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[Bug tree-optimization/32377] can't determine dependence (source/destination overlap without more than size)
- From: "irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jul 2007 16:43:58 -0000
- Subject: [Bug tree-optimization/32377] can't determine dependence (source/destination overlap without more than size)
- References: <bug-32377-33@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from irar at il dot ibm dot com 2007-07-03 16:43 -------
(In reply to comment #8)
> I can submit a patch for merging that part of code in trunk if you need
> this flag to test if you are in one or the other case.
I guess we can't vectorize the loop in this PR without it, since we have to
distinguish between the cases in comment #7 (the first loop should not be
vectorized and the second one should).
Thanks,
Ira
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32377