$ git clone -n https://gitee.com/src-anolis-os/zlib /var/lib/mock/dist-an8.7-build-122336-46089/root/chroot_tmpdir/scmroot/zlib Cloning into '/var/lib/mock/dist-an8.7-build-122336-46089/root/chroot_tmpdir/scmroot/zlib'... $ git reset --hard origin/a8 HEAD is now at 8e2e5fa Using crc_mix that has been implemented by the arm community, and using the cooperation of the crc32 instruction and the pmul instruction, the cpu pipeline efficiency can be improved. According to the arm community and local tests, the interface is increased by 30% when the string is more than 1k. upstream link: https://github.com/intel/isa-l/blob/master/crc/aarch64/crc32_common_mix_neoverse_n1.S