SUBREGs

[Jeffrey A Law]

  In message < 199809160545.WAA18568@dm.cobaltmicro.com >you write:
  >    I don't think we have to worry about such large values being held in
  >    a SUBREG/REG.  Seriously, do we really forsee a REG/SUBREG with a
  >    size that approaches 1/8 of the address space for the target?  That's
  >    a little absurd.
  > 
  > I think the original problem is that you could see a BLKmode SUBREG.
!?!  That's shouldn't be happening since there's no size associated
with BLKmode.

  > Or similarly, what about paradoxical and MEM subregging?
I don't see how either of these cause problems.

(subreg:BIGMODE (reg: SI) 0)

Should work just as before if you specify the size of the subreg.

jeff