diff options
| author | Matt Turner <[email protected]> | 2015-05-05 20:25:07 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2015-05-07 10:51:05 -0700 |
| commit | f5cf74d8ba8ce30b9d53b2198e5122ed72f1dcff (patch) | |
| tree | 84ea1307828e6847adb71a24b66c879fe2879692 /src/glsl/nir/nir_opt_algebraic.py | |
| parent | ceb8b739ce37ee041b903643656d9d16c371ff95 (diff) | |
nir: Recognize (a < c || b < c) as min(a, b) < c.
... and (a >= c) || (b >= c) as max(a, b) >= c.
Similar to commit 97e6c1b9.
total instructions in shared programs: 6182276 -> 6182180 (-0.00%)
instructions in affected programs: 6400 -> 6304 (-1.50%)
helped: 68
HURT: 4
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Glenn Kennard <[email protected]>
Diffstat (limited to 'src/glsl/nir/nir_opt_algebraic.py')
| -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 42f4f479412..b0a1f243852 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -101,7 +101,9 @@ optimizations = [ (('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', ('flt', a, c), ('flt', b, c)), ('flt', ('fmin', a, b), c)), (('ior', ('fge', a, b), ('fge', a, c)), ('fge', a, ('fmin', b, c))), + (('ior', ('fge', a, c), ('fge', b, c)), ('fge', ('fmax', a, b), c)), (('slt', a, b), ('b2f', ('flt', a, b)), 'options->lower_scmp'), (('sge', a, b), ('b2f', ('fge', a, b)), 'options->lower_scmp'), (('seq', a, b), ('b2f', ('feq', a, b)), 'options->lower_scmp'), |