Adam Martinson <amartin...@codeweavers.com> writes: > @@ -239,6 +243,19 @@ extern int getopt_long_only (int ___argc, char *const > *___argv, > int ffs( int x ); > #endif > > +#if defined(__GNUC__) && (GCC_VERSION >= 30406) > + #define ctz(x) __builtin_ctz(x) > +#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) > + static inline int ctz( unsigned int x ) > + { > + int ret; > + __asm__("bsfl %1, %0" : "=r" (ret) : "r" (x)); > + return ret; > + } > +#else > + #define ctz(x) (ffs(x)-1) > +#endif
There's no reason to add this. Just use ffs(). -- Alexandre Julliard julli...@winehq.org