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

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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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17829:0118c8c7b80f 17830:56e7f5560e60
1 /*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2014 Google Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP
27 #define OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP
28
29 #if defined(VM_LITTLE_ENDIAN)
30 #include <byteswap.h>
31
32 // Efficient swapping of data bytes from Java byte
33 // ordering to native byte ordering and vice versa.
34 inline u2 Bytes::swap_u2(u2 x) { return bswap_16(x); }
35 inline u4 Bytes::swap_u4(u4 x) { return bswap_32(x); }
36 inline u8 Bytes::swap_u8(u8 x) { return bswap_64(x); }
37 #endif // VM_LITTLE_ENDIAN
38
39 #endif // OS_CPU_LINUX_PPC_VM_BYTES_LINUX_PPC_INLINE_HPP