cmd/internal/obj/sparc64: add floating-point multiply and divide
cmd/internal/obj/sparc64: add floating-point multiply and divide

Change-Id: I66094e331c0cfd802bfbd6d03ae2dc3fd67acecb

4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go