[Python-checkins] cpython: Optimize _PyUnicode_FindMaxChar() find pure ASCII strings

[victor.stinner]

http://hg.python.org/cpython/rev/d27440b2f318
changeset:   76585:d27440b2f318
user:        Victor Stinner <victor.stinner at gmail.com>
date:        Fri Apr 27 22:26:58 2012 +0200
summary:
  Optimize _PyUnicode_FindMaxChar() find pure ASCII strings

files:
  Objects/unicodeobject.c |  3 +++
  1 files changed, 3 insertions(+), 0 deletions(-)


diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1985,6 +1985,9 @@
     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;

-- 
Repository URL: http://hg.python.org/cpython