/*

 * Copyright (c) 1998, 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 OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP

#define OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP

// For Sun Studio - implementation is in solaris_i486.il.

// For gcc - implementation is just below.

extern "C" u2 _raw_swap_u2(u2 x);

extern "C" u4 _raw_swap_u4(u4 x);

#ifdef AMD64

extern "C" u8 _raw_swap_u8(u8 x);

#else

extern "C" u8 _raw_swap_u8(u4 x, u4 y);

#endif // AMD64

// Efficient swapping of data bytes from Java byte

// ordering to native byte ordering and vice versa.

inline u2   Bytes::swap_u2(u2 x) {

  return _raw_swap_u2(x);

}

inline u4   Bytes::swap_u4(u4 x) {

  return _raw_swap_u4(x);

}

inline u8   Bytes::swap_u8(u8 x) {

#ifdef AMD64

  return _raw_swap_u8(x);

#else

  return swap_u8_base(*(u4*)&x, *(((u4*)&x)+1));

#endif // AMD64

}

#ifndef AMD64

// Helper function for swap_u8

inline u8   Bytes::swap_u8_base(u4 x, u4 y) {

  return _raw_swap_u8(x, y);

}

#endif // !AMD64

#endif // OS_CPU_SOLARIS_X86_VM_BYTES_SOLARIS_X86_INLINE_HPP