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comparison: src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp
src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp
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| 1 /* | |
| 2 * Copyright (c) 1999, 2013, 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_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP | |
| 26 #define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP | |
| 27 | |
| 28 #include "runtime/atomic.hpp" | |
| 29 #include "runtime/os.hpp" | |
| 30 #include "vm_version_sparc.hpp" | |
| 31 | |
| 32 // Implementation of class atomic | |
| 33 | |
| 34 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } | |
| 35 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } | |
| 36 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } | |
| 37 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } | |
| 38 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } | |
| 39 | |
| 40 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } | |
| 41 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } | |
| 42 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } | |
| 43 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } | |
| 44 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } | |
| 45 | |
| 46 inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); } | |
| 47 inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); } | |
| 48 inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); } | |
| 49 | |
| 50 inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); } | |
| 51 inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); } | |
| 52 inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); } | |
| 53 | |
| 54 | |
| 55 #ifdef _LP64 | |
| 56 | |
| 57 inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; } | |
| 58 inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; } | |
| 59 inline jlong Atomic::load(volatile jlong* src) { return *src; } | |
| 60 | |
| 61 #else | |
| 62 | |
| 63 extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst); | |
| 64 | |
| 65 inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) { | |
| 66 _Atomic_move_long_v9(src, dst); | |
| 67 } | |
| 68 | |
| 69 inline jlong Atomic::load(volatile jlong* src) { | |
| 70 volatile jlong dest; | |
| 71 Atomic_move_long(src, &dest); | |
| 72 return dest; | |
| 73 } | |
| 74 | |
| 75 inline void Atomic::store(jlong store_value, jlong* dest) { | |
| 76 Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest); | |
| 77 } | |
| 78 | |
| 79 inline void Atomic::store(jlong store_value, volatile jlong* dest) { | |
| 80 Atomic_move_long((volatile jlong*)&store_value, dest); | |
| 81 } | |
| 82 | |
| 83 #endif | |
| 84 | |
| 85 #ifdef _GNU_SOURCE | |
| 86 | |
| 87 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 88 intptr_t rv; | |
| 89 __asm__ volatile( | |
| 90 "1: \n\t" | |
| 91 " ld [%2], %%o2\n\t" | |
| 92 " add %1, %%o2, %%o3\n\t" | |
| 93 " cas [%2], %%o2, %%o3\n\t" | |
| 94 " cmp %%o2, %%o3\n\t" | |
| 95 " bne 1b\n\t" | |
| 96 " nop\n\t" | |
| 97 " add %1, %%o2, %0\n\t" | |
| 98 : "=r" (rv) | |
| 99 : "r" (add_value), "r" (dest) | |
| 100 : "memory", "o2", "o3"); | |
| 101 return rv; | |
| 102 } | |
| 103 | |
| 104 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 105 intptr_t rv; | |
| 106 #ifdef _LP64 | |
| 107 __asm__ volatile( | |
| 108 "1: \n\t" | |
| 109 " ldx [%2], %%o2\n\t" | |
| 110 " add %0, %%o2, %%o3\n\t" | |
| 111 " casx [%2], %%o2, %%o3\n\t" | |
| 112 " cmp %%o2, %%o3\n\t" | |
| 113 " bne %%xcc, 1b\n\t" | |
| 114 " nop\n\t" | |
| 115 " add %0, %%o2, %0\n\t" | |
| 116 : "=r" (rv) | |
| 117 : "r" (add_value), "r" (dest) | |
| 118 : "memory", "o2", "o3"); | |
| 119 #else //_LP64 | |
| 120 __asm__ volatile( | |
| 121 "1: \n\t" | |
| 122 " ld [%2], %%o2\n\t" | |
| 123 " add %1, %%o2, %%o3\n\t" | |
| 124 " cas [%2], %%o2, %%o3\n\t" | |
| 125 " cmp %%o2, %%o3\n\t" | |
| 126 " bne 1b\n\t" | |
| 127 " nop\n\t" | |
| 128 " add %1, %%o2, %0\n\t" | |
| 129 : "=r" (rv) | |
| 130 : "r" (add_value), "r" (dest) | |
| 131 : "memory", "o2", "o3"); | |
| 132 #endif // _LP64 | |
