[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



Georg-Johann Lay <gjl at gcc dot gnu.org> changed:



           What    |Removed                     |Added

----------------------------------------------------------------------------

             Status|UNCONFIRMED                 |NEW

   Last reconfirmed|                            |2012-11-02

     Ever Confirmed|0                           |1



--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-11-02 
16:10:05 UTC ---

== Command Line ==



$ avr-gcc -S foo.c -Os -dp



with avr-gcc



GCC: (GNU) 4.8.0 20120915 (experimental)



Set component to "other", dunno if avr backend is the culprit or the middle-end

disregarding costs.