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[Bug middle-end/77407] Optimize integer i / abs (i) into the sign of i
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 04 Oct 2016 13:18:50 +0000
- Subject: [Bug middle-end/77407] Optimize integer i / abs (i) into the sign of i
- Auto-submitted: auto-generated
- References: <bug-77407-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77407
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Oct 4 13:18:18 2016
New Revision: 240742
URL: https://gcc.gnu.org/viewcvs?rev=240742&root=gcc&view=rev
Log:
2016-10-04 Richard Biener <rguenther@suse.de>
PR middle-end/77407
* match.pd (X / abs (X) -> X < 0 ? -1 : 1): Drop vector
type support, mark with :C.
(X / -X -> -1): Mark with :C.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/match.pd