Mercurial > hg > graal-compiler
annotate src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp @ 2250:f7de3327c683
7017124: Fix some VM stats to avoid 32-bit overflow
Summary: Added new method inc_stat_counter() to increment long statistic values and use atomic long load and store.
Reviewed-by: dholmes, jrose, phh, never
| author | kvn |
|---|---|
| date | Mon, 07 Feb 2011 10:34:39 -0800 |
| parents | 85c73c0edb06 |
| children | 63e54c37ac64 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2011, 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 * | |
|
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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_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |
| 26 #define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP | |
| 27 | |
| 28 #include "orderAccess_solaris_sparc.inline.hpp" | |
| 29 #include "runtime/atomic.hpp" | |
| 30 #include "runtime/os.hpp" | |
| 31 #include "vm_version_sparc.hpp" | |
| 32 | |
| 0 | 33 // Implementation of class atomic |
| 34 | |
| 35 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } | |
| 36 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } | |
| 37 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } | |
| 38 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } | |
| 39 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } | |
| 40 | |
| 41 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } | |
| 42 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } | |
| 43 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } | |
| 44 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } | |
| 45 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } | |
| 46 | |
| 47 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); } | |
| 48 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); } | |
| 49 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); } | |
| 50 | |
| 51 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); } | |
| 52 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); } | |
| 53 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); } | |
| 54 | |
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55 |
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56 #ifdef _LP64 |
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57 |
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58 inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; } |
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59 inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; } |
| 894 | 60 inline jlong Atomic::load(volatile jlong* src) { return *src; } |
| 61 | |
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62 #else |
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63 |
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64 extern "C" void _Atomic_move_long_v8(volatile jlong* src, volatile jlong* dst); |
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65 extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst); |
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66 |
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67 inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) { |
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68 #ifdef COMPILER2 |
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69 // Compiler2 does not support v8, it is used only for v9. |
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70 _Atomic_move_long_v9(src, dst); |
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71 #else |
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72 // The branch is cheaper then emulated LDD. |
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73 if (VM_Version::v9_instructions_work()) { |
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74 _Atomic_move_long_v9(src, dst); |
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75 } else { |
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76 _Atomic_move_long_v8(src, dst); |
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77 } |
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78 #endif |
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79 } |
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80 |
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81 inline jlong Atomic::load(volatile jlong* src) { |
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82 volatile jlong dest; |
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83 Atomic_move_long(src, &dest); |
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84 return dest; |
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85 } |
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86 |
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87 inline void Atomic::store(jlong store_value, jlong* dest) { |
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88 Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest); |
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89 } |
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90 |
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91 inline void Atomic::store(jlong store_value, volatile jlong* dest) { |
