RE: [sv-bc] Array query functions on interface port and instance array

Your failures seem to be tool limitations, not language restrictions.

Shalom 


> SV 2009 draft 7a LRM has described array query functions in 
> "20.7 Array 
> querying functions" which uses reference of clause 7 where 
> the unpacked 
> array is defined. The clause 7 defines unpacked arrays of 
> different data 
> types. But it is not clear what will be the expected behavior 
> of array 
> query functions if they are applied on instance array of 
> interface port 
> array. For the following case what will be the expected behavior?
> 
> interface a;
> endinterface
> module test(in1,in2,out);
> input [7:0] in1,in2;
> output reg [7:0]out;
> 
> a a[3:0]();
> assign out = $size(a);
> bottom inst(a);
> endmodule
> 
> module bottom(a a[4]);
> byte out;
> assign out = $size(a);
> endmodule
> 
> Some simulators fail and some pass for the above case.
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Intel Israel (74) Limited

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