Author: Armin Rigo <ar...@tunes.org>
Branch: gc_no_cleanup_nursery
Changeset: r73736:e1ccb206cbe8
Date: 2014-09-28 18:16 +0200
http://bitbucket.org/pypy/pypy/changeset/e1ccb206cbe8/
Log: Translated, lldebug builds occasionally crash on 32-bit when seeing
the ">> 32". This is not an issue in this particular case, but fix
it anyway.
diff --git a/rpython/jit/metainterp/optimizeopt/intbounds.py
b/rpython/jit/metainterp/optimizeopt/intbounds.py
--- a/rpython/jit/metainterp/optimizeopt/intbounds.py
+++ b/rpython/jit/metainterp/optimizeopt/intbounds.py
@@ -24,6 +24,8 @@
return (1 << ((byte_size << 3) - 1)) - 1
+IS_64_BIT = sys.maxint > 2**32
+
def next_pow2_m1(n):
"""Calculate next power of 2 greater than n minus one."""
n |= n >> 1
@@ -31,7 +33,8 @@
n |= n >> 4
n |= n >> 8
n |= n >> 16
- n |= n >> 32
+ if IS_64_BIT:
+ n |= n >> 32
return n
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