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src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp@a61af66fc99e (annotated)

src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp

Sat, 01 Dec 2007 00:00:00 +0000

author
duke
date
Sat, 01 Dec 2007 00:00:00 +0000
changeset 435
a61af66fc99e
child 1106
d0994e5bebce
permissions
-rw-r--r--

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duke@435 1 /*
duke@435 2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 // Implementation of class OrderAccess.
duke@435 26
duke@435 27 // Assume TSO.
duke@435 28
duke@435 29 // In solaris_sparc.il
duke@435 30 extern "C" void _OrderAccess_acquire();
duke@435 31 extern "C" void _OrderAccess_fence();
duke@435 32
duke@435 33 inline void OrderAccess::loadload() { acquire(); }
duke@435 34 inline void OrderAccess::storestore() { release(); }
duke@435 35 inline void OrderAccess::loadstore() { acquire(); }
duke@435 36 inline void OrderAccess::storeload() { fence(); }
duke@435 37
duke@435 38 #ifdef _GNU_SOURCE
duke@435 39
duke@435 40 inline void OrderAccess::acquire() {
duke@435 41 __asm__ volatile ("nop" : : :);
duke@435 42 }
duke@435 43
duke@435 44 inline void OrderAccess::release() {
duke@435 45 jint* dummy = (jint*)&dummy;
duke@435 46 __asm__ volatile("stw %%g0, [%0]" : : "r" (dummy) : "memory");
duke@435 47 }
duke@435 48
duke@435 49 inline void OrderAccess::fence() {
duke@435 50 __asm__ volatile ("membar #StoreLoad" : : :);
duke@435 51 }
duke@435 52
duke@435 53 #else // _GNU_SOURCE
duke@435 54
duke@435 55 inline void OrderAccess::acquire() {
duke@435 56 _OrderAccess_acquire();
duke@435 57 }
duke@435 58
duke@435 59 inline void OrderAccess::release() {
duke@435 60 dummy = 0;
duke@435 61 }
duke@435 62
duke@435 63 #if defined(COMPILER2) || defined(_LP64)
duke@435 64
duke@435 65 inline void OrderAccess::fence() {
duke@435 66 _OrderAccess_fence();
duke@435 67 }
duke@435 68
duke@435 69 #else // defined(COMPILER2) || defined(_LP64)
duke@435 70
duke@435 71 inline void OrderAccess::fence() {
duke@435 72 if (os::is_MP()) {
duke@435 73 (*os::fence_func)();
duke@435 74 }
duke@435 75 }
duke@435 76
duke@435 77 #endif // defined(COMPILER2) || defined(_LP64)
duke@435 78
duke@435 79 #endif // _GNU_SOURCE
duke@435 80
duke@435 81 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
duke@435 82 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
duke@435 83 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
duke@435 84 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; }
duke@435 85 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
duke@435 86 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
duke@435 87 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
duke@435 88 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; }
duke@435 89 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
duke@435 90 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
duke@435 91
duke@435 92 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
duke@435 93 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
duke@435 94 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
duke@435 95
duke@435 96 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
duke@435 97 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
duke@435 98 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
duke@435 99 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; }
duke@435 100 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
duke@435 101 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
duke@435 102 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
duke@435 103 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; }
duke@435 104 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
duke@435 105 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
duke@435 106
duke@435 107 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
duke@435 108 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
duke@435 109
duke@435 110 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
duke@435 111 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
duke@435 112 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
duke@435 113 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
duke@435 114 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
duke@435 115 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
duke@435 116 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
duke@435 117 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
duke@435 118 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
duke@435 119 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
duke@435 120
duke@435 121 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
duke@435 122 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
duke@435 123
duke@435 124 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
duke@435 125 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
duke@435 126 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
duke@435 127 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); }
duke@435 128 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
duke@435 129 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
duke@435 130 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
duke@435 131 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); }
duke@435 132 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
duke@435 133 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
duke@435 134
duke@435 135 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
duke@435 136 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }

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