Method and system for measuring branch passing coverage in micro

Details Method and system for measuring branch passing coverage in micro Method and system for measuring branch passing coverage in micro

1994-12-22

1996-05-07

Bowler, Alyssa H.

Boots, shoes, and leggings

395800, 3642613, 3642643, 364DIG1, G06F 9455

Patent

active

055155278

ABSTRACT:
In order to measure coverage of branching passes in a microprogram executed in a logic simulator, a first and a second memories are connected to a simulation executor. The first and the second memories hold, as a current and a latest step numbers, numbers of two instruction steps in the microprogram which are currently and latest executed by the simulation executor, respectively. When a pair of the current and the latest step number is coincident with one of the branching passes held in a branch table for holding information representative of each of the branching instruction steps and a coverage table for writing a passing time number for each of the branching passes, the passing time number is renewed. The coverage is computed from the passing time numbers written in the coverage table after the simulation is completed.

REFERENCES:
patent: 4860197 (1989-08-01), Langendorf et al.
patent: 4924429 (1990-05-01), Kurashita et al.
patent: 5228131 (1993-07-01), Ueda et al.
patent: 5283873 (1994-02-01), Steely, Jr. et al.

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