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AR# 32277

10.1.03i XST - FATAL_ERROR:Xst:xstmacrodsprainiernode.c:473:1.12 - Invalid number of registers for A: 3 Process will terminate

Description

When synthesizing a multiplier which is pipelined by 5 stages or above, I get the below error in XST. How do I fix it?

FATAL_ERROR:Xst:xstmacrodsprainiernode.c:473:1.12 - Invalid number of registers for A: 3 Process will terminate.

解决方案

This issue has been fixed in the upcoming 11.1.

To work around it, you may either change mult_style to "lut" or "pipe_lut", or manually add an extra pipeline stage to the existing 4

levels.

AR# 32277
创建日期 12/14/2009
Last Updated 12/15/2012
状态 Active
Type 综合文章