[Bug target/13877] [3.3 regression] miscompilation with -O -funroll-loops on powerpc

["gdr at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

------- Additional Comments From gdr at gcc dot gnu dot org  2004-03-13 01:20 -------
(In reply to comment #6)
> Created an attachment (id=5894)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5894&action=view)
> clear loop_info->initial_value is loop preconditioned
> 
> This fixes the problem by disabling doloop when it would interfere with loop
> unrolling.  This works for the testcase, but otherwise has not been tested.

Thanks for the patch.  Tested and applied.

-- 
           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13877

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