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quartus compile error Case choice must be a locally static expression

Altera_Forum
Honored Contributor II
‎01-05-2018 08:14 AM
1,593 Views

Hi, 

 

i compile a code in quartus that has case-when statements nested in a for loop and each value checked depends on the loop variable. 

Quartus complains on this with the error 'Case choice must be a locally static expression'.  

 

Is there any workaround for this problem? it would be manually hard to unroll the loops.  

I tried to change vhdl version to 2008 but did not help. I also saw some discussion on setting a parameter --relax <someting>... 

 

For the record, this case-when statements did not produce an error when compiling on Sinplify 

 

Thanks
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Altera_Forum
Honored Contributor II
‎01-05-2018 06:29 PM
594 Views

Posting the code would help to understand what's wrong.

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