Re: [Iverilog-devel] VVP Performance boots

[Stephen W. <st...@ic...>]

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Cary R. wrote:
| It appears that the writemem* problems are created by the
1<<(6-count). It look like the 1 is being interpreted as a two bit wide
value instead of the normal integer 32 bits. This means that for values
of count less than five the result is zero. The following simple program
is producing incorrect results:
|
| module main;
|   reg [2:0] val;
|
|   initial begin
|     for (val=0; val<=6; val=val+1) begin
|       $displayh(val,, 1<<(6-val));
|     end
|   end
| endmodule
|
| This problem appear to be related to a different patch since this is
in the compiler not the runtime. I'm not certain when I last ran the
tests with a synced source tree, but I know it was not too long ago.

This program goes wrong for me too. File it, give it a high priority,
and assign it to me. I want to tackle this quickly.


- --
Steve Williams                "The woods are lovely, dark and deep.
steve at icarus.com           But I have promises to keep,
http://www.icarus.com         and lines to code before I sleep,
http://www.picturel.com       And lines to code before I sleep."
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