[pypy-svn] r63772 - pypy/branch/pyjitpl5-simplify/pypy/jit/backend/x86

[fijal at codespeak.net]

Author: fijal
Date: Tue Apr  7 07:22:00 2009
New Revision: 63772

Modified:
   pypy/branch/pyjitpl5-simplify/pypy/jit/backend/x86/regalloc.py
Log:
A bugfix. Exceptions are great


Modified: pypy/branch/pyjitpl5-simplify/pypy/jit/backend/x86/regalloc.py
==============================================================================
--- pypy/branch/pyjitpl5-simplify/pypy/jit/backend/x86/regalloc.py	(original)
+++ pypy/branch/pyjitpl5-simplify/pypy/jit/backend/x86/regalloc.py	Tue Apr  7 07:22:00 2009
@@ -327,8 +327,10 @@
                 if isinstance(arg, Box) and arg not in end:
                     end[arg] = i
             if op.result:
-                longevity[op.result] = (i, end[op.result])
-                del end[op.result]
+                if op.result in end:
+                    longevity[op.result] = (i, end[op.result])
+                    del end[op.result]
+                # otherwise this var is never ever used
         for v, e in end.items():
             longevity[v] = (0, e)
         guard.longevity = longevity