src/hotspot/share/runtime/orderAccess.inline.hpp
author pliden
Fri, 16 Feb 2018 12:18:09 +0100
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parent 47634 6a0c42c40cd1
permissions -rw-r--r--
8197994: Move JavaThread::initialize_queues() logic to G1SATBCardTableLoggingModRefBS Reviewed-by: tschatzl, eosterlund
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/*
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 * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2014, 2016 SAP SE. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP
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#define SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP
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#include "runtime/orderAccess.hpp"
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#include "utilities/macros.hpp"
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#include OS_CPU_HEADER_INLINE(orderAccess)
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template<> inline void ScopedFenceGeneral<X_ACQUIRE>::postfix()       { OrderAccess::acquire(); }
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template<> inline void ScopedFenceGeneral<RELEASE_X>::prefix()        { OrderAccess::release(); }
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template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::prefix()  { OrderAccess::release(); }
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template<> inline void ScopedFenceGeneral<RELEASE_X_FENCE>::postfix() { OrderAccess::fence();   }
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template <typename FieldType, ScopedFenceType FenceType>
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inline void OrderAccess::ordered_store(volatile FieldType* p, FieldType v) {
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  ScopedFence<FenceType> f((void*)p);
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  Atomic::store(v, p);
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}
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template <typename FieldType, ScopedFenceType FenceType>
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inline FieldType OrderAccess::ordered_load(const volatile FieldType* p) {
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  ScopedFence<FenceType> f((void*)p);
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  return Atomic::load(p);
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}
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template <typename T>
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inline T OrderAccess::load_acquire(const volatile T* p) {
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  return LoadImpl<T, PlatformOrderedLoad<sizeof(T), X_ACQUIRE> >()(p);
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}
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template <typename T, typename D>
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inline void OrderAccess::release_store(volatile D* p, T v) {
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  StoreImpl<T, D, PlatformOrderedStore<sizeof(D), RELEASE_X> >()(v, p);
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}
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template <typename T, typename D>
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inline void OrderAccess::release_store_fence(volatile D* p, T v) {
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  StoreImpl<T, D, PlatformOrderedStore<sizeof(D), RELEASE_X_FENCE> >()(v, p);
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}
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#endif // SHARE_VM_RUNTIME_ORDERACCESS_INLINE_HPP