RE: always_comb semantics


Subject: RE: always_comb semantics
From: Karen Pieper (Karen.Pieper@synopsys.com)
Date: Thu Oct 03 2002 - 13:57:32 PDT


>
> Can I infer then, that a simulator should treat always_ff,
> always_comb and always in exactly the same manner as one another?

Again, as Gord's indicated earlier, the always_* constructs are different
because

         The sensitivity list is calculated differently.
         The initialization is calculated differently.
         The error checking is more strict.

         Thus, the simulation behavior is different.

> If so, then I would support making this distinction an attribute
> rather than a new construct in the language.

         Sorry, I don't think this is that easy......

         Karen



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