Andrew Stubbs wrote:
> Hi all,
> 
> The SH port does not currently define any register groups. Instead, it 
> just relies on the default in reggroup.c. This is not quite adequate as 
> it is not always clear from the type where a register should naturally 
> sit. In particular the 'fv' vector registers are classified as general, 
> not float or vector.
> 
> The attached patch adds a function to do the register classification.
> 
> It does not know about all the registers of sh2a or any of the dsp 
> variants (because I don't), but should not make the situation any worse 
> for those.

Is this patch OK?

I attach an updated patch with the Makefile properly adjusted.

Andrew Stubbs