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().
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Victor Stinner 2020-06-08 16:30:33 +02:00 committed by GitHub
parent 301f0d4ff9
commit c6b292cdee
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11 changed files with 108 additions and 39 deletions

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@ -17,7 +17,7 @@
/* SHA objects */
#include "Python.h"
#include "pycore_byteswap.h" // _Py_bswap32()
#include "pycore_bitutils.h" // _Py_bswap32()
#include "structmember.h" // PyMemberDef
#include "hashlib.h"
#include "pystrhex.h"