File: t_param_const_part.v

package info (click to toggle)
verilator 5.032-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 93,932 kB
  • sloc: cpp: 131,288; python: 19,365; ansic: 10,234; yacc: 5,733; lex: 1,905; makefile: 1,229; sh: 489; perl: 282; fortran: 22
file content (28 lines) | stat: -rw-r--r-- 695 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2015 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0

module t;
   function integer bottom_4bits;
      input [7:0] i;
      bottom_4bits = 0;
      bottom_4bits[3:0] = i[3:0];
   endfunction

   function integer bottom_2_unknown;
      input [7:0] i;
      // bottom_4bits = 0;  'x
      bottom_2_unknown[1:0] = i[1:0];
   endfunction

   localparam p = bottom_4bits(8'h13);
   localparam bu = bottom_2_unknown(8'h13);

   initial begin
      if (p != 3) $stop;
      $write("*-* All Finished *-*\n");
      $finish;
   end
endmodule