[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 #59 from mwahab at gcc dot gnu.org ---
Author: mwahab
Date: Mon Jun  1 15:21:02 2015
New Revision: 223984

URL: https://gcc.gnu.org/viewcvs?rev=223984&root=gcc&view=rev
Log:
        PR target/65697
        * config/aarch64/aarch64.c (aarch64_split_compare_and_swap): Check
        for __sync memory models, emit initial loads and final barriers as
        appropriate.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c