Patch for PR target/32963 (Problem with caller save registers)

[Steve Ellcey]

> > 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
> > 
> > 	PR target/32963
> > 	caller-save.c (reg_save_code): Set invalide status on restore code.
> 
> Oops, thanks for noticing - I originally wanted to handle
> saving/restoring insn computation completely independently but later
> decided to merge it as they are always used in pairs anyway.
> 
> I would say that this patch can be declared obvious.
> 
> Thanks,
> Honza

OK, I will check it in then.

Steve Ellcey
sje@cup.hp.com