linux/arch/ia64/include/uapi/asm/swab.h
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   1#ifndef _ASM_IA64_SWAB_H
   2#define _ASM_IA64_SWAB_H
   3
   4/*
   5 * Modified 1998, 1999
   6 *      David Mosberger-Tang <davidm@hpl.hp.com>, Hewlett-Packard Co.
   7 */
   8
   9#include <linux/types.h>
  10#include <asm/intrinsics.h>
  11#include <linux/compiler.h>
  12
  13static __inline__ __attribute_const__ __u64 __arch_swab64(__u64 x)
  14{
  15        __u64 result;
  16
  17        result = ia64_mux1(x, ia64_mux1_rev);
  18        return result;
  19}
  20#define __arch_swab64 __arch_swab64
  21
  22static __inline__ __attribute_const__ __u32 __arch_swab32(__u32 x)
  23{
  24        return __arch_swab64(x) >> 32;
  25}
  26#define __arch_swab32 __arch_swab32
  27
  28static __inline__ __attribute_const__ __u16 __arch_swab16(__u16 x)
  29{
  30        return __arch_swab64(x) >> 48;
  31}
  32#define __arch_swab16 __arch_swab16
  33
  34#endif /* _ASM_IA64_SWAB_H */
  35