return oregclass(c.instoffset)
		}
		return C_GOK

	case obj.TYPE_FCONST:
		return C_FCON

	case obj.TYPE_TEXTSIZE:
		return C_TEXTSIZE

	case obj.TYPE_CONST, obj.TYPE_ADDR:
		switch a.Name {
		case obj.NAME_NONE:
			c.instoffset = a.Offset
			if a.Reg != 0 && a.Reg != REGZERO {
				break
			}
			v := c.instoffset
			if v == 0 {
				return C_ZCON
			}

func AddAux(a *obj.Addr, v *ssa.Value) {
	AddAux2(a, v, v.AuxInt)
}
func AddAux2(a *obj.Addr, v *ssa.Value, offset int64) {
	if a.Type != obj.TYPE_MEM && a.Type != obj.TYPE_ADDR {
		v.Fatalf("bad AddAux addr %v", a)
	}
	// add integer offset
	a.Offset += offset

	// If no additional symbol offset, we're done.
	if v.Aux == nil {
		return
	}