diff options
| author | Ian Romanick <[email protected]> | 2018-08-01 19:33:24 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2018-08-04 01:12:03 -0700 |
| commit | c658b6c4c8ecf99de35065381ceec5bef7d7ecdf (patch) | |
| tree | c0d565b21bf2a3bcbe8cdfe9e5f76bb2daab1b92 | |
| parent | 3aca80aabccaa2a785bd6d25f73bd1935d4dd35b (diff) | |
nir: Transform expressions of b2f(a) and b2f(b) to a ^^ b
All Gen platforms had pretty similar results. (Skylake shown)
total instructions in shared programs: 14276892 -> 14276886 (<.01%)
instructions in affected programs: 484 -> 478 (-1.24%)
helped: 2
HURT: 0
total cycles in shared programs: 532578397 -> 532578395 (<.01%)
cycles in affected programs: 3522 -> 3520 (-0.06%)
helped: 1
HURT: 0
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Thomas Helland <[email protected]>
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 9ead2dd37d5..c1ab9dd3c83 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -173,6 +173,9 @@ optimizations = [ (('fne', ('fmul', ('b2f', a), ('b2f', b)), 0.0), ('iand', a, b)), (('fne', ('fmin', ('b2f', a), ('b2f', b)), 0.0), ('iand', a, b)), (('fne', ('bcsel', a, ('b2f', b), 0.0) , 0.0), ('iand', a, b)), + (('fne', ('fadd', ('b2f', a), ('fneg', ('b2f', b))), 0.0), ('ixor', a, b)), + (('fne', ('b2f', a) , ('b2f', b) ), ('ixor', a, b)), + (('fne', ('fneg', ('b2f', a)), ('fneg', ('b2f', b))), ('ixor', a, b)), (('feq', ('fadd', ('b2f', a), ('b2f', b)), 0.0), ('inot', ('ior', a, b))), (('feq', ('fmax', ('b2f', a), ('b2f', b)), 0.0), ('inot', ('ior', a, b))), (('feq', ('bcsel', a, 1.0, ('b2f', b)) , 0.0), ('inot', ('ior', a, b))), |