RE: [sv-bc] Const cast of Mantis 2398

Yes, that is correct.
 
Shalom


________________________________

	From: owner-sv-bc@server.eda.org
[mailto:owner-sv-bc@server.eda.org] On Behalf Of Brad Pierce
	Sent: Wednesday, August 13, 2008 9:34 AM
	To: sv-bc@server.eda.org
	Subject: [sv-bc] Const cast of Mantis 2398
	
	

	As I understand the new const'() cast of

	 

	   http://www.eda-stds.org/svdb/view.php?id=2398

	 

	the following part-select would be illegal

	 

	       for (int i = 3; i >= 0; i--) begin

	      y[ const'(i)*2 + 1 : const'(i)*2 ] = i;

	   end

	 

	because const'(i) would be like a simulation-time const
variable, not like an elaboration-time constant expression.

	 

	An expression may be changed to a constant with a const cast.

	 

	             const'(x)

	 

	When casting an expression as a constant, the type of the
expression to be cast shall pass through unchanged. The only effect is
to treat the value as though it had been used to define a const variable
of the type of the expression.

	 

	Correct understanding?

	 

	n  Brad


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