diff options
| author | Elie Tournier <[email protected]> | 2019-05-24 12:16:25 +0100 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-01-15 00:30:52 +0000 |
| commit | 22c5c54a4fffb7d0179218ec8cec237cbc049160 (patch) | |
| tree | bcb9b21dde46ef7cfdaaa2ba031d8298d91aa8b2 /src/compiler | |
| parent | 6f394343b1f704f8b98a24add7f4106e72e2db7b (diff) | |
nir/algebraic: sqrt(x)*sqrt(x) -> fabs(x)
total instructions in shared programs: 12840840 -> 12839341 (-0.01%)
instructions in affected programs: 122581 -> 121082 (-1.22%)
helped: 559
HURT: 0
total cycles in shared programs: 302505756 -> 302490031 (<.01%)
cycles in affected programs: 2022900 -> 2007175 (-0.78%)
helped: 1090
HURT: 130
Signed-off-by: Elie Tournier <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/948>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/948>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_opt_algebraic.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py index 73056c3c35c..2e139ebb85f 100644 --- a/src/compiler/nir/nir_opt_algebraic.py +++ b/src/compiler/nir/nir_opt_algebraic.py @@ -746,6 +746,7 @@ optimizations.extend([ (('~flog2', ('fpow', a, b)), ('fmul', b, ('flog2', a))), (('~fmul', ('fexp2(is_used_once)', a), ('fexp2(is_used_once)', b)), ('fexp2', ('fadd', a, b))), (('bcsel', ('flt', a, 0.0), 0.0, ('fsqrt', a)), ('fsqrt', ('fmax', a, 0.0))), + (('~fmul', ('fsqrt', a), ('fsqrt', a)), ('fabs',a)), # Division and reciprocal (('~fdiv', 1.0, a), ('frcp', a)), (('fdiv', a, b), ('fmul', a, ('frcp', b)), 'options->lower_fdiv'), |