diff options
Diffstat (limited to 'src/support/hash.h')
| -rw-r--r-- | src/support/hash.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/support/hash.h b/src/support/hash.h index 158f20773..98d7ceead 100644 --- a/src/support/hash.h +++ b/src/support/hash.h @@ -22,9 +22,11 @@ namespace wasm { -inline uint32_t rehash(uint32_t x, uint32_t y) { +typedef uint32_t HashType; + +inline HashType rehash(HashType x, HashType y) { // see http://www.cse.yorku.ca/~oz/hash.html and https://stackoverflow.com/a/2595226/1176841 - uint32_t hash = 5381; + HashType hash = 5381; while (x) { hash = ((hash << 5) + hash) ^ (x & 0xff); x >>= 8; @@ -37,9 +39,9 @@ inline uint32_t rehash(uint32_t x, uint32_t y) { } inline uint64_t rehash(uint64_t x, uint64_t y) { - auto ret = rehash(uint32_t(x), uint32_t(x >> 32)); - ret = rehash(ret, uint32_t(y)); - return rehash(ret, uint32_t(y >> 32)); + auto ret = rehash(HashType(x), HashType(x >> 32)); + ret = rehash(ret, HashType(y)); + return rehash(ret, HashType(y >> 32)); } } // namespace wasm |