From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DC7A53857018; Wed, 23 Mar 2022 16:59:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DC7A53857018 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/104987] [12 Regression] Recent change causing vrp13.c regressions on several targets Date: Wed, 23 Mar 2022 16:59:53 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org 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: 12.0 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: Wed, 23 Mar 2022 16:59:54 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104987 --- Comment #5 from Jakub Jelinek --- And it is unclear to me how it could get the sign of the multiplication wro= ng, it is a normal SImode mul which multiplies the values of SImode r6 and r7 registers. As it isn't hipart multiply or something similar, it doesn't care about sig= n, it should be the same. Or are you getting a different assembly?=