unique_binding_register.cpp

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/*
 *
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 *
 *             ***********************************************
 *                              PandA Project
 *                     URL: http://panda.dei.polimi.it
 *                       Politecnico di Milano - DEIB
 *                        System Architectures Group
 *             ***********************************************
 *              Copyright (C) 2004-2024 Politecnico di Milano
 *
 *   This file is part of the PandA framework.
 *
 *   The PandA framework is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#include "unique_binding_register.hpp"

#include "hls.hpp"
#include "hls_manager.hpp"

#include "liveness.hpp"
#include "reg_binding.hpp"

#include "Parameter.hpp"
#include "dbgPrintHelper.hpp"

#include "storage_value_information.hpp"

#include "behavioral_helper.hpp"

#include "cpu_time.hpp"

unique_binding_register::unique_binding_register(const ParameterConstRef _Param, const HLS_managerRef _HLSMgr,
                                                 unsigned int _funId,
                                                 const DesignFlowManagerConstRef _design_flow_manager)
    : reg_binding_creator(_Param, _HLSMgr, _funId, _design_flow_manager, HLSFlowStep_Type::UNIQUE_REGISTER_BINDING)
{
}

unique_binding_register::~unique_binding_register() = default;

DesignFlowStep_Status unique_binding_register::RegisterBinding()
{
   long step_time = 0;
   if(output_level >= OUTPUT_LEVEL_MINIMUM and output_level <= OUTPUT_LEVEL_PEDANTIC)
   {
      START_TIME(step_time);
   }
   THROW_ASSERT(HLS->Rliv, "Liveness analysis not yet computed");
   HLS->Rreg = reg_bindingRef(new reg_binding(HLS, HLSMgr));
   for(unsigned int sv = 0; sv < HLS->storage_value_information->get_number_of_storage_values(); sv++)
   {
      HLS->Rreg->bind(sv, sv);
   }
   HLS->Rreg->set_used_regs(HLS->storage_value_information->get_number_of_storage_values());
   if(output_level >= OUTPUT_LEVEL_MINIMUM and output_level <= OUTPUT_LEVEL_PEDANTIC)
   {
      STOP_TIME(step_time);
   }
   if(output_level == OUTPUT_LEVEL_PEDANTIC)
   {
      INDENT_OUT_MEX(OUTPUT_LEVEL_PEDANTIC, output_level, "");
   }
   INDENT_OUT_MEX(OUTPUT_LEVEL_PEDANTIC, output_level,
                  "-->Register binding information for function " +
                      HLSMgr->CGetFunctionBehavior(funId)->CGetBehavioralHelper()->get_function_name() + ":");
   if(output_level >= OUTPUT_LEVEL_VERY_PEDANTIC)
   {
      HLS->Rreg->print();
   }
   if(output_level >= OUTPUT_LEVEL_MINIMUM and output_level <= OUTPUT_LEVEL_PEDANTIC)
   {
      INDENT_OUT_MEX(OUTPUT_LEVEL_MINIMUM, output_level,
                     "Time to perform register binding: " + print_cpu_time(step_time) + " seconds");
   }
   INDENT_OUT_MEX(OUTPUT_LEVEL_PEDANTIC, output_level, "<--");
   if(output_level == OUTPUT_LEVEL_PEDANTIC)
   {
      INDENT_OUT_MEX(OUTPUT_LEVEL_PEDANTIC, output_level, "");
   }
   return DesignFlowStep_Status::SUCCESS;
}