[Bug other/55181] [4.7/4.8 Regression] Expensive shift loop where a bit-testing instruction could be used

[gjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55181



--- Comment #2 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-11-02 
16:11:40 UTC ---

Created attachment 28597

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28597

foo.c Test case