Replaced signed_parameters API with CONST_FLAG_SIGNED

4 files changed, 4 insertions, 8 deletions

diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index ec017216d..ccadc2069 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -819,7 +819,7 @@ AstModule::~AstModule()
 }
 
 // create a new parametric module (when needed) and return the name of the generated module
-RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters, std::set<RTLIL::IdString> signed_parameters)
+RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters)
 {
 	log_header("Executing AST frontend in derive mode using pre-parsed AST for module `%s'.\n", name.c_str());
 
@@ -853,7 +853,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin
 	rewrite_parameter:
 			para_info += stringf("%s=%s", child->str.c_str(), log_signal(RTLIL::SigSpec(parameters[para_id])));
 			delete child->children.at(0);
-			child->children[0] = AstNode::mkconst_bits(parameters[para_id].bits, signed_parameters.count(para_id) > 0);
+			child->children[0] = AstNode::mkconst_bits(parameters[para_id].bits, (parameters[para_id].flags & RTLIL::CONST_FLAG_SIGNED) != 0);
 			hash_data.insert(hash_data.end(), child->str.begin(), child->str.end());
 			hash_data.push_back(0);
 			hash_data.insert(hash_data.end(), parameters[para_id].bits.begin(), parameters[para_id].bits.end());
diff --git a/frontends/ast/ast.h b/frontends/ast/ast.h
index 4cdb564a5..f90fe9b7b 100644
--- a/frontends/ast/ast.h
+++ b/frontends/ast/ast.h
@@ -229,7 +229,7 @@ namespace AST
 		AstNode *ast;
 		bool nolatches, nomem2reg, mem2reg, lib, noopt;
 		virtual ~AstModule();
-		virtual RTLIL::IdString derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters, std::set<RTLIL::IdString> signed_parameters);
+		virtual RTLIL::IdString derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters);
 		virtual RTLIL::Module *clone() const;
 	};
 
diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc
index 3998c9441..7ebc4b719 100644
--- a/frontends/ast/genrtlil.cc
+++ b/frontends/ast/genrtlil.cc
@@ -1304,12 +1304,8 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
 					if (child->str.size() == 0) {
 						char buf[100];
 						snprintf(buf, 100, "$%d", ++para_counter);
-						if (child->children[0]->is_signed)
-							cell->signed_parameters.insert(buf);
 						cell->parameters[buf] = child->children[0]->asParaConst();
 					} else {
-						if (child->children[0]->is_signed)
-							cell->signed_parameters.insert(child->str);
 						cell->parameters[child->str] = child->children[0]->asParaConst();
 					}
 					continue;
diff --git a/frontends/ilang/parser.y b/frontends/ilang/parser.y
index 54c2280a8..4c1abe5ce 100644
--- a/frontends/ilang/parser.y
+++ b/frontends/ilang/parser.y
@@ -191,7 +191,7 @@ cell_body:
 	} |
 	cell_body TOK_PARAMETER TOK_SIGNED TOK_ID constant TOK_EOL {
 		current_cell->parameters[$4] = *$5;
-		current_cell->signed_parameters.insert($4);
+		current_cell->parameters[$4].flags |= RTLIL::CONST_FLAG_SIGNED;
 		free($4);
 		delete $5;
 	} |