Answers Database

M1.3.7 Map - Map incorrectly optimizes FDC to VCC.


Record #2816

Product Family:  Software

Product Line:  Merged Core

Problem Title:
M1.3.7 Map - Map incorrectly optimizes FDC to VCC.


Problem Description:
Map incorrectly optimizes FDC to VCC.
The FDC (powerup as zero) hasdata  tied to Vcc,
with Clock tied to a valid source and Q tied to a destination  (in this case it
controls GSR of STARTUP).

Reference # 18800


Solution 1:

A patch is available at:

ftp://ftp.xilinx.com/pub/swhelp/M1.3_alliance/map_sun120897.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.3_alliance/map_sol120897.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.3_alliance/map_hp120897.tar.Z
ftp://ftp.xilinx.com/pub/swhelp/M1.3_alliance/map_nt11.zip

This patch is also available from the M1.3 Performance Pack CD.



End of Record #2816