diff options
Diffstat (limited to 'frontends')
-rw-r--r-- | frontends/ast/ast.cc | 2 | ||||
-rw-r--r-- | frontends/ast/genrtlil.cc | 5 | ||||
-rw-r--r-- | frontends/ilang/ilang_parser.y | 11 |
3 files changed, 13 insertions, 5 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index 9ddd538b5..733556621 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -1074,8 +1074,6 @@ static AstModule* process_module(AstNode *ast, bool defer, AstNode *original_ast if (child->type == AST_WIRE && (child->is_input || child->is_output)) { new_children.push_back(child); } else if (child->type == AST_PARAMETER) { - child->delete_children(); - child->children.push_back(AstNode::mkconst_int(0, false, 0)); new_children.push_back(child); } else if (child->type == AST_CELL && child->children.size() > 0 && child->children[0]->type == AST_CELLTYPE && (child->children[0]->str == "$specify2" || child->children[0]->str == "$specify3" || child->children[0]->str == "$specrule")) { diff --git a/frontends/ast/genrtlil.cc b/frontends/ast/genrtlil.cc index ff3f5b84c..d35335747 100644 --- a/frontends/ast/genrtlil.cc +++ b/frontends/ast/genrtlil.cc @@ -1015,7 +1015,10 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint) // remember the parameter, needed for example in techmap case AST_PARAMETER: - current_module->avail_parameters.insert(str); + current_module->avail_parameters(str); + if (GetSize(children) >= 1 && children[0]->type == AST_CONSTANT) { + current_module->parameter_default_values[str] = children[0]->asParaConst(); + } /* fall through */ case AST_LOCALPARAM: if (flag_pwires) diff --git a/frontends/ilang/ilang_parser.y b/frontends/ilang/ilang_parser.y index 0522fa72a..8e21fb176 100644 --- a/frontends/ilang/ilang_parser.y +++ b/frontends/ilang/ilang_parser.y @@ -143,11 +143,18 @@ module_body: /* empty */; module_stmt: - param_stmt | attr_stmt | wire_stmt | memory_stmt | cell_stmt | proc_stmt | conn_stmt; + param_stmt | param_defval_stmt | attr_stmt | wire_stmt | memory_stmt | cell_stmt | proc_stmt | conn_stmt; param_stmt: TOK_PARAMETER TOK_ID EOL { - current_module->avail_parameters.insert($2); + current_module->avail_parameters($2); + free($2); + }; + +param_defval_stmt: + TOK_PARAMETER TOK_ID constant EOL { + current_module->avail_parameters($2); + current_module->parameter_default_values[$2] = *$3; free($2); }; |