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C/C++ Source or Header  |  2009-10-16  |  439b  |  19 lines
  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 */
  19.