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rtlil_backend: fix dumping sigsig connections

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This commit is contained in:
Emil J. Tywoniak 2026-07-13 13:07:05 +02:00
parent 5a33f45181
commit 605a0e7de5
1 changed files with 22 additions and 9 deletions
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31
backends/rtlil/rtlil_backend.cc
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@ -163,6 +163,22 @@ static std::string twine_cmt(const RTLIL::Design *design, TwineRef ref, DumpMode
return stringf(" # %s", design->twines.str(ref).c_str()); return stringf(" # %s", design->twines.str(ref).c_str());
} }
static std::string sigspec_str(const RTLIL::SigSpec &sig, DumpMode mode)
{
std::ostringstream ss;
RTLIL_BACKEND::dump_sigspec(ss, sig, true, mode);
return ss.str();
}
static void dump_connect(std::ostream &f, const std::string &indent, DumpMode mode,
const std::string &operands, const std::string &readable)
{
f << indent << "connect " << operands;
if (mode == DumpMode::Replayable && readable != operands)
f << " # " << readable;
f << "\n";
}
void RTLIL_BACKEND::dump_sigchunk(std::ostream &f, const RTLIL::SigChunk &chunk, bool autoint, DumpMode mode) void RTLIL_BACKEND::dump_sigchunk(std::ostream &f, const RTLIL::SigChunk &chunk, bool autoint, DumpMode mode)
{ {
if (chunk.wire == NULL) { if (chunk.wire == NULL) {
@ -249,10 +265,9 @@ void RTLIL_BACKEND::dump_cell(std::ostream &f, std::string indent, const RTLIL::
f << stringf("\n"); f << stringf("\n");
} }
for (const auto& [port, sig] : reversed(cell->connections_)) { for (const auto& [port, sig] : reversed(cell->connections_)) {
f << stringf("%s connect ", indent); std::string operands = twine_ref(design, port, mode) + " " + sigspec_str(sig, mode);
f << twine_ref(design, port, mode) << " "; std::string readable = twine_ref(design, port, DumpMode::Readable) + " " + sigspec_str(sig, DumpMode::Readable);
dump_sigspec(f, sig, true, mode); dump_connect(f, indent + " ", mode, operands, readable);
f << twine_cmt(design, port, mode) << "\n";
} }
f << stringf("%s" "end\n", indent); f << stringf("%s" "end\n", indent);
} }
@ -348,11 +363,9 @@ void RTLIL_BACKEND::dump_proc(std::ostream &f, std::string indent, const RTLIL::
void RTLIL_BACKEND::dump_conn(std::ostream &f, std::string indent, const RTLIL::SigSpec &left, const RTLIL::SigSpec &right, DumpMode mode) void RTLIL_BACKEND::dump_conn(std::ostream &f, std::string indent, const RTLIL::SigSpec &left, const RTLIL::SigSpec &right, DumpMode mode)
{ {
f << stringf("%s" "connect ", indent); std::string operands = sigspec_str(left, mode) + " " + sigspec_str(right, mode);
dump_sigspec(f, left, true, mode); std::string readable = sigspec_str(left, DumpMode::Readable) + " " + sigspec_str(right, DumpMode::Readable);
f << stringf(" "); dump_connect(f, indent, mode, operands, readable);
dump_sigspec(f, right, true, mode);
f << stringf("\n");
} }
void RTLIL_BACKEND::dump_module(std::ostream &f, std::string indent, RTLIL::Module *module, RTLIL::Design *design, bool only_selected, bool flag_m, bool flag_n, DumpMode mode) void RTLIL_BACKEND::dump_module(std::ostream &f, std::string indent, RTLIL::Module *module, RTLIL::Design *design, bool only_selected, bool flag_m, bool flag_n, DumpMode mode)