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Merge branch 'koriakin/xc7nocarrymux' into xaig

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This commit is contained in:
Eddie Hung 2019-06-26 10:04:01 -07:00
commit 799b18263f
2 changed files with 26 additions and 9 deletions
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13
techlibs/ecp5/synth_ecp5.cc
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@ -76,7 +76,7 @@ struct SynthEcp5Pass : public ScriptPass
log(" -nodram\n");
log(" do not use distributed RAM cells in output netlist\n");
log("\n");
log(" -nomux\n");
log(" -nowidelut\n");
log(" do not use PFU muxes to implement LUTs larger than LUT4s\n");
log("\n");
log(" -abc2\n");
@ -96,7 +96,7 @@ struct SynthEcp5Pass : public ScriptPass
}
string top_opt, blif_file, edif_file, json_file;
bool noccu2, nodffe, nobram, nodram, nomux, flatten, retime, abc2, abc9, vpr;
bool noccu2, nodffe, nobram, nodram, nowidelut, flatten, retime, abc2, abc9, vpr;
void clear_flags() YS_OVERRIDE
{
@ -108,7 +108,7 @@ struct SynthEcp5Pass : public ScriptPass
nodffe = false;
nobram = false;
nodram = false;
nomux = false;
nowidelut = false;
flatten = true;
retime = false;
abc2 = false;
@ -176,8 +176,8 @@ struct SynthEcp5Pass : public ScriptPass
nodram = true;
continue;
}
if (args[argidx] == "-nomux") {
nomux = true;
if (args[argidx] == "-nowidelut" || args[argidx] == "-nomux") {
nowidelut = true;
continue;
}
if (args[argidx] == "-abc2") {
@ -275,12 +275,11 @@ struct SynthEcp5Pass : public ScriptPass
if (abc9) {
run("abc9 -lut +/ecp5/abc_5g.lut -box +/ecp5/abc_5g.box -W 200");
} else {
if (nomux)
if (nowidelut)
run("abc -lut 4 -dress");
else
run("abc -lut 4:7 -dress");
}
run("clean");
}