pa.c (pa_adjust_insn_length): dbra and movb insns which have their output in a FP register do not need adjustment.

        * pa.c (pa_adjust_insn_length): dbra and movb insns which have
        their output in a FP register do not need adjustment.
        (output_cbranch, output_bb): Handle conditional jump to the
        following instruction.
        (output_dbra): New function extracted from dbra pattern.
        (output_movb): New function.
        (eq_neq_comparison_operator): New function.
        (movb_comparison_operator): New function.

From-SVN: r4888