This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/52298] ICE: verify_ssa failed: definition in block follows use
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 20 Feb 2012 14:14:48 +0000
- Subject: [Bug tree-optimization/52298] ICE: verify_ssa failed: definition in block follows use
- Auto-submitted: auto-generated
- References: <bug-52298-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52298
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-20 14:14:48 UTC ---
Not sure why in vect_model_reduction_cost we do not consider the reduction
at all if nested_in_vect_loop_p (loop, orig_stmt). I think simply dropping
that conditional would model the cost more appropriately (though the question
is how outer loop vectorization uses the costs).