mirror of https://github.com/YosysHQ/yosys.git
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
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* Akash Levy <akash@silimate.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/yosys.h"
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#include "kernel/sigtools.h"
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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bool did_something;
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#include "passes/silimate/peepopt_muxmode.h"
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struct MuxmodePass : public Pass {
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MuxmodePass() : Pass("muxmode", "convert primitives to muxes") { }
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void help() override
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{
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// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
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log("\n");
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log(" muxmode [selection]\n");
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log("\n");
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log("This pass makes muxes of 1-bit primitives having an input coming from a mux.\n");
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log("\n");
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}
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void execute(std::vector<std::string> args, RTLIL::Design *design) override
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{
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log_header(design, "Executing MUXMODE pass (make muxes from 1-bit primitives).\n");
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size_t argidx = 1;
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extra_args(args, argidx, design);
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for (auto module : design->selected_modules())
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{
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did_something = true;
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for (int i = 0; did_something; i++)
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{
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log("ITERATION %d OF MUXMODE\n", i);
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did_something = false;
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peepopt_pm pm(module);
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pm.setup(module->selected_cells());
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pm.run_muxmode();
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pm.run_muxinvprop();
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}
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}
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}
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} PeepoptPass;
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PRIVATE_NAMESPACE_END
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