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author | whitequark <whitequark@whitequark.org> | 2020-04-06 10:56:22 +0000 |
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committer | GitHub <noreply@github.com> | 2020-04-06 10:56:22 +0000 |
commit | 79c614906978a94a8ff80d963d13b34dc5d86d00 (patch) | |
tree | 96260d02b9abd4594911daf9ba9c7c7061d81bea /passes/techmap | |
parent | 8340660518c34c500279c0eb43a0d4b1a79837c8 (diff) | |
parent | f3e282a97cd486765fa99a8544589d80bc150e11 (diff) | |
download | yosys-79c614906978a94a8ff80d963d13b34dc5d86d00.tar.gz yosys-79c614906978a94a8ff80d963d13b34dc5d86d00.tar.bz2 yosys-79c614906978a94a8ff80d963d13b34dc5d86d00.zip |
Merge pull request #1865 from boqwxp/cleanup_dfflibmap
Clean up `passes/techmap/dfflibmap.cc`.
Diffstat (limited to 'passes/techmap')
-rw-r--r-- | passes/techmap/dfflibmap.cc | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/passes/techmap/dfflibmap.cc b/passes/techmap/dfflibmap.cc index b15109cd3..aa344cf8a 100644 --- a/passes/techmap/dfflibmap.cc +++ b/passes/techmap/dfflibmap.cc @@ -78,7 +78,7 @@ static void logmap_all() static bool parse_pin(LibertyAst *cell, LibertyAst *attr, std::string &pin_name, bool &pin_pol) { - if (cell == NULL || attr == NULL || attr->value.empty()) + if (cell == nullptr || attr == nullptr || attr->value.empty()) return false; std::string value = attr->value; @@ -117,7 +117,7 @@ static bool parse_pin(LibertyAst *cell, LibertyAst *attr, std::string &pin_name, static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has_reset, bool rstpol, bool rstval, bool prepare_mode) { - LibertyAst *best_cell = NULL; + LibertyAst *best_cell = nullptr; std::map<std::string, char> best_cell_ports; int best_cell_pins = 0; bool best_cell_noninv = false; @@ -132,11 +132,11 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has continue; LibertyAst *dn = cell->find("dont_use"); - if (dn != NULL && dn->value == "true") + if (dn != nullptr && dn->value == "true") continue; LibertyAst *ff = cell->find("ff"); - if (ff == NULL) + if (ff == nullptr) continue; std::string cell_clk_pin, cell_rst_pin, cell_next_pin; @@ -163,7 +163,7 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has double area = 0; LibertyAst *ar = cell->find("area"); - if (ar != NULL && !ar->value.empty()) + if (ar != nullptr && !ar->value.empty()) area = atof(ar->value.c_str()); int num_pins = 0; @@ -175,7 +175,7 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has continue; LibertyAst *dir = pin->find("direction"); - if (dir == NULL || dir->value == "internal") + if (dir == nullptr || dir->value == "internal") continue; num_pins++; @@ -183,7 +183,7 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has goto continue_cell_loop; LibertyAst *func = pin->find("function"); - if (dir->value == "output" && func != NULL) { + if (dir->value == "output" && func != nullptr) { std::string value = func->value; for (size_t pos = value.find_first_of("\" \t"); pos != std::string::npos; pos = value.find_first_of("\" \t")) value.erase(pos, 1); @@ -205,10 +205,10 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has this_cell_ports[pin->args[0]] = 0; } - if (!found_output || (best_cell != NULL && (num_pins > best_cell_pins || (best_cell_noninv && !found_noninv_output)))) + if (!found_output || (best_cell != nullptr && (num_pins > best_cell_pins || (best_cell_noninv && !found_noninv_output)))) continue; - if (best_cell != NULL && num_pins == best_cell_pins && area > best_cell_area) + if (best_cell != nullptr && num_pins == best_cell_pins && area > best_cell_area) continue; best_cell = cell; @@ -219,7 +219,7 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has continue_cell_loop:; } - if (best_cell != NULL) { + if (best_cell != nullptr) { log(" cell %s (%sinv, pins=%d, area=%.2f) is a direct match for cell type %s.