From owner-svn-src-all@freebsd.org Sat Jun 9 18:31:20 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 938DF101FFD8; Sat, 9 Jun 2018 18:31:20 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 460746CC4A; Sat, 9 Jun 2018 18:31:20 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 285FD217F7; Sat, 9 Jun 2018 18:31:20 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w59IVKv0040724; Sat, 9 Jun 2018 18:31:20 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w59IVJqk040722; Sat, 9 Jun 2018 18:31:19 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201806091831.w59IVJqk040722@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Sat, 9 Jun 2018 18:31:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r334890 - in head/sys: amd64/include i386/include X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: in head/sys: amd64/include i386/include X-SVN-Commit-Revision: 334890 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jun 2018 18:31:20 -0000 Author: markj Date: Sat Jun 9 18:31:19 2018 New Revision: 334890 URL: https://svnweb.freebsd.org/changeset/base/334890 Log: Tell the compiler that rdtscp clobbers %ecx. Modified: head/sys/amd64/include/cpufunc.h head/sys/i386/include/cpufunc.h Modified: head/sys/amd64/include/cpufunc.h ============================================================================== --- head/sys/amd64/include/cpufunc.h Sat Jun 9 18:11:46 2018 (r334889) +++ head/sys/amd64/include/cpufunc.h Sat Jun 9 18:31:19 2018 (r334890) @@ -391,7 +391,7 @@ rdtscp(void) { uint32_t low, high; - __asm __volatile("rdtscp" : "=a" (low), "=d" (high)); + __asm __volatile("rdtscp" : "=a" (low), "=d" (high) : : "ecx"); return (low | ((uint64_t)high << 32)); } Modified: head/sys/i386/include/cpufunc.h ============================================================================== --- head/sys/i386/include/cpufunc.h Sat Jun 9 18:11:46 2018 (r334889) +++ head/sys/i386/include/cpufunc.h Sat Jun 9 18:31:19 2018 (r334890) @@ -373,7 +373,7 @@ rdtscp(void) { uint64_t rv; - __asm __volatile("rdtscp" : "=A" (rv)); + __asm __volatile("rdtscp" : "=A" (rv) : : "ecx"); return (rv); }