frv.h (IRA_COVER_CLASSES): Define.

frv.h (IRA_COVER_CLASSES): Define.

* config/frv/frv.h (IRA_COVER_CLASSES): Define.
  (SECONDARY_INPUT_RELOAD_CLASS): Omit unused argument in call
  to frv_secondary_reload_class.
  (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
  * config/frv/frv.c (TARGET_SECONDARY_RELOAD): Define.
  (frv_secondary_reload_class): Omit unused parameter.
  (frv_secondary_reload): New function.  Handle the case when
  secondary_reload_class() is called before the reload_(in|out)
  _optabs have been initialised.
  * config/frv/frv-protos.h (frv_secondary_reload_class): Omit
  unused parameter.
  * config/frv/frv.md: Define an exclusion set between fr550_m0
  and fr550_f0.

From-SVN: r140452