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Author SHA1 Message Date
Victor Stinner
c6b292cdee
bpo-29882: Add _Py_popcount32() function (GH-20518) 
* Rename pycore_byteswap.h to pycore_bitutils.h.
* Move popcount_digit() to pycore_bitutils.h as _Py_popcount32().
* _Py_popcount32() uses GCC and clang builtin function if available.
* Add unit tests to _Py_popcount32().
 2020-06-08 16:30:33 +02:00
Victor Stinner
1ae035b7e8
bpo-40302: Add pycore_byteswap.h header file (GH-19552) 
Add a new internal pycore_byteswap.h header file with the following
functions:

* _Py_bswap16()
* _Py_bswap32()
* _Py_bswap64()

Use these functions in _ctypes, sha256 and sha512 modules,
and also use in the UTF-32 encoder.

sha256, sha512 and _ctypes modules are now built with the internal
C API.
 2020-04-17 17:47:20 +02:00