From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 27 Apr 2012 20:26:58 +0000 (+0200)
Subject: Optimize _PyUnicode_FindMaxChar() find pure ASCII strings
X-Git-Tag: v3.3.0a3~59^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=94d558b063d63eda7a898ab31b0bc2e4d0294bf1;p=python

Optimize _PyUnicode_FindMaxChar() find pure ASCII strings
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 60b0a1fbbd..3afb799fc3 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1985,6 +1985,9 @@ _PyUnicode_FindMaxChar(PyObject *unicode, Py_ssize_t start, Py_ssize_t end)
     if (start == end)
         return 127;
 
+    if (PyUnicode_IS_ASCII(unicode))
+        return 127;
+
     kind = PyUnicode_KIND(unicode);
     startptr = PyUnicode_DATA(unicode);
     endptr = (char *)startptr + end * kind;