Machine dependent:
	mac2defs
	macdefs
	
	local.c
	codegen.c
	code.c
	branch.c
Machine Independent:
	cgram.y
	comm1.c
	common
	manifest
	mfile1
	mfile2
	optim.c
	pftn.c
	reader.c
	scan.c
	trees.c
	xdefs.c
