PATCH: Request for comments

[Jeffrey A Law]

  In message < 19990625122926.I23285@cygnus.com >you write:
  > On Fri, Jun 25, 1999 at 10:12:57AM -0600, Jeffrey A Law wrote:
  > > +       new_x = gen_reg_rtx (Pmode);
  > > +       new_y = gen_reg_rtx (Pmode);
  > > +       new_size = gen_reg_rtx (TYPE_MODE (sizetype));
  > > +       emit_move_insn (new_x, force_operand (XEXP (x, 0), NULL_RTX));
  > > +       emit_move_insn (new_y, force_operand (XEXP (y, 0), NULL_RTX));
  > > +       emit_move_insn (new_size, force_operand (new_size, NULL_RTX));
  > 
  > These pairs are copy_to_mode_reg.
Yup.

Also note, that clear_storage has the same underlying problem that
expand_block_move has.  So I need to make corresponding changes to that
routine too.
jeff