Module: Mesa
Branch: master
Commit: d9ca4a172e8e8a42217588ca1b83a7ceb5bf3f76
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=d9ca4a172e8e8a42217588ca1b83a7ceb5bf3f76
Author: Mathieu Bridon <boche...@daitauha.fr>
Date: Thu Aug 9 10:27:19 2018 +0200
python: Use the right function for the job
The code was just reimplementing itertools.combinations_with_replacement
in a less efficient way.
This does change the order of the results slightly, but it should be ok.
Signed-off-by: Mathieu Bridon <boche...@daitauha.fr>
Reviewed-by: Dylan Baker <dy...@pnwbakers.com>
---
src/compiler/nir/nir_opt_algebraic.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/compiler/nir/nir_opt_algebraic.py
b/src/compiler/nir/nir_opt_algebraic.py
index ac53d77383..e770a61d9f 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -723,7 +723,7 @@ optimizations = [
invert = OrderedDict([('feq', 'fne'), ('fne', 'feq'), ('fge', 'flt'), ('flt',
'fge')])
-for left, right in list(itertools.combinations(invert.keys(), 2)) +
zip(invert.keys(), invert.keys()):
+for left, right in itertools.combinations_with_replacement(invert.keys(), 2):
optimizations.append((('inot', ('ior(is_used_once)', (left, a, b), (right,
c, d))),
('iand', (invert[left], a, b), (invert[right], c,
d))))
optimizations.append((('inot', ('iand(is_used_once)', (left, a, b), (right,
c, d))),
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