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[Bug tree-optimization/77605] [5/6/7 Regression] wrong code at -O3 on x86_64-linux-gnu
- From: "spop at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 16 Sep 2016 13:23:07 +0000
- Subject: [Bug tree-optimization/77605] [5/6/7 Regression] wrong code at -O3 on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-77605-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77605
--- Comment #6 from Sebastian Pop <spop at gcc dot gnu.org> ---
The proposed change looks good to me.
"last_conflicts" is the max index in the conflicting functions for which there
is a dependence:
mem_access_a (conflicting_iterations_in_a (last_conflicts)) is in dependence
with
mem_access_b (conflicting_iterations_in_b (last_conflicts)).