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[Bug tree-optimization/49518] [4.6/4.7 Regression] ICE in vect_enhance_data_refs_alignment, at tree-vect-data-refs.c:1555
- 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: Tue, 5 Jul 2011 11:27:48 +0000
- Subject: [Bug tree-optimization/49518] [4.6/4.7 Regression] ICE in vect_enhance_data_refs_alignment, at tree-vect-data-refs.c:1555
- Auto-submitted: auto-generated
- References: <bug-49518-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49518
--- Comment #7 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-07-05 11:24:30 UTC ---
Author: rguenth
Date: Tue Jul 5 11:24:26 2011
New Revision: 175847
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175847
Log:
2011-07-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/49518
PR tree-optimization/49628
* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Skip
irrelevant and invariant data-references.
(vect_analyze_data_ref_access): For invariant loads clear the
group association.
* g++.dg/torture/pr49628.C: New testcase.
* gcc.dg/torture/pr49518.c: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr49628.C
trunk/gcc/testsuite/gcc.dg/torture/pr49518.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-data-refs.c