// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed under the Creative Commons Public Domain. // SPDX-FileCopyrightText: 2003 Wilson Snyder // SPDX-License-Identifier: CC0-1.0 module t ( input clk ); reg [7:0] cyc; initial cyc = 0; reg [31:0] loops; reg [31:0] loops2; always @(posedge clk) begin cyc <= cyc + 8'd1; if (cyc == 8'd1) begin $write("[%0t] t_loop: Running\n", $time); // Unwind < loops = 0; loops2 = 0; for (int i = 0; i < 16; i = i + 1) begin loops = loops + i; // surefire lint_off_line ASWEMB loops2 = loops2 + i; // surefire lint_off_line ASWEMB end if (loops !== 120) $stop; if (loops2 !== 120) $stop; // Check we can declare the same signal twice loops = 0; for (int i = 0; i <= 16; i = i + 1) begin loops = loops + 1; end if (loops !== 17) $stop; // Check type is correct loops = 0; for (byte unsigned i = 5; i > 4; i = i + 1) begin loops = loops + 1; end if (loops !== 251) $stop; // Check large loops loops = 0; for (int i = 0; i < 100000; i = i + 1) begin loops = loops + 1; end if (loops !== 100000) $stop; $write("*-* All Finished *-*\n"); $finish; end end endmodule