Author: Armin Rigo <ar...@tunes.org>
Branch: heapcache-refactor
Changeset: r83131:be279330887e
Date: 2016-03-18 17:23 +0100
http://bitbucket.org/pypy/pypy/changeset/be279330887e/
Log: comment
diff --git a/rpython/jit/metainterp/heapcache.py
b/rpython/jit/metainterp/heapcache.py
--- a/rpython/jit/metainterp/heapcache.py
+++ b/rpython/jit/metainterp/heapcache.py
@@ -155,6 +155,9 @@
return ref_frontend_op._get_heapc_flags() >=
self.likely_virtual_version
def update_version(self, ref_frontend_op):
+ """Ensure the version of 'ref_frontend_op' is current. If not,
+ it will update 'ref_frontend_op' (removing most flags currently set).
+ """
if not self.test_head_version(ref_frontend_op):
f = self.head_version
if (self.test_likely_virtual_version(ref_frontend_op) and
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