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

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

------- Additional Comments From wilson at gcc dot gnu dot org  2004-03-10 23:49 -------
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.

-- 


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

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