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Fatal_error:x3kma:x3kmarmunused.c:120:1.8 remove input sig U9/$Net00047_from comp U9/$I67 causes empty F func.


Record #3597

Product Family:  Software

Product Line:  FPGA Implementation

Problem Title:
Fatal_error:x3kma:x3kmarmunused.c:120:1.8 remove input sig
U9/$Net00047_from comp U9/$I67 causes empty F func.



Problem Description:
Keywords: x3kma, unused, empty.

Urgency : Hot

General Description:
This error was caused by  "optimize"  creating a logic 1 F function driving a fl
op when it saw a FDCE with the D pin pulled up to VCC, and an active CLK and CLR
 signal.


Solution 1:

This problem is fixed in the latest M1.4 Core Tools Patch available
on the Xilinx Download Area:

ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_sol14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_sun14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_hp14_m14.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.4_alliance/core_nt14.zip




End of Record #3597