cpython/Python/executor_cases.c.h

// This file is generated by Tools/cases_generator/generate_cases.py
// from:
//   Python/bytecodes.c
// Do not edit!

        case NOP: {
            break;
        }

        case LOAD_FAST_CHECK: {
            PyObject *value;
            value = GETLOCAL(oparg);
            if (value == NULL) goto unbound_local_error;
            Py_INCREF(value);
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case LOAD_FAST: {
            PyObject *value;
            value = GETLOCAL(oparg);
            assert(value != NULL);
            Py_INCREF(value);
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case LOAD_FAST_AND_CLEAR: {
            PyObject *value;
            value = GETLOCAL(oparg);
            // do not use SETLOCAL here, it decrefs the old value
            GETLOCAL(oparg) = NULL;
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case LOAD_CONST: {
            PyObject *value;
            value = GETITEM(FRAME_CO_CONSTS, oparg);
            Py_INCREF(value);
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case STORE_FAST: {
            PyObject *value = stack_pointer[-1];
            SETLOCAL(oparg, value);
            STACK_SHRINK(1);
            break;
        }

        case POP_TOP: {
            PyObject *value = stack_pointer[-1];
            Py_DECREF(value);
            STACK_SHRINK(1);
            break;
        }

        case PUSH_NULL: {
            PyObject *res;
            res = NULL;
            STACK_GROW(1);
            stack_pointer[-1] = res;
            break;
        }

        case END_SEND: {
            PyObject *value = stack_pointer[-1];
            PyObject *receiver = stack_pointer[-2];
            Py_DECREF(receiver);
            STACK_SHRINK(1);
            stack_pointer[-1] = value;
            break;
        }

        case UNARY_NEGATIVE: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            res = PyNumber_Negative(value);
            Py_DECREF(value);
            if (res == NULL) goto pop_1_error;
            stack_pointer[-1] = res;
            break;
        }

        case UNARY_NOT: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            assert(PyBool_Check(value));
            res = Py_IsFalse(value) ? Py_True : Py_False;
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL: {
            static_assert(INLINE_CACHE_ENTRIES_TO_BOOL == 3, "incorrect cache size");
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            #if ENABLE_SPECIALIZATION
            _PyToBoolCache *cache = (_PyToBoolCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                next_instr--;
                _Py_Specialize_ToBool(value, next_instr);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(TO_BOOL, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            int err = PyObject_IsTrue(value);
            Py_DECREF(value);
            if (err < 0) goto pop_1_error;
            res = err ? Py_True : Py_False;
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL_BOOL: {
            PyObject *value = stack_pointer[-1];
            DEOPT_IF(!PyBool_Check(value), TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            break;
        }

        case TO_BOOL_INT: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            DEOPT_IF(!PyLong_CheckExact(value), TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            if (_PyLong_IsZero((PyLongObject *)value)) {
                assert(_Py_IsImmortal(value));
                res = Py_False;
            }
            else {
                Py_DECREF(value);
                res = Py_True;
            }
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL_LIST: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            DEOPT_IF(!PyList_CheckExact(value), TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            res = Py_SIZE(value) ? Py_True : Py_False;
            Py_DECREF(value);
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL_NONE: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            // This one is a bit weird, because we expect *some* failures:
            DEOPT_IF(!Py_IsNone(value), TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            res = Py_False;
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL_STR: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            DEOPT_IF(!PyUnicode_CheckExact(value), TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            if (value == &_Py_STR(empty)) {
                assert(_Py_IsImmortal(value));
                res = Py_False;
            }
            else {
                assert(Py_SIZE(value));
                Py_DECREF(value);
                res = Py_True;
            }
            stack_pointer[-1] = res;
            break;
        }

        case TO_BOOL_ALWAYS_TRUE: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            uint32_t version = (uint32_t)operand;
            // This one is a bit weird, because we expect *some* failures:
            assert(version);
            DEOPT_IF(Py_TYPE(value)->tp_version_tag != version, TO_BOOL);
            STAT_INC(TO_BOOL, hit);
            Py_DECREF(value);
            res = Py_True;
            stack_pointer[-1] = res;
            break;
        }

        case UNARY_INVERT: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            res = PyNumber_Invert(value);
            Py_DECREF(value);
            if (res == NULL) goto pop_1_error;
            stack_pointer[-1] = res;
            break;
        }

        case _GUARD_BOTH_INT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP);
            DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP);
            break;
        }

        case _BINARY_OP_MULTIPLY_INT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            res = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right);
            _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
            _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _BINARY_OP_ADD_INT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            res = _PyLong_Add((PyLongObject *)left, (PyLongObject *)right);
            _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
            _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _BINARY_OP_SUBTRACT_INT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            res = _PyLong_Subtract((PyLongObject *)left, (PyLongObject *)right);
            _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
            _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _GUARD_BOTH_FLOAT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP);
            DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP);
            break;
        }

        case _BINARY_OP_MULTIPLY_FLOAT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            double dres =
                ((PyFloatObject *)left)->ob_fval *
                ((PyFloatObject *)right)->ob_fval;
            DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _BINARY_OP_ADD_FLOAT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            double dres =
                ((PyFloatObject *)left)->ob_fval +
                ((PyFloatObject *)right)->ob_fval;
            DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _BINARY_OP_SUBTRACT_FLOAT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            double dres =
                ((PyFloatObject *)left)->ob_fval -
                ((PyFloatObject *)right)->ob_fval;
            DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case _GUARD_BOTH_UNICODE: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP);
            DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP);
            break;
        }

        case _BINARY_OP_ADD_UNICODE: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            STAT_INC(BINARY_OP, hit);
            res = PyUnicode_Concat(left, right);
            _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc);
            _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case BINARY_SUBSCR: {
            static_assert(INLINE_CACHE_ENTRIES_BINARY_SUBSCR == 1, "incorrect cache size");
            PyObject *sub = stack_pointer[-1];
            PyObject *container = stack_pointer[-2];
            PyObject *res;
            #if ENABLE_SPECIALIZATION
            _PyBinarySubscrCache *cache = (_PyBinarySubscrCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                next_instr--;
                _Py_Specialize_BinarySubscr(container, sub, next_instr);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(BINARY_SUBSCR, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            res = PyObject_GetItem(container, sub);
            Py_DECREF(container);
            Py_DECREF(sub);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case BINARY_SLICE: {
            PyObject *stop = stack_pointer[-1];
            PyObject *start = stack_pointer[-2];
            PyObject *container = stack_pointer[-3];
            PyObject *res;
            PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
            // Can't use ERROR_IF() here, because we haven't
            // DECREF'ed container yet, and we still own slice.
            if (slice == NULL) {
                res = NULL;
            }
            else {
                res = PyObject_GetItem(container, slice);
                Py_DECREF(slice);
            }
            Py_DECREF(container);
            if (res == NULL) goto pop_3_error;
            STACK_SHRINK(2);
            stack_pointer[-1] = res;
            break;
        }

        case STORE_SLICE: {
            PyObject *stop = stack_pointer[-1];
            PyObject *start = stack_pointer[-2];
            PyObject *container = stack_pointer[-3];
            PyObject *v = stack_pointer[-4];
            PyObject *slice = _PyBuildSlice_ConsumeRefs(start, stop);
            int err;
            if (slice == NULL) {
                err = 1;
            }
            else {
                err = PyObject_SetItem(container, slice, v);
                Py_DECREF(slice);
            }
            Py_DECREF(v);
            Py_DECREF(container);
            if (err) goto pop_4_error;
            STACK_SHRINK(4);
            break;
        }

        case BINARY_SUBSCR_LIST_INT: {
            PyObject *sub = stack_pointer[-1];
            PyObject *list = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
            DEOPT_IF(!PyList_CheckExact(list), BINARY_SUBSCR);

            // 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];
            DEOPT_IF(index >= PyList_GET_SIZE(list), BINARY_SUBSCR);
            STAT_INC(BINARY_SUBSCR, hit);
            res = PyList_GET_ITEM(list, index);
            assert(res != NULL);
            Py_INCREF(res);
            _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
            Py_DECREF(list);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case BINARY_SUBSCR_TUPLE_INT: {
            PyObject *sub = stack_pointer[-1];
            PyObject *tuple = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyLong_CheckExact(sub), BINARY_SUBSCR);
            DEOPT_IF(!PyTuple_CheckExact(tuple), BINARY_SUBSCR);

            // Deopt unless 0 <= sub < PyTuple_Size(list)
            DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), BINARY_SUBSCR);
            Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
            DEOPT_IF(index >= PyTuple_GET_SIZE(tuple), BINARY_SUBSCR);
            STAT_INC(BINARY_SUBSCR, hit);
            res = PyTuple_GET_ITEM(tuple, index);
            assert(res != NULL);
            Py_INCREF(res);
            _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
            Py_DECREF(tuple);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case BINARY_SUBSCR_DICT: {
            PyObject *sub = stack_pointer[-1];
            PyObject *dict = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyDict_CheckExact(dict), BINARY_SUBSCR);
            STAT_INC(BINARY_SUBSCR, hit);
            res = PyDict_GetItemWithError(dict, sub);
            if (res == NULL) {
                if (!_PyErr_Occurred(tstate)) {
                    _PyErr_SetKeyError(sub);
                }
                Py_DECREF(dict);
                Py_DECREF(sub);
                if (true) goto pop_2_error;
            }
            Py_INCREF(res);  // Do this before DECREF'ing dict, sub
            Py_DECREF(dict);
            Py_DECREF(sub);
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case LIST_APPEND: {
            PyObject *v = stack_pointer[-1];
            PyObject *list = stack_pointer[-(2 + (oparg-1))];
            if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case SET_ADD: {
            PyObject *v = stack_pointer[-1];
            PyObject *set = stack_pointer[-(2 + (oparg-1))];
            int err = PySet_Add(set, v);
            Py_DECREF(v);
            if (err) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case STORE_SUBSCR: {
            static_assert(INLINE_CACHE_ENTRIES_STORE_SUBSCR == 1, "incorrect cache size");
            PyObject *sub = stack_pointer[-1];
            PyObject *container = stack_pointer[-2];
            PyObject *v = stack_pointer[-3];
            uint16_t counter = (uint16_t)operand;
            #if ENABLE_SPECIALIZATION
            if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
                next_instr--;
                _Py_Specialize_StoreSubscr(container, sub, next_instr);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(STORE_SUBSCR, deferred);
            _PyStoreSubscrCache *cache = (_PyStoreSubscrCache *)next_instr;
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #else
            (void)counter;  // Unused.
            #endif  /* ENABLE_SPECIALIZATION */
            /* container[sub] = v */
            int err = PyObject_SetItem(container, sub, v);
            Py_DECREF(v);
            Py_DECREF(container);
            Py_DECREF(sub);
            if (err) goto pop_3_error;
            STACK_SHRINK(3);
            break;
        }

        case STORE_SUBSCR_LIST_INT: {
            PyObject *sub = stack_pointer[-1];
            PyObject *list = stack_pointer[-2];
            PyObject *value = stack_pointer[-3];
            DEOPT_IF(!PyLong_CheckExact(sub), STORE_SUBSCR);
            DEOPT_IF(!PyList_CheckExact(list), STORE_SUBSCR);

            // Ensure nonnegative, zero-or-one-digit ints.
            DEOPT_IF(!_PyLong_IsNonNegativeCompact((PyLongObject *)sub), STORE_SUBSCR);
            Py_ssize_t index = ((PyLongObject*)sub)->long_value.ob_digit[0];
            // Ensure index < len(list)
            DEOPT_IF(index >= PyList_GET_SIZE(list), STORE_SUBSCR);
            STAT_INC(STORE_SUBSCR, hit);

            PyObject *old_value = PyList_GET_ITEM(list, index);
            PyList_SET_ITEM(list, index, value);
            assert(old_value != NULL);
            Py_DECREF(old_value);
            _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free);
            Py_DECREF(list);
            STACK_SHRINK(3);
            break;
        }

        case STORE_SUBSCR_DICT: {
            PyObject *sub = stack_pointer[-1];
            PyObject *dict = stack_pointer[-2];
            PyObject *value = stack_pointer[-3];
            DEOPT_IF(!PyDict_CheckExact(dict), STORE_SUBSCR);
            STAT_INC(STORE_SUBSCR, hit);
            int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value);
            Py_DECREF(dict);
            if (err) goto pop_3_error;
            STACK_SHRINK(3);
            break;
        }

        case DELETE_SUBSCR: {
            PyObject *sub = stack_pointer[-1];
            PyObject *container = stack_pointer[-2];
            /* del container[sub] */
            int err = PyObject_DelItem(container, sub);
            Py_DECREF(container);
            Py_DECREF(sub);
            if (err) goto pop_2_error;
            STACK_SHRINK(2);
            break;
        }

        case CALL_INTRINSIC_1: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            assert(oparg <= MAX_INTRINSIC_1);
            res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value);
            Py_DECREF(value);
            if (res == NULL) goto pop_1_error;
            stack_pointer[-1] = res;
            break;
        }

        case CALL_INTRINSIC_2: {
            PyObject *value1 = stack_pointer[-1];
            PyObject *value2 = stack_pointer[-2];
            PyObject *res;
            assert(oparg <= MAX_INTRINSIC_2);
            res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1);
            Py_DECREF(value2);
            Py_DECREF(value1);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case GET_AITER: {
            PyObject *obj = stack_pointer[-1];
            PyObject *iter;
            unaryfunc getter = NULL;
            PyTypeObject *type = Py_TYPE(obj);

            if (type->tp_as_async != NULL) {
                getter = type->tp_as_async->am_aiter;
            }

            if (getter == NULL) {
                _PyErr_Format(tstate, PyExc_TypeError,
                              "'async for' requires an object with "
                              "__aiter__ method, got %.100s",
                              type->tp_name);
                Py_DECREF(obj);
                if (true) goto pop_1_error;
            }

            iter = (*getter)(obj);
            Py_DECREF(obj);
            if (iter == NULL) goto pop_1_error;

            if (Py_TYPE(iter)->tp_as_async == NULL ||
                    Py_TYPE(iter)->tp_as_async->am_anext == NULL) {

