now our binutils is completely broken....
make nonreg gives :
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 /opt/zeta/bin/zeta-unknown-linux-as     -o non-reg1.o non-reg1.s
 non-reg1.s: Assembler messages:
 non-reg1.s:11: Error: can't find opcode
 non-reg1.s:11: Error: unknown opcode
 ...
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