[pypy-commit] pypy default: correct the unroll logic for min/max

[bdkearns]

Author: Brian Kearns <bdkearns at gmail.com>
Branch: 
Changeset: r62739:6d2bc9b00a8d
Date: 2013-03-25 07:07 -0400
http://bitbucket.org/pypy/pypy/changeset/6d2bc9b00a8d/

Log:	correct the unroll logic for min/max

diff --git a/pypy/module/__builtin__/functional.py b/pypy/module/__builtin__/functional.py
--- a/pypy/module/__builtin__/functional.py
+++ b/pypy/module/__builtin__/functional.py
@@ -202,8 +202,8 @@
 
 @specialize.arg(2)
 def min_max(space, args, implementation_of):
-    if not jit.we_are_jitted() or jit.loop_unrolling_heuristic(
-            args.arguments_w, len(args.arguments_w)):
+    if not jit.we_are_jitted() or len(args.arguments_w) != 1 and \
+            jit.loop_unrolling_heuristic(args.arguments_w, len(args.arguments_w)):
         return min_max_unroll(space, args, implementation_of)
     else:
         return min_max_normal(space, args, implementation_of)