> 1004b6cc:	68b80000 	ldl	t8,0(a1)	; Mips strange but clever way to load a possibly unaligned doubleword into t8.
> 1004b6d0:	6cb80007 	ldr	t8,7(a1)	

Too clever for me apparently.
Of course on a little endian CPU that must be :

ldl t8,7(a1)
ldr t8,0(a1)

This problem is gone.
Now camlp4 is compiled, and unison seams to work.

Im going to try it on all Ocaml programs I can find to stress it a
little bit.

:-)