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GH-132532: Add new DSL macros to better declare semantics of exits at ends of instructions/uops. (GH-137098)

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Mark Shannon 2025-08-09 15:41:28 +01:00 • committed by GitHub
parent c744b57fd6
commit af15e1d13e
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15 changed files with 524 additions and 609 deletions
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38
Python/executor_cases.c.h generated
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@ -13,31 +13,25 @@
}
case _CHECK_PERIODIC: {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate);
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_HandlePending(tstate);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (err != 0) {
JUMP_TO_ERROR();
}
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = check_periodics(tstate);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (err != 0) {
JUMP_TO_ERROR();
}
break;
}
/* _CHECK_PERIODIC_AT_END is not a viable micro-op for tier 2 because it is replaced */
case _CHECK_PERIODIC_IF_NOT_YIELD_FROM: {
oparg = CURRENT_OPARG();
if ((oparg & RESUME_OPARG_LOCATION_MASK) < RESUME_AFTER_YIELD_FROM) {
_Py_CHECK_EMSCRIPTEN_SIGNALS_PERIODICALLY();
QSBR_QUIESCENT_STATE(tstate);
if (_Py_atomic_load_uintptr_relaxed(&tstate->eval_breaker) & _PY_EVAL_EVENTS_MASK) {
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_HandlePending(tstate);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (err != 0) {
JUMP_TO_ERROR();
}
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = check_periodics(tstate);
stack_pointer = _PyFrame_GetStackPointer(frame);
if (err != 0) {
JUMP_TO_ERROR();
}
}
break;
@ -7443,6 +7437,14 @@
break;
}
case _HANDLE_PENDING_AND_DEOPT: {
_PyFrame_SetStackPointer(frame, stack_pointer);
int err = _Py_HandlePending(tstate);
stack_pointer = _PyFrame_GetStackPointer(frame);
GOTO_TIER_ONE(err ? NULL : _PyFrame_GetBytecode(frame) + CURRENT_TARGET());
break;
}
case _ERROR_POP_N: {
oparg = CURRENT_OPARG();
uint32_t target = (uint32_t)CURRENT_OPERAND0();