Also escape "=" in spice output

diff --git a/backends/spice/spice.cc b/backends/spice/spice.cc
index 4b88a39097dd0a7a1a180c89c4eb1c66c5dc561d..4101cbf980a0cfd5b86f75ff2d22fc2d7beb4a79 100644 (file)
--- a/backends/spice/spice.cc
+++ b/backends/spice/spice.cc
@@ -29,7 +29,7 @@ PRIVATE_NAMESPACE_BEGIN
 
 static string spice_id2str(IdString id)
 {
-       static const char *escape_chars = "$\\[]()<>";
+       static const char *escape_chars = "$\\[]()<>=";
        string s = RTLIL::unescape_id(id);
 
        for (auto &ch : s)