Author: Maciej Fijalkowski <[email protected]>
Branch: 
Changeset: r58542:8f7faa354ab4
Date: 2012-10-28 18:48 +0100
http://bitbucket.org/pypy/pypy/changeset/8f7faa354ab4/

Log:    readd the hack. will find something better

diff --git a/pypy/jit/metainterp/optimizeopt/rewrite.py 
b/pypy/jit/metainterp/optimizeopt/rewrite.py
--- a/pypy/jit/metainterp/optimizeopt/rewrite.py
+++ b/pypy/jit/metainterp/optimizeopt/rewrite.py
@@ -431,16 +431,15 @@
         length = self.get_constant_box(op.getarg(5))
         if (source_start_box and dest_start_box
             and length and (dest_value.is_virtual() or length.getint() <= 8) 
and
-            (source_value.is_virtual())): # or length.getint() <= 8)):
+            (source_value.is_virtual() or length.getint() <= 8)):
             from pypy.jit.metainterp.optimizeopt.virtualize import VArrayValue
             source_start = source_start_box.getint()
             dest_start = dest_start_box.getint()
             for index in range(length.getint()):
                 # XXX fish fish fish
-                #arraydescr = 
op.getdescr().get_extra_info().write_descrs_arrays[0]
-                assert isinstance(source_value, VArrayValue)
-                arraydescr = source_value.arraydescr
+                arraydescr = 
op.getdescr().get_extra_info().write_descrs_arrays[0]
                 if source_value.is_virtual():
+                    assert isinstance(source_value, VArrayValue)
                     val = source_value.getitem(index + source_start)
                 else:
                     if arraydescr.is_array_of_pointers():
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