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[Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678
- 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, 12 Jun 2017 08:04:27 +0000
- Subject: [Bug tree-optimization/81038] [8 regression] test case g++.dg/vect/slp-pr56812.cc fails starting with r248678
- Auto-submitted: auto-generated
- References: <bug-81038-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81038
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |8.0
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Eventually the loop is no longer unrolled (was it?) and is now loop vectorized?
(and that bit is "fragile" because of -fvect-cost-model=dynamic?)
Just guessing.