Replacing for/switch flow control with multiple labeled for loops allowing fast jump back and if blocks for relatively cheap fall through. Local measurements on chrome indicate 30% speedup in the matrix multiplication benchmark.

0a115f1c6f3c70458fc479ae82b4d7fcdeb7e95a jdk7-b147_base

7367a296a9ec4a88e0292a41244c96283818e563 bck2brwsr-0.3

caf1e66268fd4100d57922d973ae09a6bf3be847 release-${releaseVersion}