cmd/compile/internal/sparc64: first attempt at progtable
cmd/compile/internal/sparc64: first attempt at progtable

Compiler now compiles!

Change-Id: I608c10f6aba23cf66a712725ceee8a4f3f13811d

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