2016-02-01 Richard Biener <rguenther@suse.de>
commitb40076551c837acba2e96fe7f5613c102c5cf563
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 1 Feb 2016 15:40:23 +0000 (1 15:40 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 1 Feb 2016 15:40:23 +0000 (1 15:40 +0000)
tree34d167906d80905ebb683f3569c2ebae20298c70
parent88a477bb398fdd6ac798b2d6fdd951d4b82fb377
2016-02-01  Richard Biener  <rguenther@suse.de>

PR middle-end/69556
* match.pd: Guard (C1/X)*C2 -> (C1*C2)/X with single_use.

* gcc.dg/tree-ssa/recip-8.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233040 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/match.pd
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/recip-8.c [new file with mode: 0644]