[issue29259] Add tp_fastcall to PyTypeObject: support FASTCALL calling convention for all callable objects
STINNER Victor
report at bugs.python.org
Fri Jan 13 10:13:29 EST 2017
STINNER Victor added the comment:
Ok, here is a first patch: tp_fastcall.patch
* Add tp_fastcall to PyTypeObject
* Add fastcall_wrapper() and use it for tp_call in PyType_Ready()
* Modify _PyObject_FastCallDict() and _PyObject_FastCallKeywords() to use tp_fastcall if defined
* Modify a lot of types to define tp_fastcall instead of tp_call (to use FASTCALL calling convention)
* Add a few new helper functions:
- _PyObject_FastCall_Prepend() -- similar to _PyObject_Call_Prepend()
- _Py_FastCall_FromArgs() -- ugly name, sorry about that, it should be renamed :-)
- PyArg_UnpackStack() -- similar to PyArg_UnpackTuple()
- _PyArg_NoStackKeywords() -- similar to _PyArg_NoKeywords
Hum, I should make sure that these new functions are not public. By the way, I should probably rename PyArg_UnpackStack() to _PyArg_UnpackStack().
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keywords: +patch
Added file: http://bugs.python.org/file46281/tp_fastcall.patch
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