// to allocate any stack space). Doing this will require some
	// extra work in typecheck/walk/ssa, might want to add a new node
	// OTAILCALL or something to this effect.
	tailcall := fn.Type().NumResults() == 0 && fn.Type().NumParams() == 0 && fn.Type().NumRecvs() == 0
	if base.Ctxt.Arch.Name == "ppc64le" && base.Ctxt.Flag_dynlink {
		// cannot tailcall on PPC64 with dynamic linking, as we need
		// to restore R2 after call.
		tailcall = false
	}