Do-first:

Things-to-keep:

Makefile.in
configure
configure.in
exit47.s
hello.s
loop.s
t-bsh.s
t-bsw.s
t-callt.s
t-ctret.s
t-hsw.s
t-ldsr.s
t-macros.i
t-sld.s
t-sxb.s
t-sxh.s
t-zxb.s
t-zxh.s

Things-to-lose:

Do-last: