[Python-checkins] cpython: Replace an unpredictable branch with a simple addition.

Thu Sep 24 04:15:50 CEST 2015

https://hg.python.org/cpython/rev/2b71c9db17a5
changeset: 98230:2b71c9db17a5
parent: 98227:e426969e7e1d
user: Raymond Hettinger <python at rcn.com>
date: Wed Sep 23 19:15:44 2015 -0700
summary:
 Replace an unpredictable branch with a simple addition.
files:
 Modules/_collectionsmodule.c | 5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -852,10 +852,9 @@
 CHECK_NOT_END(b);
 item = b->data[index];
 cmp = PyObject_RichCompareBool(item, v, Py_EQ);
- if (cmp > 0)
- count++;
- else if (cmp < 0)
+ if (cmp < 0)
 return NULL;
+ count += cmp;
 
 if (start_state != deque->state) {
 PyErr_SetString(PyExc_RuntimeError,
-- 
Repository URL: https://hg.python.org/cpython
