src/share/vm/runtime/orderAccess.cpp

Thu, 24 May 2018 19:24:53 +0800

author
aoqi
date
Thu, 24 May 2018 19:24:53 +0800
changeset 8861
2a33b32dd03c
parent 6876
710a3c8b516e
permissions
-rw-r--r--

#7046 Disable the compilation when branch offset is beyond short branch
Contributed-by: fujie, aoqi

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #include "precompiled.hpp"
aoqi@0 26 #include "runtime/orderAccess.hpp"
aoqi@0 27 #include "runtime/stubRoutines.hpp"
aoqi@0 28 #include "runtime/thread.hpp"
aoqi@0 29
aoqi@0 30 void OrderAccess::StubRoutines_fence() {
aoqi@0 31 // Use a stub if it exists. It may not exist during bootstrap so do
aoqi@0 32 // nothing in that case but assert if no fence code exists after threads have been created
aoqi@0 33 void (*func)() = CAST_TO_FN_PTR(void (*)(), StubRoutines::fence_entry());
aoqi@0 34
aoqi@0 35 if (func != NULL) {
aoqi@0 36 (*func)();
aoqi@0 37 return;
aoqi@0 38 }
aoqi@0 39 assert(Threads::number_of_threads() == 0, "for bootstrap only");
aoqi@0 40 }

mercurial