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[Bug tree-optimization/49352] [4.7 Regression] -fcompare-debug failure with -O2 -ftree-vectorize
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 10 Jun 2011 13:08:56 +0000
- Subject: [Bug tree-optimization/49352] [4.7 Regression] -fcompare-debug failure with -O2 -ftree-vectorize
- Auto-submitted: auto-generated
- References: <bug-49352-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49352
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-10 13:08:13 UTC ---
Actually, should vect_is_slp_reduction be called at all if check_reduction
is false? I think without check_reduction e.g. nothing ensures that code is
commutative and associative...