diff options
author | Jason Ekstrand <[email protected]> | 2018-07-22 23:57:07 -0700 |
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committer | Jason Ekstrand <[email protected]> | 2018-07-23 10:48:21 -0700 |
commit | e4d346c86db0ae332fcdf55eac0e075cfb99a7eb (patch) | |
tree | daef2e18eb215e48c6398ad6b2176da62d07d2c4 /src/compiler/nir/nir_opt_algebraic.py | |
parent | 52d831ff83036773978aabf52dde3bb73bb211c7 (diff) |
nir: Add a couple trivial abs optimizations
Spotted in a shader in Batman: Arkham City.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir_opt_algebraic.py')
-rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index f49b43f3213..ba277fdfd0e 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -229,6 +229,8 @@ optimizations = [ (('imax', a, a), a), (('umin', a, a), a), (('umax', a, a), a), + (('fmax', a, ('fneg', a)), ('fabs', a)), + (('imax', a, ('ineg', a)), ('iabs', a)), (('fmin', a, ('fneg', a)), ('fneg', ('fabs', a))), (('imin', a, ('ineg', a)), ('ineg', ('iabs', a))), (('fmin', a, ('fneg', ('fabs', a))), ('fneg', ('fabs', a))), |