Retry "Add "-W' wire delay arg to abc9, use from synth_xilinx"
authorEddie Hung <eddie@fpgeh.com>
Wed, 12 Jun 2019 15:49:15 +0000 (08:49 -0700)
committerEddie Hung <eddie@fpgeh.com>
Wed, 12 Jun 2019 15:49:15 +0000 (08:49 -0700)
passes/techmap/abc9.cc
techlibs/xilinx/synth_xilinx.cc

index af9439e41ac2112f8f1db7f57b31f86162756674..19157adc60d647d7c3e4e5dc73d198efd2961d6c 100644 (file)
@@ -25,7 +25,7 @@
 #define ABC_COMMAND_LIB "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
 #define ABC_COMMAND_CTR "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put; buffer; upsize {D}; dnsize {D}; stime -p"
 //#define ABC_COMMAND_LUT "strash; ifraig; scorr; dc2; dretime; strash; dch -f; if; mfs2"
-#define ABC_COMMAND_LUT "&st; &sweep; &scorr; "/*"&dc2; */"&retime; &dch -f; &ps -l; &if -W 160 -v; &ps -l"
+#define ABC_COMMAND_LUT "&st; &sweep; &scorr; "/*"&dc2; */"&retime; &dch -f; &ps -l; &if {W} -v; &ps -l"
 #define ABC_COMMAND_SOP "strash; ifraig; scorr; dc2; dretime; strash; dch -f; cover {I} {P}"
 #define ABC_COMMAND_DFL "strash; ifraig; scorr; dc2; dretime; strash; &get -n; &dch -f; &nf {D}; &put"
 
@@ -272,7 +272,8 @@ failed:
 void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::string script_file, std::string exe_file,
                std::string liberty_file, std::string constr_file, bool cleanup, vector<int> lut_costs, bool dff_mode, std::string clk_str,
                bool keepff, std::string delay_target, std::string sop_inputs, std::string sop_products, std::string lutin_shared, bool fast_mode,
-               const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, std::string box_file, std::string lut_file)
+               const std::vector<RTLIL::Cell*> &cells, bool show_tempdir, bool sop_mode, std::string box_file, std::string lut_file,
+               std::string wire_delay)
 {
        module = current_module;
        map_autoidx = autoidx++;
@@ -387,6 +388,9 @@ void abc9_module(RTLIL::Design *design, RTLIL::Module *current_module, std::stri
        for (size_t pos = abc_script.find("{S}"); pos != std::string::npos; pos = abc_script.find("{S}", pos))
                abc_script = abc_script.substr(0, pos) + lutin_shared + abc_script.substr(pos+3);
 
+       for (size_t pos = abc_script.find("{W}"); pos != std::string::npos; pos = abc_script.find("{W}", pos))
+               abc_script = abc_script.substr(0, pos) + wire_delay + abc_script.substr(pos+3);
+
        abc_script += stringf("; &write %s/output.aig", tempdir_name.c_str());
        abc_script = add_echos_to_abc_cmd(abc_script);
 
@@ -960,7 +964,7 @@ struct Abc9Pass : public Pass {
                std::string exe_file = proc_self_dirname() + "yosys-abc";
 #endif
                std::string script_file, liberty_file, constr_file, clk_str, box_file, lut_file;
-               std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1";
+               std::string delay_target, sop_inputs, sop_products, lutin_shared = "-S 1", wire_delay;
                bool fast_mode = false, dff_mode = false, keepff = false, cleanup = true;
                bool show_tempdir = false, sop_mode = false;
                vector<int> lut_costs;
@@ -1214,6 +1218,10 @@ struct Abc9Pass : public Pass {
                                        box_file = std::string(pwd) + "/" + box_file;
                                continue;
                        }
+                       if (arg == "-W" && argidx+1 < args.size()) {
+                               wire_delay = "-S " + args[++argidx];
+                               continue;
+                       }
                        break;
                }
                extra_args(args, argidx, design);
@@ -1256,7 +1264,7 @@ struct Abc9Pass : public Pass {
                        if (!dff_mode || !clk_str.empty()) {
                                abc9_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, dff_mode, clk_str, keepff,
                                                delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, mod->selected_cells(), show_tempdir, sop_mode,
-                                               box_file, lut_file);
+                                               box_file, lut_file, wire_delay);
                                continue;
                        }
 
@@ -1402,7 +1410,7 @@ struct Abc9Pass : public Pass {
                                en_sig = assign_map(std::get<3>(it.first));
                                abc9_module(design, mod, script_file, exe_file, liberty_file, constr_file, cleanup, lut_costs, !clk_sig.empty(), "$",
                                                keepff, delay_target, sop_inputs, sop_products, lutin_shared, fast_mode, it.second, show_tempdir, sop_mode,
-                                               box_file, lut_file);
+                                               box_file, lut_file, wire_delay);
                                assign_map.set(mod);
                        }
                }
index f5f8c43e0d0ab0961c90161477efc1fba222d528..f966115cdc95bcf41cde26e2c086221a708989b5 100644 (file)
@@ -297,7 +297,7 @@ struct SynthXilinxPass : public ScriptPass
 
                if (check_label("map_luts")) {
                        if (abc == "abc9")
-                               run(abc + " -lut +/xilinx/abc.lut -box +/xilinx/abc.box" + string(retime ? " -dff" : ""));
+                               run(abc + " -lut +/xilinx/abc.lut -box +/xilinx/abc.box -W 160" + string(retime ? " -dff" : ""));
                        else if (help_mode)
                                run(abc + " -luts 2:2,3,6:5,10,20 [-dff]");
                        else