run
-ifmt VHDL
-ent spiloopmem_top
-p xc6slx45-csg324-2
-ifn xst.prj
-write_timing_constraints No
-iobuf YES
-max_fanout 100
-ofn spiloopmem_top 
-ofmt NGC
-bus_delimiter ()
-hierarchy_separator /
-case Maintain
