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authorVictor Stinner <victor.stinner@gmail.com>2016-08-17 19:48:33 +0200
committerVictor Stinner <victor.stinner@gmail.com>2016-08-17 19:48:33 +0200
commit8bcf312d093cd90ca65b329d3f97ec2a1304c5b3 (patch)
tree47799a8f87cbc220bc4e051f738f7526eb3cd893 /Objects/longobject.c
parent82df3b3071bb003247c33eac4670775e9883c994 (diff)
downloadcpython-git-8bcf312d093cd90ca65b329d3f97ec2a1304c5b3.tar.gz
Issue #27786: Simplify x_sub()
The z variable is known to be a fresh number which cannot be shared, Py_SIZE() can be used directly to negate the number.
Diffstat (limited to 'Objects/longobject.c')
-rw-r--r--Objects/longobject.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/Objects/longobject.c b/Objects/longobject.c
index d49594d129..4b2b6021a9 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -3000,9 +3000,7 @@ x_sub(PyLongObject *a, PyLongObject *b)
}
assert(borrow == 0);
if (sign < 0) {
- _PyLong_Negate(&z);
- if (z == NULL)
- return NULL;
+ Py_SIZE(z) = -Py_SIZE(z);
}
return long_normalize(z);
}