Author: Alex Gaynor <[email protected]>
Branch: extradoc
Changeset: r5063:3b49b3a9ae91
Date: 2013-09-28 16:40 -0700
http://bitbucket.org/pypy/extradoc/changeset/3b49b3a9ae91/
Log: Another item
diff --git a/planning/jit.txt b/planning/jit.txt
--- a/planning/jit.txt
+++ b/planning/jit.txt
@@ -48,6 +48,9 @@
- {}.update({}) is not fully unrolled and constant folded because HeapCache
loses track of values in virtual-to-virtual ARRAY_COPY calls.
+- ovfcheck(a << b) will do ``result >> b`` and check that the result is equal
+ to ``a``, instead of looking at the x86 flags.
+
OPTIMIZATIONS
-------------
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