1 /*
2 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
26 #define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
27
28 #include "runtime/orderAccess.hpp"
29 #include "vm_version_sparc.hpp"
30
31 // Implementation of class OrderAccess.
32
33 // Assume TSO.
34
35 // In solaris_sparc.il
36 extern "C" void _OrderAccess_acquire();
37 extern "C" void _OrderAccess_fence();
38
39 inline void OrderAccess::loadload() { acquire(); }
40 inline void OrderAccess::storestore() { release(); }
41 inline void OrderAccess::loadstore() { acquire(); }
42 inline void OrderAccess::storeload() { fence(); }
43
44 #ifdef _GNU_SOURCE
45
46 inline void OrderAccess::acquire() {
47 __asm__ volatile ("nop" : : :);
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1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
26 #define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
27
28 #include "runtime/atomic.inline.hpp"
29 #include "runtime/orderAccess.hpp"
30 #include "vm_version_sparc.hpp"
31
32 // Implementation of class OrderAccess.
33
34 // Assume TSO.
35
36 // In solaris_sparc.il
37 extern "C" void _OrderAccess_acquire();
38 extern "C" void _OrderAccess_fence();
39
40 inline void OrderAccess::loadload() { acquire(); }
41 inline void OrderAccess::storestore() { release(); }
42 inline void OrderAccess::loadstore() { acquire(); }
43 inline void OrderAccess::storeload() { fence(); }
44
45 #ifdef _GNU_SOURCE
46
47 inline void OrderAccess::acquire() {
48 __asm__ volatile ("nop" : : :);
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