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AR# 17249

5.1i XST - XST uses an unsigned multiplier for signed multiplication


Keywords: XST, VHDL, signed, multiply, multiplier, resource, share, sharing

Urgency: Standard

General Description:
When performing signed multiplication, XST uses an unsigned multiplier.


This problem occurs when the resource sharing switch is turned on. To work around this issue, turn off the resource sharing switch.

This problem is fixed in the latest 5.2i Service Pack, available at:
The first service pack containing the fix is 5.2i Service Pack 3.

AR# 17249
Date Created 05/12/2003
Last Updated 10/20/2005
Status Archive
Type General Article