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synth_quicklogic: add -noflatten option #4735

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synth_quicklogic: add -noflatten option #4735

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10 changes: 8 additions & 2 deletions techlibs/quicklogic/synth_quicklogic.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -78,7 +78,7 @@ struct SynthQuickLogicPass : public ScriptPass {
}

string top_opt, blif_file, edif_file, family, currmodule, verilog_file, lib_path;
bool abc9, inferAdder, nobram, bramTypes, dsp;
bool abc9, inferAdder, nobram, bramTypes, dsp, flatten;

void clear_flags() override
{
Expand All @@ -94,6 +94,7 @@ struct SynthQuickLogicPass : public ScriptPass {
bramTypes = false;
lib_path = "+/quicklogic/";
dsp = true;
flatten = true;
}

void set_scratchpad_defaults(RTLIL::Design *design) {
Expand Down Expand Up @@ -158,6 +159,10 @@ struct SynthQuickLogicPass : public ScriptPass {
dsp = false;
continue;
}
if (args[argidx] == "-noflatten") {
flatten = false;
continue;
}
break;
}
extra_args(args, argidx, design);
Expand Down Expand Up @@ -202,7 +207,8 @@ struct SynthQuickLogicPass : public ScriptPass {

if (check_label("prepare")) {
run("proc");
run("flatten");
if (flatten)
run("flatten", "(unless -noflatten)");
if (help_mode || family == "pp3") {
run("tribuf -logic", " (for pp3)");
}
Expand Down
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