cmd/compile/internal/sparc64: generate RNOP correctly
cmd/compile/internal/sparc64: generate RNOP correctly

Change-Id: I2f28f7c50c5bc6f23dd1d57339298d8bdc3c2259

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