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synth_gatemate: add -abc_new option

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Lofty 2026-04-30 11:35:03 +01:00
parent 0d3923d086
commit fecea911ff
10 changed files with 273 additions and 3 deletions
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19
techlibs/gatemate/synth_gatemate.cc
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@ -69,7 +69,8 @@ struct SynthGateMatePass : public ScriptPass
log(" do not use CC_MX{8,4} multiplexer cells in output netlist.\n");
log("\n");
log(" -luttree\n");
log(" use new LUT tree mapping approach (EXPERIMENTAL).\n");
log(" use LUT tree mapping for output to nextpnr. Do not use this if targeting\n");
log(" legacy p_r.\n");
log("\n");
log(" -dff\n");
log(" run 'abc' with -dff option\n");
@ -77,6 +78,9 @@ struct SynthGateMatePass : public ScriptPass
log(" -retime\n");
log(" run 'abc' with '-dff -D 1' options\n");
log("\n");
log(" -abc_new\n");
log(" use 'abc_new' instead of 'abc' for mapping. (EXPERIMENTAL)\n");
log("\n");
log(" -noiopad\n");
log(" disable I/O buffer insertion (useful for hierarchical or \n");
log(" out-of-context flows).\n");
@ -90,7 +94,7 @@ struct SynthGateMatePass : public ScriptPass
}
string top_opt, vlog_file, json_file;
bool noflatten, nobram, noaddf, nomult, nomx4, nomx8, luttree, dff, retime, noiopad, noclkbuf;
bool noflatten, nobram, noaddf, nomult, nomx4, nomx8, luttree, dff, retime, noiopad, noclkbuf, abc_new;
void clear_flags() override
{
@ -108,6 +112,7 @@ struct SynthGateMatePass : public ScriptPass
retime = false;
noiopad = false;
noclkbuf = false;
abc_new = false;
}
void execute(std::vector<std::string> args, RTLIL::Design *design) override
@ -182,6 +187,10 @@ struct SynthGateMatePass : public ScriptPass
noclkbuf = true;
continue;
}
if (args[argidx] == "-abc_new") {
abc_new = true;
continue;
}
break;
}
extra_args(args, argidx, design);
@ -312,7 +321,11 @@ struct SynthGateMatePass : public ScriptPass
if (dff) {
abc_args += " -dff";
}
run("abc " + abc_args, "(with -luttree)");
if (abc_new) {
run("abc_new " + abc_args, "(with -luttree and -abc_new)");
} else {
run("abc " + abc_args, "(with -luttree, without -abc_new)");
}
run("techmap -map +/gatemate/lut_tree_map.v", "(with -luttree)");
run("gatemate_foldinv", "(with -luttree)");
run("techmap -map +/gatemate/inv_map.v", "(with -luttree)");