Compiler options for VITAL optimization

Several vcom options control and provide feedback on VITAL optimization:

-O0 | -O4

Lower the optimization to a minimum with -O0 (capital oh zero). Optional. Use this to work around bugs, increase your debugging visibility on a specific cell, or when you want to place breakpoints on source lines that have been optimized out.

Enable optimizations with -O4 (default).

-debugVA

Prints a confirmation if a VITAL cell was optimized, or an explanation of why it was not, during VITAL level1 acceleration.

-vital2000

Turns on acceleration for the VITAL 2000 vital_memory package.

ModelSim VITAL built-ins will be updated in step with new releases of the VITAL packages.

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