// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2024 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `define stop $stop `define checkh(gotv,expv) do if ((gotv) !== (expv)) begin $write("%%Error: %s:%0d: got='h%x exp='h%x\n", `__FILE__,`__LINE__, (gotv), (expv)); `stop; end while(0); module t; wire [5:0] b1 = 6'b101101; wire [5:0] b2 = 6'b011110; logic [5:0] a6; logic [9:0] a10; initial begin // issue #3417 a6 = b2 - b1; `checkh(a6, 6'h31); a10 = 10'(b2 - b1); `checkh(a10, 10'h3f1); // This being not 31 indicates operator expands `checkh($bits(10'(b1)), 10); `checkh($bits(10'(b2 - b1)), 10); `checkh($bits(b2 - b1), 6); $write("*-* All Finished *-*\n"); $finish; end endmodule