* config/pdp11/pdp11-protos.h (output_move_double,
output_move_quad): Delete.
(output_move_multiple, pdp11_expand_operands): New functions.
(pdp11_action, pdp11_partorder): New enums.
* config/pdp11/pdp11.md (movdi, movsi, movdf, movsf): Use
output_move_multiple.
(adddi3, subdi3, negdi2): New patterns.
(addsi3, subsi3, negsi2): Use pdp11_expand_operands.
(abshi2): Delete.
(neghi2, negqi2): Use PDPint iterator.
* config/pdp11/pdp11.c (find_addr_reg, output_move_double,
output_move_quad): Delete. 
(pdp11_expand_operands, output_move_multiple): New functions.

From-SVN: r167676