                _PyErr_Format(tstate, PyExc_TypeError,
                              "'async for' received an object from __aiter__ "
                              "that does not implement __anext__: %.100s",
                              Py_TYPE(iter)->tp_name);
                Py_DECREF(iter);
                if (true) goto pop_1_error;
            }
            stack_pointer[-1] = iter;
            break;
        }

        case GET_ANEXT: {
            PyObject *aiter = stack_pointer[-1];
            PyObject *awaitable;
            unaryfunc getter = NULL;
            PyObject *next_iter = NULL;
            PyTypeObject *type = Py_TYPE(aiter);

            if (PyAsyncGen_CheckExact(aiter)) {
                awaitable = type->tp_as_async->am_anext(aiter);
                if (awaitable == NULL) {
                    goto error;
                }
            } else {
                if (type->tp_as_async != NULL){
                    getter = type->tp_as_async->am_anext;
                }

                if (getter != NULL) {
                    next_iter = (*getter)(aiter);
                    if (next_iter == NULL) {
                        goto error;
                    }
                }
                else {
                    _PyErr_Format(tstate, PyExc_TypeError,
                                  "'async for' requires an iterator with "
                                  "__anext__ method, got %.100s",
                                  type->tp_name);
                    goto error;
                }

                awaitable = _PyCoro_GetAwaitableIter(next_iter);
                if (awaitable == NULL) {
                    _PyErr_FormatFromCause(
                        PyExc_TypeError,
                        "'async for' received an invalid object "
                        "from __anext__: %.100s",
                        Py_TYPE(next_iter)->tp_name);

                    Py_DECREF(next_iter);
                    goto error;
                } else {
                    Py_DECREF(next_iter);
                }
            }
            STACK_GROW(1);
            stack_pointer[-1] = awaitable;
            break;
        }

        case GET_AWAITABLE: {
            PyObject *iterable = stack_pointer[-1];
            PyObject *iter;
            iter = _PyCoro_GetAwaitableIter(iterable);

            if (iter == NULL) {
                format_awaitable_error(tstate, Py_TYPE(iterable), oparg);
            }

            Py_DECREF(iterable);

            if (iter != NULL && PyCoro_CheckExact(iter)) {
                PyObject *yf = _PyGen_yf((PyGenObject*)iter);
                if (yf != NULL) {
                    /* `iter` is a coroutine object that is being
                       awaited, `yf` is a pointer to the current awaitable
                       being awaited on. */
                    Py_DECREF(yf);
                    Py_CLEAR(iter);
                    _PyErr_SetString(tstate, PyExc_RuntimeError,
                                     "coroutine is being awaited already");
                    /* The code below jumps to `error` if `iter` is NULL. */
                }
            }

            if (iter == NULL) goto pop_1_error;
            stack_pointer[-1] = iter;
            break;
        }

        case POP_EXCEPT: {
            PyObject *exc_value = stack_pointer[-1];
            _PyErr_StackItem *exc_info = tstate->exc_info;
            Py_XSETREF(exc_info->exc_value, exc_value);
            STACK_SHRINK(1);
            break;
        }

        case LOAD_ASSERTION_ERROR: {
            PyObject *value;
            value = Py_NewRef(PyExc_AssertionError);
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case LOAD_BUILD_CLASS: {
            PyObject *bc;
            if (PyMapping_GetOptionalItem(BUILTINS(), &_Py_ID(__build_class__), &bc) < 0) goto error;
            if (bc == NULL) {
                _PyErr_SetString(tstate, PyExc_NameError,
                                 "__build_class__ not found");
                if (true) goto error;
            }
            STACK_GROW(1);
            stack_pointer[-1] = bc;
            break;
        }

        case STORE_NAME: {
            PyObject *v = stack_pointer[-1];
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            PyObject *ns = LOCALS();
            int err;
            if (ns == NULL) {
                _PyErr_Format(tstate, PyExc_SystemError,
                              "no locals found when storing %R", name);
                Py_DECREF(v);
                if (true) goto pop_1_error;
            }
            if (PyDict_CheckExact(ns))
                err = PyDict_SetItem(ns, name, v);
            else
                err = PyObject_SetItem(ns, name, v);
            Py_DECREF(v);
            if (err) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case DELETE_NAME: {
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            PyObject *ns = LOCALS();
            int err;
            if (ns == NULL) {
                _PyErr_Format(tstate, PyExc_SystemError,
                              "no locals when deleting %R", name);
                goto error;
            }
            err = PyObject_DelItem(ns, name);
            // Can't use ERROR_IF here.
            if (err != 0) {
                format_exc_check_arg(tstate, PyExc_NameError,
                                     NAME_ERROR_MSG,
                                     name);
                goto error;
            }
            break;
        }

        case UNPACK_SEQUENCE: {
            static_assert(INLINE_CACHE_ENTRIES_UNPACK_SEQUENCE == 1, "incorrect cache size");
            PyObject *seq = stack_pointer[-1];
            #if ENABLE_SPECIALIZATION
            _PyUnpackSequenceCache *cache = (_PyUnpackSequenceCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                next_instr--;
                _Py_Specialize_UnpackSequence(seq, next_instr, oparg);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(UNPACK_SEQUENCE, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            PyObject **top = stack_pointer + oparg - 1;
            int res = unpack_iterable(tstate, seq, oparg, -1, top);
            Py_DECREF(seq);
            if (res == 0) goto pop_1_error;
            STACK_SHRINK(1);
            STACK_GROW(oparg);
            break;
        }

        case UNPACK_SEQUENCE_TWO_TUPLE: {
            PyObject *seq = stack_pointer[-1];
            PyObject **values = stack_pointer - (1);
            DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE);
            DEOPT_IF(PyTuple_GET_SIZE(seq) != 2, UNPACK_SEQUENCE);
            assert(oparg == 2);
            STAT_INC(UNPACK_SEQUENCE, hit);
            values[0] = Py_NewRef(PyTuple_GET_ITEM(seq, 1));
            values[1] = Py_NewRef(PyTuple_GET_ITEM(seq, 0));
            Py_DECREF(seq);
            STACK_SHRINK(1);
            STACK_GROW(oparg);
            break;
        }

        case UNPACK_SEQUENCE_TUPLE: {
            PyObject *seq = stack_pointer[-1];
            PyObject **values = stack_pointer - (1);
            DEOPT_IF(!PyTuple_CheckExact(seq), UNPACK_SEQUENCE);
            DEOPT_IF(PyTuple_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE);
            STAT_INC(UNPACK_SEQUENCE, hit);
            PyObject **items = _PyTuple_ITEMS(seq);
            for (int i = oparg; --i >= 0; ) {
                *values++ = Py_NewRef(items[i]);
            }
            Py_DECREF(seq);
            STACK_SHRINK(1);
            STACK_GROW(oparg);
            break;
        }

        case UNPACK_SEQUENCE_LIST: {
            PyObject *seq = stack_pointer[-1];
            PyObject **values = stack_pointer - (1);
            DEOPT_IF(!PyList_CheckExact(seq), UNPACK_SEQUENCE);
            DEOPT_IF(PyList_GET_SIZE(seq) != oparg, UNPACK_SEQUENCE);
            STAT_INC(UNPACK_SEQUENCE, hit);
            PyObject **items = _PyList_ITEMS(seq);
            for (int i = oparg; --i >= 0; ) {
                *values++ = Py_NewRef(items[i]);
            }
            Py_DECREF(seq);
            STACK_SHRINK(1);
            STACK_GROW(oparg);
            break;
        }

