[Bug tree-optimization/58277] wrong code at -O3 (affecting 4.7, 4.8, and trunk)

[su at cs dot ucdavis.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58277

--- Comment #3 from Zhendong Su <su at cs dot ucdavis.edu> ---
Created attachment 30726
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30726&action=edit
another testcase for both 32-bit and 64-bit modes