本文整理汇总了C++中tr::Machine::setGPRWeightsFromAssociations方法的典型用法代码示例。如果您正苦于以下问题：C++ Machine::setGPRWeightsFromAssociations方法的具体用法？C++ Machine::setGPRWeightsFromAssociations怎么用？C++ Machine::setGPRWeightsFromAssociations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类tr::Machine的用法示例。
在下文中一共展示了Machine::setGPRWeightsFromAssociations方法的1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: if
void OMR::X86::Instruction::assignRegisters(TR_RegisterKinds kindsToBeAssigned)
{
if (!self()->getDependencyConditions())
{
// Fast path when there are no dependency conditions.
//
return;
}
if (self()->getOpCodeValue() != ASSOCREGS)
{
self()->aboutToAssignRegDeps();
if ((self()->cg()->getAssignmentDirection() == self()->cg()->Backward))
{
self()->getDependencyConditions()->assignPostConditionRegisters(self(), kindsToBeAssigned, self()->cg());
self()->getDependencyConditions()->assignPreConditionRegisters(self(), kindsToBeAssigned, self()->cg());
}
else
{
self()->getDependencyConditions()->assignPreConditionRegisters(self()->getPrev(), kindsToBeAssigned, self()->cg());
self()->getDependencyConditions()->assignPostConditionRegisters(self(), kindsToBeAssigned, self()->cg());
}
}
else if ((self()->getOpCodeValue() == ASSOCREGS) && self()->cg()->enableRegisterAssociations())
{
if (kindsToBeAssigned & TR_GPR_Mask)
{
TR::Machine *machine = self()->cg()->machine();
// First traverse the existing associations and remove them
// so that they don't interfere with the new ones
//
for (int i = TR::RealRegister::FirstGPR;
i <= TR::RealRegister::LastAssignableGPR;
++i)
{
// Skip non-assignable registers
//
if (machine->getX86RealRegister((TR::RealRegister::RegNum)i)->getState() == TR::RealRegister::Locked)
continue;
TR::Register *virtReg = machine->getVirtualAssociatedWithReal((TR::RealRegister::RegNum)i);
if (virtReg)
{
virtReg->setAssociation(TR::RealRegister::NoReg);
}
}
// Next loop through and set up the new associations (both on the machine
// and by associating the virtual registers with their real dependencies)
//
TR_X86RegisterDependencyGroup *depGroup = self()->getDependencyConditions()->getPostConditions();
for (int j = 0; j < self()->getDependencyConditions()->getNumPostConditions(); ++j)
{
TR::RegisterDependency *dep = depGroup->getRegisterDependency(j);
machine->setVirtualAssociatedWithReal(dep->getRealRegister(), dep->getRegister());
}
machine->setGPRWeightsFromAssociations();
}
}
}