        case UNPACK_EX: {
            PyObject *seq = stack_pointer[-1];
            int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8);
            PyObject **top = stack_pointer + totalargs - 1;
            int res = unpack_iterable(tstate, seq, oparg & 0xFF, oparg >> 8, top);
            Py_DECREF(seq);
            if (res == 0) goto pop_1_error;
            STACK_GROW((oparg & 0xFF) + (oparg >> 8));
            break;
        }

        case DELETE_ATTR: {
            PyObject *owner = stack_pointer[-1];
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            int err = PyObject_DelAttr(owner, name);
            Py_DECREF(owner);
            if (err) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case STORE_GLOBAL: {
            PyObject *v = stack_pointer[-1];
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            int err = PyDict_SetItem(GLOBALS(), name, v);
            Py_DECREF(v);
            if (err) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case DELETE_GLOBAL: {
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            int err;
            err = PyDict_DelItem(GLOBALS(), name);
            // Can't use ERROR_IF here.
            if (err != 0) {
                if (_PyErr_ExceptionMatches(tstate, PyExc_KeyError)) {
                    format_exc_check_arg(tstate, PyExc_NameError,
                                         NAME_ERROR_MSG, name);
                }
                goto error;
            }
            break;
        }

        case _LOAD_LOCALS: {
            PyObject *locals;
            locals = LOCALS();
            if (locals == NULL) {
                _PyErr_SetString(tstate, PyExc_SystemError,
                                 "no locals found");
                if (true) goto error;
            }
            Py_INCREF(locals);
            STACK_GROW(1);
            stack_pointer[-1] = locals;
            break;
        }

        case _LOAD_FROM_DICT_OR_GLOBALS: {
            PyObject *mod_or_class_dict = stack_pointer[-1];
            PyObject *v;
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
            if (PyMapping_GetOptionalItem(mod_or_class_dict, name, &v) < 0) {
                Py_DECREF(mod_or_class_dict);
                goto error;
            }
            Py_DECREF(mod_or_class_dict);
            if (v == NULL) {
                v = PyDict_GetItemWithError(GLOBALS(), name);
                if (v != NULL) {
                    Py_INCREF(v);
                }
                else if (_PyErr_Occurred(tstate)) {
                    goto error;
                }
                else {
                    if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) {
                        goto error;
                    }
                    if (v == NULL) {
                        format_exc_check_arg(
                                    tstate, PyExc_NameError,
                                    NAME_ERROR_MSG, name);
                        goto error;
                    }
                }
            }
            stack_pointer[-1] = v;
            break;
        }

        case LOAD_GLOBAL: {
            static_assert(INLINE_CACHE_ENTRIES_LOAD_GLOBAL == 4, "incorrect cache size");
            PyObject *null = NULL;
            PyObject *v;
            #if ENABLE_SPECIALIZATION
            _PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
                next_instr--;
                _Py_Specialize_LoadGlobal(GLOBALS(), BUILTINS(), next_instr, name);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(LOAD_GLOBAL, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
            if (PyDict_CheckExact(GLOBALS())
                && PyDict_CheckExact(BUILTINS()))
            {
                v = _PyDict_LoadGlobal((PyDictObject *)GLOBALS(),
                                       (PyDictObject *)BUILTINS(),
                                       name);
                if (v == NULL) {
                    if (!_PyErr_Occurred(tstate)) {
                        /* _PyDict_LoadGlobal() returns NULL without raising
                         * an exception if the key doesn't exist */
                        format_exc_check_arg(tstate, PyExc_NameError,
                                             NAME_ERROR_MSG, name);
                    }
                    if (true) goto error;
                }
                Py_INCREF(v);
            }
            else {
                /* Slow-path if globals or builtins is not a dict */

                /* namespace 1: globals */
                if (PyMapping_GetOptionalItem(GLOBALS(), name, &v) < 0) goto error;
                if (v == NULL) {
                    /* namespace 2: builtins */
                    if (PyMapping_GetOptionalItem(BUILTINS(), name, &v) < 0) goto error;
                    if (v == NULL) {
                        format_exc_check_arg(
                                    tstate, PyExc_NameError,
                                    NAME_ERROR_MSG, name);
                        if (true) goto error;
                    }
                }
            }
            null = NULL;
            STACK_GROW(1);
            STACK_GROW(((oparg & 1) ? 1 : 0));
            stack_pointer[-1] = v;
            if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = null; }
            break;
        }

        case _SKIP_CACHE: {
            break;
        }

        case _GUARD_GLOBALS_VERSION: {
            uint16_t version = (uint16_t)operand;
            PyDictObject *dict = (PyDictObject *)GLOBALS();
            DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL);
            DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL);
            assert(DK_IS_UNICODE(dict->ma_keys));
            break;
        }

        case _GUARD_BUILTINS_VERSION: {
            uint16_t version = (uint16_t)operand;
            PyDictObject *dict = (PyDictObject *)BUILTINS();
            DEOPT_IF(!PyDict_CheckExact(dict), LOAD_GLOBAL);
            DEOPT_IF(dict->ma_keys->dk_version != version, LOAD_GLOBAL);
            assert(DK_IS_UNICODE(dict->ma_keys));
            break;
        }

        case DELETE_FAST: {
            PyObject *v = GETLOCAL(oparg);
            if (v == NULL) goto unbound_local_error;
            SETLOCAL(oparg, NULL);
            break;
        }

        case DELETE_DEREF: {
            PyObject *cell = GETLOCAL(oparg);
            PyObject *oldobj = PyCell_GET(cell);
            // Can't use ERROR_IF here.
            // Fortunately we don't need its superpower.
            if (oldobj == NULL) {
                format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
                goto error;
            }
            PyCell_SET(cell, NULL);
            Py_DECREF(oldobj);
            break;
        }

        case LOAD_FROM_DICT_OR_DEREF: {
            PyObject *class_dict = stack_pointer[-1];
            PyObject *value;
            PyObject *name;
            assert(class_dict);
            assert(oparg >= 0 && oparg < _PyFrame_GetCode(frame)->co_nlocalsplus);
            name = PyTuple_GET_ITEM(_PyFrame_GetCode(frame)->co_localsplusnames, oparg);
            if (PyMapping_GetOptionalItem(class_dict, name, &value) < 0) {
                Py_DECREF(class_dict);
                goto error;
            }
            Py_DECREF(class_dict);
            if (!value) {
                PyObject *cell = GETLOCAL(oparg);
                value = PyCell_GET(cell);
                if (value == NULL) {
                    format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
                    goto error;
                }
                Py_INCREF(value);
            }
            stack_pointer[-1] = value;
            break;
        }

        case LOAD_DEREF: {
            PyObject *value;
            PyObject *cell = GETLOCAL(oparg);
            value = PyCell_GET(cell);
            if (value == NULL) {
                format_exc_unbound(tstate, _PyFrame_GetCode(frame), oparg);
                if (true) goto error;
            }
            Py_INCREF(value);
            STACK_GROW(1);
            stack_pointer[-1] = value;
            break;
        }

