diff src/os_cpu/linux_ppc/vm/bytes_linux_ppc.inline.hpp @ 17830:56e7f5560e60

8036767: PPC64: Support for little endian execution model Reviewed-by: goetz, kvn, dholmes, simonis Contributed-by: asmundak@google.com
author kvn
date Wed, 02 Apr 2014 11:24:44 -0700
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+++ b/src/os_cpu/linux_ppc/vm/bytes_linux_ppc.inline.hpp	Wed Apr 02 11:24:44 2014 -0700
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+/*
+ * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2014 Google Inc.  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 OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP
+#define OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP
+
+#if defined(VM_LITTLE_ENDIAN)
+#include <byteswap.h>
+
+// Efficient swapping of data bytes from Java byte
+// ordering to native byte ordering and vice versa.
+inline u2 Bytes::swap_u2(u2 x) { return bswap_16(x); }
+inline u4 Bytes::swap_u4(u4 x) { return bswap_32(x); }
+inline u8 Bytes::swap_u8(u8 x) { return bswap_64(x); }
+#endif // VM_LITTLE_ENDIAN
+
+#endif // OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP