22 lines
314 B
Coq
22 lines
314 B
Coq
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module bug;
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wire a, b, c, d;
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assign c = 1'bx;
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assign a = 1'b1;
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assign b = 1'b0;
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assign d = 1'bx;
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wire e = {c,d} == {a,b};
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initial
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begin
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#2
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if ((e == 1'b1) || (e == 1'b0))
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$display("FAILED -- abcde=%b%b%b%b%b", a, b, c, d, e);
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else
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$display("PASSED");
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$finish;
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end
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endmodule
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