Do not call "setundef -zero" in abc9
authorEddie Hung <eddie@fpgeh.com>
Thu, 20 Jun 2019 17:22:14 +0000 (10:22 -0700)
committerEddie Hung <eddie@fpgeh.com>
Fri, 21 Jun 2019 00:38:04 +0000 (17:38 -0700)
passes/techmap/abc9.cc

index 2f670dba236caaabd2eabb7ef9fa1fd08b242099..fc9da11732341260d5bac1a9e740a82ff5700345 100644 (file)
@@ -380,9 +380,6 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
                RTLIL::Selection& sel = design->selection_stack.back();
                sel.select(module);
 
-               // Behave as for "abc" where BLIF writer implicitly outputs all undef as zero
-               Pass::call(design, "setundef -zero");
-
                Pass::call(design, "aigmap");
 
                handle_loops(design);
@@ -406,7 +403,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
                        reader.parse_xaiger();
                }
                ifs.close();
-               Pass::call(design, stringf("write_verilog -noexpr -norename %s/%s", tempdir_name.c_str(), "input.v"));
+               Pass::call(design, stringf("write_verilog -noexpr -norename"));
                design->remove(design->module("$__abc9__"));
 #endif
 
@@ -479,7 +476,7 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
                ifs.close();
 
 #if 0
-               Pass::call(design, stringf("write_verilog -noexpr -norename %s/%s", tempdir_name.c_str(), "output.v"));
+               Pass::call(design, stringf("write_verilog -noexpr -norename"));
 #endif
 
                log_header(design, "Re-integrating ABC9 results.\n");