本文整理汇总了C++中SSATmp::setReg方法的典型用法代码示例。如果您正苦于以下问题：C++ SSATmp::setReg方法的具体用法？C++ SSATmp::setReg怎么用？C++ SSATmp::setReg使用的例子？那么, 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类SSATmp的用法示例。
在下文中一共展示了SSATmp::setReg方法的2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: removeUnusedSpillsAux
void LinearScan::removeUnusedSpillsAux(Trace* trace) {
IRInstruction::List& instList = trace->getInstructionList();
for (IRInstruction::Iterator it = instList.begin();
it != instList.end(); ) {
IRInstruction::Iterator next = it; ++next;
IRInstruction* inst = *it;
if (inst->getOpcode() == Spill && inst->getDst()->getUseCount() == 0) {
instList.erase(it);
SSATmp* src = inst->getSrc(0);
if (src->decUseCount() == 0) {
Opcode srcOpc = src->getInstruction()->getOpcode();
// Not all instructions are able to take noreg as its dest
// reg. We pick LdLoc and IncRef because they occur often.
if (srcOpc == IncRef || srcOpc == LdLoc) {
for (int locIndex = 0;
locIndex < src->numNeededRegs();
++locIndex) {
src->setReg(InvalidReg, locIndex);
}
}
}
}
it = next;
}
}示例2: removeUnusedSpills
void LinearScan::removeUnusedSpills() {
for (SlotInfo& slot : m_slots) {
IRInstruction* spill = slot.m_spillTmp->getInstruction();
if (spill->getDst()->getUseCount() == 0) {
Block* block = spill->getBlock();
block->erase(block->iteratorTo(spill));
SSATmp* src = spill->getSrc(0);
if (src->decUseCount() == 0) {
Opcode srcOpc = src->getInstruction()->getOpcode();
// Not all instructions are able to take noreg as its dest
// reg. We pick LdLoc and IncRef because they occur often.
if (srcOpc == IncRef || srcOpc == LdLoc) {
for (int i = 0, n = src->numNeededRegs(); i < n; ++i) {
src->setReg(InvalidReg, i);
}
}
}
}
}
}