1 /*
2 * Copyright (c) 2003, 2004, 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 static void pd_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
26 (void)memmove(to, from, count * HeapWordSize);
27 }
28
29 static void pd_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
30 #ifdef AMD64
31 switch (count) {
32 case 8: to[7] = from[7];
33 case 7: to[6] = from[6];
34 case 6: to[5] = from[5];
35 case 5: to[4] = from[4];
36 case 4: to[3] = from[3];
37 case 3: to[2] = from[2];
38 case 2: to[1] = from[1];
39 case 1: to[0] = from[0];
40 case 0: break;
41 default:
42 (void)memcpy(to, from, count * HeapWordSize);
43 break;
44 }
147 #else
148 pd_conjoint_bytes(from, to, count);
149 #endif // AMD64
150 }
151
152 static void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) {
153 pd_conjoint_jshorts_atomic((jshort*)from, (jshort*)to, count);
154 }
155
156 static void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) {
157 pd_conjoint_jints_atomic((jint*)from, (jint*)to, count);
158 }
159
160 static void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) {
161 pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count);
162 }
163
164 static void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) {
165 pd_conjoint_oops_atomic((oop*)from, (oop*)to, count);
166 }
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1 /*
2 * Copyright (c) 2003, 2010, 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_WINDOWS_X86_VM_COPY_WINDOWS_X86_INLINE_HPP
26 #define OS_CPU_WINDOWS_X86_VM_COPY_WINDOWS_X86_INLINE_HPP
27
28 static void pd_conjoint_words(HeapWord* from, HeapWord* to, size_t count) {
29 (void)memmove(to, from, count * HeapWordSize);
30 }
31
32 static void pd_disjoint_words(HeapWord* from, HeapWord* to, size_t count) {
33 #ifdef AMD64
34 switch (count) {
35 case 8: to[7] = from[7];
36 case 7: to[6] = from[6];
37 case 6: to[5] = from[5];
38 case 5: to[4] = from[4];
39 case 4: to[3] = from[3];
40 case 3: to[2] = from[2];
41 case 2: to[1] = from[1];
42 case 1: to[0] = from[0];
43 case 0: break;
44 default:
45 (void)memcpy(to, from, count * HeapWordSize);
46 break;
47 }
150 #else
151 pd_conjoint_bytes(from, to, count);
152 #endif // AMD64
153 }
154
155 static void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) {
156 pd_conjoint_jshorts_atomic((jshort*)from, (jshort*)to, count);
157 }
158
159 static void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) {
160 pd_conjoint_jints_atomic((jint*)from, (jint*)to, count);
161 }
162
163 static void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) {
164 pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count);
165 }
166
167 static void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) {
168 pd_conjoint_oops_atomic((oop*)from, (oop*)to, count);
169 }
170
171 #endif // OS_CPU_WINDOWS_X86_VM_COPY_WINDOWS_X86_INLINE_HPP
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