--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/z/zAddress.inline.hpp	Tue Jun 12 17:40:28 2018 +0200
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2015, 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 SHARE_GC_Z_ZADDRESS_INLINE_HPP
+#define SHARE_GC_Z_ZADDRESS_INLINE_HPP
+
+#include "gc/z/zAddress.hpp"
+#include "gc/z/zGlobals.hpp"
+#include "utilities/macros.hpp"
+#include OS_CPU_HEADER_INLINE(gc/z/zAddress)
+
+inline bool ZAddress::is_null(uintptr_t value) {
+  return value == 0;
+}
+
+inline bool ZAddress::is_bad(uintptr_t value) {
+  return value & ZAddressBadMask;
+}
+
+inline bool ZAddress::is_good(uintptr_t value) {
+  return !is_bad(value) && !is_null(value);
+}
+
+inline bool ZAddress::is_good_or_null(uintptr_t value) {
+  // Checking if an address is "not bad" is an optimized version of
+  // checking if it's "good or null", which eliminates an explicit
+  // null check. However, the implicit null check only checks that
+  // the mask bits are zero, not that the entire address is zero.
+  // This means that an address without mask bits would pass through
+  // the barrier as if it was null. This should be harmless as such
+  // addresses should ever be passed through the barrier.
+  const bool result = !is_bad(value);
+  assert((is_good(value) || is_null(value)) == result, "Bad address");
+  return result;
+}
+
+inline bool ZAddress::is_weak_bad(uintptr_t value) {
+  return value & ZAddressWeakBadMask;
+}
+
+inline bool ZAddress::is_weak_good(uintptr_t value) {
+  return !is_weak_bad(value) && !is_null(value);
+}
+
+inline bool ZAddress::is_weak_good_or_null(uintptr_t value) {
+  return !is_weak_bad(value);
+}
+
+inline bool ZAddress::is_marked(uintptr_t value) {
+  return value & ZAddressMetadataMarked;
+}
+
+inline bool ZAddress::is_finalizable(uintptr_t value) {
+  return value & ZAddressMetadataFinalizable;
+}
+
+inline bool ZAddress::is_remapped(uintptr_t value) {
+  return value & ZAddressMetadataRemapped;
+}
+
+inline uintptr_t ZAddress::offset(uintptr_t value) {
+  return value & ZAddressOffsetMask;
+}
+
+inline uintptr_t ZAddress::good(uintptr_t value) {
+  return address(offset(value) | ZAddressGoodMask);
+}
+
+inline uintptr_t ZAddress::good_or_null(uintptr_t value) {
+  return is_null(value) ? 0 : good(value);
+}
+
+inline uintptr_t ZAddress::finalizable_good(uintptr_t value) {
+  return address(offset(value) | ZAddressMetadataFinalizable | ZAddressGoodMask);
+}
+
+inline uintptr_t ZAddress::marked(uintptr_t value) {
+  return address(offset(value) | ZAddressMetadataMarked);
+}
+
+inline uintptr_t ZAddress::marked0(uintptr_t value) {
+  return address(offset(value) | ZAddressMetadataMarked0);
+}
+
+inline uintptr_t ZAddress::marked1(uintptr_t value) {
+  return address(offset(value) | ZAddressMetadataMarked1);
+}
+
+inline uintptr_t ZAddress::remapped(uintptr_t value) {
+  return address(offset(value) | ZAddressMetadataRemapped);
+}
+
+inline uintptr_t ZAddress::remapped_or_null(uintptr_t value) {
+  return is_null(value) ? 0 : remapped(value);
+}
+
+#endif // SHARE_GC_Z_ZADDRESS_INLINE_HPP