mirror of
https://github.com/python/cpython.git
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GH-131729: Code-gen better liveness analysis (GH-131732)
* Rename 'defined' attribute to 'in_local' to more accurately reflect how it is used * Make death of variables explicit even for array variables. * Convert in_memory from boolean to stack offset * Don't apply liveness analysis to optimizer generated code * Fix RETURN_VALUE in optimizer
This commit is contained in:
Mark Shannon
GitHub
parent
b9ca438daa
commit
1b8bb1ed0c
12 changed files with 344 additions and 399 deletions
134
Python/generated_cases.c.h
generated
134
Python/generated_cases.c.h
generated
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@ -70,13 +70,13 @@
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lhs = res;
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stack_pointer[-2] = lhs;
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PyStackRef_CLOSE(tmp);
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tmp = rhs;
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rhs = PyStackRef_NULL;
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stack_pointer[-1] = rhs;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer += -1;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(rhs);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = res;
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}
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DISPATCH();
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}
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@ -708,13 +708,13 @@
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list_st = res;
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stack_pointer[-2] = list_st;
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PyStackRef_CLOSE(tmp);
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tmp = sub_st;
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sub_st = PyStackRef_NULL;
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stack_pointer[-1] = sub_st;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer += -1;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(sub_st);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = res;
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DISPATCH();
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}
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@ -834,7 +834,6 @@
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stack_pointer[-1] = tuple_st;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = res;
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DISPATCH();
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}
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@ -1125,11 +1124,11 @@
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}
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}
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if (err) {
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stack_pointer += -oparg;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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Py_DECREF(set_o);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer += -oparg;
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assert(WITHIN_STACK_BOUNDS());
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JUMP_TO_LABEL(error);
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}
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set = PyStackRef_FromPyObjectStealMortal(set_o);
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@ -1271,8 +1270,6 @@
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_PyStackRef *callable;
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_PyStackRef *self_or_null;
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_PyStackRef *args;
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_PyStackRef *func;
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_PyStackRef *maybe_self;
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_PyStackRef res;
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// _SPECIALIZE_CALL
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{
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@ -1295,18 +1292,15 @@
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/* Skip 2 cache entries */
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// _MAYBE_EXPAND_METHOD
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{
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args = &stack_pointer[-oparg];
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func = &stack_pointer[-2 - oparg];
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maybe_self = &stack_pointer[-1 - oparg];
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args = &stack_pointer[-oparg];
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(void)args;
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if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *self = ((PyMethodObject *)callable_o)->im_self;
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maybe_self[0] = PyStackRef_FromPyObjectNew(self);
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self_or_null[0] = PyStackRef_FromPyObjectNew(self);
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PyObject *method = ((PyMethodObject *)callable_o)->im_func;
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_PyStackRef temp = callable[0];
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func[0] = PyStackRef_FromPyObjectNew(method);
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callable[0] = PyStackRef_FromPyObjectNew(method);
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(temp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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@ -1315,8 +1309,6 @@
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// _DO_CALL
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{
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args = &stack_pointer[-oparg];
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self_or_null = &stack_pointer[-1 - oparg];
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callable = &stack_pointer[-2 - oparg];
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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// oparg counts all of the args, but *not* self:
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int total_args = oparg;
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@ -1458,7 +1450,7 @@
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INSTRUCTION_STATS(CALL_ALLOC_AND_ENTER_INIT);
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static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
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_PyStackRef *callable;
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_PyStackRef *null;
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_PyStackRef *self_or_null;
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_PyStackRef *args;
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_PyStackRef *init;
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_PyStackRef *self;
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@ -1476,15 +1468,12 @@
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// _CHECK_AND_ALLOCATE_OBJECT
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{
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args = &stack_pointer[-oparg];
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null = &stack_pointer[-1 - oparg];
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self_or_null = &stack_pointer[-1 - oparg];
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callable = &stack_pointer[-2 - oparg];
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init = &stack_pointer[-2 - oparg];
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self = &stack_pointer[-1 - oparg];
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args = &stack_pointer[-oparg];
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uint32_t type_version = read_u32(&this_instr[2].cache);
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(void)args;
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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if (!PyStackRef_IsNull(null[0])) {
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if (!PyStackRef_IsNull(self_or_null[0])) {
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UPDATE_MISS_STATS(CALL);
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assert(_PyOpcode_Deopt[opcode] == (CALL));
