GH-104909: Split `LOAD_ATTR_INSTANCE_VALUE` into micro-ops (GH-106678)

1 files changed, 38 insertions, 21 deletions

diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index 383432f..d43c738 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -2240,28 +2240,45 @@
         }
 
         TARGET(LOAD_ATTR_INSTANCE_VALUE) {
-            PyObject *owner = stack_pointer[-1];
-            PyObject *res2 = NULL;
-            PyObject *res;
-            uint32_t type_version = read_u32(&next_instr[1].cache);
-            uint16_t index = read_u16(&next_instr[3].cache);
-            PyTypeObject *tp = Py_TYPE(owner);
-            assert(type_version != 0);
-            DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
-            assert(tp->tp_dictoffset < 0);
-            assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT);
-            PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
-            DEOPT_IF(!_PyDictOrValues_IsValues(dorv), LOAD_ATTR);
-            res = _PyDictOrValues_GetValues(dorv)->values[index];
-            DEOPT_IF(res == NULL, LOAD_ATTR);
-            STAT_INC(LOAD_ATTR, hit);
-            Py_INCREF(res);
-            res2 = NULL;
-            Py_DECREF(owner);
-            STACK_GROW(((oparg & 1) ? 1 : 0));
-            stack_pointer[-1] = res;
-            if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
+            PyObject *_tmp_1;
+            PyObject *_tmp_2 = stack_pointer[-1];
+            {
+            }
+            {
+                PyObject *owner = _tmp_2;
+                uint32_t type_version = read_u32(&next_instr[1].cache);
+                PyTypeObject *tp = Py_TYPE(owner);
+                assert(type_version != 0);
+                DEOPT_IF(tp->tp_version_tag != type_version, LOAD_ATTR);
+                _tmp_2 = owner;
+            }
+            {
+                PyObject *owner = _tmp_2;
+                assert(Py_TYPE(owner)->tp_dictoffset < 0);
+                assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
+                PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
+                DEOPT_IF(!_PyDictOrValues_IsValues(dorv), LOAD_ATTR);
+                _tmp_2 = owner;
+            }
+            {
+                PyObject *owner = _tmp_2;
+                PyObject *res2 = NULL;
+                PyObject *res;
+                uint16_t index = read_u16(&next_instr[3].cache);
+                PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
+                res = _PyDictOrValues_GetValues(dorv)->values[index];
+                DEOPT_IF(res == NULL, LOAD_ATTR);
+                STAT_INC(LOAD_ATTR, hit);
+                Py_INCREF(res);
+                res2 = NULL;
+                Py_DECREF(owner);
+                if (oparg & 1) { _tmp_2 = res2; }
+                _tmp_1 = res;
+            }
             next_instr += 9;
+            STACK_GROW(((oparg & 1) ? 1 : 0));
+            stack_pointer[-1] = _tmp_1;
+            if (oparg & 1) { stack_pointer[-2] = _tmp_2; }
             DISPATCH();
         }