* 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