diff options
Diffstat (limited to 'frontends/ast/ast.cc')
| -rw-r--r-- | frontends/ast/ast.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc index f42313959..a14297b62 100644 --- a/frontends/ast/ast.cc +++ b/frontends/ast/ast.cc @@ -46,7 +46,7 @@ namespace AST { // instanciate global variables (private API) namespace AST_INTERNAL { - bool flag_dump_ast, flag_dump_ast_diff, flag_dump_vlog, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib; + bool flag_dump_ast, flag_dump_ast_diff, flag_dump_vlog, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt; AstNode *current_ast, *current_ast_mod; std::map<std::string, AstNode*> current_scope; RTLIL::SigSpec *genRTLIL_subst_from = NULL; @@ -674,7 +674,7 @@ static AstModule* process_module(AstNode *ast) current_ast_mod = ast; AstNode *ast_before_simplify = ast->clone(); - while (ast->simplify(false, false, false, 0)) { } + while (ast->simplify(!flag_noopt, false, false, 0)) { } if (flag_dump_ast) { log("Dumping verilog AST (as requested by %s option):\n", flag_dump_ast_diff ? "dump_ast_diff" : "dump_ast"); @@ -740,11 +740,12 @@ static AstModule* process_module(AstNode *ast) current_module->nomem2reg = flag_nomem2reg; current_module->mem2reg = flag_mem2reg; current_module->lib = flag_lib; + current_module->noopt = flag_noopt; return current_module; } // create AstModule instances for all modules in the AST tree and add them to 'design' -void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast, bool dump_ast_diff, bool dump_vlog, bool nolatches, bool nomem2reg, bool mem2reg, bool lib) +void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast, bool dump_ast_diff, bool dump_vlog, bool nolatches, bool nomem2reg, bool mem2reg, bool lib, bool noopt) { current_ast = ast; flag_dump_ast = dump_ast; @@ -754,6 +755,7 @@ void AST::process(RTLIL::Design *design, AstNode *ast, bool dump_ast, bool dump_ flag_nomem2reg = nomem2reg; flag_mem2reg = mem2reg; flag_lib = lib; + flag_noopt = noopt; assert(current_ast->type == AST_DESIGN); for (auto it = current_ast->children.begin(); it != current_ast->children.end(); it++) { @@ -784,6 +786,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, std::map<RTLIL::IdStrin flag_nomem2reg = nomem2reg; flag_mem2reg = mem2reg; flag_lib = lib; + flag_noopt = noopt; use_internal_line_num(); std::string para_info; @@ -868,6 +871,7 @@ void AstModule::update_auto_wires(std::map<RTLIL::IdString, int> auto_sizes) flag_nomem2reg = nomem2reg; flag_mem2reg = mem2reg; flag_lib = lib; + flag_noopt = noopt; use_internal_line_num(); for (auto it = auto_sizes.begin(); it != auto_sizes.end(); it++) { |