C++ (Cpp) preSelect示例

示例#1

文件： DepWindow.cpp 项目： volyrique/esesc

void DepWindow::addInst(DInst *dinst) {

  I(dinst->getCluster() != 0); // Resource::schedule must set the resource field

  if (!dinst->hasDeps()) {
    preSelect(dinst);
  }
}

示例#2

文件： DepWindow.cpp 项目： dagoodma/esesc

// Called when dinst finished execution. Look for dependent to wakeUp
void DepWindow::executed(DInst *dinst) {
  //  MSG("execute [0x%x] @%lld",dinst, globalClock);

  I(!dinst->hasDeps());

  //dinst->dump("Clearing2:");
  dinst->clearRATEntry();

  if (!dinst->hasPending())
    return;

  // NEVER HERE FOR in-order cores

  I(dinst->getCluster());
  I(srcCluster == dinst->getCluster());

  // Only until reaches last. The instructions that are from another processor
  // should be added again to the dependence chain so that MemRequest::ack can
  // awake them (other processor instructions)

  const DInst *stopAtDst = 0;

  I(dinst->isIssued());
  while (dinst->hasPending()) {

    if (stopAtDst == dinst->getFirstPending())
      break;
    DInst *dstReady = dinst->getNextPending();
    I(dstReady);

#if 0
    if (!dstReady->isIssued()) {
      I(dinst->getInst()->isStore());

      I(!dstReady->hasDeps());
      continue;
    }
#endif
    I(!dstReady->isExecuted());

    if (!dstReady->hasDeps()) {
      // Check dstRes because dstReady may not be issued
      I(dstReady->getCluster());
      const Cluster *dstCluster = dstReady->getCluster();
      I(dstCluster);

      Time_t when = wakeUpPort->nextSlot(dinst->getStatsFlag());
      if (dstCluster != srcCluster) {
        wrForwardBus.inc(dinst->getStatsFlag());
        when += InterClusterLat;
      }

      dstReady->setWakeUpTime(when);

      preSelect(dstReady);
    }
  }
}

示例#3

文件： DepWindow.cpp 项目： dagoodma/esesc

void DepWindow::addInst(DInst *dinst) {

  I(dinst->getCluster() != 0); // Resource::schedule must set the resource field

  if (!dinst->hasDeps()) {
    dinst->setWakeUpTime(wakeUpPort->nextSlot(dinst->getStatsFlag()) + WakeUpDelay);
    preSelect(dinst);
  }
}

示例#4

文件： DepWindow.cpp 项目： volyrique/esesc

// Called when dinst finished execution. Look for dependent to wakeUp
void DepWindow::executed(DInst *dinst) {
  //  MSG("execute [0x%x] @%lld",dinst, globalClock);

  I(!dinst->hasDeps());

  dinst->markExecuted();
  dinst->clearRATEntry(); 

  if (!dinst->hasPending())
    return;

  // NEVER HERE FOR in-order cores

  I(dinst->getCluster());
  I(srcCluster == dinst->getCluster());

  I(dinst->isIssued());
  while (dinst->hasPending()) {
    DInst *dstReady = dinst->getNextPending();
    I(dstReady);

    I(!dstReady->isExecuted());

    if (!dstReady->hasDeps()) {
      // Check dstRes because dstReady may not be issued
      I(dstReady->getCluster());
      const Cluster *dstCluster = dstReady->getCluster();
      I(dstCluster);

      if (dstCluster != srcCluster) {
        wrForwardBus.inc(dinst->getStatsFlag());
        dinst->markInterCluster();
      }

      preSelect(dstReady);
    }
  }
}