verilator/test_regress/t/t_array_pattern_unpacked.v

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2013-12-21 13:29:04 +00:00
// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2009 by Iztok Jeras.
module t (/*AUTOARG*/);
logic [3:0] array_simp [1:0] [3:0]; // big endian array
initial begin
array_simp[0] = '{ 4'd3, 4'd2, 4'd1, 4'd0};
if ({array_simp[0][3],array_simp[0][2],array_simp[0][1],array_simp[0][0]} !== 16'h3210) $stop;
// verilator lint_off WIDTH
array_simp[0] = '{ 3 ,2 ,1, 0 };
// verilator lint_on WIDTH
if ({array_simp[0][3],array_simp[0][2],array_simp[0][1],array_simp[0][0]} !== 16'h3210) $stop;
// Doesn't seem to work for unpacked arrays in other simulators
//array_simp[0] = '{ 1:4'd3, default:13 };
//if ({array_simp[0][3],array_simp[0][2],array_simp[0][1],array_simp[0][0]} !== 16'hDD3D) $stop;
array_simp = '{ '{ 4'd3, 4'd2, 4'd1, 4'd0 }, '{ 4'd1, 4'd2, 4'd3, 4'd4 }};
if ({array_simp[1][3],array_simp[1][2],array_simp[1][1],array_simp[1][0],
array_simp[0][3],array_simp[0][2],array_simp[0][1],array_simp[0][0]} !== 32'h3210_1234) $stop;
// Doesn't seem to work for unpacked arrays in other simulators
array_simp = '{2 { '{4 { 4'd3, 4'd2, 4'd1, 4'd0 }} } };
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$write("*-* All Finished *-*\n");
$finish;
end
endmodule