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-rw-r--r--backends/aiger/aiger.cc23
1 files changed, 17 insertions, 6 deletions
diff --git a/backends/aiger/aiger.cc b/backends/aiger/aiger.cc
index 7c851bb91..3e8b14dee 100644
--- a/backends/aiger/aiger.cc
+++ b/backends/aiger/aiger.cc
@@ -101,7 +101,7 @@ struct AigerWriter
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> unused_bits;
@@ -367,6 +367,12 @@ struct AigerWriter
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())
aig_latchin.push_back(1);
@@ -704,9 +710,9 @@ struct AigerBackend : public Backend {
log(" -vmap <filename>\n");
log(" like -map, but more verbose\n");
log("\n");
- log(" -I, -O, -B\n");
- log(" If the design contains no input/output/assert then create one\n");
- log(" dummy input/output/bad_state pin to make the tools reading the\n");
+ log(" -I, -O, -B, -L\n");
+ log(" If the design contains no input/output/assert/flip-flop then create one\n");
+ log(" dummy input/output/bad_state-pin or latch to make the tools reading the\n");
log(" AIGER file happy.\n");
log("\n");
}
@@ -720,6 +726,7 @@ struct AigerBackend : public Backend {
bool imode = false;
bool omode = false;
bool bmode = false;
+ bool lmode = false;
std::string map_filename;
log_header(design, "Executing AIGER backend.\n");
@@ -764,16 +771,20 @@ struct AigerBackend : public Backend {
bmode = true;
continue;
}
+ if (args[argidx] == "-L") {
+ lmode = true;
+ continue;
+ }
break;
}
- extra_args(f, filename, args, argidx);
+ extra_args(f, filename, args, argidx, !ascii_mode);
Module *top_module = design->top_module();
if (top_module == nullptr)
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);
if (!map_filename.empty()) {