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Merge remote-tracking branch 'origin/xaig_dff' into eddie/abc9_refactor

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This commit is contained in:
Eddie Hung 2020-01-02 15:57:35 -08:00
commit c28bea0382
22 changed files with 1075 additions and 1153 deletions
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24
passes/techmap/abc9.cc
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@ -101,6 +101,10 @@ struct Abc9Pass : public ScriptPass
log(" generate netlist using luts. Use the specified costs for luts with 1,\n");
log(" 2, 3, .. inputs.\n");
log("\n");
log(" -dff\n");
log(" also pass $_ABC9_FF_ cells through to ABC. modules with many clock\n");
log(" domains are marked as such and automatically partitioned by ABC.\n");
log("\n");
log(" -nocleanup\n");
log(" when this option is used, the temporary files created by this pass\n");
log(" are not removed. this is useful for debugging.\n");
@ -121,8 +125,8 @@ struct Abc9Pass : public ScriptPass
log("internally. This is not going to \"run ABC on your design\". It will instead run\n");
log("ABC on logic snippets extracted from your design. You will not get any useful\n");
log("output when passing an ABC script that writes a file. Instead write your full\n");
log("design as an XAIGER file with write_xaiger and then load that into ABC externally\n");
log("if you want to use ABC to convert your design into another format.\n");
log("design as an XAIGER file with `write_xaiger' and then load that into ABC\n");
log("externally if you want to use ABC to convert your design into another format.\n");
log("\n");
log("[1] http://www.eecs.berkeley.edu/~alanmi/abc/\n");
log("\n");
@ -131,12 +135,13 @@ struct Abc9Pass : public ScriptPass
}
std::stringstream map_cmd;
bool cleanup;
bool dff_mode, cleanup;
void clear_flags() YS_OVERRIDE
{
map_cmd.str("");
map_cmd << "abc9_map";
dff_mode = false;
cleanup = true;
}
@ -155,12 +160,16 @@ struct Abc9Pass : public ScriptPass
map_cmd << " " << arg << " " << args[++argidx];
continue;
}
if (arg == "-fast"
/*|| arg == "-nocleanup"*/ || arg == "-showtmp" || arg == "-markgroups"
|| arg == "-nomfs") {
if (arg == "-fast" || /* arg == "-dff" || */
/* arg == "-nocleanup" || */ arg == "-showtmp" || arg == "-markgroups" ||
arg == "-nomfs") {
map_cmd << " " << arg;
continue;
}
if (arg == "-dff") {
dff_mode = true;
continue;
}
if (arg == "-nocleanup") {
cleanup = false;
continue;
@ -182,7 +191,8 @@ struct Abc9Pass : public ScriptPass
run("techmap @abc9_holes");
run("aigmap @abc9_holes");
run("select -list @abc9_holes");
run("abc9_ops -prep_dff");
if (dff_mode)
run("abc9_ops -prep_dff");
run("opt -purge @abc9_holes");
run("setattr -mod -set whitebox 1 @abc9_holes");