From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 17B653858D1E; Fri, 12 Jan 2024 19:56:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 17B653858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705089413; bh=e1BsmJuLzYzjRB5cVrVddGf/WVtqZ4geYwBNTy/wRNQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GcamQomlQ20QgVz15+S1fLfAgh99zBITTzFCg/a9A6kMUCdXe1ITacqeKBOhzT1ll EfTqljnMpnYJym4AepZ+jfYy72upGkFckkfIkP8JYCsrN5olmh54Q95REwf2h5NFKi u8aJ052+ZrzuQ0Yreq8+PPjNqatzmUHe7sv5xAS0= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/113359] [13 Regression] LTO miscompilation of ceph on aarch64 Date: Fri, 12 Jan 2024 19:56:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 13.2.1 X-Bugzilla-Keywords: lto, 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: 13.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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=3D113359 --- Comment #6 from Jakub Jelinek --- Created attachment 57061 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D57061&action=3Dedit SloppyCRCMap.ii.xz When using current GCC trunk instead of current GCC 13 branch (CrtStuff.i.x= z is the same between both), the problematic optimization doesn't happen, both before SRA and after it the code has MEM[(struct pair *)_5 + 32B] =3D MEM[(const struct pair &)__args#0_4(D)];=