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gh-131798: fold super method lookups in JIT (#148231)

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Kumar Aditya 2026-04-09 13:25:01 +05:30 • committed by GitHub
parent ee5232782f
commit 458aca9237
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14 changed files with 1762 additions and 1278 deletions
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23
Python/bytecodes.c
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@ -2630,14 +2630,31 @@ dummy_func(
attr_st = PyStackRef_FromPyObjectSteal(attr);
}
inst(LOAD_SUPER_ATTR_METHOD, (unused/1, global_super_st, class_st, self_st -- attr, self_or_null)) {
macro(LOAD_SUPER_ATTR_METHOD) =
_RECORD_NOS +
unused/1 +
_GUARD_LOAD_SUPER_ATTR_METHOD +
_LOAD_SUPER_ATTR_METHOD;
op(_GUARD_NOS_TYPE_VERSION, (type_version/2, nos, unused -- nos, unused)) {
PyTypeObject *tp = (PyTypeObject *)PyStackRef_AsPyObjectBorrow(nos);
assert(type_version != 0);
EXIT_IF(!PyType_Check((PyObject *)tp));
EXIT_IF(FT_ATOMIC_LOAD_UINT_RELAXED(tp->tp_version_tag) != type_version);
}
op(_GUARD_LOAD_SUPER_ATTR_METHOD, (global_super_st, class_st, unused -- global_super_st, class_st, unused)) {
PyObject *global_super = PyStackRef_AsPyObjectBorrow(global_super_st);
PyObject *class = PyStackRef_AsPyObjectBorrow(class_st);
PyObject *self = PyStackRef_AsPyObjectBorrow(self_st);
assert(oparg & 1);
EXIT_IF(global_super != (PyObject *)&PySuper_Type);
EXIT_IF(!PyType_Check(class));
}
op(_LOAD_SUPER_ATTR_METHOD, (global_super_st, class_st, self_st -- attr, self_or_null)) {
PyObject *class = PyStackRef_AsPyObjectBorrow(class_st);
PyObject *self = PyStackRef_AsPyObjectBorrow(self_st);
STAT_INC(LOAD_SUPER_ATTR, hit);
PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
PyTypeObject *cls = (PyTypeObject *)class;