Fixed bug in generation of undefs for $memwr MUXes

diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 5e37911d3e0de1a3ee1daf06239a26c60e050545..55ed28b0122e51f05a893dc931311306a0cafc71 100644 (file)
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -1088,14 +1088,16 @@ skip_dynamic_range_lvalue_expansion:;
                current_scope[wire_en->str] = wire_en;
                while (wire_en->simplify(true, false, false, 1, -1, false, false)) { }
 
-               std::vector<RTLIL::State> x_bits;
+               std::vector<RTLIL::State> x_bits_addr, x_bits_data;
+               for (int i = 0; i < addr_bits; i++)
+                       x_bits_addr.push_back(RTLIL::State::Sx);
                for (int i = 0; i < mem_width; i++)
-                       x_bits.push_back(RTLIL::State::Sx);
+                       x_bits_data.push_back(RTLIL::State::Sx);
 
-               AstNode *assign_addr = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits, false));
+               AstNode *assign_addr = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits_addr, false));
                assign_addr->children[0]->str = id_addr;
 
-               AstNode *assign_data = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits, false));
+               AstNode *assign_data = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_bits(x_bits_data, false));
                assign_data->children[0]->str = id_data;
 
                AstNode *assign_en = new AstNode(AST_ASSIGN_LE, new AstNode(AST_IDENTIFIER), mkconst_int(0, false, 1));