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authorVictor Stinner <victor.stinner@gmail.com>2016-11-22 14:30:38 (GMT)
committerVictor Stinner <victor.stinner@gmail.com>2016-11-22 14:30:38 (GMT)
commitbcf4dccfa77df6fd75181e2a7cbfbf2d4b2c6255 (patch)
tree000475f7e8e7c173eab2743d901f00b3c01b7db0 /Modules/_sre.c
parente670b2d5c39ce6ac72890e52e9d505f90c33ccba (diff)
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Issue #28727: Optimize pattern_richcompare() for a==a
A pattern is equal to itself.
Diffstat (limited to 'Modules/_sre.c')
-rw-r--r--Modules/_sre.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/Modules/_sre.c b/Modules/_sre.c
index 1b77416..979e61f 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -2683,6 +2683,12 @@ pattern_richcompare(PyObject *lefto, PyObject *righto, int op)
if (Py_TYPE(lefto) != &Pattern_Type || Py_TYPE(righto) != &Pattern_Type) {
Py_RETURN_NOTIMPLEMENTED;
}
+
+ if (lefto == righto) {
+ /* a pattern is equal to itself */
+ return PyBool_FromLong(op == Py_EQ);
+ }
+
left = (PatternObject *)lefto;
right = (PatternObject *)righto;