Add regression tests for assignment operators on queue and darray elements

Check that assignment operators work as expected on queue and dynamic array
elements.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>

ivtest/ivltests/sv_darray_assign_op.v

@@ -0,0 +1,86 @@
+// Check that assignment operators are supported on dynamic array elements.
+
+module test;
+
+  bit failed = 1'b0;
+
+  `define check(val, exp) do \
+    if (val !== exp) begin \
+      $display("FAILED(%0d). '%s' expected %0d, got %0d", `__LINE__, `"val`", exp, val); \
+      failed = 1'b1; \
+    end \
+  while(0)
+
+  integer x[];
+  integer i;
+
+  initial begin
+    x = new[2];
+
+    // Static index
+    x[1] = 1;
+    x[1] += 5;
+    `check(x[1], 6);
+    x[1] -= 2;
+    `check(x[1], 4);
+    x[1] *= 25;
+    `check(x[1], 100);
+    x[1] /= 5;
+    `check(x[1], 20);
+    x[1] %= 3;
+    `check(x[1], 2);
+
+    x[1] = 'haa;
+    x[1] &= 'h33;
+    `check(x[1], 'h22);
+    x[1] |= 'h11;
+    `check(x[1], 'h33);
+    x[1] ^= 'h22;
+    `check(x[1], 'h11);
+
+    x[1] <<= 3;
+    `check(x[1], 'h88);
+    x[1] <<<= 1;
+    `check(x[1], 'h110);
+    x[1] >>= 2;
+    `check(x[1], 'h44);
+    x[1] >>>= 1;
+    `check(x[1], 'h22);
+
+    // Dynamic index
+    x[1] = 1;
+    i = 1;
+    x[i] += 5;
+    `check(x[i], 6);
+    x[i] -= 2;
+    `check(x[i], 4);
+    x[i] *= 25;
+    `check(x[i], 100);
+    x[i] /= 5;
+    `check(x[i], 20);
+    x[i] %= 3;
+    `check(x[i], 2);
+
+    x[i] = 'haa;
+    x[i] &= 'h33;
+    `check(x[i], 'h22);
+    x[i] |= 'h11;
+    `check(x[i], 'h33);
+    x[i] ^= 'h22;
+    `check(x[i], 'h11);
+
+    x[i] <<= 3;
+    `check(x[i], 'h88);
+    x[i] <<<= 1;
+    `check(x[i], 'h110);
+    x[i] >>= 2;
+    `check(x[i], 'h44);
+    x[i] >>>= 1;
+    `check(x[i], 'h22);
+
+    if (!failed) begin
+      $display("PASSED");
+    end
+  end
+
+endmodule

ivtest/ivltests/sv_queue_assign_op.v

@@ -0,0 +1,84 @@
+// Check that assignment operators are supported on queue elements.
+
+module test;
+
+  bit failed = 1'b0;
+
+  `define check(val, exp) do \
+    if (val !== exp) begin \
+      $display("FAILED(%0d). '%s' expected %0d, got %0d", `__LINE__, `"val`", exp, val); \
+      failed = 1'b1; \
+    end \
+  while(0)
+
+  integer x[$];
+  integer i;
+
+  initial begin
+    x = '{0, 1};
+    // Static index
+    x[1] += 5;
+    `check(x[1], 6);
+    x[1] -= 2;
+    `check(x[1], 4);
+    x[1] *= 25;
+    `check(x[1], 100);
+    x[1] /= 5;
+    `check(x[1], 20);
+    x[1] %= 3;
+    `check(x[1], 2);
+
+    x[1] = 'haa;
+    x[1] &= 'h33;
+    `check(x[1], 'h22);
+    x[1] |= 'h11;
+    `check(x[1], 'h33);
+    x[1] ^= 'h22;
+    `check(x[1], 'h11);
+
+    x[1] <<= 3;
+    `check(x[1], 'h88);
+    x[1] <<<= 1;
+    `check(x[1], 'h110);
+    x[1] >>= 2;
+    `check(x[1], 'h44);
+    x[1] >>>= 1;
+    `check(x[1], 'h22);
+
+    // Dynamic index
+    x[1] = 1;
+    i = 1;
+    x[i] += 5;
+    `check(x[i], 6);
+    x[i] -= 2;
+    `check(x[i], 4);
+    x[i] *= 25;
+    `check(x[i], 100);
+    x[i] /= 5;
+    `check(x[i], 20);
+    x[i] %= 3;
+    `check(x[i], 2);
+
+    x[i] = 'haa;
+    x[i] &= 'h33;
+    `check(x[i], 'h22);
+    x[i] |= 'h11;
+    `check(x[i], 'h33);
+    x[i] ^= 'h22;
+    `check(x[i], 'h11);
+
+    x[i] <<= 3;
+    `check(x[i], 'h88);
+    x[i] <<<= 1;
+    `check(x[i], 'h110);
+    x[i] >>= 2;
+    `check(x[i], 'h44);
+    x[i] >>>= 1;
+    `check(x[i], 'h22);
+
+    if (!failed) begin
+      $display("PASSED");
+    end
+  end
+
+endmodule

ivtest/regress-vvp.list

@@ -239,6 +239,7 @@ sv_const_fail6			vvp_tests/sv_const_fail6.json
 sv_const_fail7			vvp_tests/sv_const_fail7.json
 sv_const_fail8			vvp_tests/sv_const_fail8.json
 sv_const_fail9			vvp_tests/sv_const_fail9.json
+sv_darray_assign_op		vvp_tests/sv_darray_assign_op.json
 sv_default_port_value1		vvp_tests/sv_default_port_value1.json
 sv_default_port_value2		vvp_tests/sv_default_port_value2.json
 sv_default_port_value3		vvp_tests/sv_default_port_value3.json
@@ -257,6 +258,7 @@ sv_module_port2			vvp_tests/sv_module_port2.json
 sv_module_port3			vvp_tests/sv_module_port3.json
 sv_module_port4			vvp_tests/sv_module_port4.json
 sv_parameter_type		vvp_tests/sv_parameter_type.json
+sv_queue_assign_op		vvp_tests/sv_queue_assign_op.json
 sv_wildcard_import8		vvp_tests/sv_wildcard_import8.json
 sdf_header			vvp_tests/sdf_header.json
 task_return1			vvp_tests/task_return1.json

ivtest/vvp_tests/sv_darray_assign_op.json

@@ -0,0 +1,5 @@
+{
+    "type"          : "normal",
+    "source"        : "sv_darray_assign_op.v",
+    "iverilog-args" : [ "-g2005-sv" ]
+}

ivtest/vvp_tests/sv_queue_assign_op.json

@@ -0,0 +1,5 @@
+{
+    "type"          : "normal",
+    "source"        : "sv_queue_assign_op.v",
+    "iverilog-args" : [ "-g2005-sv" ]
+}

tgt-vvp/stmt_assign.c

@@ -1066,6 +1066,7 @@ static void show_stmt_assign_sig_darray_queue_mux(ivl_statement_t net)
 	  case IVL_VT_STRING:
 	    assert(ivl_stmt_opcode(net) == 0);
 	    draw_eval_string(rval);
+	    draw_eval_expr_into_integer(mux, 3);
 	    break;
 	  case IVL_VT_BOOL:
 	  case IVL_VT_LOGIC: