internal void AllocVariables(CompilerContext cc)
{
int i;
int count = _functionPrototype.Arguments.Length;
if (count == 0)
return;
for (i = 0; i < count; i++)
{
CompilerVar vdata = _argumentVariables[i];
if (vdata.FirstItem != null ||
vdata.IsRegArgument ||
vdata.IsMemArgument)
{
// Variable is used.
if (vdata.RegisterIndex != RegIndex.Invalid)
{
vdata.State = VariableState.Register;
// If variable is in register -> mark it as changed so it will not be
// lost by first spill.
vdata.Changed = true;
cc.AllocatedVariable(vdata);
}
else if (vdata.IsMemArgument)
{
vdata.State = VariableState.Memory;
}
}
else
{
// Variable is not used.
vdata.RegisterIndex = RegIndex.Invalid;
}
}
}
