ExecutableInstruction.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
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/**
 * @file ExecutableInstruction.cc
 *
 * Definition of ExecutableInstruction class.
 *
 * @author Jussi Nykänen 2005 (nykanen-no.spam-cs.tut.fi)
 * @author Pekka Jääskeläinen 2005 (pjaaskel-no.spam-cs.tut.fi)
 * @note rating: red
 */
 
#include "ExecutableInstruction.hh"
#include "ExecutableMove.hh"
#include "LongImmUpdateAction.hh"
#include "SequenceTools.hh"
 
/**
 * Constructor.
 */
ExecutableInstruction::ExecutableInstruction() :
    exitPoint_(false) {
    resetExecutionCounts();
}
 
/**
 * Destructor.
 */
ExecutableInstruction::~ExecutableInstruction() {
    SequenceTools::deleteAllItems(moves_);
    SequenceTools::deleteAllItems(updateActions_);
}
 
/**
 * Adds move to the instruction.
 *
 * Moves must be added in the same order they are in source Program model's
 * instruction.
 *
 * @param move Move to be added.
 */
void
ExecutableInstruction::addExecutableMove(ExecutableMove* move) {
    moves_.push_back(move);
}
 
/**
 * Adds long immediate update action.
 *
 * @param action Action to be added.
 */
void
ExecutableInstruction::addLongImmediateUpdateAction(
    LongImmUpdateAction* action) {
    updateActions_.push_back(action);
}
 
/**
 * Returns the count of times this instruction has been executed so far.
 *
 * @return The execution count of this instruction.
 */
ClockCycleCount 
ExecutableInstruction::executionCount() const {
    return executionCount_;
}
 
/**
 * Resets the execution counters of this instruction and its moves.
 */
void
ExecutableInstruction::resetExecutionCounts() {
    executionCount_ = 0;
    for (std::size_t i = 0; i < moves_.size(); ++i) {
        moves_[i]->resetExecutionCount();
    }
}
 
/**
 * Returns the count of full executions so far of move at given index.
 *
 * Squashed moves are not included in the count. Thus, to get count of 
 * times a move has be squashed, one should get the instruction execution 
 * count and subsract the move's execution count from it.
 *
 * @return Count of executions of move at given move slot.
 */
ClockCycleCount 
ExecutableInstruction::moveExecutionCount(std::size_t moveIndex) const {
    return moves_[moveIndex]->executionCount();
}