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gh-134043: use stackrefs for dict lookup in _PyObject_GetMethodStackRef (#136412)

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Co-authored-by: Sam Gross <colesbury@gmail.com>
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Kumar Aditya 2025-07-28 22:04:57 +05:30 • committed by GitHub
parent 1e9b8f2f85
commit cbe6ebe15b
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4 changed files with 90 additions and 31 deletions
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2
Include/internal/pycore_dict.h
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@ -113,6 +113,8 @@ extern Py_ssize_t _Py_dict_lookup(PyDictObject *mp, PyObject *key, Py_hash_t has
extern Py_ssize_t _Py_dict_lookup_threadsafe(PyDictObject *mp, PyObject *key, Py_hash_t hash, PyObject **value_addr);
extern Py_ssize_t _Py_dict_lookup_threadsafe_stackref(PyDictObject *mp, PyObject *key, Py_hash_t hash, _PyStackRef *value_addr);
extern int _PyDict_GetMethodStackRef(PyDictObject *dict, PyObject *name, _PyStackRef *method);
extern Py_ssize_t _PyDict_LookupIndex(PyDictObject *, PyObject *);
extern Py_ssize_t _PyDictKeys_StringLookup(PyDictKeysObject* dictkeys, PyObject *key);

7
Include/internal/pycore_stackref.h
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@ -839,6 +839,13 @@ _Py_TryXGetStackRef(PyObject **src, _PyStackRef *out)
#endif
#define PyStackRef_XSETREF(dst, src) \
do { \
_PyStackRef _tmp_dst_ref = (dst); \
(dst) = (src); \
PyStackRef_XCLOSE(_tmp_dst_ref); \
} while(0)
// Like Py_VISIT but for _PyStackRef fields
#define _Py_VISIT_STACKREF(ref) \
do { \