release/src-rt-6.x.4708/linux/linux-2.6.36/include/asm-generic/swab.h

   1 #ifndef _ASM_GENERIC_SWAB_H
   2 #define _ASM_GENERIC_SWAB_H
   3
   4 #include <asm/bitsperlong.h>
   5
   6 /*
   7  * 32 bit architectures typically (but not always) want to
   8  * set __SWAB_64_THRU_32__. In user space, this is only
   9  * valid if the compiler supports 64 bit data types.
  10  */
  11
  12 #if __BITS_PER_LONG == 32
  13 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
  14 #define __SWAB_64_THRU_32__
  15 #endif
  16 #endif
  17
  18 #endif /* _ASM_GENERIC_SWAB_H */