From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7ECBE3858415; Tue, 21 Nov 2023 21:44:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7ECBE3858415 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1700603075; bh=MbcoBd2TW+ylN8HS7a2/RIkiU4JscE1NXy0V68Esya4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=N852zXa4nttLWGVfNYRded+HxF04GrXUbqYcgzfmdHSB3/60+Wvb6IEXl79YHP+aO nEp++1tICYxfsIQlHWF1zrF6WCQvqV9blKwyfN1i5YhbEmWID8/o1A4XeKTKf+12hf RNtjC1fsVpoQFWvPgj01K4EgllmMo4GHVEs6P+s0= From: "hubicka at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/112653] We should optimize memmove to memcpy using alias oracle Date: Tue, 21 Nov 2023 21:44:35 +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: unknown X-Bugzilla-Keywords: alias, missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: hubicka at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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=3D112653 --- Comment #3 from Jan Hubicka --- PR82898 testcases seems to be about type based alias analysis. However PTA should be useable here.=