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  3. Post-synthesis Simulation Failing when lp_insert_clock_gating...

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Post-synthesis Simulation Failing when lp_insert_clock_gating true

GGobieski
GGobieski over 6 years ago

When I enable clock gating in my synthesis flow (using Genus 18.15), my simulation (using Xcelium) on the post-synthesis netlist fails. The simulation succeeds pre-synthesis and also if I remove clock-gating in the design. I use set_db  lp_insert_clock_gating true to enable clock gating during synthesis. I printed out some of the signals from the netlist and can see where it fails (it incorrectly writes a register). However, I am not sure how to solve this issue or what I should be looking for. Any help would be appreciated. Thanks.

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  • GGobieski
    GGobieski over 6 years ago

    I have since solved the issue by changing the delay_mode in Xcelium to distributed.

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