From owner-freebsd-java@freebsd.org Wed Jan 10 18:47:55 2018 Return-Path: Delivered-To: freebsd-java@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C60BAE6EA60 for ; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id A18CC10D1 for ; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id A0DF1E6EA5F; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) Delivered-To: java@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A083BE6EA5D for ; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 87E1410D0 for ; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 7D2081E59D for ; Wed, 10 Jan 2018 18:47:55 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w0AIltHT003827 for ; Wed, 10 Jan 2018 18:47:55 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w0AIltrX003826 for java@FreeBSD.org; Wed, 10 Jan 2018 18:47:55 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: java@FreeBSD.org Subject: [Bug 225054] java/openjdk* : fails to build with clang 6.0 (blocks 571 ports) Date: Wed, 10 Jan 2018 18:47:55 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: patch X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: jkim@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: java@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: cc bug_status Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-java@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Porting Java to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Jan 2018 18:47:55 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225054 Jung-uk Kim changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jkim@FreeBSD.org Status|New |Open --- Comment #2 from Jung-uk Kim --- This patch does not look good. The previous inline assembly should generate something like this: je .Ltmp0 lock .Ltmp0: cmpxchgl %ecx, (%edi) Assembled: 4: 0f 84 01 00 00 00 je b a: f0 67 0f b1 0f lock addr32 cmpxchg %ecx,(%edi) Your patch will generate something like this: je .Ltmp0 .Ltmp0: lock cmpxchgl %ecx, (%edi) Assembled: 4: 0f 84 00 00 00 00 je a a: f0 67 0f b1 0f lock addr32 cmpxchg %ecx,(%edi) As you can see, this patch *always* adds the prefix for cmpxchg. --=20 You are receiving this mail because: You are the assignee for the bug.=