diff options
| author | Thomas Helland <[email protected]> | 2015-02-28 20:32:32 +0100 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2015-03-11 14:21:05 -0700 |
| commit | 8fb8fe46fa565dceedacd95287c836004b0fade2 (patch) | |
| tree | 0ce38abae80357d39f51a1cd73fdc88295e34f1c /src/glsl/nir/nir_opt_algebraic.py | |
| parent | 0525f2e851f5f6f53b5f83c8dcdfa48f9838133b (diff) | |
nir: Optimize a + neg(a)
Shader-db i965 instructions:
total instructions in shared programs: 1711180 -> 1711159 (-0.00%)
instructions in affected programs: 825 -> 804 (-2.55%)
helped: 9
HURT: 0
GAINED: 3
LOST: 3
Shader-db NIR instructions:
total instructions in shared programs: 606187 -> 606179 (-0.00%)
instructions in affected programs: 298 -> 290 (-2.68%)
helped: 4
HURT: 0
GAINED: 0
LOST: 0
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Signed-off-by: Thomas Helland <[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 688ceff8c92..ef855aa774e 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -58,6 +58,8 @@ optimizations = [ (('iadd', a, 0), a), (('fadd', ('fmul', a, b), ('fmul', a, c)), ('fmul', a, ('fadd', b, c))), (('iadd', ('imul', a, b), ('imul', a, c)), ('imul', a, ('iadd', b, c))), + (('fadd', ('fneg', a), a), 0.0), + (('iadd', ('ineg', a), a), 0), (('fmul', a, 0.0), 0.0), (('imul', a, 0), 0), (('fmul', a, 1.0), a), |