https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77407
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Author: rguenth Date: Thu Sep 29 12:28:19 2016 New Revision: 240616 URL: https://gcc.gnu.org/viewcvs?rev=240616&root=gcc&view=rev Log: 2016-09-29 Richard Biener <rguent...@suse.de> PR middle-end/77407 * match.pd: Add X / abs (X) -> X < 0 ? -1 : 1 and X / -X -> -1 simplifications. * gcc.dg/pr77407.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/pr77407.c Modified: trunk/gcc/ChangeLog trunk/gcc/match.pd trunk/gcc/testsuite/ChangeLog