Cortex A9 VFP Pipeline description.

Cortex A9 VFP Pipeline description.

2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
        * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
         (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
         (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
         generic part.
         (cortex_a9_sched_adjust_cost): New function.
         (xscale_sched_adjust_cost): New function.
        * config/arm/arm-protos.h (struct tune_params): New field
        sched_adjust_cost.
        * config/arm/arm-cores.def: Adjust costs for cortex-a9.

From-SVN: r162976