示例#1
0
void
OMR::CodeGenPhase::performInstructionSelectionPhase(TR::CodeGenerator * cg, TR::CodeGenPhase * phase)
   {
   TR::Compilation* comp = cg->comp();
   phase->reportPhase(InstructionSelectionPhase);

   if (comp->getOption(TR_TraceCG) || comp->getOption(TR_TraceTrees) || comp->getOptions()->getTraceCGOption(TR_TraceCGPreInstructionSelection))
      comp->dumpMethodTrees("Pre Instruction Selection Trees");

   TR::LexicalMemProfiler mp(phase->getName(), comp->phaseMemProfiler());
   LexicalTimer pt(phase->getName(), comp->phaseTimer());

   cg->doInstructionSelection();

   if (comp->getOption(TR_TraceCG) || comp->getOptions()->getTraceCGOption(TR_TraceCGPostInstructionSelection))
      comp->getDebug()->dumpMethodInstrs(comp->getOutFile(), "Post Instruction Selection Instructions", false, true);

   // check reference counts
#if defined(DEBUG) || defined(PROD_WITH_ASSUMES)
      for (int r=0; r<NumRegisterKinds; r++)
         {
         if (TO_KIND_MASK(r) & cg->getSupportedLiveRegisterKinds())
            {
            cg->checkForLiveRegisters(cg->getLiveRegisters((TR_RegisterKinds)r));
            }
         }
#endif

   // check interrupt
   if (comp->compilationShouldBeInterrupted(AFTER_INSTRUCTION_SELECTION_CONTEXT))
      {
      comp->failCompilation<TR::CompilationInterrupted>("interrupted after instruction selection");
      }
   }
示例#2
0
void
OMR::CodeGenPhase::performRegisterAssigningPhase(TR::CodeGenerator * cg, TR::CodeGenPhase * phase)
   {
   TR::Compilation* comp = cg->comp();
   phase->reportPhase(RegisterAssigningPhase);

   if (cg->getDebug())
      cg->getDebug()->roundAddressEnumerationCounters();

     {
      TR::LexicalMemProfiler mp("RA", comp->phaseMemProfiler());
      LexicalTimer pt("RA", comp->phaseTimer());

      TR_RegisterKinds colourableKindsToAssign;
      TR_RegisterKinds nonColourableKindsToAssign = cg->prepareRegistersForAssignment();

      cg->jettisonAllSpills(); // Spill temps used before now may lead to conflicts if also used by register assignment

      // Do local register assignment for non-colourable registers.
      //
      if(cg->getTraceRAOption(TR_TraceRAListing))
         if(cg->getDebug()) cg->getDebug()->dumpMethodInstrs(comp->getOutFile(),"Before Local RA",false);

      cg->doRegisterAssignment(nonColourableKindsToAssign);

      if (comp->compilationShouldBeInterrupted(AFTER_REGISTER_ASSIGNMENT_CONTEXT))
         {
         comp->failCompilation<TR::CompilationInterrupted>("interrupted after RA");
         }
      }

   if (comp->getOption(TR_TraceCG) || comp->getOptions()->getTraceCGOption(TR_TraceCGPostRegisterAssignment))
      comp->getDebug()->dumpMethodInstrs(comp->getOutFile(), "Post Register Assignment Instructions", false, true);
   }