available. Using blx will allow the CPU to predict the return address
fo the function, resulting in better overall performamce.
This is a copy of http://codereview.chromium.org/1113002 by
rodolph.perfetta@googlemail.com

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00