[Bug rtl-optimization/81434] AArch64 instruction fusing and pipeline scheduling problem

[wilson at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81434

--- Comment #9 from Jim Wilson <wilson at gcc dot gnu.org> ---
Author: wilson
Date: Wed Oct 11 03:23:41 2017
New Revision: 253628

URL: https://gcc.gnu.org/viewcvs?rev=253628&root=gcc&view=rev
Log:
Allow 2 insns from sched group to issue in same cycle, if no stalls needed.

        gcc/
        PR rtl-optimization/81434
        * haifa-sched.c (prune_ready_list): Init min_cost_group to 0.  Update
        comment for main loop.  In sched_group_found if, also add checks for
        pass and min_cost_group.

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