234 static inline unsigned long __ffs(unsigned long word)  in __ffs()  argument
240 	    : "=r"(result), "=&r"(word)  in __ffs()
241 	    : "1"(word));  in __ffs()
246 static inline unsigned long ffz(unsigned long word)  in ffz()  argument
248 	return __ffs(~word);  in ffz()
252 static inline int fls(unsigned long word)  in fls()  argument
256 	asm("clz %0,%1" : "=r"(result) : "r"(word));  in fls()
260 static inline int __fls(unsigned long word)  in __fls()  argument
262 	return fls(word) - 1;  in __fls()
291 static inline int ffs(unsigned long word)  in ffs()  argument
293 	if(word == 0)  in ffs()
295 	return __ffs(word) + 1;  in ffs()