        case STORE_DEREF: {
            PyObject *v = stack_pointer[-1];
            PyObject *cell = GETLOCAL(oparg);
            PyObject *oldobj = PyCell_GET(cell);
            PyCell_SET(cell, v);
            Py_XDECREF(oldobj);
            STACK_SHRINK(1);
            break;
        }

        case COPY_FREE_VARS: {
            /* Copy closure variables to free variables */
            PyCodeObject *co = _PyFrame_GetCode(frame);
            assert(PyFunction_Check(frame->f_funcobj));
            PyObject *closure = ((PyFunctionObject *)frame->f_funcobj)->func_closure;
            assert(oparg == co->co_nfreevars);
            int offset = co->co_nlocalsplus - oparg;
            for (int i = 0; i < oparg; ++i) {
                PyObject *o = PyTuple_GET_ITEM(closure, i);
                frame->localsplus[offset + i] = Py_NewRef(o);
            }
            break;
        }

        case BUILD_STRING: {
            PyObject **pieces = (stack_pointer - oparg);
            PyObject *str;
            str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg);
            for (int _i = oparg; --_i >= 0;) {
                Py_DECREF(pieces[_i]);
            }
            if (str == NULL) { STACK_SHRINK(oparg); goto error; }
            STACK_SHRINK(oparg);
            STACK_GROW(1);
            stack_pointer[-1] = str;
            break;
        }

        case BUILD_TUPLE: {
            PyObject **values = (stack_pointer - oparg);
            PyObject *tup;
            tup = _PyTuple_FromArraySteal(values, oparg);
            if (tup == NULL) { STACK_SHRINK(oparg); goto error; }
            STACK_SHRINK(oparg);
            STACK_GROW(1);
            stack_pointer[-1] = tup;
            break;
        }

        case BUILD_LIST: {
            PyObject **values = (stack_pointer - oparg);
            PyObject *list;
            list = _PyList_FromArraySteal(values, oparg);
            if (list == NULL) { STACK_SHRINK(oparg); goto error; }
            STACK_SHRINK(oparg);
            STACK_GROW(1);
            stack_pointer[-1] = list;
            break;
        }

        case LIST_EXTEND: {
            PyObject *iterable = stack_pointer[-1];
            PyObject *list = stack_pointer[-(2 + (oparg-1))];
            PyObject *none_val = _PyList_Extend((PyListObject *)list, iterable);
            if (none_val == NULL) {
                if (_PyErr_ExceptionMatches(tstate, PyExc_TypeError) &&
                   (Py_TYPE(iterable)->tp_iter == NULL && !PySequence_Check(iterable)))
                {
                    _PyErr_Clear(tstate);
                    _PyErr_Format(tstate, PyExc_TypeError,
                          "Value after * must be an iterable, not %.200s",
                          Py_TYPE(iterable)->tp_name);
                }
                Py_DECREF(iterable);
                if (true) goto pop_1_error;
            }
            assert(Py_IsNone(none_val));
            Py_DECREF(iterable);
            STACK_SHRINK(1);
            break;
        }

        case SET_UPDATE: {
            PyObject *iterable = stack_pointer[-1];
            PyObject *set = stack_pointer[-(2 + (oparg-1))];
            int err = _PySet_Update(set, iterable);
            Py_DECREF(iterable);
            if (err < 0) goto pop_1_error;
            STACK_SHRINK(1);
            break;
        }

        case BUILD_SET: {
            PyObject **values = (stack_pointer - oparg);
            PyObject *set;
            set = PySet_New(NULL);
            if (set == NULL)
                goto error;
            int err = 0;
            for (int i = 0; i < oparg; i++) {
                PyObject *item = values[i];
                if (err == 0)
                    err = PySet_Add(set, item);
                Py_DECREF(item);
            }
            if (err != 0) {
                Py_DECREF(set);
                if (true) { STACK_SHRINK(oparg); goto error; }
            }
            STACK_SHRINK(oparg);
            STACK_GROW(1);
            stack_pointer[-1] = set;
            break;
        }

        case BUILD_MAP: {
            PyObject **values = (stack_pointer - oparg*2);
            PyObject *map;
            map = _PyDict_FromItems(
                    values, 2,
                    values+1, 2,
                    oparg);
            if (map == NULL)
                goto error;

            for (int _i = oparg*2; --_i >= 0;) {
                Py_DECREF(values[_i]);
            }
            if (map == NULL) { STACK_SHRINK(oparg*2); goto error; }
            STACK_SHRINK(oparg*2);
            STACK_GROW(1);
            stack_pointer[-1] = map;
            break;
        }

        case SETUP_ANNOTATIONS: {
            int err;
            PyObject *ann_dict;
            if (LOCALS() == NULL) {
                _PyErr_Format(tstate, PyExc_SystemError,
                              "no locals found when setting up annotations");
                if (true) goto error;
            }
            /* check if __annotations__ in locals()... */
            if (PyDict_CheckExact(LOCALS())) {
                ann_dict = _PyDict_GetItemWithError(LOCALS(),
                                                    &_Py_ID(__annotations__));
                if (ann_dict == NULL) {
                    if (_PyErr_Occurred(tstate)) goto error;
                    /* ...if not, create a new one */
                    ann_dict = PyDict_New();
                    if (ann_dict == NULL) goto error;
                    err = PyDict_SetItem(LOCALS(), &_Py_ID(__annotations__),
                                         ann_dict);
                    Py_DECREF(ann_dict);
                    if (err) goto error;
                }
            }
            else {
                /* do the same if locals() is not a dict */
                if (PyMapping_GetOptionalItem(LOCALS(), &_Py_ID(__annotations__), &ann_dict) < 0) goto error;
                if (ann_dict == NULL) {
                    ann_dict = PyDict_New();
                    if (ann_dict == NULL) goto error;
                    err = PyObject_SetItem(LOCALS(), &_Py_ID(__annotations__),
                                           ann_dict);
                    Py_DECREF(ann_dict);
                    if (err) goto error;
                }
                else {
                    Py_DECREF(ann_dict);
                }
            }
            break;
        }

        case BUILD_CONST_KEY_MAP: {
            PyObject *keys = stack_pointer[-1];
            PyObject **values = (stack_pointer - (1 + oparg));
            PyObject *map;
            if (!PyTuple_CheckExact(keys) ||
                PyTuple_GET_SIZE(keys) != (Py_ssize_t)oparg) {
                _PyErr_SetString(tstate, PyExc_SystemError,
                                 "bad BUILD_CONST_KEY_MAP keys argument");
                goto error;  // Pop the keys and values.
            }
            map = _PyDict_FromItems(
                    &PyTuple_GET_ITEM(keys, 0), 1,
                    values, 1, oparg);
            for (int _i = oparg; --_i >= 0;) {
                Py_DECREF(values[_i]);
            }
            Py_DECREF(keys);
            if (map == NULL) { STACK_SHRINK(oparg); goto pop_1_error; }
            STACK_SHRINK(oparg);
            stack_pointer[-1] = map;
            break;
        }

        case DICT_UPDATE: {
            PyObject *update = stack_pointer[-1];
            PyObject *dict = PEEK(oparg + 1);  // update is still on the stack
            if (PyDict_Update(dict, update) < 0) {
                if (_PyErr_ExceptionMatches(tstate, PyExc_AttributeError)) {
                    _PyErr_Format(tstate, PyExc_TypeError,
                                    "'%.200s' object is not a mapping",
                                    Py_TYPE(update)->tp_name);
                }
                Py_DECREF(update);
                if (true) goto pop_1_error;
            }
            Py_DECREF(update);
            STACK_SHRINK(1);
            break;
        }

