[Bug rtl-optimization/55342] [4.8/4.9 Regression] [LRA,x86] Non-optimal code for simple loop with LRA

[ysrumyan at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55342

--- Comment #8 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Created attachment 30751
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30751&action=edit
modified test-case

Modified test-case to reproduce sub-optimal register allocation.