1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,378 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
1.29 +#define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
1.30 +
1.31 +#include "runtime/atomic.hpp"
1.32 +#include "runtime/os.hpp"
1.33 +#include "vm_version_sparc.hpp"
1.34 +
1.35 +// Implementation of class atomic
1.36 +
1.37 +inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; }
1.38 +inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; }
1.39 +inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; }
1.40 +inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; }
1.41 +inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; }
1.42 +
1.43 +inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; }
1.44 +inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; }
1.45 +inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; }
1.46 +inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; }
1.47 +inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; }
1.48 +
1.49 +inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); }
1.50 +inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); }
1.51 +inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); }
1.52 +
1.53 +inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); }
1.54 +inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); }
1.55 +inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); }
1.56 +
1.57 +
1.58 +#ifdef _LP64
1.59 +
1.60 +inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; }
1.61 +inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; }
1.62 +inline jlong Atomic::load(volatile jlong* src) { return *src; }
1.63 +
1.64 +#else
1.65 +
1.66 +extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst);
1.67 +
1.68 +inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) {
1.69 + _Atomic_move_long_v9(src, dst);
1.70 +}
1.71 +
1.72 +inline jlong Atomic::load(volatile jlong* src) {
1.73 + volatile jlong dest;
1.74 + Atomic_move_long(src, &dest);
1.75 + return dest;
1.76 +}
1.77 +
1.78 +inline void Atomic::store(jlong store_value, jlong* dest) {
1.79 + Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest);
1.80 +}
1.81 +
1.82 +inline void Atomic::store(jlong store_value, volatile jlong* dest) {
1.83 + Atomic_move_long((volatile jlong*)&store_value, dest);
1.84 +}
1.85 +
1.86 +#endif
1.87 +
1.88 +#ifdef _GNU_SOURCE
1.89 +
1.90 +inline jint Atomic::add (jint add_value, volatile jint* dest) {
1.91 + intptr_t rv;
1.92 + __asm__ volatile(
1.93 + "1: \n\t"
1.94 + " ld [%2], %%o2\n\t"
1.95 + " add %1, %%o2, %%o3\n\t"
1.96 + " cas [%2], %%o2, %%o3\n\t"
1.97 + " cmp %%o2, %%o3\n\t"
1.98 + " bne 1b\n\t"
1.99 + " nop\n\t"
1.100 + " add %1, %%o2, %0\n\t"
1.101 + : "=r" (rv)
1.102 + : "r" (add_value), "r" (dest)
1.103 + : "memory", "o2", "o3");
1.104 + return rv;
1.105 +}
1.106 +
1.107 +inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
1.108 + intptr_t rv;
1.109 +#ifdef _LP64
1.110 + __asm__ volatile(
1.111 + "1: \n\t"
1.112 + " ldx [%2], %%o2\n\t"
1.113 + " add %0, %%o2, %%o3\n\t"
1.114 + " casx [%2], %%o2, %%o3\n\t"
1.115 + " cmp %%o2, %%o3\n\t"
1.116 + " bne %%xcc, 1b\n\t"
1.117 + " nop\n\t"
1.118 + " add %0, %%o2, %0\n\t"
1.119 + : "=r" (rv)
1.120 + : "r" (add_value), "r" (dest)
1.121 + : "memory", "o2", "o3");
1.122 +#else //_LP64
1.123 + __asm__ volatile(
1.124 + "1: \n\t"
1.125 + " ld [%2], %%o2\n\t"
1.126 + " add %1, %%o2, %%o3\n\t"
1.127 + " cas [%2], %%o2, %%o3\n\t"
1.128 + " cmp %%o2, %%o3\n\t"
1.129 + " bne 1b\n\t"
1.130 + " nop\n\t"
1.131 + " add %1, %%o2, %0\n\t"
