* config/epiphany/epiphany.c (set_lr_slot_offset): For
        frame_offset_known case, fix assert and calculate appropriate
        lr_slot_offset.
        (epiphany_compute_frame_size): Avoid getting a split/unaligned trace.
        (epiphany_emit_save_restore): Don't worry about last_saved if
        reg_size is aligned.
        * config/epiphany/predicates.md (trace_operand): Verify that address
        is a PLUS or REG.