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[Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref
- From: "amker at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 03 Aug 2016 16:14:30 +0000
- Subject: [Bug tree-optimization/69848] poor vectorization of a loop from SPEC2006 464.h264ref
- Auto-submitted: auto-generated
- References: <bug-69848-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69848
--- Comment #14 from amker at gcc dot gnu.org ---
(In reply to Jim Wilson from comment #13)
> I think it was poc_ref_pic_reorder() in slice.c that triggered the ICE. I
> don't know if the original code shows the vectorization reduction problem.
> That might only be present in the reduced testcase.
Thanks very much, that's all I wanted to know. I found a suspicious reduction
case in but not sure if it's the case. Will look into details.