Request for review (M): 7029017 Additional architecture support for c2 compiler

[Roland Westrelin]

> Here is another suggestion for you. Use final_graph_reshaping to mask shift
> count (in final_graph_reshaping_impl()):

Thanks Vladimir.
Here is a new webrev:

http://cr.openjdk.java.net/~roland/7029017/webrev.01/

Roland.