This excerpt taken from the XLNX 10-Q filed Nov 4, 2005.
Xilinxs software included in or as Products (for purposes of this Section, Software Products) is distributed pursuant to the terms of an End User License Agreement, a copy of which is provided as Exhibit D (the EULA). Distributor and its authorized Affiliates are authorized to distribute the Software Products to customers only in the condition and packaging in which received. Distributor shall take such actions reasonably requested by Xilinx to ensure that all Software Products are distributed to end users in a fashion that ensures that they are subject to the EULA, as updated from time to time by Xilinx. Additionally, when and if Distributor utilizes a Product that is or incorporates a Software Product, Distributors use shall be subject to the terms of the EULA that accompanies that software. In the event of a conflict between this Agreement and the EULA accompanying the Software Product, the EULA shall govern.