[Bug rtl-optimization/82396] [8 Regression] qsort comparator non-negative on sorted output: 4 in ready_sort_real in haifa scheduler

[wilco at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82396

--- Comment #9 from Wilco <wilco at gcc dot gnu.org> ---
Author: wilco
Date: Wed Oct  4 16:40:44 2017
New Revision: 253419

URL: https://gcc.gnu.org/viewcvs?rev=253419&root=gcc&view=rev
Log:
Revert r253399:

        PR rtl-optimization/82396
        * haifa-sched.c (autopref_multipass_init): Simplify
        initialization.
        (autopref_rank_data): Simplify sort order.
        * sched-int.h (autopref_multipass_data_): Remove
        multi_mem_insn_p, min_offset and max_offset.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/haifa-sched.c
    trunk/gcc/sched-int.h