Re: worst case register classes (Was: Re: IRA_COVER_CLASSES for m32c)

> I think our mxp is more 'interesting'. [snip] I think it's more like 'insane', :-) and a miracle that a retargetable compiler can be ported to it. Paolo

worst case register classes (Was: Re: IRA_COVER_CLASSES for m32c)

As I've said before, m32c is probably a "worst case" scenario for gcc as it has not one, not two, not even three, but FOUR different types of registers (8/16 bit general, 16 bit only general, 24 bit address registers, and control (incl $fp) registers), and only a small number (2) of each. I think