( ESNUG 372 Item 14 ) ------------------------------------------- [05/31/01]
From: "Neel Das" <neel.das@corrent.com>
Subject: Annoying Verilog Netlist Read Problems With Design Compiler 00.05
Hi John,
We found a bug in the Verilog netlist read function in Design Compiler.
This bug doesn't affect RTL reads. Synopsys is looking into this as well.
1. This is the command that I've used with v2000.05:
dc_shell-t> read_file -f vl_netlist A.v
Loading vl_netlist file 'A.v'
Error: read format 'vl_netlist' is no longer supported.
Please use 'read -f verilog -netlist' instead. (VERIL-1)
Error: Can't read 'vl_netlist' file 'A.v'.(UID-59)
No designs were read
2. However, when I tried to use their 'suggested' command, it didn't work!
dc_shell-t> read -f verilog -netlist A.v
Error: wrong # args: should be "read channelId ?numChars?" or "read
?-nonewline? channelId"
Use error_info for more info. (CMD-013)
3. Here's what worked:
dc_shell-t> read_file -f verilog -netlist A.v
Loading verilog file 'A.v'
Performing 'read' command.
Compiling source netlist file A.v
New Verilog reader completed successfully.
end
Current design is now 'A.db:A'
A
dc_shell-t>
So, if you're reading in a Verilog netlist, please use the 3rd option.
- Neel Das
Corrent Corporation
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