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[Bug tree-optimization/35252] No vectorization for complex arrays
- From: "victork at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Aug 2008 08:16:42 -0000
- Subject: [Bug tree-optimization/35252] No vectorization for complex arrays
- References: <bug-35252-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from victork at gcc dot gnu dot org 2008-08-05 08:16 -------
> Hm, following testcase doesn't vectorize due to vect cost model
> (-O2 -msse3 -ftree-vectorize -ffast-math) on i686 target:
The problem is that we count some costs twice - as being vectorized by SLP and
non-SLP. I'm going to submit a patch to fix this.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35252