disable CPU backend flag, as there is no current implementation
disable CPU backend flag, as there is no current implementation

Ignore-this: 4f46afbfcd3bb1e8136eb4dd494b926d

darcs-hash:20100511062753-9241b-0f5f36524334a9401d160d43ca53dca74cb23e72.gz

tmcdonell/hfx,tmcdonell/hfx,tmcdonell/hfx