* Philip Hands <p...@hands.com>, 2015-10-06, 09:35:
 sed -ne '/^flags\t/{s/\b\(fpu\|tsc\|cx8\|cmov\)\b/%/g;s/[^%]*//g;s/%%%%/i686 
SUPPORTED/p}' /proc/cpuinfo

Or a more readable version:

[ $(lscpu | grep ^Flags: | grep -owE 'fpu|tsc|cx8|cmov' | wc -l) = 4 ] && echo 
i686 SUPPORTED

--
Jakub Wilk

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