diff options
Diffstat (limited to 'sys/dev/random/uint128.h')
| -rw-r--r-- | sys/dev/random/uint128.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/dev/random/uint128.h b/sys/dev/random/uint128.h index 63de28a3864a..71056a63a93b 100644 --- a/sys/dev/random/uint128.h +++ b/sys/dev/random/uint128.h @@ -65,6 +65,21 @@ uint128_increment(uint128_t *big_uintp) #endif } +static __inline void +uint128_add64(uint128_t *big_uintp, uint64_t add) +{ +#ifdef USE_REAL_UINT128_T + (*big_uintp) += add; +#else + uint64_t word0p; + + word0p = big_uintp->u128t_word0 + add; + if (word0p < big_uintp->u128t_word0) + big_uintp->u128t_word1++; + big_uintp->u128t_word0 = word0p; +#endif +} + static __inline bool uint128_equals(uint128_t a, uint128_t b) { |