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| author | Tyge Løvset <[email protected]> | 2022-05-09 14:22:23 +0200 |
|---|---|---|
| committer | Tyge Løvset <[email protected]> | 2022-05-09 14:22:23 +0200 |
| commit | a34354bd24d81949567a1480209a2f7bbbe3bfbe (patch) | |
| tree | 72adf4c0c844913dd0bb975cbfbc805a0549a15b /include | |
| parent | e9c30e66af9c5c3054735eeb65c0bb384dea96b4 (diff) | |
| download | STC-modified-a34354bd24d81949567a1480209a2f7bbbe3bfbe.tar.gz STC-modified-a34354bd24d81949567a1480209a2f7bbbe3bfbe.zip | |
Small improvement in c_default_hash()
Diffstat (limited to 'include')
| -rw-r--r-- | include/stc/ccommon.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/stc/ccommon.h b/include/stc/ccommon.h index b0342928..68e45f43 100644 --- a/include/stc/ccommon.h +++ b/include/stc/ccommon.h @@ -123,7 +123,7 @@ STC_INLINE uint64_t c_fasthash(const void* key, size_t len) { uint32_t u4;
const uint8_t *x = (const uint8_t*) key;
while (n--)
- memcpy(&u8, x, 8), x += 8, h += (h << 10) ^ (u8*0xc6a4a7935bd1e99d);
+ memcpy(&u8, x, 8), x += 8, h += (_c_ROTL(u8, 26) ^ u8)*0xc6a4a7935bd1e99d;
switch (len &= 7) {
case 0: return h;
case 4: memcpy(&u4, x, 4); return h + u4*0xc6a4a7935bd1e99d;
|