[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 #69 from mwahab at gcc dot gnu.org ---
Author: mwahab
Date: Wed Aug  5 11:48:43 2015
New Revision: 226621

URL: https://gcc.gnu.org/viewcvs?rev=226621&root=gcc&view=rev
Log:
        Backport from trunk
        2015-06-01  Matthew Wahab  <matthew.wahab@arm.com>

        PR target/65697
        * gcc.target/aarch64/sync-comp-swap.c: New.
        * gcc.target/aarch64/sync-comp-swap.x: New.
        * gcc.target/aarch64/sync-op-acquire.c: New.
        * gcc.target/aarch64/sync-op-acquire.x: New.
        * gcc.target/aarch64/sync-op-full.c: New.
        * gcc.target/aarch64/sync-op-full.x: New.
        * gcc.target/aarch64/sync-op-release.c: New.
        * gcc.target/aarch64/sync-op-release.x: New.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-comp-swap.c
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-comp-swap.x
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-acquire.c
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-acquire.x
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-full.c
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-full.x
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-release.c
    branches/gcc-5-branch/gcc/testsuite/gcc.target/aarch64/sync-op-release.x
Modified:
    branches/gcc-5-branch/gcc/testsuite/ChangeLog