build.mk alloc.c alloc.h assert.h backward.c cleanup.c ext.h flow.c getline.c line.h lookup.c lookup.h main.c mktab.y optim.h param.h pattern.h patterns peephole.c pop_push.awk pop_push.h process.c proinf.h putline.c reg.c scan.l tes.c tes.h special.c testopt types.h util.c var.c em_opt.6