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[Bug tree-optimization/55334] mgrid regression (ipa-cp disables vectorization)
- From: "hubicka at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 16 Nov 2012 10:39:34 +0000
- Subject: [Bug tree-optimization/55334] mgrid regression (ipa-cp disables vectorization)
- Auto-submitted: auto-generated
- References: <bug-55334-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
Jan Hubicka <hubicka at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |matz at suse dot de
--- Comment #4 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-11-16 10:39:34 UTC ---
Hmm, this does not help. The problem is indeed that we are not able to figure
out that the accesses into subarrays of X are mutually independent.
Martin, Michael, I think you are more familiar with MEM_REF, can you take a
look?