From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5D9F03858C2F; Tue, 23 Jan 2024 08:13:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5D9F03858C2F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705997602; bh=+PQkHSvBt6WDYKVYenegF+YiS01rHVX1B+BP84D8YTs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ayT4uA++0luebfTpl5MKn1KiZbMaVOoKHeLNe4gJjkOOv/tMrGfj05ErX3QSf+6I5 HjAaV0jxGhFkPKaL153YXQe4PdMEqhth4TN9zFzeUPGzCSFe9+85aCa3tqjZ/9CBcs yf4M6mDMNu3vPAdugWzutXFX0usludDEYtNgB5Sg= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113552] [11/12/13/14 Regression] vectorizer generates calls to vector math routines with 1 simd lane. Date: Tue, 23 Jan 2024 08:13:19 +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: 14.0 X-Bugzilla-Keywords: link-failure X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: everconfirmed priority cc cf_reconfirmed_on bug_status target_milestone 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=3D113552 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Priority|P1 |P2 CC| |rguenth at gcc dot gnu.org Last reconfirmed| |2024-01-23 Status|UNCONFIRMED |WAITING Target Milestone|14.0 |11.5 --- Comment #1 from Richard Biener --- Hum, the vectorizer looks at the simd specs and if it says 1-lane variants (simdlen =3D=3D 1) are available it will happily create them. Can you provide the testcase amended with the used SIMD "declarations" (as with the fortran syntax or with a C testcase)?=