fixes issue 519 + do not read from registry on nudge and other ops where   it is unnecessary
fixes issue 519
+ do not read from registry on nudge and other ops where
  it is unnecessary

SVN-Revision: 893

code4bones/dynamorio,code4bones/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,bl4ckic3/dynamorio,sigma-random/dynamorio,sigma-random/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,daksunt/dynamorio,sigma-random/dynamorio,daksunt/dynamorio,code4bones/dynamorio,code4bones/dynamorio,sigma-random/dynamorio,daksunt/dynamorio,code4bones/dynamorio,AmesianX/dynamorio