0.0), 1.0), ('fmin', ('fmax', a, 0.0), 1.0)), + (('ior', ('flt', a, b), ('flt', a, c)), ('flt', a, ('fmax', b, c))), + (('ior', ('fge', a, b), ('fge', a, c)), ('fge', a, ('fmin', b, c))), # Emulating booleans (('fmul', ('b2f', a), ('b2f', b)), ('b2f', ('iand', a, b))), (('fsat', ('fadd', ('b2f', a), ('b2f', b))), ('b2f', ('ior', a, b))), |