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[Bug tree-optimization/50067] [4.7 Regression] Wrong code with -fpredictive-commoning
- 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: Wed, 24 Aug 2011 10:07:24 +0000
- Subject: [Bug tree-optimization/50067] [4.7 Regression] Wrong code with -fpredictive-commoning
- Auto-submitted: auto-generated
- References: <bug-50067-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50067
--- Comment #15 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-08-24 10:07:24 UTC ---
Author: rguenth
Date: Wed Aug 24 10:07:20 2011
New Revision: 178028
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178028
Log:
2011-08-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50067
* tree-data-ref.c (dr_analyze_indices): Do not add an access
function for a MEM_REF base that has no evolution in the loop
nest or that is not analyzable.
* gcc.dg/torture/pr50067-3.c: New testcase.
* gcc.dg/torture/pr50067-4.c: Likewise.
* gcc.dg/torture/pr50067-5.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr50067-3.c
trunk/gcc/testsuite/gcc.dg/torture/pr50067-4.c
trunk/gcc/testsuite/gcc.dg/torture/pr50067-5.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-data-ref.c