        case DICT_MERGE: {
            PyObject *update = stack_pointer[-1];
            PyObject *dict = PEEK(oparg + 1);  // update is still on the stack

            if (_PyDict_MergeEx(dict, update, 2) < 0) {
                format_kwargs_error(tstate, PEEK(3 + oparg), update);
                Py_DECREF(update);
                if (true) goto pop_1_error;
            }
            Py_DECREF(update);
            STACK_SHRINK(1);
            break;
        }

        case MAP_ADD: {
            PyObject *value = stack_pointer[-1];
            PyObject *key = stack_pointer[-2];
            PyObject *dict = PEEK(oparg + 2);  // key, value are still on the stack
            assert(PyDict_CheckExact(dict));
            /* dict[key] = value */
            // Do not DECREF INPUTS because the function steals the references
            if (_PyDict_SetItem_Take2((PyDictObject *)dict, key, value) != 0) goto pop_2_error;
            STACK_SHRINK(2);
            break;
        }

        case LOAD_SUPER_ATTR_ATTR: {
            PyObject *self = stack_pointer[-1];
            PyObject *class = stack_pointer[-2];
            PyObject *global_super = stack_pointer[-3];
            PyObject *res2 = NULL;
            PyObject *res;
            assert(!(oparg & 1));
            DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
            DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
            STAT_INC(LOAD_SUPER_ATTR, hit);
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
            res = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL);
            Py_DECREF(global_super);
            Py_DECREF(class);
            Py_DECREF(self);
            if (res == NULL) goto pop_3_error;
            STACK_SHRINK(2);
            STACK_GROW(((oparg & 1) ? 1 : 0));
            stack_pointer[-1] = res;
            if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
            break;
        }

        case LOAD_SUPER_ATTR_METHOD: {
            PyObject *self = stack_pointer[-1];
            PyObject *class = stack_pointer[-2];
            PyObject *global_super = stack_pointer[-3];
            PyObject *res2;
            PyObject *res;
            assert(oparg & 1);
            DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
            DEOPT_IF(!PyType_Check(class), LOAD_SUPER_ATTR);
            STAT_INC(LOAD_SUPER_ATTR, hit);
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2);
            PyTypeObject *cls = (PyTypeObject *)class;
            int method_found = 0;
            res2 = _PySuper_Lookup(cls, self, name,
                                   cls->tp_getattro == PyObject_GenericGetAttr ? &method_found : NULL);
            Py_DECREF(global_super);
            Py_DECREF(class);
            if (res2 == NULL) {
                Py_DECREF(self);
                if (true) goto pop_3_error;
            }
            if (method_found) {
                res = self; // transfer ownership
            } else {
                Py_DECREF(self);
                res = res2;
                res2 = NULL;
            }
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            stack_pointer[-2] = res2;
            break;
        }

        case LOAD_ATTR: {
            static_assert(INLINE_CACHE_ENTRIES_LOAD_ATTR == 9, "incorrect cache size");
            PyObject *owner = stack_pointer[-1];
            PyObject *res2 = NULL;
            PyObject *res;
            #if ENABLE_SPECIALIZATION
            _PyAttrCache *cache = (_PyAttrCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                PyObject *name = GETITEM(FRAME_CO_NAMES, oparg>>1);
                next_instr--;
                _Py_Specialize_LoadAttr(owner, next_instr, name);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(LOAD_ATTR, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 1);
            if (oparg & 1) {
                /* Designed to work in tandem with CALL, pushes two values. */
                PyObject* meth = NULL;
                if (_PyObject_GetMethod(owner, name, &meth)) {
                    /* We can bypass temporary bound method object.
                       meth is unbound method and obj is self.

                       meth | self | arg1 | ... | argN
                     */
                    assert(meth != NULL);  // No errors on this branch
                    res2 = meth;
                    res = owner;  // Transfer ownership
                }
                else {
                    /* meth is not an unbound method (but a regular attr, or
                       something was returned by a descriptor protocol).  Set
                       the second element of the stack to NULL, to signal
                       CALL that it's not a method call.

                       NULL | meth | arg1 | ... | argN
                    */
                    Py_DECREF(owner);
                    if (meth == NULL) goto pop_1_error;
                    res2 = NULL;
                    res = meth;
                }
            }
            else {
                /* Classic, pushes one value. */
                res = PyObject_GetAttr(owner, name);
                Py_DECREF(owner);
                if (res == NULL) goto pop_1_error;
            }
            STACK_GROW(((oparg & 1) ? 1 : 0));
            stack_pointer[-1] = res;
            if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
            break;
        }

        case COMPARE_OP: {
            static_assert(INLINE_CACHE_ENTRIES_COMPARE_OP == 1, "incorrect cache size");
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            #if ENABLE_SPECIALIZATION
            _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                next_instr--;
                _Py_Specialize_CompareOp(left, right, next_instr, oparg);
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(COMPARE_OP, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            assert((oparg >> 5) <= Py_GE);
            res = PyObject_RichCompare(left, right, oparg >> 5);
            Py_DECREF(left);
            Py_DECREF(right);
            if (res == NULL) goto pop_2_error;
            if (oparg & 16) {
                int res_bool = PyObject_IsTrue(res);
                Py_DECREF(res);
                if (res_bool < 0) goto pop_2_error;
                res = res_bool ? Py_True : Py_False;
            }
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case COMPARE_OP_FLOAT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyFloat_CheckExact(left), COMPARE_OP);
            DEOPT_IF(!PyFloat_CheckExact(right), COMPARE_OP);
            STAT_INC(COMPARE_OP, hit);
            double dleft = PyFloat_AS_DOUBLE(left);
            double dright = PyFloat_AS_DOUBLE(right);
            // 1 if NaN, 2 if <, 4 if >, 8 if ==; this matches low four bits of the oparg
            int sign_ish = COMPARISON_BIT(dleft, dright);
            _Py_DECREF_SPECIALIZED(left, _PyFloat_ExactDealloc);
            _Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc);
            res = (sign_ish & oparg) ? Py_True : Py_False;
            // It's always a bool, so we don't care about oparg & 16.
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case COMPARE_OP_INT: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyLong_CheckExact(left), COMPARE_OP);
            DEOPT_IF(!PyLong_CheckExact(right), COMPARE_OP);
            DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)left), COMPARE_OP);
            DEOPT_IF(!_PyLong_IsCompact((PyLongObject *)right), COMPARE_OP);
            STAT_INC(COMPARE_OP, hit);
            assert(_PyLong_DigitCount((PyLongObject *)left) <= 1 &&
                   _PyLong_DigitCount((PyLongObject *)right) <= 1);
            Py_ssize_t ileft = _PyLong_CompactValue((PyLongObject *)left);
            Py_ssize_t iright = _PyLong_CompactValue((PyLongObject *)right);
            // 2 if <, 4 if >, 8 if ==; this matches the low 4 bits of the oparg
            int sign_ish = COMPARISON_BIT(ileft, iright);
            _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free);
            _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free);
            res = (sign_ish & oparg) ? Py_True : Py_False;
            // It's always a bool, so we don't care about oparg & 16.
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case COMPARE_OP_STR: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *res;
            DEOPT_IF(!PyUnicode_CheckExact(left), COMPARE_OP);
            DEOPT_IF(!PyUnicode_CheckExact(right), COMPARE_OP);
            STAT_INC(COMPARE_OP, hit);
            int eq = _PyUnicode_Equal(left, right);
            assert((oparg >> 5) == Py_EQ || (oparg >> 5) == Py_NE);
            _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc);
            _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc);
            assert(eq == 0 || eq == 1);
            assert((oparg & 0xf) == COMPARISON_NOT_EQUALS || (oparg & 0xf) == COMPARISON_EQUALS);
            assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS);
            res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? Py_True : Py_False;
            // It's always a bool, so we don't care about oparg & 16.
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case IS_OP: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *b;
            int res = Py_Is(left, right) ^ oparg;
            Py_DECREF(left);
            Py_DECREF(right);
            b = res ? Py_True : Py_False;
            STACK_SHRINK(1);
            stack_pointer[-1] = b;
            break;
        }