| 133 return rv; | |
| 134 } | |
| 135 | |
| 136 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 137 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); | |
| 138 } | |
| 139 | |
| 140 | |
| 141 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 142 intptr_t rv = exchange_value; | |
| 143 __asm__ volatile( | |
| 144 " swap [%2],%1\n\t" | |
| 145 : "=r" (rv) | |
| 146 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) | |
| 147 : "memory"); | |
| 148 return rv; | |
| 149 } | |
| 150 | |
| 151 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 152 intptr_t rv = exchange_value; | |
| 153 #ifdef _LP64 | |
| 154 __asm__ volatile( | |
| 155 "1:\n\t" | |
| 156 " mov %1, %%o3\n\t" | |
| 157 " ldx [%2], %%o2\n\t" | |
| 158 " casx [%2], %%o2, %%o3\n\t" | |
| 159 " cmp %%o2, %%o3\n\t" | |
| 160 " bne %%xcc, 1b\n\t" | |
| 161 " nop\n\t" | |
| 162 " mov %%o2, %0\n\t" | |
| 163 : "=r" (rv) | |
| 164 : "r" (exchange_value), "r" (dest) | |
| 165 : "memory", "o2", "o3"); | |
| 166 #else //_LP64 | |
| 167 __asm__ volatile( | |
| 168 "swap [%2],%1\n\t" | |
| 169 : "=r" (rv) | |
| 170 : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) | |
| 171 : "memory"); | |
| 172 #endif // _LP64 | |
| 173 return rv; | |
| 174 } | |
| 175 | |
| 176 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 177 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
| 178 } | |
| 179 | |
| 180 | |
| 181 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 182 jint rv; | |
| 183 __asm__ volatile( | |
| 184 " cas [%2], %3, %0" | |
| 185 : "=r" (rv) | |
| 186 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 187 : "memory"); | |
| 188 return rv; | |
| 189 } | |
| 190 | |
| 191 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 192 #ifdef _LP64 | |
| 193 jlong rv; | |
| 194 __asm__ volatile( | |
| 195 " casx [%2], %3, %0" | |
| 196 : "=r" (rv) | |
| 197 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 198 : "memory"); | |
| 199 return rv; | |
| 200 #else //_LP64 | |
| 201 volatile jlong_accessor evl, cvl, rv; | |
| 202 evl.long_value = exchange_value; | |
| 203 cvl.long_value = compare_value; | |
| 204 | |
| 205 __asm__ volatile( | |
| 206 " sllx %2, 32, %2\n\t" | |
| 207 " srl %3, 0, %3\n\t" | |
| 208 " or %2, %3, %2\n\t" | |
| 209 " sllx %5, 32, %5\n\t" | |
| 210 " srl %6, 0, %6\n\t" | |
| 211 " or %5, %6, %5\n\t" | |
| 212 " casx [%4], %5, %2\n\t" | |
| 213 " srl %2, 0, %1\n\t" | |
| 214 " srlx %2, 32, %0\n\t" | |
| 215 : "=r" (rv.words[0]), "=r" (rv.words[1]) | |
| 216 : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1]) | |
| 217 : "memory"); | |
| 218 | |
| 219 return rv.long_value; | |
| 220 #endif //_LP64 | |
| 221 } | |
| 222 | |
| 223 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 224 intptr_t rv; | |
| 225 #ifdef _LP64 | |
| 226 __asm__ volatile( | |
| 227 " casx [%2], %3, %0" | |
| 228 : "=r" (rv) | |
| 229 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 230 : "memory"); | |
| 231 #else //_LP64 | |
| 232 __asm__ volatile( | |
| 233 " cas [%2], %3, %0" | |
| 234 : "=r" (rv) | |
| 235 : "0" (exchange_value), "r" (dest), "r" (compare_value) | |
| 236 : "memory"); | |
| 237 #endif // _LP64 | |
| 238 return rv; | |
| 239 } | |
| 240 | |
| 241 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 242 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); | |
| 243 } | |
| 244 | |
| 245 #else // _GNU_SOURCE | |
| 246 | |
| 247 #if defined(COMPILER2) || defined(_LP64) | |
| 248 | |
| 249 // This is the interface to the atomic instructions in solaris_sparc.il. | |
| 250 // It's very messy because we need to support v8 and these instructions | |
| 251 // are illegal there. When sparc v8 is dropped, we can drop out lots of | |
| 252 // this code. Also compiler2 does not support v8 so the conditional code | |
| 253 // omits the instruction set check. | |
| 254 | |
| 255 extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest); | |
| 256 extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest); | |
| 257 | |
| 258 extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value); | |
| 259 extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value); | |
