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8bitworkshop/test/cli/verilog/t_array_compare.v
2017-11-22 09:44:57 -05:00

59 lines
1.3 KiB
Verilog

// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2016 by Andrew Bardsley.
// bug1071
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
reg [3:0] array_1 [2:0];
reg [3:0] array_2 [2:0];
reg [3:0] array_3 [3:1];
reg [3:0] elem;
reg array_1_ne_array_2;
reg array_1_eq_array_2;
reg array_1_ne_array_3;
reg array_1_eq_array_3;
initial begin
array_1[0] = 4'b1000;
array_1[1] = 4'b1000;
array_1[2] = 4'b1000;
array_2[0] = 4'b1000;
array_2[1] = 4'b1000;
array_2[2] = 4'b1000;
array_3[1] = 4'b1000;
array_3[2] = 4'b0100;
array_3[3] = 4'b0100;
// Comparisons only compare elements 0
array_1_ne_array_2 = array_1 != array_2; // 0
array_1_eq_array_2 = array_1 == array_2; // 0
array_1_ne_array_3 = array_1 != array_3; // 1
array_1_eq_array_3 = array_1 == array_3; // 1
`ifdef TEST_VERBOSE
$write("array_1_ne_array2==%0d\n", array_1_ne_array_2);
$write("array_1_ne_array3==%0d\n", array_1_ne_array_3);
`endif
if (array_1_ne_array_2 !== 0) $stop;
if (array_1_eq_array_2 !== 1) $stop;
if (array_1_ne_array_3 !== 1) $stop;
if (array_1_eq_array_3 !== 0) $stop;
$write("*-* All Finished *-*\n");
$finish;
end
endmodule