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[Bug tree-optimization/69719] [5/6 Regression] wrong code at -O3 on x86_64-linux-gnu
- 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, 08 Feb 2016 14:51:51 +0000
- Subject: [Bug tree-optimization/69719] [5/6 Regression] wrong code at -O3 on x86_64-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-69719-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69719
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Feb 8 14:51:20 2016
New Revision: 233212
URL: https://gcc.gnu.org/viewcvs?rev=233212&root=gcc&view=rev
Log:
2016-02-08 Richard Biener <rguenther@suse.de>
PR tree-optimization/69719
* tree-vect-data-refs.c (vect_prune_runtime_alias_test_list):
Properly use absolute of the difference of the two offsets to
compare or adjust the segment length.
* gcc.dg/torture/pr69719.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr69719.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c