// DESCRIPTION: Verilator: Verilog Test module // // This file ONLY is placed into the Public Domain, for any use, // without warranty, 2003 by Wilson Snyder. module t (/*AUTOARG*/ // Inputs clk ); 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