REDUSA: module generation by automatic elimination of superfluous blocks in regular structures

An approach to module generation that does not require the construction of parametrized software procedures is presented. It is a design-by-example method that is based on the following concept: an example module (e.g., a 16-b multiplier) realizes a function between the set of input combinations and the set of output combinations. In many applications, only a subset of input combinations (e.g., 8-b instead of 16-b inputs) is used. The restriction of the module´s function to this subset can be realized by a simpler module. REDUSA constructs this module automatically by a reduction of the example module. This approach offers important advantages in both the construction and verification aspected of module generators