diff options
Diffstat (limited to 'frontends/ast/ast.cc')
| -rw-r--r-- | frontends/ast/ast.cc | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index 391e0a444..cb0311b6b 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -51,6 +51,7 @@ namespace AST_INTERNAL { std::map<std::string, AstNode*> current_scope; RTLIL::SigSpec *genRTLIL_subst_from = NULL; RTLIL::SigSpec *genRTLIL_subst_to = NULL; + RTLIL::SigSpec ignoreThisSignalsInInitial; AstNode *current_top_block, *current_block, *current_block_child; AstModule *current_module; } @@ -704,6 +705,9 @@ static AstModule* process_module(AstNode *ast) current_module->ast = NULL; current_module->name = ast->str; current_module->attributes["\\src"] = stringf("%s:%d", ast->filename.c_str(), ast->linenum); + + ignoreThisSignalsInInitial = RTLIL::SigSpec(); + for (auto &attr : ast->attributes) { if (attr.second->type != AST_CONSTANT) log_error("Attribute `%s' with non-constant value at %s:%d!\n", @@ -718,10 +722,20 @@ static AstModule* process_module(AstNode *ast) } for (size_t i = 0; i < ast->children.size(); i++) { AstNode *node = ast->children[i]; - if (node->type != AST_WIRE && node->type != AST_MEMORY) + if (node->type != AST_WIRE && node->type != AST_MEMORY && node->type != AST_INITIAL) node->genRTLIL(); } + ignoreThisSignalsInInitial.sort_and_unify(); + + for (size_t i = 0; i < ast->children.size(); i++) { + AstNode *node = ast->children[i]; + if (node->type == AST_INITIAL) + node->genRTLIL(); + } + + ignoreThisSignalsInInitial = RTLIL::SigSpec(); + current_module->ast = ast_before_simplify; current_module->nolatches = flag_nolatches; current_module->nomem2reg = flag_nomem2reg; |