calls.c (precompute_register_parameters): Force all PARALLELs into pseudo registers.

        * calls.c (precompute_register_parameters): Force all PARALLELs
        into pseudo registers.
        (load_register_parameters): Copy PARALLELs into hard registers.
        * function.c (assign_parm_setup_block): Copy PARALLELS into
        pseudo registers.  Do emit_group_store in conversion_insns.
        * expr.c (emit_group_load_1): Rename from emit_group_load, take
        tmps as an argument.  Move final copy loop ...
        (emit_group_load): ... here.  New function.
        (emit_group_load_into_temps, emit_group_move_into_temps): New.
        * expr.h: Declare them.

From-SVN: r90613