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Remove flattening from FABulous pass

This commit is contained in:
TaoBi22 2022-09-27 16:31:57 +01:00 committed by myrtle
parent 8fdf4948a8
commit 950dde3081
1 changed files with 2 additions and 11 deletions
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13
techlibs/fabulous/synth_fabulous.cc
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@ -44,10 +44,6 @@ struct SynthPass : public ScriptPass
log(" -auto-top\n"); log(" -auto-top\n");
log(" automatically determine the top of the design hierarchy\n"); log(" automatically determine the top of the design hierarchy\n");
log("\n"); log("\n");
log(" -flatten\n");
log(" flatten the design before synthesis. this will pass '-auto-top' to\n");
log(" 'hierarchy' if no top module is specified.\n");
log("\n");
log(" -lut <k>\n"); log(" -lut <k>\n");
log(" perform synthesis for a k-LUT architecture (default 4).\n"); log(" perform synthesis for a k-LUT architecture (default 4).\n");
log("\n"); log("\n");
@ -63,14 +59,13 @@ struct SynthPass : public ScriptPass
} }
string top_module; string top_module;
bool autotop, flatten, forvpr; bool autotop, forvpr;
int lut; int lut;
void clear_flags() override void clear_flags() override
{ {
top_module.clear(); top_module.clear();
autotop = false; autotop = false;
flatten = false;
lut = 4; lut = 4;
forvpr = false; forvpr = false;
} }
@ -107,10 +102,6 @@ struct SynthPass : public ScriptPass
autotop = true; autotop = true;
continue; continue;
} }
if (args[argidx] == "-flatten") {
flatten = true;
continue;
}
if (args[argidx] == "-lut") { if (args[argidx] == "-lut") {
lut = atoi(args[++argidx].c_str()); lut = atoi(args[++argidx].c_str());
continue; continue;
@ -133,7 +124,7 @@ struct SynthPass : public ScriptPass
void script() override void script() override
{ {
if (top_module.empty()) { if (top_module.empty()) {
if (flatten || autotop) if (autotop)
run("hierarchy -check -auto-top"); run("hierarchy -check -auto-top");
else else
run("hierarchy -check"); run("hierarchy -check");