diff options
| -rw-r--r-- | src/crypto/curve25519-hacl64.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/src/crypto/curve25519-hacl64.h b/src/crypto/curve25519-hacl64.h index 4fd95cb..5631cde 100644 --- a/src/crypto/curve25519-hacl64.h +++ b/src/crypto/curve25519-hacl64.h @@ -10,14 +10,9 @@ typedef __uint128_t u128; static __always_inline u64 u64_eq_mask(u64 x, u64 y) { - x = ~(x ^ y); - x &= x << 32; - x &= x << 16; - x &= x << 8; - x &= x << 4; - x &= x << 2; - x &= x << 1; - return ((s64)x) >> 63; + x ^= y; + x |= -x; + return (x >> 63) - 1; } static __always_inline u64 u64_gte_mask(u64 x, u64 y) |