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Add "write_aiger -L" 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-09-18 13:33:02 +02:00
parent b88d2e5f30
commit 779ce3537f
1 changed files with 16 additions and 5 deletions
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21
backends/aiger/aiger.cc
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@ -101,7 +101,7 @@ struct AigerWriter
return a; return a;
} }
AigerWriter(Module *module, bool zinit_mode, bool imode, bool omode, bool bmode) : module(module), zinit_mode(zinit_mode), sigmap(module) AigerWriter(Module *module, bool zinit_mode, bool imode, bool omode, bool bmode, bool lmode) : module(module), zinit_mode(zinit_mode), sigmap(module)
{ {
pool<SigBit> undriven_bits; pool<SigBit> undriven_bits;
pool<SigBit> unused_bits; pool<SigBit> unused_bits;
@ -367,6 +367,12 @@ struct AigerWriter
aig_latchin.push_back(a); aig_latchin.push_back(a);
} }
if (lmode && aig_l == 0) {
aig_m++, aig_l++;
aig_latchinit.push_back(0);
aig_latchin.push_back(0);
}
if (!initstate_bits.empty() || !init_inputs.empty()) if (!initstate_bits.empty() || !init_inputs.empty())
aig_latchin.push_back(1); aig_latchin.push_back(1);
@ -704,9 +710,9 @@ struct AigerBackend : public Backend {
log(" -vmap <filename>\n"); log(" -vmap <filename>\n");
log(" like -map, but more verbose\n"); log(" like -map, but more verbose\n");
log("\n"); log("\n");
log(" -I, -O, -B\n"); log(" -I, -O, -B, -L\n");
log(" If the design contains no input/output/assert then create one\n"); log(" If the design contains no input/output/assert/flip-flop then create one\n");
log(" dummy input/output/bad_state pin to make the tools reading the\n"); log(" dummy input/output/bad_state-pin or latch to make the tools reading the\n");
log(" AIGER file happy.\n"); log(" AIGER file happy.\n");
log("\n"); log("\n");
} }
@ -720,6 +726,7 @@ struct AigerBackend : public Backend {
bool imode = false; bool imode = false;
bool omode = false; bool omode = false;
bool bmode = false; bool bmode = false;
bool lmode = false;
std::string map_filename; std::string map_filename;
log_header(design, "Executing AIGER backend.\n"); log_header(design, "Executing AIGER backend.\n");
@ -764,6 +771,10 @@ struct AigerBackend : public Backend {
bmode = true; bmode = true;
continue; continue;
} }
if (args[argidx] == "-L") {
lmode = true;
continue;
}
break; break;
} }
extra_args(f, filename, args, argidx); extra_args(f, filename, args, argidx);
@ -773,7 +784,7 @@ struct AigerBackend : public Backend {
if (top_module == nullptr) if (top_module == nullptr)
log_error("Can't find top module in current design!\n"); log_error("Can't find top module in current design!\n");
AigerWriter writer(top_module, zinit_mode, imode, omode, bmode); AigerWriter writer(top_module, zinit_mode, imode, omode, bmode, lmode);
writer.write_aiger(*f, ascii_mode, miter_mode, symbols_mode); writer.write_aiger(*f, ascii_mode, miter_mode, symbols_mode);
if (!map_filename.empty()) { if (!map_filename.empty()) {