initial parameter type conversion

test/basic/paramtype.sv

@@ -0,0 +1,99 @@
+module m_def #(
+    parameter type T = logic
+);
+    T x = 0;
+    initial begin
+        $display("m_def %b %b %d", x, x+1, $bits(T));
+    end
+endmodule
+
+module m_nodef #(
+    parameter type T
+);
+    T x = 0;
+    initial begin
+        $display("m_nodef %b %b %d", x, x+1, $bits(T));
+    end
+endmodule
+
+module n_nodef #(
+    parameter type T,
+    parameter type U
+);
+    T x = 0;
+    U y = 1;
+    initial begin
+        $display("n_nodef %b %b %d", x, x+1, $bits(T));
+        $display("n_nodef %b %b %d", y, y+1, $bits(U));
+    end
+endmodule
+
+module n_def #(
+    parameter type T = logic,
+    parameter type U = logic
+);
+    T x = 0;
+    U y = 1;
+    initial begin
+        $display("n_def %b %b %d", x, x+1, $bits(T));
+        $display("n_def %b %b %d", y, y+1, $bits(U));
+    end
+endmodule
+
+module n_tdef #(
+    parameter type T,
+    parameter type U = logic
+);
+    T x = 0;
+    U y = 1;
+    initial begin
+        $display("n_tdef %b %b %d", x, x+1, $bits(T));
+        $display("n_tdef %b %b %d", y, y+1, $bits(U));
+    end
+endmodule
+
+// TODO Add support for parameters without default values.
+module o_nodef #(
+    parameter a = 0,
+    parameter type T,
+    parameter type U,
+    parameter b = 0
+);
+    T x = a;
+    U y = b;
+    initial begin
+        $display("n_nodef a=%d %b %b %d", a, x, x+1, $bits(T));
+        $display("n_nodef b=%d %b %b %d", b, y, y+1, $bits(U));
+    end
+endmodule
+
+module top; endmodule
+
+// Top level modules appear to be generally instantiated in lexicographic order,
+// but instances within a module do not. This silliness helps produce more
+// consistent output.
+
+module a_1; m_def x(); endmodule
+module a_2; m_def #(logic [1:0]) x(); endmodule
+module a_3; m_def #(.T(logic [1:0])) x(); endmodule
+
+module b_1; m_nodef #(logic [1:0]) x(); endmodule
+module b_2; m_nodef #(.T(logic [1:0])) x(); endmodule
+
+module c_1; n_nodef #(logic [1:0], logic [2:0]) x(); endmodule
+module c_2; n_nodef #(.T(logic [1:0]), .U(logic)) x(); endmodule
+module c_3; n_nodef #(.U(logic), .T(logic [1:0])) x(); endmodule
+
+module d_1; n_def #(logic [1:0], logic [2:0]) x(); endmodule
+module d_2; n_def #(.T(logic [1:0])) x(); endmodule
+module d_3; n_def #(.U(logic [1:0])) x(); endmodule
+module d_4; n_def #(.U(logic), .T(logic [1:0])) x(); endmodule
+
+module e_1; n_tdef #(logic [1:0], logic [2:0]) x(); endmodule
+module e_2; n_tdef #(.T(logic [1:0]), .U(logic)) x(); endmodule
+module e_3; n_tdef #(.U(logic), .T(logic [1:0])) x(); endmodule
+
+module f_1; o_nodef #(1, logic [1:0], logic [2:0], 0) x(); endmodule
+module f_2; o_nodef #(.T(logic [1:0]), .U(logic), .b(1), .a(0)) x(); endmodule
+module f_3; o_nodef #(0, logic [1:0], logic [2:0], 1) x(); endmodule
+module f_4; o_nodef #(.T(logic [1:0]), .U(logic), .b(0), .a(1)) x(); endmodule

test/basic/paramtype.v

@@ -0,0 +1,38 @@
+module top;
+	initial begin
+		// generated by running a commercial simulator
+		$display("m_def 0 00000000000000000000000000000001           1");
+		$display("m_def 00 00000000000000000000000000000001           2");
+		$display("m_def 00 00000000000000000000000000000001           2");
+		$display("m_nodef 00 00000000000000000000000000000001           2");
+		$display("m_nodef 00 00000000000000000000000000000001           2");
+		$display("n_nodef 00 00000000000000000000000000000001           2");
+		$display("n_nodef 001 00000000000000000000000000000010           3");
+		$display("n_nodef 00 00000000000000000000000000000001           2");
+		$display("n_nodef 1 00000000000000000000000000000010           1");
+		$display("n_nodef 00 00000000000000000000000000000001           2");
+		$display("n_nodef 1 00000000000000000000000000000010           1");
+		$display("n_def 00 00000000000000000000000000000001           2");
+		$display("n_def 001 00000000000000000000000000000010           3");
+		$display("n_def 00 00000000000000000000000000000001           2");
+		$display("n_def 1 00000000000000000000000000000010           1");
+		$display("n_def 0 00000000000000000000000000000001           1");
+		$display("n_def 01 00000000000000000000000000000010           2");
+		$display("n_def 00 00000000000000000000000000000001           2");
+		$display("n_def 1 00000000000000000000000000000010           1");
+		$display("n_tdef 00 00000000000000000000000000000001           2");
+		$display("n_tdef 001 00000000000000000000000000000010           3");
+		$display("n_tdef 00 00000000000000000000000000000001           2");
+		$display("n_tdef 1 00000000000000000000000000000010           1");
+		$display("n_tdef 00 00000000000000000000000000000001           2");
+		$display("n_tdef 1 00000000000000000000000000000010           1");
+		$display("n_nodef a=          1 01 00000000000000000000000000000010           2");
+		$display("n_nodef b=          0 000 00000000000000000000000000000001           3");
+		$display("n_nodef a=          0 00 00000000000000000000000000000001           2");
+		$display("n_nodef b=          1 1 00000000000000000000000000000010           1");
+		$display("n_nodef a=          0 00 00000000000000000000000000000001           2");
+		$display("n_nodef b=          1 001 00000000000000000000000000000010           3");
+		$display("n_nodef a=          1 01 00000000000000000000000000000010           2");
+		$display("n_nodef b=          0 0 00000000000000000000000000000001           1");
+	end
+endmodule