[Bug rtl-optimization/71275] [7 regression] Performance drop after r235660 on x86-64 in 32-bit mode.

[amodra at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71275

--- Comment #4 from Alan Modra <amodra at gcc dot gnu.org> ---
Author: amodra
Date: Thu May 26 17:38:36 2016
New Revision: 236789

URL: https://gcc.gnu.org/viewcvs?rev=236789&root=gcc&view=rev
Log:
ira.c bb_loop_depth

        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.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira.c