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More write_xaiger cleanup

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This commit is contained in:
Eddie Hung 2019-06-12 10:00:57 -07:00
parent 4be417f6e1
commit 14e870d4c4
2 changed files with 13 additions and 41 deletions
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52
backends/aiger/xaiger.cc
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@ -105,7 +105,7 @@ struct XAigerWriter
return aig_map.at(bit);
}
XAigerWriter(Module *module, bool zinit_mode, bool imode, bool omode, bool holes_mode=false) : module(module), zinit_mode(zinit_mode), sigmap(module)
XAigerWriter(Module *module, bool zinit_mode, bool holes_mode=false) : module(module), zinit_mode(zinit_mode), sigmap(module)
{
pool<SigBit> undriven_bits;
pool<SigBit> unused_bits;
@ -543,10 +543,6 @@ struct XAigerWriter
ff_aig_map[bit] = 2*aig_m;
}
if (imode && input_bits.empty()) {
aig_m++, aig_i++;
}
//if (zinit_mode)
//{
// for (auto it : ff_map) {
@ -620,13 +616,9 @@ struct XAigerWriter
aig_outputs.push_back(ff_aig_map.at(bit));
}
if (omode && output_bits.empty()) {
aig_o++;
aig_outputs.push_back(0);
}
}
void write_aiger(std::ostream &f, bool ascii_mode, bool omode)
void write_aiger(std::ostream &f, bool ascii_mode)
{
int aig_obc = aig_o;
int aig_obcj = aig_obc;
@ -716,18 +708,15 @@ struct XAigerWriter
#endif
h_buffer.write(reinterpret_cast<const char*>(&i32_be), sizeof(i32_be));
};
int num_outputs = output_bits.size();
if (omode && num_outputs == 0)
num_outputs = 1;
write_h_buffer(1);
log_debug("ciNum = %zu\n", input_bits.size() + ff_bits.size() + ci_bits.size());
write_h_buffer(input_bits.size() + ff_bits.size() + ci_bits.size());
log_debug("coNum = %zu\n", num_outputs + ff_bits.size() + co_bits.size());
write_h_buffer(num_outputs + ff_bits.size()+ co_bits.size());
log_debug("coNum = %zu\n", output_bits.size() + ff_bits.size() + co_bits.size());
write_h_buffer(output_bits.size() + ff_bits.size()+ co_bits.size());
log_debug("piNum = %zu\n", input_bits.size() + ff_bits.size());
write_h_buffer(input_bits.size()+ ff_bits.size());
log_debug("poNum = %zu\n", num_outputs + ff_bits.size());
write_h_buffer(num_outputs + ff_bits.size());
log_debug("poNum = %zu\n", output_bits.size() + ff_bits.size());
write_h_buffer(output_bits.size() + ff_bits.size());
log_debug("boxNum = %zu\n", box_list.size());
write_h_buffer(box_list.size());
@ -859,8 +848,8 @@ struct XAigerWriter
holes_module->design->selection_stack.pop_back();
std::stringstream a_buffer;
XAigerWriter writer(holes_module, false /*zinit_mode*/, false /*imode*/, false /*omode*/, true /* holes_mode */);
writer.write_aiger(a_buffer, false /*ascii_mode*/, false /* omode */);
XAigerWriter writer(holes_module, false /*zinit_mode*/, true /* holes_mode */);
writer.write_aiger(a_buffer, false /*ascii_mode*/);
f << "a";
std::string buffer_str = a_buffer.str();
@ -879,7 +868,7 @@ struct XAigerWriter
f << stringf("Generated by %s\n", yosys_version_str);
}
void write_map(std::ostream &f, bool verbose_map, bool omode)
void write_map(std::ostream &f, bool verbose_map)
{
dict<int, string> input_lines;
dict<int, string> init_lines;
@ -952,8 +941,6 @@ struct XAigerWriter
for (auto &it : output_lines)
f << it.second;
log_assert(output_lines.size() == output_bits.size());
if (omode && output_bits.empty())
f << "output " << output_lines.size() << " 0 __dummy_o__\n";
latch_lines.sort();
for (auto &it : latch_lines)
@ -989,19 +976,12 @@ struct XAigerBackend : 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(" AIGER file happy.\n");
log("\n");
}
void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
bool ascii_mode = false;
bool zinit_mode = false;
bool verbose_map = false;
bool imode = false;
bool omode = false;
std::string map_filename;
log_header(design, "Executing XAIGER backend.\n");
@ -1026,14 +1006,6 @@ struct XAigerBackend : public Backend {
verbose_map = true;
continue;
}
if (args[argidx] == "-I") {
imode = true;
continue;
}
if (args[argidx] == "-O") {
omode = true;
continue;
}
break;
}
extra_args(f, filename, args, argidx);
@ -1043,15 +1015,15 @@ struct XAigerBackend : public Backend {
if (top_module == nullptr)
log_error("Can't find top module in current design!\n");
XAigerWriter writer(top_module, zinit_mode, imode, omode);
writer.write_aiger(*f, ascii_mode, omode);
XAigerWriter writer(top_module, zinit_mode);
writer.write_aiger(*f, ascii_mode);
if (!map_filename.empty()) {
std::ofstream mapf;
mapf.open(map_filename.c_str(), std::ofstream::trunc);
if (mapf.fail())
log_error("Can't open file `%s' for writing: %s\n", map_filename.c_str(), strerror(errno));
writer.write_map(mapf, verbose_map, omode);
writer.write_map(mapf, verbose_map);
}
}
} XAigerBackend;