Tuple and changes for m68k with -malign-int

[Florian Weimer]

* James Le Cuirot:

> We think this warrants a new tuple, and we'd like to ensure that everyone gets
> behind the same one. It is currently m68k-*-gnu. Perhaps it could be
> m68k-*-gnu32 or m68k-*-gnu32a? I considered gnu32i (for int), but the flag
> actually affects floats and doubles too. I don't really care what it is
> though, so feel free to suggest something totally different.

Would it make sense to increase alignment for double and long long to 64
bits at the same time?  Or is that not needed because m68k has DCAS of
two 32-bit words?

Thanks,
Florian