From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id F330E3857C4B; Fri, 9 Sep 2022 10:04:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org F330E3857C4B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1662717890; bh=TaiySoMEak9qLgyvLqZ1rHZlLSqVA0AhTDl3kFkLVLc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ex7pb5/MTt0RI9omgxBZuDZe9cOQOzyZ+csNl67qN/J587oRT+sl2XQFBJ+ldQnul JeWXHOpbk2km9SQ4E2w9QkgVasfYH7hIdaF26/MfBw0UpFn2GymrWq6CKMKhfxV/dL Gu3mQAOPpLLOLr1t8wgKrQHCif1GG5vE4F1JESfQ= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/106892] [11/12/13 Regression] Wrong code at -O3 on x86_64-linux-gnu since r11-963-g80d6f89e78fc3b77 Date: Fri, 09 Sep 2022 10:04:50 +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: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.4 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106892 --- Comment #10 from Richard Biener --- So it's aready dataref analysis that tears apart the constant offset for dr.innermost, here as DR_BASE_ADDRESS &f DR_OFFSET (ssizetype) ((sizetype) prephitmp_80 * 18446744073709551612) DR_INIT 16 but ref_at_iteration associates that in an invalid way. I'm testing a patch.=