diff options
Diffstat (limited to 'backends/verilog')
| -rw-r--r-- | backends/verilog/verilog_backend.cc | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc index 1dcc3003a..a22035edb 100644 --- a/backends/verilog/verilog_backend.cc +++ b/backends/verilog/verilog_backend.cc @@ -133,18 +133,23 @@ std::string id(std::string internal_id, bool may_rename = true) bool is_reg_wire(RTLIL::SigSpec sig, std::string ®_name) { - if (sig.chunks().size() != 1 || sig.chunks()[0].wire == NULL) + if (!sig.is_chunk() || sig.as_chunk().wire == NULL) return false; - if (reg_wires.count(sig.chunks()[0].wire->name) == 0) + + RTLIL::SigChunk chunk = sig.as_chunk(); + + if (reg_wires.count(chunk.wire->name) == 0) return false; - reg_name = id(sig.chunks()[0].wire->name); - if (sig.size() != sig.chunks()[0].wire->width) { + + reg_name = id(chunk.wire->name); + if (sig.size() != chunk.wire->width) { if (sig.size() == 1) - reg_name += stringf("[%d]", sig.chunks()[0].wire->start_offset + sig.chunks()[0].offset); + reg_name += stringf("[%d]", chunk.wire->start_offset + chunk.offset); else - reg_name += stringf("[%d:%d]", sig.chunks()[0].wire->start_offset + sig.chunks()[0].offset + sig.chunks()[0].width - 1, - sig.chunks()[0].wire->start_offset + sig.chunks()[0].offset); + reg_name += stringf("[%d:%d]", chunk.wire->start_offset + chunk.offset + chunk.width - 1, + chunk.wire->start_offset + chunk.offset); } + return true; } @@ -220,8 +225,8 @@ void dump_sigchunk(FILE *f, const RTLIL::SigChunk &chunk, bool no_decimal = fals void dump_sigspec(FILE *f, RTLIL::SigSpec &sig) { - if (sig.chunks().size() == 1) { - dump_sigchunk(f, sig.chunks()[0]); + if (sig.is_chunk()) { + dump_sigchunk(f, sig.as_chunk()); } else { fprintf(f, "{ "); for (auto it = sig.chunks().rbegin(); it != sig.chunks().rend(); it++) { @@ -299,10 +304,10 @@ std::string cellname(RTLIL::Cell *cell) if (!norename && cell->name[0] == '$' && reg_ct.cell_known(cell->type) && cell->connections.count("\\Q") > 0) { RTLIL::SigSpec sig = cell->connections["\\Q"]; - if (sig.size() != 1 || sig.is_fully_const()) + if (SIZE(sig) != 1 || sig.is_fully_const()) goto no_special_reg_name; - RTLIL::Wire *wire = sig.chunks()[0].wire; + RTLIL::Wire *wire = sig[0].wire; if (wire->name[0] != '\\') goto no_special_reg_name; @@ -316,7 +321,7 @@ std::string cellname(RTLIL::Cell *cell) cell_name = cell_name + "_reg"; if (wire->width != 1) - cell_name += stringf("[%d]", wire->start_offset + sig.chunks()[0].offset); + cell_name += stringf("[%d]", wire->start_offset + sig[0].offset); if (active_module && active_module->count_id(cell_name) > 0) goto no_special_reg_name; @@ -809,9 +814,9 @@ void case_body_find_regs(RTLIL::CaseRule *cs) case_body_find_regs(*it2); for (auto it = cs->actions.begin(); it != cs->actions.end(); it++) { - for (size_t i = 0; i < it->first.chunks().size(); i++) - if (it->first.chunks()[i].wire) - reg_wires.insert(it->first.chunks()[i].wire->name); + for (auto &c : it->first.chunks()) + if (c.wire != NULL) + reg_wires.insert(c.wire->name); } } @@ -821,9 +826,9 @@ void dump_process(FILE *f, std::string indent, RTLIL::Process *proc, bool find_r case_body_find_regs(&proc->root_case); for (auto it = proc->syncs.begin(); it != proc->syncs.end(); it++) for (auto it2 = (*it)->actions.begin(); it2 != (*it)->actions.end(); it2++) { - for (size_t i = 0; i < it2->first.chunks().size(); i++) - if (it2->first.chunks()[i].wire) - reg_wires.insert(it2->first.chunks()[i].wire->name); + for (auto &c : it2->first.chunks()) + if (c.wire != NULL) + reg_wires.insert(c.wire->name); } return; } @@ -908,9 +913,12 @@ void dump_module(FILE *f, std::string indent, RTLIL::Module *module) RTLIL::SigSpec sig = cell->connections["\\Q"]; - if (sig.chunks().size() == 1 && sig.chunks()[0].wire) - for (int i = 0; i < sig.chunks()[0].width; i++) - reg_bits.insert(std::pair<RTLIL::Wire*,int>(sig.chunks()[0].wire, sig.chunks()[0].offset+i)); + if (sig.is_chunk()) { + RTLIL::SigChunk chunk = sig.as_chunk(); + if (chunk.wire != NULL) + for (int i = 0; i < chunk.width; i++) + reg_bits.insert(std::pair<RTLIL::Wire*,int>(chunk.wire, chunk.offset+i)); + } } for (auto &it : module->wires) { |