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| author | Clifford Wolf <clifford@clifford.at> | 2013-11-24 17:47:22 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2013-11-24 17:47:22 +0100 |
| commit | 41205afc39ae83881d82738765da148370eb5f4d (patch) | |
| tree | de817a5331c36029a225f6b0f2db2e12926f9a25 | |
| parent | 0ef22c76095bcca8ac7cacfc32e4ce6dd552addf (diff) | |
| download | yosys-41205afc39ae83881d82738765da148370eb5f4d.tar.gz yosys-41205afc39ae83881d82738765da148370eb5f4d.tar.bz2 yosys-41205afc39ae83881d82738765da148370eb5f4d.zip | |
Added proper dumping of signed/unsigned parameters to verilog backend
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index d733bdc5a..4edf0392b 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -149,7 +149,7 @@ bool is_reg_wire(RTLIL::SigSpec sig, std::string ®_name) return true; } -void dump_const(FILE *f, RTLIL::Const &data, int width = -1, int offset = 0, bool no_decimal = false) +void dump_const(FILE *f, RTLIL::Const &data, int width = -1, int offset = 0, bool no_decimal = false, bool set_signed = false) { if (width < 0) width = data.bits.size() - offset; @@ -163,10 +163,11 @@ void dump_const(FILE *f, RTLIL::Const &data, int width = -1, int offset = 0, boo if (data.bits[i] == RTLIL::S1) val |= 1 << (i - offset); } - fprintf(f, "%s32'sd%u", val < 0 ? "-" : "", abs(val)); + // fprintf(f, "%s32'sd%u", val < 0 ? "-" : "", abs(val)); + fprintf(f, "%d", val); } else { dump_bits: - fprintf(f, "%d'b", width); + fprintf(f, "%d'%sb", width, set_signed ? "s" : ""); if (width == 0) fprintf(f, "0"); for (int i = offset+width-1; i >= offset; i--) { @@ -638,7 +639,8 @@ void dump_cell(FILE *f, std::string indent, RTLIL::Cell *cell) if (it != cell->parameters.begin()) fprintf(f, ","); fprintf(f, "\n%s .%s(", indent.c_str(), id(it->first).c_str()); - dump_const(f, it->second); + bool is_signed = cell->signed_parameters.count(it->first) > 0; + dump_const(f, it->second, -1, 0, !is_signed, is_signed); fprintf(f, ")"); } fprintf(f, "\n%s" ")", indent.c_str()); |