directly; include instead." #endif #ifdef __GNUC__ # if __GNUC__ >= 2 # define __bswap_16(x) \ (__extension__ \ ({ unsigned short int __v, __x = (unsigned short int) (x); \ if (__builtin_constant_p (__x)) \ __v = __bswap_constant_16 (__x); \ else \ __asm__ ("rorw $8, %w0" \ : "=r" (__v) \ : "0" (__x) \ : "cc"); \ __v; })) # else /* This is better than nothing. */ # define __bswap_16(x) \ (__extension__ \ ({ unsigned short int __x = (unsigned short int) (x); \ __bswap_constant_16 (__x); })) # endif #else static __inline unsigned short int __bswap_16 (unsigned short int __bsx) { return __bswap_constant_16 (__bsx); } #endif