rs := r.Sym()
	if target.IsAIX() {
		ldr.Errorf(s, "archrelocaddr called for %s relocation\n", ldr.SymName(rs))
	}
	o1, o2 := unpackInstPair(target, val)

	// Verify resulting address fits within a 31 bit (2GB) address space.
	// This is a restriction arising  from the usage of lis (HA) + d-form