'Iterate through all the possible arg positions that can only be used to store floating point values
Does not take into account customizations.
Returns an iterator of SimFunctionArguments'

@property
def fp_args(self):

    if (self.FP_ARG_REGS is None):
        raise NotImplementedError()
    for reg in self.FP_ARG_REGS:
        (yield SimRegArg(reg, self.arch.registers[reg][1]))
