1.3.7 ModelSim ME Pro and QuestaSim Pro ME Simulator Tools Upgrade

The Libero SoC v2025.1 release supports the upgraded v2024.3 versions of ModelSim ME Pro and QuestaSim ME simulation tools.

To enable better simulation runtime, QuestaSim ME optimizes designs during compilation by default. This optimization can sometimes result in the removal of signals or objects that the user might want to observe during simulation. The historical vsim argument called -novopt is now deprecated; instead, the simulator supports the -voptargs parameter, which allows users to add arguments that specify the level of optimization applied and the level of design object visibility during simulation. For example, the vsim argument -voptargs=+acc can be used to enable access to design objects that might otherwise be optimized away. For additional information, refer to the appropriate user guide from Siemens EDA (formerly Mentor Graphics).