/* * 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" #include "kernel/sigtools.h" USING_YOSYS_NAMESPACE PRIVATE_NAMESPACE_BEGIN bool did_something; #include "passes/pmgen/peepopt_pm.h" struct PeepoptPass : public Pass { PeepoptPass() : Pass("peepopt", "collection of peephole optimizers") { } void help() YS_OVERRIDE { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); log(" peepopt [options] [selection]\n"); log("\n"); log("This pass applies a collection of peephole optimizers to the current design.\n"); log("\n"); } void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE { log_header(design, "Executing PEEPOPT pass (run peephole optimizers).\n"); size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { // if (args[argidx] == "-singleton") { // singleton_mode = true; // continue; // } break; } extra_args(args, argidx, design); for (auto module : design->selected_modules()) { did_something = true; while (did_something) { did_something = false; peepopt_pm pm(module, module->selected_cells()); pm.run_shiftmul(); pm.run_muldiv(); } } } } PeepoptPass; PRIVATE_NAMESPACE_END