| 260 extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value); | |
| 261 | |
| 262 extern "C" jint _Atomic_add32(jint inc, volatile jint* dest); | |
| 263 extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest); | |
| 264 | |
| 265 | |
| 266 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 267 return _Atomic_add32(add_value, dest); | |
| 268 } | |
| 269 | |
| 270 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 271 #ifdef _LP64 | |
| 272 return _Atomic_add64(add_value, dest); | |
| 273 #else //_LP64 | |
| 274 return _Atomic_add32(add_value, dest); | |
| 275 #endif // _LP64 | |
| 276 } | |
| 277 | |
| 278 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 279 return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); | |
| 280 } | |
| 281 | |
| 282 | |
| 283 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 284 return _Atomic_swap32(exchange_value, dest); | |
| 285 } | |
| 286 | |
| 287 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 288 #ifdef _LP64 | |
| 289 return _Atomic_swap64(exchange_value, dest); | |
| 290 #else // _LP64 | |
| 291 return _Atomic_swap32(exchange_value, dest); | |
| 292 #endif // _LP64 | |
| 293 } | |
| 294 | |
| 295 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 296 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
| 297 } | |
| 298 | |
| 299 | |
| 300 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 301 return _Atomic_cas32(exchange_value, dest, compare_value); | |
| 302 } | |
| 303 | |
| 304 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 305 #ifdef _LP64 | |
| 306 // Return 64 bit value in %o0 | |
| 307 return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value); | |
| 308 #else // _LP64 | |
| 309 // Return 64 bit value in %o0,%o1 by hand | |
| 310 return _Atomic_casl(exchange_value, dest, compare_value); | |
| 311 #endif // _LP64 | |
| 312 } | |
| 313 | |
| 314 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 315 #ifdef _LP64 | |
| 316 return _Atomic_cas64(exchange_value, dest, compare_value); | |
| 317 #else // _LP64 | |
| 318 return _Atomic_cas32(exchange_value, dest, compare_value); | |
| 319 #endif // _LP64 | |
| 320 } | |
| 321 | |
| 322 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 323 return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); | |
| 324 } | |
| 325 | |
| 326 | |
| 327 #else // _LP64 || COMPILER2 | |
| 328 | |
| 329 | |
| 330 // 32-bit compiler1 only | |
| 331 | |
| 332 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 333 return (*os::atomic_add_func)(add_value, dest); | |
| 334 } | |
| 335 | |
| 336 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 337 return (intptr_t)add((jint)add_value, (volatile jint*)dest); | |
| 338 } | |
| 339 | |
| 340 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 341 return (void*)add((jint)add_value, (volatile jint*)dest); | |
| 342 } | |
| 343 | |
| 344 | |
| 345 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 346 return (*os::atomic_xchg_func)(exchange_value, dest); | |
| 347 } | |
| 348 | |
| 349 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 350 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); | |
| 351 } | |
| 352 | |
| 353 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 354 return (void*)xchg((jint)exchange_value, (volatile jint*)dest); | |
| 355 } | |
| 356 | |
| 357 | |
| 358 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 359 return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value); | |
| 360 } | |
| 361 | |
| 362 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 363 return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value); | |
| 364 } | |
| 365 | |
| 366 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 367 return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
| 368 } | |
| 369 | |
| 370 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 371 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
| 372 } | |
| 373 | |
| 374 #endif // _LP64 || COMPILER2 | |
| 375 | |
| 376 #endif // _GNU_SOURCE | |
| 377 | |
| 378 #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |
