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authorVictor Stinner <vstinner@python.org>2020-06-08 14:30:33 (GMT)
committerGitHub <noreply@github.com>2020-06-08 14:30:33 (GMT)
commitc6b292cdeee689f0bfac6c1e2c2d4e4e01fa8d9e (patch)
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parent301f0d4ff9b6bd60599eea0612904f65a92e6dd9 (diff)
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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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