bytes_linux_zero.hpp

/*
 * Copyright (c) 2003, 2019, 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).
 *
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 * 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 OS_CPU_LINUX_ZERO_BYTES_LINUX_ZERO_HPP
#define OS_CPU_LINUX_ZERO_BYTES_LINUX_ZERO_HPP

// Efficient swapping of data bytes from Java byte
// ordering to native byte ordering and vice versa.

#include <byteswap.h>

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 // OS_CPU_LINUX_ZERO_BYTES_LINUX_ZERO_HPP