Recheck options compile for GCC10

there is a report bug on GCC10 ( 10.2 )
after theses series benchmarks
https://www.phoronix.com/scan.php?page=article&item=gcc-10900k-compiler&num=1
if you use -O2 option , add always ( -march= )
in case of march is not know , only older instructions from amd64 will be used

report bug
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337

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