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gh-134584: Eliminate redundant refcounting from _STORE_ATTR_INSTANCE_VALUE (GH-142759)

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Signed-off-by: Manjusaka <me@manjusaka.me>
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Nadeshiko Manju 2025-12-16 04:17:12 +08:00 • committed by GitHub
parent 0ac4e6c6cd
commit 059316ade6
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GPG key ID: B5690EEEBB952194
10 changed files with 67 additions and 16 deletions
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8
Python/bytecodes.c
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@ -2575,7 +2575,7 @@ dummy_func(
}
}
op(_STORE_ATTR_INSTANCE_VALUE, (offset/1, value, owner --)) {
op(_STORE_ATTR_INSTANCE_VALUE, (offset/1, value, owner -- o)) {
PyObject *owner_o = PyStackRef_AsPyObjectBorrow(owner);
STAT_INC(STORE_ATTR, hit);
@ -2589,7 +2589,8 @@ dummy_func(
_PyDictValues_AddToInsertionOrder(values, index);
}
UNLOCK_OBJECT(owner_o);
PyStackRef_CLOSE(owner);
o = owner;
DEAD(owner);
Py_XDECREF(old_value);
}
@ -2597,7 +2598,8 @@ dummy_func(
unused/1 +
_GUARD_TYPE_VERSION_AND_LOCK +
_GUARD_DORV_NO_DICT +
_STORE_ATTR_INSTANCE_VALUE;
_STORE_ATTR_INSTANCE_VALUE +
POP_TOP;
op(_STORE_ATTR_WITH_HINT, (hint/1, value, owner --)) {
PyObject *owner_o = PyStackRef_AsPyObjectBorrow(owner);