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2019-09-25 Richard Biener <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 26 Sep 2019 16:54:51 +0000 (16:54 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 26 Sep 2019 16:54:51 +0000 (16:54 +0000)
commita74b91fa21ca8df126c23b704285a433e76ba4dc
treea2335246e4ea0ed0bd0ecd9fb508bcd581749c5ftree
parent4bbb44806bdf10bf827b444707c54044d7b8839dcommit | diff
2019-09-25  Richard Biener  <rguenther@suse.de>

PR tree-optimization/91896
* tree-vect-loop.c (vectorizable_reduction): The single
def-use cycle optimization cannot apply when there's more
than one pattern stmt involved.

* gcc.dg/torture/pr91896.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@276158 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/expr.c diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.target/i386/pr91897.c [new file with mode: 0644] blob
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