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Revert "bpo-46131: add fastpath for PyFloat_Check() (GH-30200)" (GH-30208)

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This reverts commit 2ef06d4125.
This commit is contained in:
Raymond Hettinger 2021-12-19 15:05:46 -06:00 committed by GitHub
parent 2ef06d4125
commit 29ea68bd1d
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 0 additions and 23 deletions
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1
Doc/c-api/typeobj.rst
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@ -1145,7 +1145,6 @@ and :c:type:`PyType_Type` effectively act as defaults.)
.. XXX Document more flags here?
.. data:: Py_TPFLAGS_FLOAT_SUBCLASS
.. data:: Py_TPFLAGS_LONG_SUBCLASS
.. data:: Py_TPFLAGS_LIST_SUBCLASS
.. data:: Py_TPFLAGS_TUPLE_SUBCLASS

2
Include/floatobject.h
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@ -14,8 +14,6 @@ extern "C" {
PyAPI_DATA(PyTypeObject) PyFloat_Type;
#define PyFloat_Check(op) PyObject_TypeCheck(op, &PyFloat_Type)
#define PyFloat_Check(op) \
PyType_FastSubclass(Py_TYPE(op), Py_TPFLAGS_FLOAT_SUBCLASS)
#define PyFloat_CheckExact(op) Py_IS_TYPE(op, &PyFloat_Type)
#ifdef Py_NAN

1
Include/object.h
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@ -397,7 +397,6 @@ given type object has a specified feature.
#define _Py_TPFLAGS_MATCH_SELF (1UL << 22)
/* These flags are used to determine if a type is a subclass. */
#define Py_TPFLAGS_FLOAT_SUBCLASS (1UL << 23)
#define Py_TPFLAGS_LONG_SUBCLASS (1UL << 24)
#define Py_TPFLAGS_LIST_SUBCLASS (1UL << 25)
#define Py_TPFLAGS_TUPLE_SUBCLASS (1UL << 26)

2
Misc/NEWS.d/next/C API/2021-12-19-13-02-59.bpo-46131.ZBWQtO.rst
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@ -1,2 +0,0 @@
Add a fast path for ``PyFloat_Check`` via a ``Py_TPFLAGS_FLOAT_SUBCLASS``
flag.

1
Objects/floatobject.c
View File

@ -1959,7 +1959,6 @@ PyTypeObject PyFloat_Type = {
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE |
Py_TPFLAGS_FLOAT_SUBCLASS |
_Py_TPFLAGS_MATCH_SELF, /* tp_flags */
float_new__doc__, /* tp_doc */
0, /* tp_traverse */

3
Objects/typeobject.c
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@ -5783,9 +5783,6 @@ inherit_special(PyTypeObject *type, PyTypeObject *base)
else if (PyType_IsSubtype(base, &PyDict_Type)) {
type->tp_flags |= Py_TPFLAGS_DICT_SUBCLASS;
}
else if (PyType_IsSubtype(base, &PyFloat_Type)) {
type->tp_flags |= Py_TPFLAGS_FLOAT_SUBCLASS;
}
if (PyType_HasFeature(base, _Py_TPFLAGS_MATCH_SELF)) {
type->tp_flags |= _Py_TPFLAGS_MATCH_SELF;
}

13
Tools/gdb/libpython.py
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@ -85,7 +85,6 @@ _is_pep393 = None
Py_TPFLAGS_MANAGED_DICT = (1 << 4)
Py_TPFLAGS_HEAPTYPE = (1 << 9)
Py_TPFLAGS_FLOAT_SUBCLASS = (1 << 23)
Py_TPFLAGS_LONG_SUBCLASS = (1 << 24)
Py_TPFLAGS_LIST_SUBCLASS = (1 << 25)
Py_TPFLAGS_TUPLE_SUBCLASS = (1 << 26)
@ -380,8 +379,6 @@ class PyObjectPtr(object):
if tp_flags & Py_TPFLAGS_HEAPTYPE:
return HeapTypeObjectPtr
if tp_flags & Py_TPFLAGS_FLOAT_SUBCLASS:
return PyFloatObjectPtr
if tp_flags & Py_TPFLAGS_LONG_SUBCLASS:
return PyLongObjectPtr
if tp_flags & Py_TPFLAGS_LIST_SUBCLASS:
@ -913,16 +910,6 @@ class PyNoneStructPtr(PyObjectPtr):
def proxyval(self, visited):
return None
class PyFloatObjectPtr(PyObjectPtr):
_typename = 'PyFloatObject'
def proxyval(self, visited):
return self.field('ob_fval')
def write_repr(self, out, visited):
proxy = self.proxyval(visited)
out.write("%s" % proxy)
class PyFrameObjectPtr(PyObjectPtr):
_typename = 'PyFrameObject'