Also added selectable mips32r2 mode. BUG= TEST= Review URL: https://chromiumcodereview.appspot.com/9361024 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10642 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
BUG= TEST= Review URL: http://codereview.chromium.org/8505007 Patch from Gergely Kis <gergely@homejinni.com>. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9940 ce2b1a6d-e550-0410-aec6-3dcde31c8c00