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bpo-40602: Add _Py_HashPointerRaw() function (GH-20056)

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Add a new _Py_HashPointerRaw() function which avoids replacing -1
with -2 to micro-optimize hash table using pointer keys: using
_Py_hashtable_hash_ptr() hash function.
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Victor Stinner 2020-05-12 18:46:20 +02:00 • committed by GitHub
parent 4c9ea093cd
commit f453221c8b
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3 changed files with 13 additions and 5 deletions
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Python/hashtable.c
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@ -109,7 +109,7 @@ _Py_hashtable_hash_ptr(struct _Py_hashtable_t *ht, const void *pkey)
{
void *key;
_Py_HASHTABLE_READ_KEY(ht, pkey, key);
return (Py_uhash_t)_Py_HashPointer(key);
return (Py_uhash_t)_Py_HashPointerRaw(key);
}