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[Bug middle-end/66253] [6 Regression] 459.GemsFDTD in SPEC CPU 2006 is miscompiled
- From: "matz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 18 Jun 2015 13:31:49 +0000
- Subject: [Bug middle-end/66253] [6 Regression] 459.GemsFDTD in SPEC CPU 2006 is miscompiled
- Auto-submitted: auto-generated
- References: <bug-66253-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66253
--- Comment #8 from Michael Matz <matz at gcc dot gnu.org> ---
Author: matz
Date: Thu Jun 18 13:31:17 2015
New Revision: 224605
URL: https://gcc.gnu.org/viewcvs?rev=224605&root=gcc&view=rev
Log:
PR middle-end/66253
* tree-vect-stmts.c (vectorizable_store): Implement non-SLP
grouped strided stores.
(vectorizable_load): Don't use the DR from first_stmt in
the non-SLP grouped strided case.
testsuite/
* gcc.dg/vect/pr66253.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/vect/pr66253.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-stmts.c