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[Bug tree-optimization/56360] Loop invariant motion can introduce speculative store
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 17 Feb 2013 04:55:40 +0000
- Subject: [Bug tree-optimization/56360] Loop invariant motion can introduce speculative store
- Auto-submitted: auto-generated
- References: <bug-56360-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56360
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-17 04:55:40 UTC ---
(In reply to comment #1)
> The speculative store can be disabled via --param allow-store-data-races=0.
>
> So perhaps the question is: shouldn't that be set by -std=gnu++11?
As I understand the C++11 memory model is not fully there in 4.8.