Minor changes plus updates to O3.

Minor changes plus updates to O3.

cpu/base.cc:
    Have output message regardless of build.
cpu/checker/cpu_builder.cc:
cpu/checker/o3_cpu_builder.cc:
    Be sure to include all parameters.
cpu/o3/cpu.cc:
    IEW also needs to switch out.
cpu/o3/iew_impl.hh:
    Handle stores with faults properly.
cpu/o3/inst_queue_impl.hh:
    Switch out properly, handle squashing properly.
cpu/o3/lsq_unit_impl.hh:
    Minor fixes.
cpu/o3/mem_dep_unit_impl.hh:
    Make sure mem dep unit is switched out properly.
cpu/o3/rename_impl.hh:
    Switch out fix.

--HG--
extra : convert_revision : b94deb83f724225c01166c84a1b3fdd3543cbe9a