diff options
Diffstat (limited to 'src/ext/csiphash.c')
| -rw-r--r-- | src/ext/csiphash.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/ext/csiphash.c b/src/ext/csiphash.c index 4f58c4a141..2a96f28815 100644 --- a/src/ext/csiphash.c +++ b/src/ext/csiphash.c @@ -81,11 +81,16 @@ HALF_ROUND(v0,v1,v2,v3,13,16); \ HALF_ROUND(v2,v1,v0,v3,17,21); +#if 0 +/* This does not seem to save very much runtime in the fast case, and it's + * potentially a big loss in the slow case where we're misaligned and we cross + * a cache line. */ #if (defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__x86_64) || defined(__x86_64__) || \ defined(_M_AMD64) || defined(_M_X64) || defined(__INTEL__)) # define UNALIGNED_OK 1 #endif +#endif uint64_t siphash24(const void *src, unsigned long src_sz, const struct sipkey *key) { uint64_t k0 = key->k0; |