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JUMP_TO_PREDICTED(CALL);
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@ -1518,18 +1507,17 @@
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if (self_o == NULL) {
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JUMP_TO_LABEL(error);
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}
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self[0] = PyStackRef_FromPyObjectSteal(self_o);
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self_or_null[0] = PyStackRef_FromPyObjectSteal(self_o);
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_PyStackRef temp = callable[0];
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init[0] = PyStackRef_FromPyObjectNew(init_func);
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callable[0] = PyStackRef_FromPyObjectNew(init_func);
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(temp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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}
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// _CREATE_INIT_FRAME
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{
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args = &stack_pointer[-oparg];
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self = &stack_pointer[-1 - oparg];
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init = &stack_pointer[-2 - oparg];
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self = self_or_null;
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init = callable;
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_PyFrame_SetStackPointer(frame, stack_pointer);
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_PyInterpreterFrame *shim = _PyFrame_PushTrampolineUnchecked(
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tstate, (PyCodeObject *)&_Py_InitCleanup, 1, frame);
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@ -2547,7 +2535,7 @@
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next_instr += 4;
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INSTRUCTION_STATS(CALL_ISINSTANCE);
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static_assert(INLINE_CACHE_ENTRIES_CALL == 3, "incorrect cache size");
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_PyStackRef *callable;
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_PyStackRef callable;
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_PyStackRef *self_or_null;
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_PyStackRef *args;
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_PyStackRef res;
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@ -2555,9 +2543,9 @@
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/* Skip 2 cache entries */
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args = &stack_pointer[-oparg];
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self_or_null = &stack_pointer[-1 - oparg];
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callable = &stack_pointer[-2 - oparg];
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callable = stack_pointer[-2 - oparg];
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/* isinstance(o, o2) */
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable);
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int total_args = oparg;
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_PyStackRef *arguments = args;
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if (!PyStackRef_IsNull(self_or_null[0])) {
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@ -2587,8 +2575,9 @@
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res = retval ? PyStackRef_True : PyStackRef_False;
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assert((!PyStackRef_IsNull(res)) ^ (_PyErr_Occurred(tstate) != NULL));
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_PyFrame_SetStackPointer(frame, stack_pointer);
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_PyStackRef tmp = callable[0];
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callable[0] = res;
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_PyStackRef tmp = callable;
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callable = res;
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stack_pointer[-2 - oparg] = callable;
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PyStackRef_CLOSE(tmp);
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for (int _i = oparg; --_i >= 0;) {
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tmp = args[_i];
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@ -2599,7 +2588,6 @@
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self_or_null[0] = PyStackRef_NULL;
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PyStackRef_XCLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-2 - oparg] = res;
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stack_pointer += -1 - oparg;
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assert(WITHIN_STACK_BOUNDS());
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DISPATCH();
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@ -2622,8 +2610,6 @@
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_PyStackRef *args;
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_PyStackRef kwnames;
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_PyStackRef kwnames_in;
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_PyStackRef *func;
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_PyStackRef *maybe_self;
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_PyStackRef kwnames_out;
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_PyStackRef res;
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// _SPECIALIZE_CALL_KW
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@ -2649,17 +2635,14 @@
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{
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kwnames_in = stack_pointer[-1];
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args = &stack_pointer[-1 - oparg];
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func = &stack_pointer[-3 - oparg];
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maybe_self = &stack_pointer[-2 - oparg];
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args = &stack_pointer[-1 - oparg];
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(void)args;
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if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *self = ((PyMethodObject *)callable_o)->im_self;
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maybe_self[0] = PyStackRef_FromPyObjectNew(self);
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self_or_null[0] = PyStackRef_FromPyObjectNew(self);
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PyObject *method = ((PyMethodObject *)callable_o)->im_func;
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_PyStackRef temp = callable[0];
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func[0] = PyStackRef_FromPyObjectNew(method);
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callable[0] = PyStackRef_FromPyObjectNew(method);
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(temp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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@ -2670,8 +2653,6 @@
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{
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kwnames = kwnames_out;
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args = &stack_pointer[-1 - oparg];
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self_or_null = &stack_pointer[-2 - oparg];
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callable = &stack_pointer[-3 - oparg];
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *kwnames_o = PyStackRef_AsPyObjectBorrow(kwnames);
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// oparg counts all of the args, but *not* self:
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@ -2696,14 +2677,12 @@
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arguments, positional_args, kwnames_o, frame
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);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer += -1;
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stack_pointer += -3 - oparg;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(kwnames);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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// Sync stack explicitly since we leave using DISPATCH_INLINED().
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stack_pointer += -2 - oparg;
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assert(WITHIN_STACK_BOUNDS());
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// The frame has stolen all the arguments from the stack,
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// so there is no need to clean them up.
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if (new_frame == NULL) {
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@ -3958,6 +3937,7 @@
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// _INIT_CALL_PY_EXACT_ARGS
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{
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args = &stack_pointer[-oparg];
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self_or_null = &stack_pointer[-1 - oparg];
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int has_self = !PyStackRef_IsNull(self_or_null[0]);
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STAT_INC(CALL, hit);
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new_frame = _PyFrame_PushUnchecked(tstate, callable[0], oparg + has_self, frame);
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@ -6027,10 +6007,8 @@
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stack_pointer[-1] = iterable;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = iter;
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}
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}
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stack_pointer[-1] = iter;
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DISPATCH();
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}
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@ -6121,17 +6099,14 @@
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args = &stack_pointer[-oparg];
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self_or_null = &stack_pointer[-1 - oparg];
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callable = &stack_pointer[-2 - oparg];
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func = &stack_pointer[-2 - oparg];
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maybe_self = &stack_pointer[-1 - oparg];
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args = &stack_pointer[-oparg];
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(void)args;
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if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *self = ((PyMethodObject *)callable_o)->im_self;
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maybe_self[0] = PyStackRef_FromPyObjectNew(self);
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self_or_null[0] = PyStackRef_FromPyObjectNew(self);
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PyObject *method = ((PyMethodObject *)callable_o)->im_func;
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_PyStackRef temp = callable[0];
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func[0] = PyStackRef_FromPyObjectNew(method);
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callable[0] = PyStackRef_FromPyObjectNew(method);
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(temp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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@ -6139,9 +6114,8 @@
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}
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// _MONITOR_CALL
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{
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args = &stack_pointer[-oparg];
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maybe_self = &stack_pointer[-1 - oparg];
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func = &stack_pointer[-2 - oparg];
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maybe_self = self_or_null;
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func = callable;
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int is_meth = !PyStackRef_IsNull(maybe_self[0]);
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PyObject *function = PyStackRef_AsPyObjectBorrow(func[0]);
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PyObject *arg0;
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@ -6506,8 +6480,6 @@
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_PyStackRef *self_or_null;
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_PyStackRef *args;
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_PyStackRef kwnames_in;
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_PyStackRef *func;
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_PyStackRef *maybe_self;
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_PyStackRef kwnames_out;
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_PyStackRef kwnames;
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_PyStackRef res;
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@ -6519,17 +6491,14 @@
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args = &stack_pointer[-1 - oparg];
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self_or_null = &stack_pointer[-2 - oparg];
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callable = &stack_pointer[-3 - oparg];
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func = &stack_pointer[-3 - oparg];
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maybe_self = &stack_pointer[-2 - oparg];
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args = &stack_pointer[-1 - oparg];
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(void)args;
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if (PyStackRef_TYPE(callable[0]) == &PyMethod_Type && PyStackRef_IsNull(self_or_null[0])) {
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PyObject *callable_o = PyStackRef_AsPyObjectBorrow(callable[0]);
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PyObject *self = ((PyMethodObject *)callable_o)->im_self;
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maybe_self[0] = PyStackRef_FromPyObjectNew(self);
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self_or_null[0] = PyStackRef_FromPyObjectNew(self);
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PyObject *method = ((PyMethodObject *)callable_o)->im_func;
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_PyStackRef temp = callable[0];
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func[0] = PyStackRef_FromPyObjectNew(method);
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callable[0] = PyStackRef_FromPyObjectNew(method);
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(temp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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@ -6538,9 +6507,6 @@
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}
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// _MONITOR_CALL_KW
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{
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args = &stack_pointer[-1 - oparg];
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self_or_null = &stack_pointer[-2 - oparg];
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callable = &stack_pointer[-3 - oparg];
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int is_meth = !PyStackRef_IsNull(self_or_null[0]);
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PyObject *arg;
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if (is_meth) {
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@ -6591,14 +6557,12 @@
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arguments, positional_args, kwnames_o, frame
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);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer += -1;
|
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stack_pointer += -3 - oparg;
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assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(kwnames);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
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// Sync stack explicitly since we leave using DISPATCH_INLINED().
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stack_pointer += -2 - oparg;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
// The frame has stolen all the arguments from the stack,
|
||||
// so there is no need to clean them up.
|
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if (new_frame == NULL) {
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@ -7873,7 +7837,6 @@
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stack_pointer[-1] = owner;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = attr;
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}
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// _PUSH_NULL_CONDITIONAL
|
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{
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@ -7942,7 +7905,6 @@
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stack_pointer[-1] = owner;
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PyStackRef_CLOSE(tmp);
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = attr;
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||||
}
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// _PUSH_NULL_CONDITIONAL
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{
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||||
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@ -8603,7 +8565,6 @@
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stack_pointer[-1] = owner;
|
||||
PyStackRef_CLOSE(tmp);
|
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stack_pointer = _PyFrame_GetStackPointer(frame);
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stack_pointer[-1] = attr;
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}
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/* Skip 5 cache entries */
|
||||
// _PUSH_NULL_CONDITIONAL
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||||
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@ -9655,13 +9616,12 @@
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|||
global_super_st = self_or_null;
|
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stack_pointer[-2] = global_super_st;
|
||||
PyStackRef_CLOSE(tmp);
|
||||
tmp = class_st;
|
||||
class_st = PyStackRef_NULL;
|
||||
stack_pointer[-1] = class_st;
|
||||
PyStackRef_CLOSE(tmp);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer += -1;
|
||||
assert(WITHIN_STACK_BOUNDS());
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_PyFrame_SetStackPointer(frame, stack_pointer);
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PyStackRef_CLOSE(class_st);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer += -1;
|
||||
stack_pointer += -2;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
attr = PyStackRef_FromPyObjectSteal(attr_o);
|
||||
stack_pointer[0] = attr;
|
||||
|
|
@ -9992,7 +9952,6 @@
|
|||
stack_pointer[-1] = value;
|
||||
PyStackRef_CLOSE(tmp);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer[-1] = b;
|
||||
}
|
||||
}
|
||||
// _POP_JUMP_IF_TRUE
|
||||
|
|
@ -10036,7 +9995,6 @@
|
|||
stack_pointer[-1] = value;
|
||||
PyStackRef_CLOSE(tmp);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer[-1] = b;
|
||||
}
|
||||
}
|
||||
// _POP_JUMP_IF_FALSE
|
||||
|
|
@ -11611,7 +11569,6 @@
|
|||
stack_pointer[-1] = value;
|
||||
PyStackRef_CLOSE(tmp);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer[-1] = res;
|
||||
DISPATCH();
|
||||
}
|
||||
|
||||
|
|
@ -11880,13 +11837,11 @@
|
|||
*values++ = PyStackRef_FromPyObjectNew(items[i]);
|
||||
}
|
||||
UNLOCK_OBJECT(seq_o);
|
||||
stack_pointer += -1;
|
||||
stack_pointer += -1 + oparg;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
_PyFrame_SetStackPointer(frame, stack_pointer);
|
||||
PyStackRef_CLOSE(seq);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer += oparg;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
DISPATCH();
|
||||
}
|
||||
|
||||
|
|
@ -11922,13 +11877,11 @@
|
|||
for (int i = oparg; --i >= 0; ) {
|
||||
*values++ = PyStackRef_FromPyObjectNew(items[i]);
|
||||
}
|
||||
stack_pointer += -1;
|
||||
stack_pointer += -1 + oparg;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
_PyFrame_SetStackPointer(frame, stack_pointer);
|
||||
PyStackRef_CLOSE(seq);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer += oparg;
|
||||
assert(WITHIN_STACK_BOUNDS());
|
||||
DISPATCH();
|
||||
}
|
||||
|
||||
|
|
@ -11970,6 +11923,7 @@
|
|||
_PyFrame_SetStackPointer(frame, stack_pointer);
|
||||
PyStackRef_CLOSE(seq);
|
||||
stack_pointer = _PyFrame_GetStackPointer(frame);
|
||||
stack_pointer[-1] = val0;
|
||||
DISPATCH();
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue