2016-10-05 Richard Biener <rguenther@suse.de>
commiteb93b162383d4c5bbddd56234c45f78e7e98a197
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 5 Oct 2016 11:34:58 +0000 (5 11:34 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 5 Oct 2016 11:34:58 +0000 (5 11:34 +0000)
tree67b02b7097aa4094b477c7958e05d2e179671a19
parenta66dafd43a6a4faf3b4847c063341f3eb1e0703e
2016-10-05  Richard Biener  <rguenther@suse.de>

* match.pd (copysign(x, CST) -> [-]abs (x)): New pattern.

* gcc.dg/fold-copysign-1.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240775 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/match.pd
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/fold-copysign-1.c [new file with mode: 0644]