diff options
Diffstat (limited to 'Python/pylifecycle.c')
-rw-r--r-- | Python/pylifecycle.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/Python/pylifecycle.c b/Python/pylifecycle.c index 790398e944f..7726ccc979d 100644 --- a/Python/pylifecycle.c +++ b/Python/pylifecycle.c @@ -624,9 +624,11 @@ static int builtins_dict_watcher(PyDict_WatchEvent event, PyObject *dict, PyObject *key, PyObject *new_value) { PyInterpreterState *interp = _PyInterpreterState_GET(); +#ifdef _Py_TIER2 if (interp->rare_events.builtin_dict < _Py_MAX_ALLOWED_BUILTINS_MODIFICATIONS) { _Py_Executors_InvalidateAll(interp, 1); } +#endif RARE_EVENT_INTERP_INC(interp, builtin_dict); return 0; } @@ -1272,30 +1274,30 @@ init_interp_main(PyThreadState *tstate) } // Turn on experimental tier 2 (uops-based) optimizer + // This is also needed when the JIT is enabled +#ifdef _Py_TIER2 if (is_main_interp) { -#ifndef _Py_JIT - // No JIT, maybe use the tier two interpreter: - char *envvar = Py_GETENV("PYTHON_UOPS"); - int enabled = envvar != NULL && *envvar > '0'; - if (_Py_get_xoption(&config->xoptions, L"uops") != NULL) { - enabled = 1; + int enabled = 1; +#if _Py_TIER2 & 2 + enabled = 0; +#endif + char *env = Py_GETENV("PYTHON_JIT"); + if (env && *env != '\0') { + // PYTHON_JIT=0|1 overrides the default + enabled = *env != '0'; } if (enabled) { -#else - // Always enable tier two for JIT builds (ignoring the environment - // variable and command-line option above): - if (true) { -#endif PyObject *opt = PyUnstable_Optimizer_NewUOpOptimizer(); if (opt == NULL) { return _PyStatus_ERR("can't initialize optimizer"); } if (PyUnstable_SetOptimizer((_PyOptimizerObject *)opt)) { - return _PyStatus_ERR("can't initialize optimizer"); + return _PyStatus_ERR("can't install optimizer"); } Py_DECREF(opt); } } +#endif if (!is_main_interp) { // The main interpreter is handled in Py_Main(), for now. @@ -1655,10 +1657,12 @@ finalize_modules(PyThreadState *tstate) { PyInterpreterState *interp = tstate->interp; +#ifdef _Py_TIER2 // Invalidate all executors and turn off tier 2 optimizer _Py_Executors_InvalidateAll(interp, 0); _PyOptimizerObject *old = _Py_SetOptimizer(interp, NULL); Py_XDECREF(old); +#endif // Stop watching __builtin__ modifications PyDict_Unwatch(0, interp->builtins); |