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annotate src/os_cpu/solaris_x86/vm/copy_solaris_x86.inline.hpp @ 16734:7d7fae9e9d17
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author | Michael Haupt <michael.haupt@oracle.com> |
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date | Sat, 09 Aug 2014 08:51:01 -0700 |
parents | f95d63e2154a |
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rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP |
26 #define OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP | |
27 | |
0 | 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 #ifndef AMD64 | |
34 (void)memcpy(to, from, count * HeapWordSize); | |
35 #else | |
36 switch (count) { | |
37 case 8: to[7] = from[7]; | |
38 case 7: to[6] = from[6]; | |
39 case 6: to[5] = from[5]; | |
40 case 5: to[4] = from[4]; | |
41 case 4: to[3] = from[3]; | |
42 case 3: to[2] = from[2]; | |
43 case 2: to[1] = from[1]; | |
44 case 1: to[0] = from[0]; | |
45 case 0: break; | |
46 default: | |
47 (void)memcpy(to, from, count * HeapWordSize); | |
48 break; | |
49 } | |
50 #endif // AMD64 | |
51 } | |
52 | |
53 static void pd_disjoint_words_atomic(HeapWord* from, HeapWord* to, size_t count) { | |
54 switch (count) { | |
55 case 8: to[7] = from[7]; | |
56 case 7: to[6] = from[6]; | |
57 case 6: to[5] = from[5]; | |
58 case 5: to[4] = from[4]; | |
59 case 4: to[3] = from[3]; | |
60 case 3: to[2] = from[2]; | |
61 case 2: to[1] = from[1]; | |
62 case 1: to[0] = from[0]; | |
63 case 0: break; | |
64 default: while (count-- > 0) { | |
65 *to++ = *from++; | |
66 } | |
67 break; | |
68 } | |
69 } | |
70 | |
71 static void pd_aligned_conjoint_words(HeapWord* from, HeapWord* to, size_t count) { | |
72 (void)memmove(to, from, count * HeapWordSize); | |
73 } | |
74 | |
75 static void pd_aligned_disjoint_words(HeapWord* from, HeapWord* to, size_t count) { | |
76 pd_disjoint_words(from, to, count); | |
77 } | |
78 | |
79 static void pd_conjoint_bytes(void* from, void* to, size_t count) { | |
80 #ifdef AMD64 | |
81 (void)memmove(to, from, count); | |
82 #else | |
83 _Copy_conjoint_bytes(from, to, count); | |
84 #endif // AMD64 | |
85 } | |
86 | |
87 static void pd_conjoint_bytes_atomic(void* from, void* to, size_t count) { | |
88 pd_conjoint_bytes(from, to, count); | |
89 } | |
90 | |
91 static void pd_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) { | |
92 _Copy_conjoint_jshorts_atomic(from, to, count); | |
93 } | |
94 | |
95 static void pd_conjoint_jints_atomic(jint* from, jint* to, size_t count) { | |
96 _Copy_conjoint_jints_atomic(from, to, count); | |
97 } | |
98 | |
99 static void pd_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) { | |
100 // Guarantee use of fild/fistp or xmm regs via some asm code, because compilers won't. | |
101 _Copy_conjoint_jlongs_atomic(from, to, count); | |
102 } | |
103 | |
104 static void pd_conjoint_oops_atomic(oop* from, oop* to, size_t count) { | |
105 #ifdef AMD64 | |
106 assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size"); | |
107 _Copy_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count); | |
108 #else | |
109 _Copy_conjoint_jints_atomic((jint*)from, (jint*)to, count); | |
110 #endif // AMD64 | |
111 } | |
112 | |
113 static void pd_arrayof_conjoint_bytes(HeapWord* from, HeapWord* to, size_t count) { | |
114 _Copy_arrayof_conjoint_bytes(from, to, count); | |
115 } | |
116 | |
117 static void pd_arrayof_conjoint_jshorts(HeapWord* from, HeapWord* to, size_t count) { | |
118 _Copy_arrayof_conjoint_jshorts(from, to, count); | |
119 } | |
120 | |
121 static void pd_arrayof_conjoint_jints(HeapWord* from, HeapWord* to, size_t count) { | |
122 _Copy_arrayof_conjoint_jints(from, to, count); | |
123 } | |
124 | |
125 static void pd_arrayof_conjoint_jlongs(HeapWord* from, HeapWord* to, size_t count) { | |
126 #ifdef AMD64 | |
127 _Copy_arrayof_conjoint_jlongs(from, to, count); | |
128 #else | |
129 pd_conjoint_jlongs_atomic((jlong*)from, (jlong*)to, count); | |
130 #endif // AMD64 | |
131 } | |
132 | |
133 static void pd_arrayof_conjoint_oops(HeapWord* from, HeapWord* to, size_t count) { | |
134 #ifdef AMD64 | |
135 assert(BytesPerLong == BytesPerOop, "jlongs and oops must be the same size"); | |
136 _Copy_arrayof_conjoint_jlongs(from, to, count); | |
137 #else | |
138 assert(BytesPerInt == BytesPerOop, "jints and oops must be the same size"); | |
139 _Copy_arrayof_conjoint_jints(from, to, count); | |
140 #endif // AMD64 | |
141 } | |
1972 | 142 |
143 #endif // OS_CPU_SOLARIS_X86_VM_COPY_SOLARIS_X86_INLINE_HPP |