From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 061FF385840E; Wed, 11 Jan 2023 23:54:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 061FF385840E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1673481291; bh=qpeuZM6Tn4X7c0dsuCFCNd1/rBz6qGmnM5jcWmFv3mo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=n5unhJk8YXrPibAwJFMl4OHbtgnU1oRkoBNL66ACQpZQpqf1cbBrQYe1rurgM7F5w 1laIal9KGyQftBHNJSZO/La8ulsoCITMSyDbO/yryJlCemdxNlASSQZDePGCLXe2i0 sMahOZq4dsrt12gWejlYa8Sl2X09b0TMqhpIguy0= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/96373] SVE miscompilation on vectorized division loop, leading to FP exception Date: Wed, 11 Jan 2023 23:54:48 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.2.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rsandifo 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=3D96373 --- Comment #13 from Andrew Pinski --- vect__1.9_40 =3D .MASK_LOAD (_13, 64B, loop_mask_39); _15 =3D &MEM [(double *)s_9(D) + ivtmp_48 * 8]; vect__2.12_43 =3D .MASK_LOAD (_15, 64B, loop_mask_39); vect__3.13_44 =3D vect__1.9_40 / vect__2.12_43; .MASK_STORE (_13, 64B, loop_mask_39, vect__3.13_44); The divide should have been masked using the loop_mask_39 too.=