/* * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP #define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP #include "runtime/atomic.hpp" #include "runtime/orderAccess.hpp" // Compiler version last used for testing: solaris studio 12u3 // Please update this information when this file changes // Implementation of class OrderAccess. // Assume TSO. // A compiler barrier, forcing the C++ compiler to invalidate all memory assumptions inline void compiler_barrier() { __asm__ volatile ("" : : : "memory"); } inline void OrderAccess::loadload() { compiler_barrier(); } inline void OrderAccess::storestore() { compiler_barrier(); } inline void OrderAccess::loadstore() { compiler_barrier(); } inline void OrderAccess::storeload() { fence(); } inline void OrderAccess::acquire() { compiler_barrier(); } inline void OrderAccess::release() { compiler_barrier(); } inline void OrderAccess::fence() { __asm__ volatile ("membar #StoreLoad" : : : "memory"); } #endif // OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP