mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-07 19:35:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

GH-132508: Use tagged integers on the evaluation stack for the last instruction offset (GH-132545)

Browse source
This commit is contained in:
Mark Shannon 2025-04-29 18:00:35 +01:00 • committed by GitHub
parent caee16f052
commit ccf1b0b1c1
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
14 changed files with 129 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

24
Python/generated_cases.c.h generated
View file

@ -10191,20 +10191,7 @@
PyObject *exc = PyStackRef_AsPyObjectSteal(exc_st);
assert(oparg >= 0 && oparg <= 2);
if (oparg) {
PyObject *lasti = PyStackRef_AsPyObjectBorrow(values[0]);
if (PyLong_Check(lasti)) {
frame->instr_ptr = _PyFrame_GetBytecode(frame) + PyLong_AsLong(lasti);
assert(!_PyErr_Occurred(tstate));
}
else {
stack_pointer += -1;
assert(WITHIN_STACK_BOUNDS());
_PyFrame_SetStackPointer(frame, stack_pointer);
_PyErr_SetString(tstate, PyExc_SystemError, "lasti is not an int");
Py_DECREF(exc);
stack_pointer = _PyFrame_GetStackPointer(frame);
JUMP_TO_LABEL(error);
}
frame->instr_ptr = _PyFrame_GetBytecode(frame) + PyStackRef_UntagInt(values[0]);
}
assert(exc && PyExceptionInstance_Check(exc));
stack_pointer += -1;
@ -12059,7 +12046,7 @@
if (tb == NULL) {
tb = Py_None;
}
assert(PyStackRef_LongCheck(lasti));
assert(PyStackRef_IsTaggedInt(lasti));
(void)lasti;
PyObject *stack[5] = {NULL, PyStackRef_AsPyObjectBorrow(exit_self), exc, val_o, tb};
int has_self = !PyStackRef_IsNull(exit_self);
@ -12231,11 +12218,8 @@ JUMP_TO_LABEL(error);
}
if (lasti) {
int frame_lasti = _PyInterpreterFrame_LASTI(frame);
PyObject *lasti = PyLong_FromLong(frame_lasti);
if (lasti == NULL) {
JUMP_TO_LABEL(exception_unwind);
}
_PyFrame_StackPush(frame, PyStackRef_FromPyObjectSteal(lasti));
_PyStackRef lasti = PyStackRef_TagInt(frame_lasti);
_PyFrame_StackPush(frame, lasti);
}
PyObject *exc = _PyErr_GetRaisedException(tstate);
_PyFrame_StackPush(frame, PyStackRef_FromPyObjectSteal(exc));