view src/share/vm/memory/universe.inline.hpp @ 20304:a22acf6d7598

8048112: G1 Full GC needs to support the case when the very first region is not available Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett. Reviewed-by: brutisso
author tschatzl
date Mon, 21 Jul 2014 10:00:31 +0200
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.
 *
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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