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92 Atomic_move_long((volatile jlong*)&store_value, dest); |
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93 } |
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94 |
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95 #endif |
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96 |
| 0 | 97 #ifdef _GNU_SOURCE |
| 98 | |
| 99 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 100 intptr_t rv; | |
| 101 __asm__ volatile( | |
| 102 "1: \n\t" | |
| 103 " ld [%2], %%o2\n\t" | |
| 104 " add %1, %%o2, %%o3\n\t" | |
| 105 " cas [%2], %%o2, %%o3\n\t" | |
| 106 " cmp %%o2, %%o3\n\t" | |
| 107 " bne 1b\n\t" | |
| 108 " nop\n\t" | |
| 109 " add %1, %%o2, %0\n\t" | |
| 110 : "=r" (rv) | |
| 111 : "r" (add_value), "r" (dest) | |
| 112 : "memory", "o2", "o3"); | |
| 113 return rv; | |
| 114 } | |
| 115 | |
| 116 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 117 intptr_t rv; | |
| 118 #ifdef _LP64 | |
| 119 __asm__ volatile( | |
| 120 "1: \n\t" | |
| 121 " ldx [%2], %%o2\n\t" | |
| 122 " add %0, %%o2, %%o3\n\t" | |
| 123 " casx [%2], %%o2, %%o3\n\t" | |
| 124 " cmp %%o2, %%o3\n\t" | |
| 125 " bne %%xcc, 1b\n\t" | |
| 126 " nop\n\t" | |
| 127 " add %0, %%o2, %0\n\t" | |
| 128 : "=r" (rv) | |
| 129 : "r" (add_value), "r" (dest) | |
| 130 : "memory", "o2", "o3"); | |
| 131 #else //_LP64 | |
| 132 __asm__ volatile( | |
| 133 "1: \n\t" | |
| 134 " ld [%2], %%o2\n\t" | |
| 135 " add %1, %%o2, %%o3\n\t" | |
| 136 " cas [%2], %%o2, %%o3\n\t" | |
| 137 " cmp %%o2, %%o3\n\t" | |
| 138 " bne 1b\n\t" | |
| 139 " nop\n\t" | |
| 140 " add %1, %%o2, %0\n\t" | |
| 141 : "=r" (rv) | |
| 142 : "r" (add_value), "r" (dest) | |
| 143 : "memory", "o2", "o3"); | |
| 144 #endif // _LP64 | |
| 145 return rv; | |
| 146 } | |
| 147 | |
| 148 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 149 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); | |
| 150 } | |
| 151 | |
| 152 | |
| 153 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 154 intptr_t rv = exchange_value; | |
| 155 __asm__ volatile( | |
| 156 " swap [%2],%1\n\t" | |
| 157 : "=r" (rv) | |
| 158 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) | |
| 159 : "memory"); | |
| 160 return rv; | |
| 161 } | |
| 162 | |
| 163 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 164 intptr_t rv = exchange_value; | |
| 165 #ifdef _LP64 | |
| 166 __asm__ volatile( | |
| 167 "1:\n\t" | |
| 168 " mov %1, %%o3\n\t" | |
| 169 " ldx [%2], %%o2\n\t" | |
| 170 " casx [%2], %%o2, %%o3\n\t" | |
| 171 " cmp %%o2, %%o3\n\t" | |
| 172 " bne %%xcc, 1b\n\t" | |
| 173 " nop\n\t" | |
| 174 " mov %%o2, %0\n\t" | |
| 175 : "=r" (rv) | |
| 176 : "r" (exchange_value), "r" (dest) | |
| 177 : "memory", "o2", "o3"); | |
| 178 #else //_LP64 | |
| 179 __asm__ volatile( | |
| 180 "swap [%2],%1\n\t" | |
| 181 : "=r" (rv) | |
| 182 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) | |
| 183 : "memory"); | |
| 184 #endif // _LP64 | |
| 185 return rv; | |
| 186 } | |
| 187 | |
| 188 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 189 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
| 190 } | |
| 191 | |
| 192 | |
| 193 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 194 jint rv; | |
| 195 __asm__ volatile( | |
| 196 " cas [%2], %3, %0" | |
| 197 : "=r" (rv) | |
| 198 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 199 : "memory"); | |
| 200 return rv; | |
| 201 } | |
| 202 | |
| 203 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 204 #ifdef _LP64 | |
| 205 jlong rv; | |
| 206 __asm__ volatile( | |
| 207 " casx [%2], %3, %0" | |
| 208 : "=r" (rv) | |
| 209 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 210 : "memory"); | |
| 211 return rv; | |
| 212 #else //_LP64 | |
| 213 assert(VM_Version::v9_instructions_work(), "cas only supported on v9"); | |
| 214 volatile jlong_accessor evl, cvl, rv; | |
| 215 evl.long_value = exchange_value; | |
| 216 cvl.long_value = compare_value; | |
| 217 | |
| 218 __asm__ volatile( | |
| 219 " sllx %2, 32, %2\n\t" | |
| 220 " srl %3, 0, %3\n\t" | |
| 221 " or %2, %3, %2\n\t" | |
| 222 " sllx %5, 32, %5\n\t" | |
| 223 " srl %6, 0, %6\n\t" | |
| 224 " or %5, %6, %5\n\t" | |
| 225 " casx [%4], %5, %2\n\t" | |
| 226 " srl %2, 0, %1\n\t" | |
| 227 " srlx %2, 32, %0\n\t" | |
| 228 : "=r" (rv.words[0]), "=r" (rv.words[1]) | |
| 229 : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1]) | |
| 230 : "memory"); | |
| 231 | |
| 232 return rv.long_value; | |
| 233 #endif //_LP64 | |
| 234 } | |
| 235 | |
| 236 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 237 intptr_t rv; | |
| 238 #ifdef _LP64 | |
| 239 __asm__ volatile( | |
| 240 " casx [%2], %3, %0" | |
| 241 : "=r" (rv) | |
| 242 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 243 : "memory"); | |
| 244 #else //_LP64 | |
| 245 __asm__ volatile( | |
| 246 " cas [%2], %3, %0" | |
| 247 : "=r" (rv) | |
| 248 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 249 : "memory"); | |
| 250 #endif // _LP64 | |
| 251 return rv; | |
| 252 } | |
