* pa-protos.h (hppa_fpstore_bypass_p): Declare.
        * pa.c (pa_adjust_cost): Remove all true dependency cost
        adjustments.  Also remove support for non-DFA scheduling.
        * pa.md (700, 7100, 7100lc, 7200, 7300): Use bypass mechanism
        to adjust true dependency costs.  Update various comments.
        (7100lc, 7200, 7300 scheduling): Simplify by combining the
        FP ALU & MPY units into a single unit.

From-SVN: r53227