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re PR tree-optimization/61680 (vectorization gives wrong answer for sandybridge target)
authorRichard Biener <rguenther@suse.de>
Tue, 8 Jul 2014 08:59:17 +0000 (08:59 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Tue, 8 Jul 2014 08:59:17 +0000 (08:59 +0000)
commite33f43b9a67e362352709069bb71f97f7e94dc25
treea0149ef0766bf832169cea623a1943b156dc656atree
parent0f6284d27f11d16cced47627deb022041f8c9caccommit | diff
re PR tree-optimization/61680 (vectorization gives wrong answer for sandybridge target)

2014-07-08  Richard Biener  <rguenther@suse.de>

PR tree-optimization/61680
* tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
Handle properly all read-write dependences with group accesses.

* gcc.dg/vect/pr61680.c: New testcase.

From-SVN: r212348
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/vect/pr61680.c [new file with mode: 0644] blob
gcc/tree-vect-data-refs.c diff | blob | blame | history
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