diff options
Diffstat (limited to 'backends/verilog')
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index a7457d91e..8b8c3d7b1 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -153,17 +153,6 @@ bool is_reg_wire(RTLIL::SigSpec sig, std::string ®_name) return true; } -bool bit_check_equal(SigMap &sigmap, RTLIL::SigSpec &a, RTLIL::SigSpec &b) -{ - if (a.is_fully_const() && b.is_fully_const()){ - return (a.as_bool() == b.as_bool()); - }else if (!a.is_fully_const() && !b.is_fully_const()){ - return (sigmap(a) == sigmap(b)); - }else{ - return false; - } -} - void dump_const(std::ostream &f, const RTLIL::Const &data, int width = -1, int offset = 0, bool no_decimal = false, bool set_signed = false, bool escape_comment = false) { if (width < 0) @@ -892,10 +881,11 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) } int nwrite_ports = cell->parameters["\\WR_PORTS"].as_int(); - RTLIL::SigSpec sig_wr_clk, sig_wr_data, sig_wr_addr, sig_wr_en, sig_wr_en_bit, last_bit, current_bit; - bool wr_clk_posedge; //, use_wen; //, use_individual_wen_bits; - std::vector<RTLIL::SigSpec> lof_wen; - std::map<RTLIL::SigSpec, int> wen_to_width; + RTLIL::SigSpec sig_wr_clk, sig_wr_data, sig_wr_addr, sig_wr_en, sig_wr_en_bit; + RTLIL::SigBit last_bit, current_bit; + bool wr_clk_posedge; + RTLIL::SigSpec lof_wen; + dict<RTLIL::SigSpec, int> wen_to_width; SigMap sigmap(active_module); int n, wen_width; // write ports @@ -913,15 +903,15 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) wr_clk_posedge = cell->parameters["\\WR_CLK_POLARITY"].extract(i).as_bool(); // group the wen bits last_bit = sig_wr_en.extract(0); - lof_wen.push_back(last_bit); + lof_wen.append_bit(last_bit); wen_to_width[last_bit] = 0; for(int j=0; j<width; j++) { current_bit = sig_wr_en.extract(j); - if ( bit_check_equal(sigmap, current_bit, last_bit) ){ - wen_to_width[lof_wen.back()] += 1; + if ( sigmap(current_bit) == sigmap(last_bit) ){ + wen_to_width[current_bit] += 1; }else{ - lof_wen.push_back(current_bit); + lof_wen.append_bit(current_bit); wen_to_width[current_bit] = 1; } last_bit = current_bit; @@ -934,13 +924,12 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell) n = 0; for (auto &wen_bit : lof_wen) { wen_width = wen_to_width[wen_bit]; - if (!wen_bit.is_fully_zero()) + if ( !(wen_bit == RTLIL::SigBit(false)) ) { f << stringf("%s" "always @(%sedge ", indent.c_str(), wr_clk_posedge ? "pos" : "neg"); dump_sigspec(f, sig_wr_clk); f << stringf(")\n"); - //if (wen_bit.is_wire()) // why doesn't wen_bit.is_wire() work here? - if (!wen_bit.has_const()) + if ( !(wen_bit == RTLIL::SigBit(true)) ) { f << stringf("%s" " if (", indent.c_str()); dump_sigspec(f, wen_bit); |