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| author | Clifford Wolf <clifford@clifford.at> | 2017-08-20 12:31:50 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2017-08-20 12:31:50 +0200 |
| commit | ca53fba44a8f49fc96e8f2913eb55b622ec0638a (patch) | |
| tree | e883bef9306419e27fa25c47a5e1629e1310a5eb /passes/hierarchy/singleton.cc | |
| parent | d38a64b1cf361073a20a1e90c2fc6e56792c1237 (diff) | |
| download | yosys-ca53fba44a8f49fc96e8f2913eb55b622ec0638a.tar.gz yosys-ca53fba44a8f49fc96e8f2913eb55b622ec0638a.tar.bz2 yosys-ca53fba44a8f49fc96e8f2913eb55b622ec0638a.zip | |
Rename "singleton" pass to "uniquify"
Diffstat (limited to 'passes/hierarchy/singleton.cc')
| -rw-r--r-- | passes/hierarchy/singleton.cc | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/passes/hierarchy/singleton.cc b/passes/hierarchy/singleton.cc deleted file mode 100644 index 03c365fb5..000000000 --- a/passes/hierarchy/singleton.cc +++ /dev/null @@ -1,101 +0,0 @@ -/* - * yosys -- Yosys Open SYnthesis Suite - * - * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - -#include "kernel/yosys.h" - -USING_YOSYS_NAMESPACE -PRIVATE_NAMESPACE_BEGIN - -struct SingletonPass : public Pass { - SingletonPass() : Pass("singleton", "create singleton modules") { } - virtual void help() - { - // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| - log("\n"); - log(" singleton [selection]\n"); - log("\n"); - log("By default, a module that is instantiated by several other modules is only\n"); - log("kept once in the design. This preserves the original modularity of the design\n"); - log("and reduces the overall size of the design in memory. But it prevents certain\n"); - log("optimizations and other operations on the design. This pass creates singleton\n"); - log("modules for all selected cells. The created modules are marked with the\n"); - log("'singleton' attribute.\n"); - log("\n"); - log("This commands only operates on modules that by themself have the 'singleton'\n"); - log("attribute set (the 'top' module is a singleton implicitly).\n"); - log("\n"); - } - virtual void execute(std::vector<std::string> args, RTLIL::Design *design) - { - log_header(design, "Executing SINGLETON pass (creating singleton modules).\n"); - - size_t argidx; - for (argidx = 1; argidx < args.size(); argidx++) - { - // if (args[argidx] == "-check") { - // flag_check = true; - // continue; - // } - } - extra_args(args, argidx, design); - - bool did_something = true; - int singleton_cnt = 0; - - while (did_something) - { - did_something = false; - - for (auto module : design->selected_modules()) - { - if (!module->get_bool_attribute("\\singleton") && !module->get_bool_attribute("\\top")) - continue; - - for (auto cell : module->selected_cells()) - { - auto tmod = design->module(cell->type); - - if (tmod == nullptr) - continue; - - if (tmod->get_bool_attribute("\\blackbox")) - continue; - - if (tmod->get_bool_attribute("\\singleton")) - continue; - - cell->type = module->name.str() + "." + log_id(cell->name); - log("Creating singleton '%s'.\n", log_id(cell->type)); - - auto smod = tmod->clone(); - smod->name = cell->type; - smod->set_bool_attribute("\\singleton"); - design->add(smod); - - did_something = true; - singleton_cnt++; - } - } - } - - log("Created %d singleton modules.\n", singleton_cnt); - } -} SingletonPass; - -PRIVATE_NAMESPACE_END |