annotate src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp @ 18408:2c3666f44855

Truffle: initial commit of object API implementation
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:19:43 +0100
parents 46c544b8fbfc
children
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1 /*
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2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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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.
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22 *
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23 */
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24
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25 #ifndef OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
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26 #define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
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27
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28 #include "runtime/atomic.hpp"
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29 #include "runtime/os.hpp"
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30 #include "vm_version_sparc.hpp"
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31
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32 // Implementation of class atomic
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33
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34 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
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35 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
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36 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
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37 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
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38 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
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39
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40 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
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41 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
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42 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
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43 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
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44 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
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45
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46 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
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47 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
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48 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
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49
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50 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
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51 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
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52 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
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53
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54
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55 #ifdef _LP64
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56
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57 inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; }
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58 inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; }
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59 inline jlong Atomic::load(volatile jlong* src) { return *src; }
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60
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61 #else
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62
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63 extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst);
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64
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65 inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) {
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66 _Atomic_move_long_v9(src, dst);
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67 }
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68
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69 inline jlong Atomic::load(volatile jlong* src) {
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70 volatile jlong dest;
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71 Atomic_move_long(src, &dest);
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72 return dest;
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73 }
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74
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75 inline void Atomic::store(jlong store_value, jlong* dest) {
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76 Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
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77 }
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78
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79 inline void Atomic::store(jlong store_value, volatile jlong* dest) {
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80 Atomic_move_long((volatile jlong*)&store_value, dest);
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81 }
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82
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83 #endif
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84
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85 #ifdef _GNU_SOURCE
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86
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87 inline jint Atomic::add (jint add_value, volatile jint* dest) {
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88 intptr_t rv;
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89 __asm__ volatile(
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90 "1: \n\t"
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91 " ld [%2], %%o2\n\t"
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92 " add %1, %%o2, %%o3\n\t"
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93 " cas [%2], %%o2, %%o3\n\t"
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94 " cmp %%o2, %%o3\n\t"
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95 " bne 1b\n\t"
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96 " nop\n\t"
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97 " add %1, %%o2, %0\n\t"
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98 : "=r" (rv)
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99 : "r" (add_value), "r" (dest)
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100 : "memory", "o2", "o3");
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101 return rv;
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102 }
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103
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104 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
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105 intptr_t rv;
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106 #ifdef _LP64
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107 __asm__ volatile(
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108 "1: \n\t"
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109 " ldx [%2], %%o2\n\t"
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110 " add %0, %%o2, %%o3\n\t"
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111 " casx [%2], %%o2, %%o3\n\t"
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112 " cmp %%o2, %%o3\n\t"
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113 " bne %%xcc, 1b\n\t"
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114 " nop\n\t"
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115 " add %0, %%o2, %0\n\t"
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116 : "=r" (rv)
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117 : "r" (add_value), "r" (dest)
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118 : "memory", "o2", "o3");
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119 #else //_LP64
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120 __asm__ volatile(
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121 "1: \n\t"
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122 " ld [%2], %%o2\n\t"
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123 " add %1, %%o2, %%o3\n\t"
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124 " cas [%2], %%o2, %%o3\n\t"
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125 " cmp %%o2, %%o3\n\t"
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126 " bne 1b\n\t"
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127 " nop\n\t"
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128 " add %1, %%o2, %0\n\t"
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129 : "=r" (rv)
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130 : "r" (add_value), "r" (dest)
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131 : "memory", "o2", "o3");
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132 #endif // _LP64
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133 return rv;
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134 }
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135
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136 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
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137 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
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138 }
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139
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140
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141 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
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142 intptr_t rv = exchange_value;
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143 __asm__ volatile(
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144 " swap [%2],%1\n\t"
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145 : "=r" (rv)
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146 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
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147 : "memory");
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148 return rv;
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149 }
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150
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151 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
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152 intptr_t rv = exchange_value;
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153 #ifdef _LP64
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154 __asm__ volatile(
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155 "1:\n\t"
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156 " mov %1, %%o3\n\t"
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157 " ldx [%2], %%o2\n\t"
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158 " casx [%2], %%o2, %%o3\n\t"
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159 " cmp %%o2, %%o3\n\t"
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160 " bne %%xcc, 1b\n\t"
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161 " nop\n\t"
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162 " mov %%o2, %0\n\t"
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163 : "=r" (rv)
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164 : "r" (exchange_value), "r" (dest)
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165 : "memory", "o2", "o3");
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166 #else //_LP64
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167 __asm__ volatile(
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168 "swap [%2],%1\n\t"
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169 : "=r" (rv)
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170 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
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171 : "memory");
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172 #endif // _LP64
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173 return rv;
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174 }
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175
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176 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
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177 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
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178 }
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179
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180
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181 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
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182 jint rv;
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183 __asm__ volatile(
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184 " cas [%2], %3, %0"
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185 : "=r" (rv)
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186 : "0" (exchange_value), "r" (dest), "r" (compare_value)
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187 : "memory");
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188 return rv;
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189 }
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190
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191 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
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192 #ifdef _LP64
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193 jlong rv;
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194 __asm__ volatile(
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195 " casx [%2], %3, %0"
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196 : "=r" (rv)
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197 : "0" (exchange_value), "r" (dest), "r" (compare_value)
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198 : "memory");
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199 return rv;
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200 #else //_LP64
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201 volatile jlong_accessor evl, cvl, rv;
