diff options
| author | Ian Romanick <[email protected]> | 2018-08-01 16:51:35 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2018-08-04 01:12:03 -0700 |
| commit | d49eab27573024699dd288f194a3ced4be16671a (patch) | |
| tree | ba732ae65e7c68fc8260bc6c56080fe30e319e1f /src/compiler/nir | |
| parent | b92fded6eb6c4367813f2cb69a150fa9d3ce61f1 (diff) | |
nir: Rearrange bcsel with two bcsel sources
All Gen platforms had pretty similar results. (Skylake shown)
total instructions in shared programs: 14277220 -> 14277216 (<.01%)
instructions in affected programs: 422 -> 418 (-0.95%)
helped: 2
HURT: 0
total cycles in shared programs: 532577908 -> 532577848 (<.01%)
cycles in affected programs: 2800 -> 2740 (-2.14%)
helped: 2
HURT: 0
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Thomas Helland <[email protected]>
Diffstat (limited to 'src/compiler/nir')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 388c6354ff0..b96a7f93c08 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -236,6 +236,10 @@ optimizations = [ (('bcsel', ('inot', a), b, c), ('bcsel', a, c, b)), (('bcsel', a, ('bcsel', a, b, c), d), ('bcsel', a, b, d)), (('bcsel', a, b, ('bcsel', a, c, d)), ('bcsel', a, b, d)), + (('bcsel', a, ('bcsel', b, c, d), ('bcsel(is_used_once)', b, c, 'e')), ('bcsel', b, c, ('bcsel', a, d, 'e'))), + (('bcsel', a, ('bcsel(is_used_once)', b, c, d), ('bcsel', b, c, 'e')), ('bcsel', b, c, ('bcsel', a, d, 'e'))), + (('bcsel', a, ('bcsel', b, c, d), ('bcsel(is_used_once)', b, 'e', d)), ('bcsel', b, ('bcsel', a, c, 'e'), d)), + (('bcsel', a, ('bcsel(is_used_once)', b, c, d), ('bcsel', b, 'e', d)), ('bcsel', b, ('bcsel', a, c, 'e'), d)), (('bcsel', a, True, 'b@bool'), ('ior', a, b)), (('fmin', a, a), a), (('fmax', a, a), a), |