From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 04F8D3858C2C; Tue, 23 Jan 2024 11:19:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 04F8D3858C2C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1706008766; bh=VJv6Ik0wXRF1y/hBP9H9P1kAYVDrw6kySUO6jp7AjqM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=jR20kL/hN9MQVzq3DjIJJa07sK2EGiZZ5VEMu9zGJCyhwgNHn32vZJmyOW640xSy0 Is84zmeuWOUPVcXYZMKAW5nbxwXvBIc0BEG2dasOSu0KmtTvmPyrr5g8B19gUWdgRo 1t5uCYU3PEgMCSsLJBNo0Y2vsgGembDD3qSPfmvc= From: "tnfchris 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 11:19:25 +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: tnfchris at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: tnfchris at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to bug_status 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 Tamar Christina changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |tnfchris at gcc dot= gnu.org Status|NEW |ASSIGNED --- Comment #9 from Tamar Christina --- (In reply to Richard Biener from comment #7) > So - the target should reject this clone or not generate it in the first > place. And of course the cost thing should be fixed which will likely ma= sk > the issue in the target. Yeah, looks like there's a bug in aarch64_simd_clone_compute_vecsize_and_simdlen that's also present on the branches. I'll submit a patch.=