On Thu, May 21, 2015 at 04:57:00PM +0100, Matthew Wahab wrote:
> On Aarch64, the __sync builtins are implemented using the __atomic operations
> and barriers. This makes the the __sync builtins inconsistent with their
> documentation which requires stronger barriers than those for the __atomic
> bu
On 22/05/15 12:26, Ramana Radhakrishnan wrote:
Ok for trunk?
I can't approve but do you mind taking care of -march=armv8-a in the
arm backend too as that would have the same issues.
Will do,
Matthew
>
> Ok for trunk?
I can't approve but do you mind taking care of -march=armv8-a in the
arm backend too as that would have the same issues.
Ramana
> Matthew
>
> gcc/
> 2015-05-21 Matthew Wahab
>
> * config/aarch64/aarch64.c (aarch64_emit_post_barrier): New.
> (aarch64_split_ato
On Aarch64, the __sync builtins are implemented using the __atomic operations
and barriers. This makes the the __sync builtins inconsistent with their
documentation which requires stronger barriers than those for the __atomic
builtins.
The difference between __sync and __atomic builtins is that t
