[sim/mips] Proposed change to mips_core_signal

[Ben Elliston]

Chris G. Demetriou writes:

 > > I am working on a simulator port to a MIPS-like core that has a vector
 > > processing unit.  To produce more helpful diagnostic messages, it
 > > would useful if mips_core_signal() could differentiate between scalar
 > > memory transfers and vector memory transfers.

 > > Are there any objections to adding two new elements to the
 > > _transfer_type enum in sim-basics.h to identify such transfers?

 > I have no problem with it, but it's not clear that I know enough to
 > object.

I've found a cleaner way of implementing this that does not affect
sim/common code.  Forget this thread ever existed!

Cheers, Ben