view src/share/vm/memory/universe.inline.hpp @ 1974:fd1d227ef1b9

6983204: G1: Nightly test nsk/regression/b4958615 failing with +ExplicitGCInvokesConcurrent Summary: Enable reference discovery during concurrent marking by setting the reference processor field of the concurrent marking closure. Keep reference objects on the discovered reference lists alive during incremental evacuation pauses until they are processed at the end of concurrent marking. Reviewed-by: ysr, tonyp
author johnc
date Wed, 01 Dec 2010 17:34:02 -0800
parents f95d63e2154a
children fa6c442c59ee
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/*
 * Copyright (c) 1997, 2010, 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.
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 */

#ifndef SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP
#define SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP

#include "memory/universe.hpp"

// Check whether an element of a typeArrayOop with the given type must be
// aligned 0 mod 8.  The typeArrayOop itself must be aligned at least this
// strongly.

inline bool Universe::element_type_should_be_aligned(BasicType type) {
  return type == T_DOUBLE || type == T_LONG;
}

// Check whether an object field (static/non-static) of the given type must be aligned 0 mod 8.

inline bool Universe::field_type_should_be_aligned(BasicType type) {
  return type == T_DOUBLE || type == T_LONG;
}

#endif // SHARE_VM_MEMORY_UNIVERSE_INLINE_HPP