src/hotspot/cpu/zero/vm_version_zero.cpp
author stefank
Thu, 09 May 2019 14:28:30 +0200
changeset 54786 ebf733a324d4
parent 47216 71c04702a3d5
child 59122 5d73255c2d52
permissions -rw-r--r--
8223624: Cleanup includes of universe.hpp Reviewed-by: coleenp, lkorinth
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/*
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 * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
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 * Copyright 2009 Red Hat, Inc.
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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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#include "precompiled.hpp"
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#include "assembler_zero.inline.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/java.hpp"
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#include "runtime/stubCodeGenerator.hpp"
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#include "vm_version_zero.hpp"
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void VM_Version::initialize() {
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  // This machine does not allow unaligned memory accesses
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  if (! FLAG_IS_DEFAULT(UseUnalignedAccesses)) {
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    warning("Unaligned memory access is not available on this CPU");
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    FLAG_SET_DEFAULT(UseUnalignedAccesses, false);
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  }
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  // Disable prefetching for Zero
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  if (! FLAG_IS_DEFAULT(AllocatePrefetchDistance)) {
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    warning("Prefetching is not available for a Zero VM");
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  }
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  FLAG_SET_DEFAULT(AllocatePrefetchDistance, 0);
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}