* bignum.c (bigdivrem): Specialized implementation added for
  nx == 2 && ny == 2



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-07-29

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42219 b2dd03c8-39d4-4d8f-98ff-823fe69b080e