mirror of https://github.com/YosysHQ/yosys.git
29 lines
687 B
Systemverilog
29 lines
687 B
Systemverilog
module pass_through(
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input [63:0] inp,
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output [63:0] out
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);
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assign out = inp;
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endmodule
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module top;
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logic [63:0] s0c, s1c, sxc, s0d, s1d, sxd, d;
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pass_through pt(8, d);
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assign s0c = '0 << 8;
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assign s1c = '1 << 8;
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assign sxc = 'x << 8;
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assign s0d = '0 << d;
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assign s1d = '1 << d;
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assign sxd = 'x << d;
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always @* begin
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assert (s0c === 64'h0000_0000_0000_0000);
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assert (s1c === 64'hFFFF_FFFF_FFFF_FF00);
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assert (sxc === 64'hxxxx_xxxx_xxxx_xx00);
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assert (s0d === 64'h0000_0000_0000_0000);
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assert (s1d === 64'hFFFF_FFFF_FFFF_FF00);
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assert (sxd === 64'hxxxx_xxxx_xxxx_xx00);
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end
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endmodule
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