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C++ Node::getLongInt方法代码示例

本文整理汇总了C++中tr::Node::getLongInt方法的典型用法代码示例。如果您正苦于以下问题:C++ Node::getLongInt方法的具体用法?C++ Node::getLongInt怎么用?C++ Node::getLongInt使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在tr::Node的用法示例。


在下文中一共展示了Node::getLongInt方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1:

TR::Register *
OMR::ARM64::TreeEvaluator::lmulhEvaluator(TR::Node *node, TR::CodeGenerator *cg)
   {
   TR::Node *firstChild = node->getFirstChild();
   TR::Register *src1Reg = cg->evaluate(firstChild);
   TR::Node *secondChild = node->getSecondChild();
   TR::Register *src2Reg;
   TR::Register *trgReg = cg->allocateRegister();
   TR::Register *tmpReg = NULL;

   // lmulh is generated for constant ldiv and the second child is the magic number
   // assume magic number is usually a large odd number with little optimization opportunity
   if (secondChild->getOpCode().isLoadConst() && secondChild->getRegister() == NULL)
      {
      int64_t value = secondChild->getLongInt();
      src2Reg = tmpReg = cg->allocateRegister();
      loadConstant64(cg, node, value, src2Reg);
      }
   else
      {
      src2Reg = cg->evaluate(secondChild);
      }

   generateTrg1Src2Instruction(cg, TR::InstOpCode::smulh, node, trgReg, src1Reg, src2Reg);

   if (tmpReg)
      {
      cg->stopUsingRegister(tmpReg);
      }

   firstChild->decReferenceCount();
   secondChild->decReferenceCount();
   node->setRegister(trgReg);
   return trgReg;
   }
开发者ID:hangshao0,项目名称:omr,代码行数:35,代码来源:BinaryEvaluator.cpp

示例2: cg

void
TR::PPCTrg1ImmInstruction::addMetaDataForCodeAddress(uint8_t *cursor)
   {
   TR::Compilation *comp = cg()->comp();

   if (std::find(comp->getStaticPICSites()->begin(), comp->getStaticPICSites()->end(), this) != comp->getStaticPICSites()->end())
      {
      TR::Node *node = getNode();
      cg()->jitAddPicToPatchOnClassUnload((void *)(TR::Compiler->target.is64Bit()?node->getLongInt():node->getInt()), (void *)cursor);
      }

   if (std::find(comp->getStaticMethodPICSites()->begin(), comp->getStaticMethodPICSites()->end(), this) != comp->getStaticMethodPICSites()->end())
      {
      TR::Node *node = getNode();
      cg()->jitAddPicToPatchOnClassUnload((void *) (cg()->fe()->createResolvedMethod(cg()->trMemory(), (TR_OpaqueMethodBlock *) (TR::Compiler->target.is64Bit()?node->getLongInt():node->getInt()), comp->getCurrentMethod())->classOfMethod()), (void *)cursor);
      }
   }
开发者ID:LinHu2016,项目名称:omr,代码行数:17,代码来源:PPCBinaryEncoding.cpp

示例3: getNode

uint8_t *TR::PPCArrayCopyCallSnippet::emitSnippetBody()
   {
   TR::Node *node = getNode();
   TR_ASSERT(node->getOpCodeValue() == TR::arraycopy &&
          node->getChild(2)->getOpCode().isLoadConst(), "only valid for arraycopies with a constant length\n");

   uint8_t *buffer = cg()->getBinaryBufferCursor();
   getSnippetLabel()->setCodeLocation(buffer);
   TR::RealRegister *lengthReg = cg()->machine()->getRealRegister(_lengthRegNum);
   TR::Node *lengthNode = node->getChild(2);
   int64_t byteLen = (lengthNode->getType().isInt32() ?
                      lengthNode->getInt() : lengthNode->getLongInt());
   TR::InstOpCode opcode;

   // li lengthReg, #byteLen
   opcode.setOpCodeValue(TR::InstOpCode::li);
   buffer = opcode.copyBinaryToBuffer(buffer);
   lengthReg->setRegisterFieldRT((uint32_t *)buffer);
   TR_ASSERT(byteLen <= UPPER_IMMED,"byteLen too big to encode\n");
   *(int32_t *)buffer |= byteLen;
   buffer += 4;

   return TR::PPCHelperCallSnippet::genHelperCall(buffer);
   }
开发者ID:LinHu2016,项目名称:omr,代码行数:24,代码来源:PPCHelperCallSnippet.cpp

