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 // Implementation of class OrderAccess.
26
27 // For Sun Studio - implementation is in solaris_i486.il.
28 // For gcc - implementation is just below.
29 extern "C" void _OrderAccess_acquire();
30 extern "C" void _OrderAccess_fence();
31
32 inline void OrderAccess::loadload() { acquire(); }
33 inline void OrderAccess::storestore() { release(); }
34 inline void OrderAccess::loadstore() { acquire(); }
35 inline void OrderAccess::storeload() { fence(); }
36
37 inline void OrderAccess::acquire() {
38 _OrderAccess_acquire();
39
40 }
41
42 inline void OrderAccess::release() {
43 // Avoid hitting the same cache-line from
44 // different threads.
110 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
111 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
112 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
113
114 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
115 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
116
117 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
118 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
119 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
120 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
121 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
122 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
123 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
124 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
125 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
126 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
127
128 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
129 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
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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_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
26 #define OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
27
28 #include "runtime/orderAccess.hpp"
29 #include "vm_version_x86.hpp"
30
31 // Implementation of class OrderAccess.
32
33 // For Sun Studio - implementation is in solaris_i486.il.
34 // For gcc - implementation is just below.
35 extern "C" void _OrderAccess_acquire();
36 extern "C" void _OrderAccess_fence();
37
38 inline void OrderAccess::loadload() { acquire(); }
39 inline void OrderAccess::storestore() { release(); }
40 inline void OrderAccess::loadstore() { acquire(); }
41 inline void OrderAccess::storeload() { fence(); }
42
43 inline void OrderAccess::acquire() {
44 _OrderAccess_acquire();
45
46 }
47
48 inline void OrderAccess::release() {
49 // Avoid hitting the same cache-line from
50 // different threads.
116 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
117 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
118 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
119
120 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
121 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
122
123 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
124 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
125 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
126 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
127 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
128 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
129 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
130 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
131 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
132 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
133
134 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
135 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
136
137 #endif // OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
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