abc9: add -run option

diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 2e3df773ef920a8adfbc20c447b353cb28fda11c..2627ab9cad489b1f35d8df55055fdaaaea0d40fa 100644 (file)
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -91,6 +91,11 @@ struct Abc9Pass : public ScriptPass
                log("tool [1] for technology mapping of the current design to a target FPGA\n");
                log("architecture. Only fully-selected modules are supported.\n");
                log("\n");
+               log("    -run <from_label>:<to_label>\n");
+               log("        only run the commands between the labels (see below). an empty\n");
+               log("        from label is synonymous to 'begin', and empty to label is\n");
+               log("        synonymous to the end of the command list.\n");
+               log("\n");
                log("    -exe <command>\n");
 #ifdef ABCEXTERNAL
                log("        use the specified command instead of \"" ABCEXTERNAL "\" to execute ABC.\n");
@@ -210,13 +215,21 @@ struct Abc9Pass : public ScriptPass
                        }
                        if (arg == "-dff") {
                                dff_mode = true;
-                exe_cmd << " " << arg;
+                               exe_cmd << " " << arg;
                                continue;
                        }
                        if (arg == "-nocleanup") {
                                cleanup = false;
                                continue;
                        }
+                       if (arg == "-run" && argidx+1 < args.size()) {
+                               size_t pos = args[argidx+1].find(':');
+                               if (pos == std::string::npos)
+                                       break;
+                               run_from = args[++argidx].substr(0, pos);
+                               run_to = args[argidx].substr(pos+1);
+                               continue;
+                       }
                        break;
                }
                extra_args(args, argidx, design);