Added != support for relational select pattern

diff --git a/passes/cmds/select.cc b/passes/cmds/select.cc
index a1a64f1456c44ea75cde884a6e0354588aa2eac8..3a886b1c8af2c05a369429a42e7d0b2ee9bc6fbe 100644 (file)
--- a/passes/cmds/select.cc
+++ b/passes/cmds/select.cc
@@ -63,6 +63,8 @@ static bool match_attr_val(const RTLIL::Const &value, std::string pattern, char
 
                if (match_op == '=')
                        return value == pattern_value;
+               if (match_op == '!')
+                       return value != pattern_value;
                if (match_op == '<')
                        return value.as_int() < pattern_value.as_int();
                if (match_op == '>')
@@ -82,6 +84,8 @@ static bool match_attr_val(const RTLIL::Const &value, std::string pattern, char
 
                if (match_op == '=')
                        return value_str == pattern;
+               if (match_op == '!')
+                       return value_str != pattern;
                if (match_op == '<')
                        return value_str < pattern;
                if (match_op == '>')
@@ -115,9 +119,11 @@ static bool match_attr(const std::map<RTLIL::IdString, RTLIL::Const> &attributes
 
 static bool match_attr(const std::map<RTLIL::IdString, RTLIL::Const> &attributes, std::string match_expr)
 {
-       size_t pos = match_expr.find_first_of("<=>");
+       size_t pos = match_expr.find_first_of("<!=>");
 
        if (pos != std::string::npos) {
+               if (match_expr.substr(pos, 2) == "!=")
+                       return match_attr(attributes, match_expr.substr(0, pos), match_expr.substr(pos+2), '!');
                if (match_expr.substr(pos, 2) == "<=")
                        return match_attr(attributes, match_expr.substr(0, pos), match_expr.substr(pos+2), '[');
                if (match_expr.substr(pos, 2) == ">=")