------- Comment #3 from pinskia at gcc dot gnu dot org 2010-05-13 21:43 ------- (In reply to comment #2) > Yes, poor is a better word. > > And by poor, I mean that gcc produces many superfluous loads and stores and > even a branch.
Yes -O1 is by design produces extra loads/stores in some cases. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44123
