#usage: ./peephole-gen profiles/* |head -500 >peeprules.vmg
#selection criteria:
#- 2<= length <= 5 (NF>2 && NF<9)
#- at least in 1 profile ($1>0)
#- sorted by static count (sort -snrk2)
#- tie-breaker: prefer shorter sequence (sort -k4)
awk -f stat.awk $* >peephole-statistics
fgrep -v -f peephole-blacklist peephole-statistics |
awk 'NF>4 && NF<9 && $1>0'|
sort -k4|sort -snrk 2|
awk -f seq2rule.awk
#fgrep -v -f peephole-blacklist peephole-statistics |awk 'NF<9 && $1>1'|sort -sr -n -k 2 |head -100|sort -k 4|awk -f seq2rule.awk