inline void MacroAssembler::store_double_argument( FloatRegister s, Argument& a ) {
  if (a.is_float_register())
// V9 ABI has D0, D2, D4 are used to pass instead of O0, O1, O2
    fmov(FloatRegisterImpl::D, s, a.as_double_register() );
  else
    stf(FloatRegisterImpl::D, s, a.as_address());
}
inline void MacroAssembler::store_float_argument( FloatRegister s, Argument& a ) {
  if (a.is_float_register())
// V9 ABI has F1, F3, F5 are used to pass instead of O0, O1, O2
    fmov(FloatRegisterImpl::S, s, a.as_float_register() );
  else
    // Floats are stored in the high half of the stack entry
    // The low half is undefined per the ABI.
    stf(FloatRegisterImpl::S, s, a.as_address(), sizeof(jfloat));
}
inline void MacroAssembler::store_long_argument( Register s, Argument& a ) {
  if (a.is_register())
    mov(s, a.as_register());
  else
    stx(s, a.as_address());
}
inline void MacroAssembler::store_argument( Register s, Argument& a ) {
  if (a.is_register())
    mov(s, a.as_register());
  else
    st_ptr (s, a.as_address());         // ABI says everything is right justified.
}
inline void MacroAssembler::load_argument( Argument& a, Register  d ) {
  if (a.is_register())
    mov(a.as_register(), d);
  else
    ld (a.as_address(),  d);
}