From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4FFE03AA9402; Fri, 20 May 2022 11:46:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4FFE03AA9402 From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/105629] [13 Regression] g++.dg/opt/pr94589-2.C for cris, m68k, s390x Date: Fri, 20 May 2022 11:46:40 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 May 2022 11:46:40 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105629 --- Comment #4 from rguenther at suse dot de --- On Fri, 20 May 2022, hp at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105629 >=20 > --- Comment #3 from Hans-Peter Nilsson --- > (In reply to rguenther@suse.de from comment #2) > > On Thu, 19 May 2022, hp at gcc dot gnu.org wrote: > > I wonder if you can help and "bisect" the actual pattern that is now > > enabled for GENERIC folding? The testcase is about spaceship optimizat= ion > > and the matching done in forwprop might be quite specific and in the ne= ed > > of a slight adjustment. >=20 > I'm going to interpret that as "if each pattern had its own #if > GIMPLE-wrapping, which hunk in the diff caused the regression". I'll try= and > see if it's as simple as it sounds. Yes - thanks.=