2016-05-31 Richard Biener <rguenther@suse.de>
commite1f7cc4b4aba602bbc6edd46ee5b71fbdfd296bf
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 31 May 2016 12:18:15 +0000 (31 12:18 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 31 May 2016 12:18:15 +0000 (31 12:18 +0000)
tree85254d6388859050eae0e98b7d517d512f953dfb
parent70bcc5cbd41f1ae53e571eabf7ac28dcc0590d90
2016-05-31  Richard Biener  <rguenther@suse.de>

PR tree-optimization/71352
* tree-ssa-reassoc.c (zero_one_operation): Handle op equal to
minus one and a negate.

* gcc.dg/tree-ssa/reassoc-45.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@236920 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/reassoc-45.c [new file with mode: 0644]
gcc/tree-ssa-reassoc.c