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Unify hash logic for PtrSet

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This commit is contained in:
gingerBill
2021-11-05 17:58:11 +00:00
parent 899cc71990
commit eb0faf9602
1 changed files with 4 additions and 6 deletions
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10
src/ptr_set.cpp
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@@ -53,9 +53,8 @@ template <typename T>
gb_internal MapFindResult ptr_set__find(PtrSet<T> *s, T ptr) {
MapFindResult fr = {MAP_SENTINEL, MAP_SENTINEL, MAP_SENTINEL};
if (s->hashes.count != 0) {
u64 hash = 0xcbf29ce484222325ull ^ cast(u64)cast(uintptr)ptr;
u64 n = cast(u64)s->hashes.count;
fr.hash_index = cast(MapIndex)(hash & (n-1));
u32 hash = ptr_map_hash_key(ptr);
fr.hash_index = cast(MapIndex)(hash & (s->hashes.count-1));
fr.entry_index = s->hashes.data[fr.hash_index];
while (fr.entry_index != MAP_SENTINEL) {
if (s->entries.data[fr.entry_index].ptr == ptr) {
@@ -72,9 +71,8 @@ template <typename T>
gb_internal MapFindResult ptr_set__find_from_entry(PtrSet<T> *s, PtrSetEntry<T> *e) {
MapFindResult fr = {MAP_SENTINEL, MAP_SENTINEL, MAP_SENTINEL};
if (s->hashes.count != 0) {
u64 hash = 0xcbf29ce484222325ull ^ cast(u64)cast(uintptr)e->ptr;
u64 n = cast(u64)s->hashes.count;
fr.hash_index = cast(MapIndex)(hash & (n-1));
u32 hash = ptr_map_hash_key(e->ptr);
fr.hash_index = cast(MapIndex)(hash & (s->hashes.count-1));
fr.entry_index = s->hashes.data[fr.hash_index];
while (fr.entry_index != MAP_SENTINEL) {
if (&s->entries.data[fr.entry_index] == e) {