Method and apparatus for use in the design and manufacture of integrated circuits

A method of manufacturing, using an integrated circuit manufacturing system, an integrated circuit for performing integer division, the method comprising:

• processing, using a layout processing system, a representation of an integrated circuit for performing integer division xl d where x is a variable integer and d is an invariant integer constant so as to generate a circuit layout description of an integrated circuit for performing integer division, the representation of the integrated circuit for performing integer division being generated in accordance with a method comprising:
• deriving, using a parameter creator, an integer triple (a,b,k) which satisfies Round(x/d)=(ax+b)/2k for a desired rounding mode, and
• generating, using a synthesis tool, the representation of the integrated circuit for manufacture of the integrated circuit, wherein the representation of the integrated circuit is generated using a representation of the logical operation (ax+b)/2k in accordance with the derived integer triple (a,b,k);
• and
• manufacturing, using an integrated circuit generation system, the integrated circuit for performing integer division according to the circuit layout description.