[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 #4 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-11-02 
16:15:16 UTC ---

Created attachment 28599

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28599

foo.s (4.6.2, good)



Assembler output from 4.6.2 that generates a bit test instruction.