Request for reviews (S): 6934104: JSR 292 needs to support SPARC C2

[Christian Thalinger]

http://cr.openjdk.java.net/~twisti/6934104/webrev.01/

6934104: JSR 292 needs to support SPARC C2
Summary: C2 for SPARC needs to support JSR 292.
Reviewed-by: 

C2 for SPARC needs to support JSR 292.

src/cpu/sparc/vm/runtime_sparc.cpp
src/cpu/sparc/vm/sparc.ad