[Bug target/65697] __atomic memory barriers not strong enough for __sync builtins

[mwahab at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65697

--- Comment #64 from mwahab at gcc dot gnu.org ---
Author: mwahab
Date: Mon Jun 29 16:09:10 2015
New Revision: 225133

URL: https://gcc.gnu.org/viewcvs?rev=225133&root=gcc&view=rev
Log:
2015-06-29  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * config/armc/arm.c (arm_split_compare_and_swap): For ARMv8, replace an
        initial acquire barrier with final barrier.


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