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");
}
}
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);
}