[Bug middle-end/53090] suboptimal ivopt

[xinliangli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53090

--- Comment #1 from davidxl <xinliangli at gmail dot com> 2012-04-23 17:37:40 UTC ---
Created attachment 27223
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27223
benchmark source