54 lines
1.4 KiB
Coq
54 lines
1.4 KiB
Coq
|
/*
|
||
|
|
* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
|
||
|
|
*
|
||
|
|
* This source code is free software; you can redistribute it
|
||
|
|
* and/or modify it in source code form under the terms of the GNU
|
||
|
|
* General Public License as published by the Free Software
|
||
|
|
* Foundation; either version 2 of the License, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This test catches the case where the operands of the ?: operator
|
||
|
|
* have different sizes.
|
||
|
|
*/
|
||
|
|
module main;
|
||
|
|
|
||
|
|
reg [3:0] r;
|
||
|
|
reg [3:0] a;
|
||
|
|
reg [4:0] b;
|
||
|
|
reg f;
|
||
|
|
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
a = 4'b1010;
|
||
|
|
b = 5'b10101;
|
||
|
|
|
||
|
|
f = 1;
|
||
|
|
r = f? a : b;
|
||
|
|
if (r !== 4'b1010) begin
|
||
|
|
$display("FAILED: r === %b", r);
|
||
|
|
$finish;
|
||
|
|
end
|
||
|
|
|
||
|
|
f = 0;
|
||
|
|
r = f? a : b;
|
||
|
|
if (r !== 4'b0101) begin
|
||
|
|
$display("FAILED: r === %b", r);
|
||
|
|
$finish;
|
||
|
|
end
|
||
|
|
|
||
|
|
$display("PASSED");
|
||
|
|
|
||
|
|
end // initial begin
|
||
|
|
endmodule // main
|