[FFmpeg-devel] [PATCH] lavu/atomic: add support for the new memory model aware gcc built-ins

[Michael Niedermayer]

On Mon, Oct 27, 2014 at 11:25:01PM -0300, James Almer wrote:
> __sync built-ins are considered legacy and will be deprecated.
> These new memory model aware built-ins have been available since GCC 4.7.0
> 
> Use them by default when available except for __atomic_compare_exchange_n(),
> which is slower, and is instead implemented as a fallback for when and if gcc
> removes the legacy __sync built-ins.
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  configure              |  4 +++-
>  libavutil/atomic_gcc.h | 17 +++++++++++++++++
>  2 files changed, 20 insertions(+), 1 deletion(-)

LGTM

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I have often repented speaking, but never of holding my tongue.
-- Xenocrates
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