diff options
Diffstat (limited to 'frontends/ast/simplify.cc')
-rw-r--r-- | frontends/ast/simplify.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 79dc3b7c8..6ff117a44 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1490,6 +1490,11 @@ skip_dynamic_range_lvalue_expansion:; int mem_width, mem_size, addr_bits; children[0]->id2ast->meminfo(mem_width, mem_size, addr_bits); + int addr_width_hint = -1; + bool addr_sign_hint = true; + children[0]->children[0]->children[0]->detectSignWidthWorker(addr_width_hint, addr_sign_hint); + addr_bits = std::max(addr_bits, addr_width_hint); + AstNode *wire_addr = new AstNode(AST_WIRE, new AstNode(AST_RANGE, mkconst_int(addr_bits-1, true), mkconst_int(0, true))); wire_addr->str = id_addr; current_ast_mod->children.push_back(wire_addr); |