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AR# 23446

8.1i XST- "ERROR:Xst:71 - Redeclaration of an instance : <instance_name>"

Description

Keywords: hierarchical, defparam, 7.1i

When my Verilog design has multiple hierarchical defparams, the following error occurs during the second synthesis run:

"ERROR:Xst:71 - Redeclaration of an instance : <instance_name>"

Solution

This problem has been fixed in the latest 8.2i Service Pack available at:
http://www.xilinx.com/xlnx/xil_sw_updates_home.jsp
The first service pack containing the fix is 8.2i Service Pack 1.
AR# 23446
Date 01/08/2009
Status Archive
Type General Article