\n", best_cell->args[0].c_str(), best_cell_noninv ? "non" : "", best_cell_pins, best_cell_area, cell_type.c_str()); if (prepare_mode) { @@ -238,7 +238,7 @@ static void find_cell(LibertyAst *ast, IdString cell_type, bool clkpol, bool has static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool setpol, bool clrpol, bool prepare_mode) { - LibertyAst *best_cell = NULL; + LibertyAst *best_cell = nullptr; std::map<std::string, char> best_cell_ports; int best_cell_pins = 0; bool best_cell_noninv = false; @@ -253,11 +253,11 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool continue; LibertyAst *dn = cell->find("dont_use"); - if (dn != NULL && dn->value == "true") + if (dn != nullptr && dn->value == "true") continue; LibertyAst *ff = cell->find("ff"); - if (ff == NULL) + if (ff == nullptr) continue; std::string cell_clk_pin, cell_set_pin, cell_clr_pin, cell_next_pin; @@ -280,7 +280,7 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool double area = 0; LibertyAst *ar = cell->find("area"); - if (ar != NULL && !ar->value.empty()) + if (ar != nullptr && !ar->value.empty()) area = atof(ar->value.c_str()); int num_pins = 0; @@ -292,7 +292,7 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool continue; LibertyAst *dir = pin->find("direction"); - if (dir == NULL || dir->value == "internal") + if (dir == nullptr || dir->value == "internal") continue; num_pins++; @@ -300,7 +300,7 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool goto continue_cell_loop; LibertyAst *func = pin->find("function"); - if (dir->value == "output" && func != NULL) { + if (dir->value == "output" && func != nullptr) { std::string value = func->value; for (size_t pos = value.find_first_of("\" \t"); pos != std::string::npos; pos = value.find_first_of("\" \t")) value.erase(pos, 1); @@ -322,10 +322,10 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool this_cell_ports[pin->args[0]] = 0; } - if (!found_output || (best_cell != NULL && (num_pins > best_cell_pins || (best_cell_noninv && !found_noninv_output)))) + if (!found_output || (best_cell != nullptr && (num_pins > best_cell_pins || (best_cell_noninv && !found_noninv_output)))) continue; - if (best_cell != NULL && num_pins == best_cell_pins && area > best_cell_area) + if (best_cell != nullptr && num_pins == best_cell_pins && area > best_cell_area) continue; best_cell = cell; @@ -336,7 +336,7 @@ static void find_cell_sr(LibertyAst *ast, IdString cell_type, bool clkpol, bool continue_cell_loop:; } - if (best_cell != NULL) { + if (best_cell != nullptr) { log(" cell %s (%sinv, pins=%d, area=%.2f) is a direct match for cell type %s.\n", best_cell->args[0].c_str(), best_cell_noninv ? "non" : "", best_cell_pins, best_cell_area, cell_type.c_str()); if (prepare_mode) { @@ -481,11 +481,11 @@ static void dfflibmap(RTLIL::Design *design, RTLIL::Module *module, bool prepare SigMap sigmap(module); std::vector<RTLIL::Cell*> cell_list; - for (auto &it : module->cells_) { - if (design->selected(module, it.second) && cell_mappings.count(it.second->type) > 0) - cell_list.push_back(it.second); - if (it.second->type == ID($_NOT_)) - notmap[sigmap(it.second->getPort(ID::A))].insert(it.second); + for (auto cell : module->cells()) { + if (design->selected(module, cell) && cell_mappings.count(cell->type) > 0) + cell_list.push_back(cell); + if (cell->type == ID($_NOT_)) + notmap[sigmap(cell->getPort(ID::A))].insert(cell); } std::map<std::string, int> stats; @@ -663,9 +663,9 @@ struct DfflibmapPass : public Pass { log(" final dff cell mappings:\n"); logmap_all(); - for (auto &it : design->modules_) - if (design->selected(it.second) && !it.second->get_blackbox_attribute()) - dfflibmap(design, it.second, prepare_mode); + for (auto module : design->selected_modules()) + if (!module->get_blackbox_attribute()) + dfflibmap(design, module, prepare_mode); cell_mappings.clear(); } |