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GH-125323: Convert DECREF_INPUTS_AND_REUSE_FLOAT into a function that takes PyStackRefs. (GH-125439)
1 parent 67f6e08 commit 06ca330

10 files changed

Lines changed: 69 additions & 44 deletions

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‎Include/internal/pycore_ceval.h‎

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Original file line numberDiff line numberDiff line change
@@ -316,6 +316,8 @@ _Py_eval_breaker_bit_is_set(PyThreadState *tstate, uintptr_t bit)
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void _Py_set_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
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void _Py_unset_eval_breaker_bit_all(PyInterpreterState *interp, uintptr_t bit);
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PyAPI_FUNC(PyObject *) _PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value);
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#ifdef __cplusplus
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}

‎Include/internal/pycore_opcode_metadata.h‎

Lines changed: 3 additions & 3 deletions
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‎Include/internal/pycore_stackref.h‎

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Original file line numberDiff line numberDiff line change
@@ -76,6 +76,13 @@ PyStackRef_AsPyObjectBorrow(_PyStackRef stackref)
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#define PyStackRef_IsDeferred(ref) (((ref).bits & Py_TAG_BITS) == Py_TAG_DEFERRED)
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static inline PyObject *
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PyStackRef_NotDeferred_AsPyObject(_PyStackRef stackref)
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{
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assert(!PyStackRef_IsDeferred(stackref));
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return (PyObject *)stackref.bits;
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}
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static inline PyObject *
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PyStackRef_AsPyObjectSteal(_PyStackRef stackref)
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{

‎Include/internal/pycore_uop_metadata.h‎

Lines changed: 3 additions & 3 deletions
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‎Objects/floatobject.c‎

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Original file line numberDiff line numberDiff line change
@@ -134,6 +134,41 @@ PyFloat_FromDouble(double fval)
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return (PyObject *) op;
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}
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#ifdef Py_GIL_DISABLED
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PyObject *_PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
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{
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PyStackRef_CLOSE(left);
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PyStackRef_CLOSE(right);
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return PyFloat_FromDouble(value);
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}
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#else // Py_GIL_DISABLED
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PyObject *_PyFloat_FromDouble_ConsumeInputs(_PyStackRef left, _PyStackRef right, double value)
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{
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PyObject *left_o = PyStackRef_AsPyObjectSteal(left);
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PyObject *right_o = PyStackRef_AsPyObjectSteal(right);
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if (Py_REFCNT(left_o) == 1) {
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((PyFloatObject *)left_o)->ob_fval = value;
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_Py_DECREF_SPECIALIZED(right_o, _PyFloat_ExactDealloc);
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return left_o;
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}
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else if (Py_REFCNT(right_o) == 1) {
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((PyFloatObject *)right_o)->ob_fval = value;
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_Py_DECREF_NO_DEALLOC(left_o);
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return right_o;
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}
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else {
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PyObject *result = PyFloat_FromDouble(value);
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_Py_DECREF_NO_DEALLOC(left_o);
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_Py_DECREF_NO_DEALLOC(right_o);
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return result;
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}
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}
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#endif // Py_GIL_DISABLED
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static PyObject *
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float_from_string_inner(const char *s, Py_ssize_t len, void *obj)
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{

‎Python/bytecodes.c‎

Lines changed: 6 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -539,9 +539,9 @@ dummy_func(
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double dres =
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((PyFloatObject *)left_o)->ob_fval *
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((PyFloatObject *)right_o)->ob_fval;
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PyObject *res_o;
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DECREF_INPUTS_AND_REUSE_FLOAT(left_o, right_o, dres, res_o);
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PyObject *res_o = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);
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INPUTS_DEAD();
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ERROR_IF(res_o == NULL, error);
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res = PyStackRef_FromPyObjectSteal(res_o);
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}
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@@ -553,9 +553,9 @@ dummy_func(
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double dres =
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((PyFloatObject *)left_o)->ob_fval +
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((PyFloatObject *)right_o)->ob_fval;
556-
PyObject *res_o;
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DECREF_INPUTS_AND_REUSE_FLOAT(left_o, right_o, dres, res_o);
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PyObject *res_o = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);
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INPUTS_DEAD();
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ERROR_IF(res_o == NULL, error);
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res = PyStackRef_FromPyObjectSteal(res_o);
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}
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@@ -567,9 +567,9 @@ dummy_func(
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double dres =
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((PyFloatObject *)left_o)->ob_fval -
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((PyFloatObject *)right_o)->ob_fval;
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PyObject *res_o;
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DECREF_INPUTS_AND_REUSE_FLOAT(left_o, right_o, dres, res_o);
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PyObject *res_o = _PyFloat_FromDouble_ConsumeInputs(left, right, dres);
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INPUTS_DEAD();
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ERROR_IF(res_o == NULL, error);
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res = PyStackRef_FromPyObjectSteal(res_o);
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}
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‎Python/ceval_macros.h‎

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Original file line numberDiff line numberDiff line change
@@ -327,26 +327,6 @@ GETITEM(PyObject *v, Py_ssize_t i) {
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" in enclosing scope"
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#define NAME_ERROR_MSG "name '%.200s' is not defined"
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#define DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dval, result) \
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do { \
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if (Py_REFCNT(left) == 1) { \
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((PyFloatObject *)left)->ob_fval = (dval); \
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_Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc);\
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result = (left); \
336-
} \
337-
else if (Py_REFCNT(right) == 1) {\
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((PyFloatObject *)right)->ob_fval = (dval); \
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_Py_DECREF_NO_DEALLOC(left); \
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result = (right); \
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}\
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else { \
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result = PyFloat_FromDouble(dval); \
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if ((result) == NULL) GOTO_ERROR(error); \
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_Py_DECREF_NO_DEALLOC(left); \
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_Py_DECREF_NO_DEALLOC(right); \
347-
} \
348-
} while (0)
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// If a trace function sets a new f_lineno and
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// *then* raises, we use the destination when searching
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// for an exception handler, displaying the traceback, and so on

‎Python/executor_cases.c.h‎

Lines changed: 6 additions & 6 deletions
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‎Python/generated_cases.c.h‎

Lines changed: 6 additions & 6 deletions
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‎Tools/cases_generator/analyzer.py‎

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Original file line numberDiff line numberDiff line change
@@ -575,6 +575,7 @@ def has_error_without_pop(op: parser.InstDef) -> bool:
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"_PyDictValues_AddToInsertionOrder",
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"_PyErr_Occurred",
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"_PyEval_FrameClearAndPop",
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"_PyFloat_FromDouble_ConsumeInputs",
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"_PyFrame_GetCode",
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"_PyFrame_IsIncomplete",
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"_PyFrame_PushUnchecked",

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