A practical and efficient method for compare-point matching

  • Authors:
  • Demos Anastasakis;Robert Damiano;Hi-Keung Tony Ma;Ted Stanion

  • Affiliations:
  • Synopsys Inc.;Synopsys Inc.;Synopsys Inc.;Synopsys Inc.

  • Venue:
  • Proceedings of the 39th annual Design Automation Conference
  • Year:
  • 2002

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Abstract

An important step in using combinational equivalence checkers to verify sequential designs is identifying and matching corresponding compare-points in the two sequential designs to be verified. Both non-function and function-based matching methods are usually employed in commercial verification tools. In this paper, we describe a heuristic algorithm using ATPG for matching compare-points based on the functionality of the combinational blocks in the sequential designs. Results on industrial-sized circuits show our methods are both practical and efficient.