1 /*
   2  * Copyright (c) 2020, Microsoft Corporation. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef OS_CPU_WINDOWS_AARCH64_BYTES_WINDOWS_AARCH64_INLINE_HPP
  26 #define OS_CPU_WINDOWS_AARCH64_BYTES_WINDOWS_AARCH64_INLINE_HPP
  27 
  28 #include <stdlib.h>
  29 
  30 // Efficient swapping of data bytes from Java byte
  31 // ordering to native byte ordering and vice versa.
  32 inline u2   Bytes::swap_u2(u2 x) {
  33   return _byteswap_ushort(x);
  34 }
  35 
  36 inline u4   Bytes::swap_u4(u4 x) {
  37   return _byteswap_ulong(x);
  38 }
  39 
  40 inline u8 Bytes::swap_u8(u8 x) {
  41   return _byteswap_uint64(x);
  42 }
  43 
  44 #pragma warning(default: 4035) // Enable warning 4035: no return value
  45 
  46 #endif // OS_CPU_WINDOWS_AARCH64_BYTES_WINDOWS_AARCH64_INLINE_HPP