When using GCC 9 and GCC 12 on the arm64 platform of ubuntu 2004, the command "gcc -mcpu=native -E -v -" fails to detect the correct CPU flags, which results in compilation failures for certain extended instructions, but the correct CPU flags can be obtained by using gcc -march. Signed-off-by: lizhenneng <lizhenneng@kylinos.cn> Co-authored-by: lizhenneng <lizhenneng@kylinos.cn> |
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