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Implemented correct handling of signed module parameters

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This commit is contained in:
Clifford Wolf 2013-11-24 17:17:21 +01:00
parent 1e6836933d
commit 609caa23b5
8 changed files with 19 additions and 8 deletions
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4
frontends/ast/ast.cc
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@ -792,7 +792,7 @@ 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)
RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdString, RTLIL::Const> parameters, std::set<RTLIL::IdString> signed_parameters)
{
log_header("Executing AST frontend in derive mode using pre-parsed AST for module `%s'.\n", name.c_str());
@ -826,7 +826,7 @@ 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, child->is_signed);
child->children[0] = AstNode::mkconst_bits(parameters[para_id].bits, signed_parameters.count(para_id) > 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());