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ip2net: fix suboptimal ip6_and

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Ignat Loskutov 2024-08-01 00:47:40 +02:00
parent addce6782f
commit 20f26f45e5
1 changed files with 1 additions and 6 deletions
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7
ip2net/ip2net.c
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@ -178,15 +178,10 @@ static void ip6_and(const struct in6_addr *a, const struct in6_addr *b, struct i
#if defined(__GNUC__) && !defined(__llvm__)
__attribute__((optimize ("no-strict-aliasing")))
#endif
static void ip6_and(const struct in6_addr *a, const struct in6_addr *b, struct in6_addr *result)
static void ip6_and(const struct in6_addr *restrict a, const struct in6_addr *restrict b, struct in6_addr *restrict result)
{
#ifdef __SIZEOF_INT128__
// gcc and clang have 128 bit int types on some 64-bit archs. take some advantage
*((unsigned __int128*)result->s6_addr) = *((unsigned __int128*)a->s6_addr) & *((unsigned __int128*)b->s6_addr);
#else
((uint64_t*)result->s6_addr)[0] = ((uint64_t*)a->s6_addr)[0] & ((uint64_t*)b->s6_addr)[0];
((uint64_t*)result->s6_addr)[1] = ((uint64_t*)a->s6_addr)[1] & ((uint64_t*)b->s6_addr)[1];
#endif
}
static void rtrim(char *s)