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2019-11-04 Richard Biener <rguenther@suse.de>
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 4 Nov 2019 14:50:11 +0000 (14:50 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 4 Nov 2019 14:50:11 +0000 (14:50 +0000)
commitf508c7d8a6707fd0742dee3b75618a699bf12dff
tree50191fd7a90f87d35c5946d77884152bb82d1e39tree
parentef0752d323b5a250caf1b972354f3749382c8dcecommit | diff
2019-11-04  Richard Biener  <rguenther@suse.de>

PR tree-optimization/92345
* tree-vect-loop.c (vect_is_simple_reduction): Return whether
we produced a reduction chain.
(vect_analyze_scalar_cycles_1): Do not add reduction chains to
LOOP_VINFO_REDUCTIONS.

* gcc.dg/torture/pr92345.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@277782 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/testsuite/ChangeLog diff | blob | blame | history
gcc/testsuite/gcc.dg/torture/pr92345.c [new file with mode: 0644] blob
gcc/tree-vect-loop.c diff | blob | blame | history
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