benchmark/integer.nlz: add i{lz,tz,pop}cnt, ren bbs{r,f},bcpop -> ibs{r,f},bpopcount
benchmark/integer.nlz: add i{lz,tz,pop}cnt, ren bbs{r,f},bcpop -> ibs{r,f},bpopcount

akinomyoga/libmwg,akinomyoga/libmwg,akinomyoga/libmwg,akinomyoga/libmwg,akinomyoga/libmwg