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[Bug tree-optimization/78189] [5/6/7 Regression] movaps generated for unaligned store in aligned struct, when struct is referenced via unaligned member.
- 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, 07 Nov 2016 08:05:40 +0000
- Subject: [Bug tree-optimization/78189] [5/6/7 Regression] movaps generated for unaligned store in aligned struct, when struct is referenced via unaligned member.
- Auto-submitted: auto-generated
- References: <bug-78189-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78189
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Nov 7 08:05:08 2016
New Revision: 241892
URL: https://gcc.gnu.org/viewcvs?rev=241892&root=gcc&view=rev
Log:
2016-11-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/78189
* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Fix
alignment computation.
* g++.dg/torture/pr78189.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr78189.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c