--- old/src/hotspot/os_cpu/solaris_sparc/orderAccess_solaris_sparc.inline.hpp 2018-06-04 20:53:44.123273691 -0400 +++ /dev/null 2018-04-28 00:24:55.164000301 -0400 @@ -1,55 +0,0 @@ -/* - * 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 --- /dev/null 2018-04-28 00:24:55.164000301 -0400 +++ new/src/hotspot/os_cpu/solaris_sparc/orderAccess_solaris_sparc.hpp 2018-06-04 20:53:43.518217602 -0400 @@ -0,0 +1,55 @@ +/* + * 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_HPP +#define OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_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_HPP