arch/tile/include/uapi/asm/swab.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   4  *
   5  *   This program is free software; you can redistribute it and/or
   6  *   modify it under the terms of the GNU General Public License
   7  *   as published by the Free Software Foundation, version 2.
   8  *
   9  *   This program is distributed in the hope that it will be useful, but
  10  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  12  *   NON INFRINGEMENT.  See the GNU General Public License for
  13  *   more details.
  14  */
  15
  16 #ifndef _ASM_TILE_SWAB_H
  17 #define _ASM_TILE_SWAB_H
  18
  19 /* Tile gcc is always >= 4.3.0, so we use __builtin_bswap. */
  20 #define __arch_swab32(x) __builtin_bswap32(x)
  21 #define __arch_swab64(x) __builtin_bswap64(x)
  22 #define __arch_swab16(x) (__builtin_bswap32(x) >> 16)
  23
  24 #endif /* _ASM_TILE_SWAB_H */