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gh-115999: Add partial free-thread specialization for BINARY_SUBSCR (gh-127227)

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Donghee Na 2024-12-02 10:38:17 +09:00 • committed by GitHub
parent 7ea523f47c
commit e2713409cf
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10 changed files with 128 additions and 71 deletions
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12
Python/generated_cases.c.h generated
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@ -433,7 +433,7 @@
container = stack_pointer[-2];
uint16_t counter = read_u16(&this_instr[1].cache);
(void)counter;
#if ENABLE_SPECIALIZATION
#if ENABLE_SPECIALIZATION_FT
assert(frame->stackpointer == NULL);
if (ADAPTIVE_COUNTER_TRIGGERS(counter)) {
next_instr = this_instr;
@ -444,7 +444,7 @@
}
OPCODE_DEFERRED_INC(BINARY_SUBSCR);
ADVANCE_ADAPTIVE_COUNTER(this_instr[1].counter);
#endif /* ENABLE_SPECIALIZATION */
#endif /* ENABLE_SPECIALIZATION_FT */
}
// _BINARY_SUBSCR
{
@ -577,11 +577,19 @@
// Deopt unless 0 <= sub < PyList_Size(list)
DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
#ifdef Py_GIL_DISABLED
_PyFrame_SetStackPointer(frame, stack_pointer);
PyObject *res_o = _PyList_GetItemRef((PyListObject*)list, index);
stack_pointer = _PyFrame_GetStackPointer(frame);
DEOPT_IF(res_o == NULL, BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
#else
DEOPT_IF(index >= PyList_GET_SIZE(list), BINARY_SUBSCR);
STAT_INC(BINARY_SUBSCR, hit);
PyObject *res_o = PyList_GET_ITEM(list, index);
assert(res_o != NULL);
Py_INCREF(res_o);
#endif
PyStackRef_CLOSE_SPECIALIZED(sub_st, (destructor)PyObject_Free);
PyStackRef_CLOSE(list_st);
res = PyStackRef_FromPyObjectSteal(res_o);