1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,136 @@
1.4 +/*
1.5 + * Copyright 2003-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// Implementation of class OrderAccess.
1.29 +
1.30 +// Assume TSO.
1.31 +
1.32 +// In solaris_sparc.il
1.33 +extern "C" void _OrderAccess_acquire();
1.34 +extern "C" void _OrderAccess_fence();
1.35 +
1.36 +inline void OrderAccess::loadload() { acquire(); }
1.37 +inline void OrderAccess::storestore() { release(); }
1.38 +inline void OrderAccess::loadstore() { acquire(); }
1.39 +inline void OrderAccess::storeload() { fence(); }
1.40 +
1.41 +#ifdef _GNU_SOURCE
1.42 +
1.43 +inline void OrderAccess::acquire() {
1.44 + __asm__ volatile ("nop" : : :);
1.45 +}
1.46 +
1.47 +inline void OrderAccess::release() {
1.48 + jint* dummy = (jint*)&dummy;
1.49 + __asm__ volatile("stw %%g0, [%0]" : : "r" (dummy) : "memory");
1.50 +}
1.51 +
1.52 +inline void OrderAccess::fence() {
1.53 + __asm__ volatile ("membar #StoreLoad" : : :);
1.54 +}
1.55 +
1.56 +#else // _GNU_SOURCE
1.57 +
1.58 +inline void OrderAccess::acquire() {
1.59 + _OrderAccess_acquire();
1.60 +}
1.61 +
1.62 +inline void OrderAccess::release() {
1.63 + dummy = 0;
1.64 +}
1.65 +
1.66 +#if defined(COMPILER2) || defined(_LP64)
1.67 +
1.68 +inline void OrderAccess::fence() {
1.69 + _OrderAccess_fence();
1.70 +}
1.71 +
1.72 +#else // defined(COMPILER2) || defined(_LP64)
1.73 +
1.74 +inline void OrderAccess::fence() {
1.75 + if (os::is_MP()) {
1.76 + (*os::fence_func)();
1.77 + }
1.78 +}
1.79 +
1.80 +#endif // defined(COMPILER2) || defined(_LP64)
1.81 +
1.82 +#endif // _GNU_SOURCE
1.83 +
1.84 +inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
1.85 +inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
1.86 +inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
1.87 +inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; }
1.88 +inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
1.89 +inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
1.90 +inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
1.91 +inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; }
1.92 +inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
1.93 +inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
1.94 +
1.95 +inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
1.96 +inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
1.97 +inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
1.98 +
1.99 +inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
1.100 +inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
1.101 +inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
1.102 +inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; }
1.103 +inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
1.104 +inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
1.105 +inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
1.106 +inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; }
1.107 +inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
1.108 +inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
1.109 +
1.110 +inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
1.111 +inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
1.112 +
1.113 +inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
1.114 +inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
1.115 +inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
1.116 +inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
1.117 +inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
1.118 +inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
1.119 +inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
1.120 +inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
1.121 +inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
1.122 +inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
1.123 +
1.124 +inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
1.125 +inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
1.126 +
1.127 +inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
1.128 +inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
1.129 +inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
1.130 +inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
1.131 +inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
1.132 +inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
1.133 +inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
1.134 +inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
1.135 +inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
1.136 +inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
1.137 +
1.138 +inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
1.139 +inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
