Ma Lin <malin...@163.com> added the comment:
VC2017 optimizes multiple `unsigned char)((c) & 0xff` to a single `movzx` operation, maybe other compilers do it as well. If so, there will be no performance changes. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue37752> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com