diff options
| author | Matt Turner <[email protected]> | 2015-03-25 15:03:52 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2015-04-01 13:43:57 -0700 |
| commit | e82437e14153af212006deee4a6b808091314482 (patch) | |
| tree | 0867231bbad2d303ab418232178084b00c57e6fd /src/glsl/nir/nir_opt_algebraic.py | |
| parent | 25e214db0094306835a03225e1a37164c7c98bf7 (diff) | |
nir: Recognize open coded lrp.
total instructions in shared programs: 6197614 -> 6195924 (-0.03%)
instructions in affected programs: 34773 -> 33083 (-4.86%)
helped: 147
HURT: 6
Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/glsl/nir/nir_opt_algebraic.py')
| -rw-r--r-- | src/glsl/nir/nir_opt_algebraic.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index 39f37bb0332..368ec7f3e52 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -76,6 +76,7 @@ optimizations = [ (('flrp', a, a, b), a), (('flrp', 0.0, a, b), ('fmul', a, b)), (('flrp', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a), 'options->lower_flrp'), + (('fadd', ('fmul', a, ('fadd', 1.0, ('fneg', c))), ('fmul', b, c)), ('flrp', a, b, c), '!options->lower_flrp'), (('ffma', a, b, c), ('fadd', ('fmul', a, b), c), 'options->lower_ffma'), (('fadd', ('fmul', a, b), c), ('ffma', a, b, c), '!options->lower_ffma'), # Comparison simplifications |