1.132 + : "=r" (rv)
1.133 + : "r" (add_value), "r" (dest)
1.134 + : "memory", "o2", "o3");
1.135 +#endif // _LP64
1.136 + return rv;
1.137 +}
1.138 +
1.139 +inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
1.140 + return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
1.141 +}
1.142 +
1.143 +
1.144 +inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
1.145 + intptr_t rv = exchange_value;
1.146 + __asm__ volatile(
1.147 + " swap [%2],%1\n\t"
1.148 + : "=r" (rv)
1.149 + : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
1.150 + : "memory");
1.151 + return rv;
1.152 +}
1.153 +
1.154 +inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
1.155 + intptr_t rv = exchange_value;
1.156 +#ifdef _LP64
1.157 + __asm__ volatile(
1.158 + "1:\n\t"
1.159 + " mov %1, %%o3\n\t"
1.160 + " ldx [%2], %%o2\n\t"
1.161 + " casx [%2], %%o2, %%o3\n\t"
1.162 + " cmp %%o2, %%o3\n\t"
1.163 + " bne %%xcc, 1b\n\t"
1.164 + " nop\n\t"
1.165 + " mov %%o2, %0\n\t"
1.166 + : "=r" (rv)
1.167 + : "r" (exchange_value), "r" (dest)
1.168 + : "memory", "o2", "o3");
1.169 +#else //_LP64
1.170 + __asm__ volatile(
1.171 + "swap [%2],%1\n\t"
1.172 + : "=r" (rv)
1.173 + : "0" (exchange_value) /* we use same register as for return value */, "r" (dest)
1.174 + : "memory");
1.175 +#endif // _LP64
1.176 + return rv;
1.177 +}
1.178 +
1.179 +inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
1.180 + return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
1.181 +}
1.182 +
1.183 +
1.184 +inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
1.185 + jint rv;
1.186 + __asm__ volatile(
1.187 + " cas [%2], %3, %0"
1.188 + : "=r" (rv)
1.189 + : "0" (exchange_value), "r" (dest), "r" (compare_value)
1.190 + : "memory");
1.191 + return rv;
1.192 +}
1.193 +
1.194 +inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
1.195 +#ifdef _LP64
1.196 + jlong rv;
1.197 + __asm__ volatile(
1.198 + " casx [%2], %3, %0"
1.199 + : "=r" (rv)
1.200 + : "0" (exchange_value), "r" (dest), "r" (compare_value)
1.201 + : "memory");
1.202 + return rv;
1.203 +#else //_LP64
1.204 + volatile jlong_accessor evl, cvl, rv;
1.205 + evl.long_value = exchange_value;
1.206 + cvl.long_value = compare_value;
1.207 +
1.208 + __asm__ volatile(
1.209 + " sllx %2, 32, %2\n\t"
1.210 + " srl %3, 0, %3\n\t"
1.211 + " or %2, %3, %2\n\t"
1.212 + " sllx %5, 32, %5\n\t"
1.213 + " srl %6, 0, %6\n\t"
1.214 + " or %5, %6, %5\n\t"
1.215 + " casx [%4], %5, %2\n\t"
1.216 + " srl %2, 0, %1\n\t"
1.217 + " srlx %2, 32, %0\n\t"
1.218 + : "=r" (rv.words[0]), "=r" (rv.words[1])
1.219 + : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1])
1.220 + : "memory");
1.221 +
1.222 + return rv.long_value;
1.223 +#endif //_LP64
1.224 +}
1.225 +
1.226 +inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
1.227 + intptr_t rv;
1.228 +#ifdef _LP64
1.229 + __asm__ volatile(
1.230 + " casx [%2], %3, %0"
1.231 + : "=r" (rv)
1.232 + : "0" (exchange_value), "r" (dest), "r" (compare_value)
1.233 + : "memory");
1.234 +#else //_LP64
1.235 + __asm__ volatile(
1.236 + " cas [%2], %3, %0"
1.237 + : "=r" (rv)
1.238 + : "0" (exchange_value), "r" (dest), "r" (compare_value)
1.239 + : "memory");
1.240 +#endif // _LP64
1.241 + return rv;
1.242 +}
1.243 +
1.244 +inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
1.245 + return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
1.246 +}
1.247 +
1.248 +#else // _GNU_SOURCE
1.249 +
1.250 +#if defined(COMPILER2) || defined(_LP64)
1.251 +
1.252 +// This is the interface to the atomic instructions in solaris_sparc.il.