        case CONTAINS_OP: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *b;
            int res = PySequence_Contains(right, left);
            Py_DECREF(left);
            Py_DECREF(right);
            if (res < 0) goto pop_2_error;
            b = (res ^ oparg) ? Py_True : Py_False;
            STACK_SHRINK(1);
            stack_pointer[-1] = b;
            break;
        }

        case CHECK_EG_MATCH: {
            PyObject *match_type = stack_pointer[-1];
            PyObject *exc_value = stack_pointer[-2];
            PyObject *rest;
            PyObject *match;
            if (check_except_star_type_valid(tstate, match_type) < 0) {
                Py_DECREF(exc_value);
                Py_DECREF(match_type);
                if (true) goto pop_2_error;
            }

            match = NULL;
            rest = NULL;
            int res = exception_group_match(exc_value, match_type,
                                            &match, &rest);
            Py_DECREF(exc_value);
            Py_DECREF(match_type);
            if (res < 0) goto pop_2_error;

            assert((match == NULL) == (rest == NULL));
            if (match == NULL) goto pop_2_error;

            if (!Py_IsNone(match)) {
                PyErr_SetHandledException(match);
            }
            stack_pointer[-1] = match;
            stack_pointer[-2] = rest;
            break;
        }

        case CHECK_EXC_MATCH: {
            PyObject *right = stack_pointer[-1];
            PyObject *left = stack_pointer[-2];
            PyObject *b;
            assert(PyExceptionInstance_Check(left));
            if (check_except_type_valid(tstate, right) < 0) {
                 Py_DECREF(right);
                 if (true) goto pop_1_error;
            }

            int res = PyErr_GivenExceptionMatches(left, right);
            Py_DECREF(right);
            b = res ? Py_True : Py_False;
            stack_pointer[-1] = b;
            break;
        }

        case IS_NONE: {
            PyObject *value = stack_pointer[-1];
            PyObject *b;
            if (Py_IsNone(value)) {
                b = Py_True;
            }
            else {
                b = Py_False;
                Py_DECREF(value);
            }
            stack_pointer[-1] = b;
            break;
        }

        case GET_LEN: {
            PyObject *obj = stack_pointer[-1];
            PyObject *len_o;
            // PUSH(len(TOS))
            Py_ssize_t len_i = PyObject_Length(obj);
            if (len_i < 0) goto error;
            len_o = PyLong_FromSsize_t(len_i);
            if (len_o == NULL) goto error;
            STACK_GROW(1);
            stack_pointer[-1] = len_o;
            break;
        }

        case MATCH_CLASS: {
            PyObject *names = stack_pointer[-1];
            PyObject *type = stack_pointer[-2];
            PyObject *subject = stack_pointer[-3];
            PyObject *attrs;
            // Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or
            // None on failure.
            assert(PyTuple_CheckExact(names));
            attrs = match_class(tstate, subject, type, oparg, names);
            Py_DECREF(subject);
            Py_DECREF(type);
            Py_DECREF(names);
            if (attrs) {
                assert(PyTuple_CheckExact(attrs));  // Success!
            }
            else {
                if (_PyErr_Occurred(tstate)) goto pop_3_error;
                attrs = Py_None;  // Failure!
            }
            STACK_SHRINK(2);
            stack_pointer[-1] = attrs;
            break;
        }

        case MATCH_MAPPING: {
            PyObject *subject = stack_pointer[-1];
            PyObject *res;
            int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING;
            res = match ? Py_True : Py_False;
            STACK_GROW(1);
            stack_pointer[-1] = res;
            break;
        }

        case MATCH_SEQUENCE: {
            PyObject *subject = stack_pointer[-1];
            PyObject *res;
            int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE;
            res = match ? Py_True : Py_False;
            STACK_GROW(1);
            stack_pointer[-1] = res;
            break;
        }

        case MATCH_KEYS: {
            PyObject *keys = stack_pointer[-1];
            PyObject *subject = stack_pointer[-2];
            PyObject *values_or_none;
            // On successful match, PUSH(values). Otherwise, PUSH(None).
            values_or_none = match_keys(tstate, subject, keys);
            if (values_or_none == NULL) goto error;
            STACK_GROW(1);
            stack_pointer[-1] = values_or_none;
            break;
        }

        case GET_ITER: {
            PyObject *iterable = stack_pointer[-1];
            PyObject *iter;
            /* before: [obj]; after [getiter(obj)] */
            iter = PyObject_GetIter(iterable);
            Py_DECREF(iterable);
            if (iter == NULL) goto pop_1_error;
            stack_pointer[-1] = iter;
            break;
        }

        case GET_YIELD_FROM_ITER: {
            PyObject *iterable = stack_pointer[-1];
            PyObject *iter;
            /* before: [obj]; after [getiter(obj)] */
            if (PyCoro_CheckExact(iterable)) {
                /* `iterable` is a coroutine */
                if (!(_PyFrame_GetCode(frame)->co_flags & (CO_COROUTINE | CO_ITERABLE_COROUTINE))) {
                    /* and it is used in a 'yield from' expression of a
                       regular generator. */
                    _PyErr_SetString(tstate, PyExc_TypeError,
                                     "cannot 'yield from' a coroutine object "
                                     "in a non-coroutine generator");
                    goto error;
                }
                iter = iterable;
            }
            else if (PyGen_CheckExact(iterable)) {
                iter = iterable;
            }
            else {
                /* `iterable` is not a generator. */
                iter = PyObject_GetIter(iterable);
                if (iter == NULL) {
                    goto error;
                }
                Py_DECREF(iterable);
            }
            stack_pointer[-1] = iter;
            break;
        }

        case WITH_EXCEPT_START: {
            PyObject *val = stack_pointer[-1];
            PyObject *lasti = stack_pointer[-3];
            PyObject *exit_func = stack_pointer[-4];
            PyObject *res;
            /* At the top of the stack are 4 values:
               - val: TOP = exc_info()
               - unused: SECOND = previous exception
               - lasti: THIRD = lasti of exception in exc_info()
               - exit_func: FOURTH = the context.__exit__ bound method
               We call FOURTH(type(TOP), TOP, GetTraceback(TOP)).
               Then we push the __exit__ return value.
            */
            PyObject *exc, *tb;

