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| author | Björn-Egil Dahlberg <[email protected]> | 2014-11-25 16:58:37 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-03-12 17:16:06 +0100 |
| commit | 6c94fede355561f0b4241005e5ffecdba210825d (patch) | |
| tree | 71f660f197e60146dd148f9897a60ee72caa5dbf | |
| parent | f56956cfac208939bbfa2164c38cfe0c8907aa1b (diff) | |
| download | otp-6c94fede355561f0b4241005e5ffecdba210825d.tar.gz otp-6c94fede355561f0b4241005e5ffecdba210825d.tar.bz2 otp-6c94fede355561f0b4241005e5ffecdba210825d.zip | |
Don't use modulus for power of 2
| -rw-r--r-- | erts/emulator/beam/erl_hashmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_hashmap.c b/erts/emulator/beam/erl_hashmap.c index b36f0c6150..11d2309fe3 100644 --- a/erts/emulator/beam/erl_hashmap.c +++ b/erts/emulator/beam/erl_hashmap.c @@ -49,9 +49,9 @@ #endif #define hashmap_restore_hash(Heap,Lvl,Key) \ - ((Lvl) < 8) ? make_hash2(Key) >> (4*(Lvl)) : make_hash2(CONS(Heap, make_small(Lvl), (Key))) >> (4*((Lvl) % 8)) + ((Lvl) < 8) ? make_hash2(Key) >> (4*(Lvl)) : make_hash2(CONS(Heap, make_small(Lvl), (Key))) >> (4*((Lvl) & 7)) #define hashmap_shift_hash(Heap,Hx,Lvl,Key) \ - ((++(Lvl)) % 8) ? (Hx) >> 4 : make_hash2(CONS(Heap, make_small(Lvl), Key)) + ((++(Lvl)) & 7) ? (Hx) >> 4 : make_hash2(CONS(Heap, make_small(Lvl), Key)) #if 0 static char *format_binary(Uint64 x, char *b) { |