[Bug rtl-optimization/68664] [6/7 Regression] Speculative sqrt in c-ray main loop causes large slow down

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68664

--- Comment #27 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Tue Feb 14 10:33:50 2017
New Revision: 245425

URL: https://gcc.gnu.org/viewcvs?rev=245425&root=gcc&view=rev
Log:
[ARM] PR rtl-optimization/68664 Implement TARGET_SCHED_CAN_SPECULATE_INSN hook

        PR rtl-optimization/68664
        * config/arm/arm.c (arm_sched_can_speculate_insn):
        New function.  Declare prototype.
        (TARGET_SCHED_CAN_SPECULATE_INSN): Define.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c