            assert(val && PyExceptionInstance_Check(val));
            exc = PyExceptionInstance_Class(val);
            tb = PyException_GetTraceback(val);
            Py_XDECREF(tb);
            assert(PyLong_Check(lasti));
            (void)lasti; // Shut up compiler warning if asserts are off
            PyObject *stack[4] = {NULL, exc, val, tb};
            res = PyObject_Vectorcall(exit_func, stack + 1,
                    3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
            if (res == NULL) goto error;
            STACK_GROW(1);
            stack_pointer[-1] = res;
            break;
        }

        case PUSH_EXC_INFO: {
            PyObject *new_exc = stack_pointer[-1];
            PyObject *prev_exc;
            _PyErr_StackItem *exc_info = tstate->exc_info;
            if (exc_info->exc_value != NULL) {
                prev_exc = exc_info->exc_value;
            }
            else {
                prev_exc = Py_None;
            }
            assert(PyExceptionInstance_Check(new_exc));
            exc_info->exc_value = Py_NewRef(new_exc);
            STACK_GROW(1);
            stack_pointer[-1] = new_exc;
            stack_pointer[-2] = prev_exc;
            break;
        }

        case EXIT_INIT_CHECK: {
            PyObject *should_be_none = stack_pointer[-1];
            assert(STACK_LEVEL() == 2);
            if (should_be_none != Py_None) {
                PyErr_Format(PyExc_TypeError,
                    "__init__() should return None, not '%.200s'",
                    Py_TYPE(should_be_none)->tp_name);
                goto error;
            }
            STACK_SHRINK(1);
            break;
        }

        case MAKE_FUNCTION: {
            PyObject *codeobj = stack_pointer[-1];
            PyObject *func;

            PyFunctionObject *func_obj = (PyFunctionObject *)
                PyFunction_New(codeobj, GLOBALS());

            Py_DECREF(codeobj);
            if (func_obj == NULL) {
                goto error;
            }

            func_obj->func_version = ((PyCodeObject *)codeobj)->co_version;
            func = (PyObject *)func_obj;
            stack_pointer[-1] = func;
            break;
        }

        case SET_FUNCTION_ATTRIBUTE: {
            PyObject *func = stack_pointer[-1];
            PyObject *attr = stack_pointer[-2];
            assert(PyFunction_Check(func));
            PyFunctionObject *func_obj = (PyFunctionObject *)func;
            switch(oparg) {
                case MAKE_FUNCTION_CLOSURE:
                    assert(func_obj->func_closure == NULL);
                    func_obj->func_closure = attr;
                    break;
                case MAKE_FUNCTION_ANNOTATIONS:
                    assert(func_obj->func_annotations == NULL);
                    func_obj->func_annotations = attr;
                    break;
                case MAKE_FUNCTION_KWDEFAULTS:
                    assert(PyDict_CheckExact(attr));
                    assert(func_obj->func_kwdefaults == NULL);
                    func_obj->func_kwdefaults = attr;
                    break;
                case MAKE_FUNCTION_DEFAULTS:
                    assert(PyTuple_CheckExact(attr));
                    assert(func_obj->func_defaults == NULL);
                    func_obj->func_defaults = attr;
                    break;
                default:
                    Py_UNREACHABLE();
            }
            STACK_SHRINK(1);
            stack_pointer[-1] = func;
            break;
        }

        case BUILD_SLICE: {
            PyObject *step = (oparg == 3) ? stack_pointer[-(((oparg == 3) ? 1 : 0))] : NULL;
            PyObject *stop = stack_pointer[-(1 + ((oparg == 3) ? 1 : 0))];
            PyObject *start = stack_pointer[-(2 + ((oparg == 3) ? 1 : 0))];
            PyObject *slice;
            slice = PySlice_New(start, stop, step);
            Py_DECREF(start);
            Py_DECREF(stop);
            Py_XDECREF(step);
            if (slice == NULL) { STACK_SHRINK(((oparg == 3) ? 1 : 0)); goto pop_2_error; }
            STACK_SHRINK(((oparg == 3) ? 1 : 0));
            STACK_SHRINK(1);
            stack_pointer[-1] = slice;
            break;
        }

        case CONVERT_VALUE: {
            PyObject *value = stack_pointer[-1];
            PyObject *result;
            convertion_func_ptr  conv_fn;
            assert(oparg >= FVC_STR && oparg <= FVC_ASCII);
            conv_fn = CONVERSION_FUNCTIONS[oparg];
            result = conv_fn(value);
            Py_DECREF(value);
            if (result == NULL) goto pop_1_error;
            stack_pointer[-1] = result;
            break;
        }

        case FORMAT_SIMPLE: {
            PyObject *value = stack_pointer[-1];
            PyObject *res;
            /* If value is a unicode object, then we know the result
             * of format(value) is value itself. */
            if (!PyUnicode_CheckExact(value)) {
                res = PyObject_Format(value, NULL);
                Py_DECREF(value);
                if (res == NULL) goto pop_1_error;
            }
            else {
                res = value;
            }
            stack_pointer[-1] = res;
            break;
        }

        case FORMAT_WITH_SPEC: {
            PyObject *fmt_spec = stack_pointer[-1];
            PyObject *value = stack_pointer[-2];
            PyObject *res;
            res = PyObject_Format(value, fmt_spec);
            Py_DECREF(value);
            Py_DECREF(fmt_spec);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case COPY: {
            PyObject *bottom = stack_pointer[-(1 + (oparg-1))];
            PyObject *top;
            assert(oparg > 0);
            top = Py_NewRef(bottom);
            STACK_GROW(1);
            stack_pointer[-1] = top;
            break;
        }

        case BINARY_OP: {
            static_assert(INLINE_CACHE_ENTRIES_BINARY_OP == 1, "incorrect cache size");
            PyObject *rhs = stack_pointer[-1];
            PyObject *lhs = stack_pointer[-2];
            PyObject *res;
            #if ENABLE_SPECIALIZATION
            _PyBinaryOpCache *cache = (_PyBinaryOpCache *)next_instr;
            if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                next_instr--;
                _Py_Specialize_BinaryOp(lhs, rhs, next_instr, oparg, &GETLOCAL(0));
                DISPATCH_SAME_OPARG();
            }
            STAT_INC(BINARY_OP, deferred);
            DECREMENT_ADAPTIVE_COUNTER(cache->counter);
            #endif  /* ENABLE_SPECIALIZATION */
            assert(0 <= oparg);
            assert((unsigned)oparg < Py_ARRAY_LENGTH(binary_ops));
            assert(binary_ops[oparg]);
            res = binary_ops[oparg](lhs, rhs);
            Py_DECREF(lhs);
            Py_DECREF(rhs);
            if (res == NULL) goto pop_2_error;
            STACK_SHRINK(1);
            stack_pointer[-1] = res;
            break;
        }

        case SWAP: {
            PyObject *top = stack_pointer[-1];
            PyObject *bottom = stack_pointer[-(2 + (oparg-2))];
            assert(oparg >= 2);
            stack_pointer[-1] = bottom;
            stack_pointer[-(2 + (oparg-2))] = top;
            break;
        }