Xilinx Webpack 6.2 and Verilog `define ?

[nospam]

I've tried to define a macro-expansion in some Verilog-RTL ...

`define MAXIMUM2( x, y ) ( ((x)>) ? (x) : )

....

parameter IN_WIDTH = 24;
parameter OUT_WIDTH = 32;
parameter BUS_WIDTH = `MAXIMUM2( IN_WIDTH, OUT_WIDTH );

This compiles and evalutates correctly under Modelsim 5.6,
NC-Verilog 4.0, Design Compiler 2003.06-SP1, etc.

But Xilinx Webpack 6.2i spits out an error message saying
something like "`MAXIMUM2 not defined."

....

I'm guessing Xilinx's preprocessor doesn't do macros?
Will this be supported in the future?

 

[David Jones]

In article <eMx1c.19775$hK6.943@newssvr29.news.prodigy.com>,
nospam <none@nowhere.net> wrote:

`define MAXIMUM2( x, y ) ( ((x)>) ? (x) : )

But Xilinx Webpack 6.2i spits out an error message saying
something like "`MAXIMUM2 not defined."

I'm guessing Xilinx's preprocessor doesn't do macros?
Will this be supported in the future?

It's not so much a "don't do macros" issue - I think all Verilog
implementations must do basic macros to be useful, but many don't
do arguments.

Yes, arguments are standard as of 1995, but I have seen many tools
not support them.