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gh-134584: Eliminate redundant refcounting from _BINARY_OP_SUBSCR_TUPLE_INT (GH-143094)

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Hai Zhu 2025-12-24 05:47:12 +08:00 • committed by GitHub
parent cbe0cb779a
commit cc48bf0fde
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9 changed files with 65 additions and 34 deletions
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Python/bytecodes.c
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@ -975,9 +975,9 @@ dummy_func(
}
macro(BINARY_OP_SUBSCR_TUPLE_INT) =
_GUARD_TOS_INT + _GUARD_NOS_TUPLE + unused/5 + _BINARY_OP_SUBSCR_TUPLE_INT;
_GUARD_TOS_INT + _GUARD_NOS_TUPLE + unused/5 + _BINARY_OP_SUBSCR_TUPLE_INT + _POP_TOP_INT + POP_TOP;
op(_BINARY_OP_SUBSCR_TUPLE_INT, (tuple_st, sub_st -- res)) {
op(_BINARY_OP_SUBSCR_TUPLE_INT, (tuple_st, sub_st -- res, ts, ss)) {
PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);
PyObject *tuple = PyStackRef_AsPyObjectBorrow(tuple_st);
@ -991,9 +991,10 @@ dummy_func(
STAT_INC(BINARY_OP, hit);
PyObject *res_o = PyTuple_GET_ITEM(tuple, index);
assert(res_o != NULL);
PyStackRef_CLOSE_SPECIALIZED(sub_st, _PyLong_ExactDealloc);
res = PyStackRef_FromPyObjectNew(res_o);
DECREF_INPUTS();
ts = tuple_st;
ss = sub_st;
INPUTS_DEAD();
}
op(_GUARD_NOS_DICT, (nos, unused -- nos, unused)) {