Fix packed array select internal error, bug652.

test_regress/t/t_math_pick.pl

@@ -0,0 +1,18 @@
+#!/usr/bin/perl
+if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2003 by Wilson Snyder. This program is free software; you can
+# redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+
+compile (
+    );
+
+execute (
+    check_finished=>1,
+    );
+
+ok(1);
+1;

test_regress/t/t_math_pick.v

@@ -0,0 +1,82 @@
+// DESCRIPTION: Verilator: Verilog Test module
+//
+// This file ONLY is placed into the Public Domain, for any use,
+// without warranty, 2013.
+
+module t (/*AUTOARG*/
+   // Inputs
+   clk
+   );
+   input clk;
+
+   integer 	cyc=0;
+   reg [63:0] 	crc;
+   reg [63:0] 	sum;
+
+   // Take CRC data and apply to testblock inputs
+   wire 	pick1 = crc[0];
+   wire [13:0][1:0] data1 = crc[27+1:1];
+   wire [3:0][2:0][1:0] data2 = crc[23+29:29];
+
+   /*AUTOWIRE*/
+   // Beginning of automatic wires (for undeclared instantiated-module outputs)
+   logic [15:0] [1:0]	datao;			// From test of Test.v
+   // End of automatics
+
+   Test test (/*AUTOINST*/
+	      // Outputs
+	      .datao			(datao/*[15:0][1:0]*/),
+	      // Inputs
+	      .pick1			(pick1),
+	      .data1			(data1/*[13:0][1:0]*/),
+	      .data2			(data2/*[2:0][3:0][1:0]*/));
+
+   // Aggregate outputs into a single result vector
+   wire [63:0] result = {32'h0, datao};
+
+   // Test loop
+   always @ (posedge clk) begin
+`ifdef TEST_VERBOSE
+      $write("[%0t] cyc==%0d crc=%x result=%x\n",$time, cyc, crc, result);
+`endif
+      cyc <= cyc + 1;
+      crc <= {crc[62:0], crc[63]^crc[2]^crc[0]};
+      sum <= result ^ {sum[62:0],sum[63]^sum[2]^sum[0]};
+      if (cyc==0) begin
+	 // Setup
+	 crc <= 64'h5aef0c8d_d70a4497;
+	 sum <= 64'h0;
+      end
+      else if (cyc<10) begin
+	 sum <= 64'h0;
+      end
+      else if (cyc<90) begin
+      end
+      else if (cyc==99) begin
+	 $write("[%0t] cyc==%0d crc=%x sum=%x\n",$time, cyc, crc, sum);
+	 if (crc !== 64'hc77bb9b3784ea091) $stop;
+	 // What checksum will we end up with (above print should match)
+`define EXPECTED_SUM 64'h3ff4bf0e6407b281
+	 if (sum !== `EXPECTED_SUM) $stop;
+	 $write("*-* All Finished *-*\n");
+	 $finish;
+      end
+   end
+
+endmodule
+
+module Test
+  (
+   input logic 			  pick1,
+   input logic [13:0] [1:0] 	  data1, //    14 x 2 = 28 bits
+   input logic [ 3:0] [2:0] [1:0] data2, // 4 x 3 x 2 = 24 bits
+   output logic [15:0] [1:0] 	  datao   //    16 x 2 = 32 bits
+   );
+   // verilator lint_off WIDTH
+   always_comb datao[13: 0]  // 28 bits
+     = (pick1)
+       ? {data1}  // 28 bits
+       : {'0, data2};  // 25-28 bits, perhaps not legal as '0 is unsized
+   // verilator lint_on WIDTH
+   always_comb datao[15:14] = '0;
+endmodule