Optimize bitcount command by using popcnt (#13359)
Nowadays popcnt instruction is almost supported by X86 machine, which is used to calculate "Hamming weight", it can bring much performance boost in redis bitcount comand. --------- Signed-off-by: hanhui365(hanhui@hygon.cn) Co-authored-by:debing.sun <debing.sun@redis.com> Co-authored-by:
oranagra <oran@redislabs.com> Co-authored-by:
Nugine <nugine@foxmail.com>
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