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gh-134584: Optimize _BINARY_OP_SUBSCR_LIST_SLICE (GH-144659)

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Sacul 2026-02-10 22:33:32 +08:00 • committed by GitHub
parent 40a82abe93
commit 6c8ca1c378
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11 changed files with 108 additions and 60 deletions
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12
Python/bytecodes.c
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@ -938,9 +938,9 @@ dummy_func(
}
macro(BINARY_OP_SUBSCR_LIST_SLICE) =
_GUARD_TOS_SLICE + _GUARD_NOS_LIST + unused/5 + _BINARY_OP_SUBSCR_LIST_SLICE;
_GUARD_TOS_SLICE + _GUARD_NOS_LIST + unused/5 + _BINARY_OP_SUBSCR_LIST_SLICE + POP_TOP + POP_TOP;
op(_BINARY_OP_SUBSCR_LIST_SLICE, (list_st, sub_st -- res)) {
op(_BINARY_OP_SUBSCR_LIST_SLICE, (list_st, sub_st -- res, ls, ss)) {
PyObject *sub = PyStackRef_AsPyObjectBorrow(sub_st);
PyObject *list = PyStackRef_AsPyObjectBorrow(list_st);
@ -949,9 +949,13 @@ dummy_func(
PyObject *res_o = _PyList_SliceSubscript(list, sub);
STAT_INC(BINARY_OP, hit);
DECREF_INPUTS();
ERROR_IF(res_o == NULL);
if (res_o == NULL) {
ERROR_NO_POP();
}
res = PyStackRef_FromPyObjectSteal(res_o);
ls = list_st;
ss = sub_st;
INPUTS_DEAD();
}
macro(BINARY_OP_SUBSCR_STR_INT) =