| 253 | |
| 254 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 255 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); | |
| 256 } | |
| 257 | |
| 258 #else // _GNU_SOURCE | |
| 259 | |
| 260 #if defined(COMPILER2) || defined(_LP64) | |
| 261 | |
| 262 // This is the interface to the atomic instructions in solaris_sparc.il. | |
| 263 // It's very messy because we need to support v8 and these instructions | |
| 264 // are illegal there. When sparc v8 is dropped, we can drop out lots of | |
| 265 // this code. Also compiler2 does not support v8 so the conditional code | |
| 266 // omits the instruction set check. | |
| 267 | |
| 268 extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest); | |
| 269 extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest); | |
| 270 | |
| 271 extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value); | |
| 272 extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value); | |
| 273 extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value); | |
| 274 | |
| 275 extern "C" jint _Atomic_add32(jint inc, volatile jint* dest); | |
| 276 extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest); | |
| 277 | |
| 278 | |
| 279 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 280 return _Atomic_add32(add_value, dest); | |
| 281 } | |
| 282 | |
| 283 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 284 #ifdef _LP64 | |
| 285 return _Atomic_add64(add_value, dest); | |
| 286 #else //_LP64 | |
| 287 return _Atomic_add32(add_value, dest); | |
| 288 #endif // _LP64 | |
| 289 } | |
| 290 | |
| 291 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 292 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); | |
| 293 } | |
| 294 | |
| 295 | |
| 296 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 297 return _Atomic_swap32(exchange_value, dest); | |
| 298 } | |
| 299 | |
| 300 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 301 #ifdef _LP64 | |
| 302 return _Atomic_swap64(exchange_value, dest); | |
| 303 #else // _LP64 | |
| 304 return _Atomic_swap32(exchange_value, dest); | |
| 305 #endif // _LP64 | |
| 306 } | |
| 307 | |
| 308 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 309 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
| 310 } | |
| 311 | |
| 312 | |
| 313 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 314 return _Atomic_cas32(exchange_value, dest, compare_value); | |
| 315 } | |
| 316 | |
| 317 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 318 #ifdef _LP64 | |
| 319 // Return 64 bit value in %o0 | |
| 320 return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value); | |
| 321 #else // _LP64 | |
| 322 assert (VM_Version::v9_instructions_work(), "only supported on v9"); | |
| 323 // Return 64 bit value in %o0,%o1 by hand | |
| 324 return _Atomic_casl(exchange_value, dest, compare_value); | |
| 325 #endif // _LP64 | |
| 326 } | |
| 327 | |
| 328 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 329 #ifdef _LP64 | |
| 330 return _Atomic_cas64(exchange_value, dest, compare_value); | |
| 331 #else // _LP64 | |
| 332 return _Atomic_cas32(exchange_value, dest, compare_value); | |
| 333 #endif // _LP64 | |
| 334 } | |
| 335 | |
| 336 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 337 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); | |
| 338 } | |
| 339 | |
| 340 | |
| 341 #else // _LP64 || COMPILER2 | |
| 342 | |
| 343 | |
| 344 // 32-bit compiler1 only | |
| 345 | |
| 346 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 347 return (*os::atomic_add_func)(add_value, dest); | |
| 348 } | |
| 349 | |
| 350 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 351 return (intptr_t)add((jint)add_value, (volatile jint*)dest); | |
| 352 } | |
| 353 | |
| 354 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 355 return (void*)add((jint)add_value, (volatile jint*)dest); | |
| 356 } | |
| 357 | |
| 358 | |
| 359 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 360 return (*os::atomic_xchg_func)(exchange_value, dest); | |
| 361 } | |
| 362 | |
| 363 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 364 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); | |
| 365 } | |
| 366 | |
| 367 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 368 return (void*)xchg((jint)exchange_value, (volatile jint*)dest); | |
| 369 } | |
| 370 | |
| 371 | |
| 372 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 373 return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value); | |
| 374 } | |
| 375 | |
| 376 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 377 return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value); | |
| 378 } | |
| 379 | |
| 380 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 381 return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
| 382 } | |
| 383 | |
| 384 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 385 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
| 386 } | |
| 387 | |
| 388 #endif // _LP64 || COMPILER2 | |
| 389 | |
| 390 #endif // _GNU_SOURCE | |
| 1972 | 391 |
| 392 #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |