Fix use of signed integers in JSON back-end

Signed-off-by: Clifford Wolf <clifford@clifford.at>

diff --git a/backends/json/json.cc b/backends/json/json.cc
index d3b7077a24c3a8d4144bc365f231fbf6419bebca..1a3ca64a307734015c9d9018353411b3632cde0e 100644 (file)
--- a/backends/json/json.cc
+++ b/backends/json/json.cc
@@ -93,8 +93,10 @@ struct JsonWriter
                                f << get_string(param.second.decode_string());
                        else if (GetSize(param.second.bits) > 32)
                                f << get_string(param.second.as_string());
-                       else
+                       else if ((param.second.flags & RTLIL::ConstFlags::CONST_FLAG_SIGNED) != 0)
                                f << stringf("%d", param.second.as_int());
+                       else
+                               f << stringf("%u", param.second.as_int());
                        first = false;
                }
        }