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202 evl.long_value = exchange_value;
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203 cvl.long_value = compare_value;
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204
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205 __asm__ volatile(
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206 " sllx %2, 32, %2\n\t"
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207 " srl %3, 0, %3\n\t"
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208 " or %2, %3, %2\n\t"
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209 " sllx %5, 32, %5\n\t"
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210 " srl %6, 0, %6\n\t"
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211 " or %5, %6, %5\n\t"
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212 " casx [%4], %5, %2\n\t"
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213 " srl %2, 0, %1\n\t"
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214 " srlx %2, 32, %0\n\t"
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215 : "=r" (rv.words[0]), "=r" (rv.words[1])
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216 : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1])
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217 : "memory");
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218
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219 return rv.long_value;
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220 #endif //_LP64
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221 }
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222
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223 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
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224 intptr_t rv;
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225 #ifdef _LP64
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226 __asm__ volatile(
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227 " casx [%2], %3, %0"
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228 : "=r" (rv)
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229 : "0" (exchange_value), "r" (dest), "r" (compare_value)
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230 : "memory");
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231 #else //_LP64
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232 __asm__ volatile(
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233 " cas [%2], %3, %0"
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234 : "=r" (rv)
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235 : "0" (exchange_value), "r" (dest), "r" (compare_value)
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236 : "memory");
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237 #endif // _LP64
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238 return rv;
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239 }
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240
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241 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
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242 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
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243 }
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244
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245 #else // _GNU_SOURCE
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246
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247 #if defined(COMPILER2) || defined(_LP64)
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248
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249 // This is the interface to the atomic instructions in solaris_sparc.il.
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250 // It's very messy because we need to support v8 and these instructions
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251 // are illegal there. When sparc v8 is dropped, we can drop out lots of
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252 // this code. Also compiler2 does not support v8 so the conditional code
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253 // omits the instruction set check.
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254
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255 extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest);
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256 extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest);
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257
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258 extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value);
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259 extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value);
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260 extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value);
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261
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262 extern "C" jint _Atomic_add32(jint inc, volatile jint* dest);
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263 extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest);
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264
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265
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266 inline jint Atomic::add (jint add_value, volatile jint* dest) {
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267 return _Atomic_add32(add_value, dest);
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268 }
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269
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270 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
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271 #ifdef _LP64
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272 return _Atomic_add64(add_value, dest);
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273 #else //_LP64
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274 return _Atomic_add32(add_value, dest);
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275 #endif // _LP64
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276 }
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277
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278 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
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279 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
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280 }
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281
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282
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283 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
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284 return _Atomic_swap32(exchange_value, dest);
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285 }
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286
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287 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
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288 #ifdef _LP64
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289 return _Atomic_swap64(exchange_value, dest);
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290 #else // _LP64
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291 return _Atomic_swap32(exchange_value, dest);
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292 #endif // _LP64
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293 }
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294
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295 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
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296 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
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297 }
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298
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299
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300 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
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301 return _Atomic_cas32(exchange_value, dest, compare_value);
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302 }
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303
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304 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
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305 #ifdef _LP64
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306 // Return 64 bit value in %o0
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307 return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value);
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308 #else // _LP64
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309 // Return 64 bit value in %o0,%o1 by hand
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310 return _Atomic_casl(exchange_value, dest, compare_value);
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311 #endif // _LP64
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312 }
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313
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314 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
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315 #ifdef _LP64
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316 return _Atomic_cas64(exchange_value, dest, compare_value);
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317 #else // _LP64
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318 return _Atomic_cas32(exchange_value, dest, compare_value);
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319 #endif // _LP64
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320 }
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321
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322 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
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323 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
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324 }
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325
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326
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327 #else // _LP64 || COMPILER2
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328
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329
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330 // 32-bit compiler1 only
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331
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332 inline jint Atomic::add (jint add_value, volatile jint* dest) {
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333 return (*os::atomic_add_func)(add_value, dest);
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334 }
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335
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336 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
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337 return (intptr_t)add((jint)add_value, (volatile jint*)dest);
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338 }
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339
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340 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
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341 return (void*)add((jint)add_value, (volatile jint*)dest);
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342 }
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343
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344
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345 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
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346 return (*os::atomic_xchg_func)(exchange_value, dest);
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347 }
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348
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349 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
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350 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
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351 }
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352
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353 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
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354 return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
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355 }
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356
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357
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358 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
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359 return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value);
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360 }
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361
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362 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
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363 return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value);
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364 }
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365
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366 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
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367 return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value);
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368 }
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369
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370 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
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371 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value);
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372 }
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373
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374 #endif // _LP64 || COMPILER2
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375
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376 #endif // _GNU_SOURCE
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f95d63e2154a 6989984: Use standard include model for Hospot
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377
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378 #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP