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C/C++ Source or Header  |  2006-08-11  |  245 b   |  15 lines

  1. #ifndef _ASM_GENERIC_BITOPS_FLS64_H_
  2. #define _ASM_GENERIC_BITOPS_FLS64_H_
  3.  
  4. #include <asm/types.h>
  5.  
  6. static inline int fls64(__u64 x)
  7. {
  8.     __u32 h = x >> 32;
  9.     if (h)
  10.         return fls(h) + 32;
  11.     return fls(x);
  12. }
  13.  
  14. #endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */
  15.