diff options
| author | Clifford Wolf <clifford@clifford.at> | 2013-03-21 09:51:25 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-03-21 09:51:25 +0100 |
| commit | 87c771756661fda7dbcdd0bd1bf41af0c818e0d7 (patch) | |
| tree | 39d852b2a1f1fc3c4cfdb0e06c0497e2d78ef976 /backends/verilog/verilog_backend.cc | |
| parent | 91b94ef57bce14b346830f19f378fbb9fd495c96 (diff) | |
Avoid verilog-2k in verilog backend
Diffstat (limited to 'backends/verilog/verilog_backend.cc')
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index 613324b1..a4713cb0 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -245,6 +245,7 @@ void dump_attributes(FILE *f, std::string indent, std::map<RTLIL::IdString, RTLI void dump_wire(FILE *f, std::string indent, RTLIL::Wire *wire) { dump_attributes(f, indent, wire->attributes); +#if 0 if (wire->port_input && !wire->port_output) fprintf(f, "%s" "input %s", indent.c_str(), reg_wires.count(wire->name) ? "reg " : ""); else if (!wire->port_input && wire->port_output) @@ -256,6 +257,22 @@ void dump_wire(FILE *f, std::string indent, RTLIL::Wire *wire) if (wire->width != 1) fprintf(f, "[%d:%d] ", wire->width - 1 + wire->start_offset, wire->start_offset); fprintf(f, "%s;\n", id(wire->name).c_str()); +#else + // do not use Verilog-2k "outut reg" syntax in verilog export + std::string range = ""; + if (wire->width != 1) + range = stringf(" [%d:%d]", wire->width - 1 + wire->start_offset, wire->start_offset); + if (wire->port_input && !wire->port_output) + fprintf(f, "%s" "input%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str()); + if (!wire->port_input && wire->port_output) + fprintf(f, "%s" "output%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str()); + if (wire->port_input && wire->port_output) + fprintf(f, "%s" "inout%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str()); + if (reg_wires.count(wire->name)) + fprintf(f, "%s" "reg%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str()); + else if (!wire->port_input && !wire->port_output) + fprintf(f, "%s" "wire%s %s;\n", indent.c_str(), range.c_str(), id(wire->name).c_str()); +#endif } void dump_memory(FILE *f, std::string indent, RTLIL::Memory *memory) |