Shift limits

Hi

In the 2.2 LRM, section 4.1.10, no comment is made on the effect of a 
shift when the right operand is greater than the width of the left 
operand. In the ISO C standard, 1999, this is undefined (section 6.5.7, 
para 3; C is also undefined for a negative right operand whereas the 
Verilog-AMS LRM specifies that the right operand is treated as unsigned).

Just a couple of examples:

integer i, j;

i = 1;
j = i << 32;

Is j undefined (like C) or 0? Same question for 'j = i >> 32;'.

Regards
Paul Floyd
-- 
Dr. Paul Floyd
Mentor Graphics Corporation


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