1.253 +// It's very messy because we need to support v8 and these instructions
1.254 +// are illegal there. When sparc v8 is dropped, we can drop out lots of
1.255 +// this code. Also compiler2 does not support v8 so the conditional code
1.256 +// omits the instruction set check.
1.257 +
1.258 +extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest);
1.259 +extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest);
1.260 +
1.261 +extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value);
1.262 +extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value);
1.263 +extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value);
1.264 +
1.265 +extern "C" jint _Atomic_add32(jint inc, volatile jint* dest);
1.266 +extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest);
1.267 +
1.268 +
1.269 +inline jint Atomic::add (jint add_value, volatile jint* dest) {
1.270 + return _Atomic_add32(add_value, dest);
1.271 +}
1.272 +
1.273 +inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
1.274 +#ifdef _LP64
1.275 + return _Atomic_add64(add_value, dest);
1.276 +#else //_LP64
1.277 + return _Atomic_add32(add_value, dest);
1.278 +#endif // _LP64
1.279 +}
1.280 +
1.281 +inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
1.282 + return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest);
1.283 +}
1.284 +
1.285 +
1.286 +inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
1.287 + return _Atomic_swap32(exchange_value, dest);
1.288 +}
1.289 +
1.290 +inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
1.291 +#ifdef _LP64
1.292 + return _Atomic_swap64(exchange_value, dest);
1.293 +#else // _LP64
1.294 + return _Atomic_swap32(exchange_value, dest);
1.295 +#endif // _LP64
1.296 +}
1.297 +
1.298 +inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
1.299 + return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest);
1.300 +}
1.301 +
1.302 +
1.303 +inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
1.304 + return _Atomic_cas32(exchange_value, dest, compare_value);
1.305 +}
1.306 +
1.307 +inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
1.308 +#ifdef _LP64
1.309 + // Return 64 bit value in %o0
1.310 + return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value);
1.311 +#else // _LP64
1.312 + // Return 64 bit value in %o0,%o1 by hand
1.313 + return _Atomic_casl(exchange_value, dest, compare_value);
1.314 +#endif // _LP64
1.315 +}
1.316 +
1.317 +inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
1.318 +#ifdef _LP64
1.319 + return _Atomic_cas64(exchange_value, dest, compare_value);
1.320 +#else // _LP64
1.321 + return _Atomic_cas32(exchange_value, dest, compare_value);
1.322 +#endif // _LP64
1.323 +}
1.324 +
1.325 +inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
1.326 + return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value);
1.327 +}
1.328 +
1.329 +
1.330 +#else // _LP64 || COMPILER2
1.331 +
1.332 +
1.333 +// 32-bit compiler1 only
1.334 +
1.335 +inline jint Atomic::add (jint add_value, volatile jint* dest) {
1.336 + return (*os::atomic_add_func)(add_value, dest);
1.337 +}
1.338 +
1.339 +inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
1.340 + return (intptr_t)add((jint)add_value, (volatile jint*)dest);
1.341 +}
1.342 +
1.343 +inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
1.344 + return (void*)add((jint)add_value, (volatile jint*)dest);
1.345 +}
1.346 +
1.347 +
1.348 +inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
1.349 + return (*os::atomic_xchg_func)(exchange_value, dest);
1.350 +}
1.351 +
1.352 +inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
1.353 + return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest);
1.354 +}
1.355 +
1.356 +inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
1.357 + return (void*)xchg((jint)exchange_value, (volatile jint*)dest);
1.358 +}
1.359 +
1.360 +
1.361 +inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) {
1.362 + return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value);
1.363 +}
1.364 +
1.365 +inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) {
1.366 + return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value);
1.367 +}
1.368 +
1.369 +inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) {
1.370 + return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value);
1.371 +}
1.372 +
1.373 +inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) {
1.374 + return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value);
1.375 +}
1.376 +
1.377 +#endif // _LP64 || COMPILER2
1.378 +
1.379 +#endif // _GNU_SOURCE
1.380 +
1.381 +#endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP
