diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-25 12:41:52 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-12-25 12:41:52 +0000 |
| commit | 70b1dc113dc4f0f1067c20c87ad90f63a42c0e13 (patch) | |
| tree | 7cceb1c55e40d852998b76d842c33167c92b4ae6 /hash.c | |
| parent | 2a80d579fa35c76ce4128c23b3022ef2db19ffcc (diff) | |
| download | ruby-70b1dc113dc4f0f1067c20c87ad90f63a42c0e13.tar.gz | |
hash.c: prime2
* hash.c (prime2): turned into a uint32_t prime, as the lower
32bits, non-prime part only was used always.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61473 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
| -rw-r--r-- | hash.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -224,7 +224,7 @@ rb_any_hash(VALUE a) /* Here we two primes with random bit generation. */ static const uint64_t prime1 = ((uint64_t)0x2e0bb864 << 32) | 0xe9ea7df5; -static const uint64_t prime2 = ((uint64_t)0xcdb32970 << 32) | 0x830fcaa1; +static const uint32_t prime2 = 0x830fcab9; static inline uint64_t @@ -253,7 +253,7 @@ key64_hash(uint64_t key, uint32_t seed) long rb_objid_hash(st_index_t index) { - return (long)key64_hash(rb_hash_start(index), (uint32_t)prime2); + return (long)key64_hash(rb_hash_start(index), prime2); } static st_index_t @@ -290,7 +290,7 @@ rb_ident_hash(st_data_t n) } #endif - return (st_index_t)key64_hash(rb_hash_start((st_index_t)n), (uint32_t)prime2); + return (st_index_t)key64_hash(rb_hash_start((st_index_t)n), prime2); } static const struct st_hash_type identhash = { |