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| author | Jannis Harder <me@jix.one> | 2022-11-10 16:27:13 +0100 |
|---|---|---|
| committer | Jannis Harder <me@jix.one> | 2022-11-30 18:24:35 +0100 |
| commit | 82b630a246cd02a2df56786e7a25d4c38103e8cf (patch) | |
| tree | 81fc93fc0d71989339f2e267d9ab8b83a47d1608 /backends | |
| parent | 5cb7d0fe9d61ac0e07c697cc012e11aeffa806bc (diff) | |
| download | yosys-82b630a246cd02a2df56786e7a25d4c38103e8cf.tar.gz yosys-82b630a246cd02a2df56786e7a25d4c38103e8cf.tar.bz2 yosys-82b630a246cd02a2df56786e7a25d4c38103e8cf.zip | |
verilog_backend: Correctly sign extend output of signed `$modfloor`
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index 38a89f6ac..5a9d9b63f 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -1209,7 +1209,7 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) if (cell->type == ID($modfloor)) { // wire truncated = $signed(A) % $signed(B); - // assign Y = (A[-1] == B[-1]) || truncated == 0 ? truncated : $signed(B) + $signed(truncated); + // assign Y = (A[-1] == B[-1]) || truncated == 0 ? $signed(truncated) : $signed(B) + $signed(truncated); if (cell->getParam(ID::A_SIGNED).as_bool() && cell->getParam(ID::B_SIGNED).as_bool()) { SigSpec sig_a = cell->getPort(ID::A); @@ -1229,7 +1229,7 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) dump_sigspec(f, sig_a.extract(sig_a.size()-1)); f << stringf(" == "); dump_sigspec(f, sig_b.extract(sig_b.size()-1)); - f << stringf(") || %s == 0 ? %s : ", temp_id.c_str(), temp_id.c_str()); + f << stringf(") || %s == 0 ? $signed(%s) : ", temp_id.c_str(), temp_id.c_str()); dump_cell_expr_port(f, cell, "B", true); f << stringf(" + $signed(%s);\n", temp_id.c_str()); return true; |