void TR_X86FPCompareAnalyser::setInputs(TR::Node *firstChild,
TR::Register *firstRegister,
TR::Node *secondChild,
TR::Register *secondRegister,
bool disallowMemoryFormInstructions,
bool disallowOperandSwapping)
{
if (firstRegister)
{
setReg1();
}
if (secondRegister)
{
setReg2();
}
if (!disallowMemoryFormInstructions &&
firstChild->getOpCode().isMemoryReference() &&
firstChild->getReferenceCount() == 1)
{
setMem1();
}
if (!disallowMemoryFormInstructions &&
secondChild->getOpCode().isMemoryReference() &&
secondChild->getReferenceCount() == 1)
{
setMem2();
}
if (firstChild->getReferenceCount() == 1)
{
setClob1();
}
if (secondChild->getReferenceCount() == 1)
{
setClob2();
}
if (disallowOperandSwapping)
{
setNoOperandSwapping();
}
}
void
TR_S390BinaryAnalyser::remapInputs(TR::Node * firstChild, TR::Register * firstRegister,
TR::Node * secondChild, TR::Register * secondRegister)
{
if (!cg()->useClobberEvaluate())
{
if (firstRegister)
{
setReg1();
}
if (secondRegister)
{
setReg2();
}
// firstRegister is always assumed
if (cg()->canClobberNodesRegister(firstChild))
{
setClob1();
}
else
{
resetClob1();
}
// don't touch secondChild memory refs
if (!getMem2())
{
if (cg()->canClobberNodesRegister(secondChild))
{
setClob2();
}
else
{
resetClob2();
}
}
}
}