示例4: if

TR::Node *
OMR::TransformUtil::scalarizeArrayCopy(
      TR::Compilation *comp,
      TR::Node *node,
      TR::TreeTop *tt,
      bool useElementType,
      bool &didTransformArrayCopyNode,
      TR::SymbolReference *sourceRef,
      TR::SymbolReference *targetRef,
      bool castToIntegral)
   {
   TR::CodeGenerator *cg = comp->cg();

   didTransformArrayCopyNode = false;

   if ((comp->getOptLevel() == noOpt) ||
       !comp->getOption(TR_ScalarizeSSOps) ||
       node->getOpCodeValue() != TR::arraycopy ||
       node->getNumChildren() != 3 ||
       comp->requiresSpineChecks() ||
       !node->getChild(2)->getOpCode().isLoadConst() ||
       cg->getOptimizationPhaseIsComplete())
      return node;

   int64_t byteLen = node->getChild(2)->get64bitIntegralValue();
   if (byteLen == 0)
      {
      if (tt)
         {
         // Anchor the first two children
         if (!node->getFirstChild()->safeToDoRecursiveDecrement())
            TR::TreeTop::create(comp, tt->getPrevTreeTop(),
                               TR::Node::create(TR::treetop, 1, node->getFirstChild()));
         if (!node->getSecondChild()->safeToDoRecursiveDecrement())
            TR::TreeTop::create(comp, tt->getPrevTreeTop(),
                               TR::Node::create(TR::treetop, 1, node->getSecondChild()));
         tt->getPrevTreeTop()->join(tt->getNextTreeTop());
         tt->getNode()->recursivelyDecReferenceCount();
         didTransformArrayCopyNode = true;
         }
      return node;
      }
   else if (byteLen < 0)
      {
      return node;
      }
   else if (byteLen > TR_MAX_OTYPE_SIZE)
      {
      return node;
      }
   TR::DataType dataType = TR::Aggregate;

   // Get the element datatype from the (hidden) 4th child
   TR::DataType elementType = node->getArrayCopyElementType();
   int32_t elementSize = TR::Symbol::convertTypeToSize(elementType);

   if (byteLen == elementSize)
      {
      dataType = elementType;
      }
   else if (!useElementType)
      {
      switch (byteLen)
         {
         case 1: dataType = TR::Int8; break;
         case 2: dataType = TR::Int16; break;
         case 4: dataType = TR::Int32; break;
         case 8: dataType = TR::Int64; break;
         }
      }
   else
      {
      return node;
      }

   // load/store double on 64-bit PPC requires offset to be word aligned
   // abort if this requirement is not met.
   // TODO: also need to check if the first two children are aload nodes
   bool cannot_use_load_store_long = false;
   if (TR::Compiler->target.cpu.isPower())
      if (dataType == TR::Int64 && TR::Compiler->target.is64Bit())
         {
         TR::Node * firstChild = node->getFirstChild();
         if (firstChild->getNumChildren() == 2)
            {
            TR::Node *offsetChild = firstChild->getSecondChild();
            TR_ASSERT(offsetChild->getOpCodeValue() != TR::iconst, "iconst shouldn't be used for 64-bit array indexing");
            if (offsetChild->getOpCodeValue() == TR::lconst)
               {
               if ((offsetChild->getLongInt() & 0x3) != 0)
                  cannot_use_load_store_long = true;
               }
            }
         TR::Node *secondChild = node->getSecondChild();
         if (secondChild->getNumChildren() == 2)
            {
            TR::Node *offsetChild = secondChild->getSecondChild();
            TR_ASSERT(offsetChild->getOpCodeValue() != TR::iconst, "iconst shouldn't be used for 64-bit array indexing");
            if (offsetChild->getOpCodeValue() == TR::lconst)
               {
//.........这里部分代码省略.........
开发者ID:lmaisons,项目名称:omr,代码行数:101,代码来源:OMRTransformUtil.cpp


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