From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C1AE13858D1E; Thu, 1 Sep 2022 14:35:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C1AE13858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1662042910; bh=JQLOw9kIg6q36lMxU9PWwwyly2QrBhS23U/V5hF5B8U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Y1SJzfZnzMZvO5n8jeIWIgxUezzjN5xrSenppaB0yYAmcdpc1XlwdM/ZAwnODkmxv Kw+CyTGM28763/cqI6+l8s/+foKrG72X4QFB9IDIEO62l59saFP2Egt4/RQ63YGbsp xw+a3SZVBwuHgSUuzTdgQ6ET4w3ALqwlJF3tPoyo= From: "rearnsha at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/106763] Armv8.2 vmov.f16 instruction sometimes causes SIGILL Date: Thu, 01 Sep 2022 14:35:10 +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: 12.2.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rearnsha at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: INVALID 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=3D106763 --- Comment #14 from Richard Earnshaw --- Also beware that I don't think Russel King (Arm Linux kernel maintainer) wo= uld accept this patch on its own. You'd likely need to add some boot time detection of the additional feature and expose that through the HWCAP inter= face to do a complete patch. But that's icing on the cake really.=