On Thu, May 26, 2016 at 4:02 AM, Alan Modra <amo...@gmail.com> wrote: > This fixes lack of bb_loop_depth info in some of the early parts of > ira, which has been the case for quite some time. All active branches > return 0 from bb_loop_depth() in update_equiv_regs, but whether that > actually causes mis-optimization anywhere but trunk is yet to be > determined. > > I played a little with trying to consolidate this loop_optimizer_init > call with one that occurs a little later, but ran into ICEs. (We now > have four calls to loop_optimizer_init in ira.c.) > > Bootstrapped and regression tested powerpc64le-linux and x86_64-linux. > OK to apply? > > PR rtl-optimization/71275 > * ira.c (ira): Call loop_optimizer_init to set up bb_loop_depth > for update_equiv_regs and combine_and_move_insns. >
This caused: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71531 -- H.J.
