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040000 tree 8be0b44d857a8d8218d6675f9dbc5206d260615d	adder_trees
040000 tree 0ca46830694c75e1c5cda33f5e7bba54d92f0799	cmu_DFT
040000 tree 20f676cdd7f5c76bec347e2d663e935447855bab	figure_8
040000 tree 74bd4fe8e80884bccfb177c7f873e5e167a9acc7	multless_consts
040000 tree 45f0cdb4b6310398dd31401d51fef652aaee8e3f	opencores