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[Bug tree-optimization/81494] [8 Regression] 454.calculix miscompares with -Ofast after r249919
- From: "aldyh at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 13 Sep 2017 15:53:29 +0000
- Subject: [Bug tree-optimization/81494] [8 Regression] 454.calculix miscompares with -Ofast after r249919
- Auto-submitted: auto-generated
- References: <bug-81494-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81494
--- Comment #4 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Author: aldyh
Date: Wed Sep 13 15:52:57 2017
New Revision: 252120
URL: https://gcc.gnu.org/viewcvs?rev=252120&root=gcc&view=rev
Log:
2017-07-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/81573
PR tree-optimization/81494
* tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
multi defuse cycle case.
* gcc.dg/torture/pr81573.c: New testcase.
Added:
branches/range-gen2/gcc/testsuite/gcc.dg/torture/pr81573.c
Modified:
branches/range-gen2/gcc/ChangeLog
branches/range-gen2/gcc/testsuite/ChangeLog
branches/range-gen2/gcc/tree-vect-loop.c