#ifndef _UTIL_PARITY_H_ | |||||
#define _UTIL_PARITY_H_ | |||||
static inline uint8_t parity_even_bit(uint8_t x) __attribute__((pure, always_inline, unused)); | |||||
static inline uint8_t parity_even_bit(uint8_t x) | |||||
{ | |||||
x ^= x >> 1; | |||||
x ^= x >> 2; | |||||
x ^= x >> 4; | |||||
return x & 1; | |||||
} | |||||
#endif |