extern __inline__ int generic_fls(int x);
#define fls(x) \
( __builtin_constant_p(x) ? generic_fls(x) : \
- ({ int __r; asm("clz%?\t%0, %1" : "=r"(__r) : "r"(x)); 32-__r; }) )
+ ({ int __r; asm("clz\t%0, %1" : "=r"(__r) : "r"(x) : "cc"); 32-__r; }) )
#define ffs(x) ({ unsigned long __t = (x); fls(__t & -__t); })
#define __ffs(x) (ffs(x) - 1)
#define ffz(x) __ffs( ~(x) )