------- Comment #13 from rguenth at gcc dot gnu dot org  2010-07-07 08:51 
-------
It's a scheduling issue (and thus an alias issue).  -fno-schedule-insns2 fixes
the problem.  We mis-schedule the unrolled part.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rguenth at gcc dot gnu dot
                   |                            |org
          Component|middle-end                  |rtl-optimization
           Keywords|                            |alias, wrong-code
            Summary|[4.6 regression] FAIL:      |[4.6 regression] RTL loop
                   |gcc.dg/pr39794.c            |unrolling and scheduling
                   |                            |cause FAIL: gcc.dg/pr39794.c


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44838

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