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-rw-r--r--frontends/ast/simplify.cc4
1 files changed, 3 insertions, 1 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index 2790a4a3..6594cfcb 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -1007,7 +1007,7 @@ void AstNode::mem2reg_as_needed_pass2(std::set<AstNode*> &mem2reg_set, AstNode *
if (children[0]->children[0]->children[0]->type == AST_CONSTANT && int(children[0]->children[0]->children[0]->integer) != i)
continue;
AstNode *cond_node = new AstNode(AST_COND, AstNode::mkconst_int(i, false, addr_bits), new AstNode(AST_BLOCK));
- AstNode *assign_reg = new AstNode(AST_ASSIGN_EQ, new AstNode(AST_IDENTIFIER), new AstNode(AST_IDENTIFIER));
+ AstNode *assign_reg = new AstNode(type, new AstNode(AST_IDENTIFIER), new AstNode(AST_IDENTIFIER));
assign_reg->children[0]->str = stringf("%s[%d]", children[0]->str.c_str(), i);
assign_reg->children[1]->str = id_data;
cond_node->children[1]->children.push_back(assign_reg);
@@ -1019,6 +1019,7 @@ void AstNode::mem2reg_as_needed_pass2(std::set<AstNode*> &mem2reg_set, AstNode *
children[0]->range_valid = false;
children[0]->id2ast = NULL;
children[0]->str = id_data;
+ type = AST_ASSIGN_EQ;
}
if (type == AST_IDENTIFIER && id2ast && mem2reg_set.count(id2ast) > 0)
@@ -1057,6 +1058,7 @@ void AstNode::mem2reg_as_needed_pass2(std::set<AstNode*> &mem2reg_set, AstNode *
std::vector<RTLIL::State> x_bits;
x_bits.push_back(RTLIL::State::Sx);
+
AstNode *cond_node = new AstNode(AST_COND, new AstNode(AST_DEFAULT), new AstNode(AST_BLOCK));
AstNode *assign_reg = new AstNode(AST_ASSIGN_EQ, new AstNode(AST_IDENTIFIER), AstNode::mkconst_bits(x_bits, false));
assign_reg->children[0]->str = id_data;