[Bug middle-end/57811] Wasted work in find_reloads()

[pchang9 at cs dot wisc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57811

--- Comment #3 from Po-Chun Chang <pchang9 at cs dot wisc.edu> ---
Created attachment 30445
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30445&action=edit
Suggested patch for loop at line 4641