Oops, I missed that the release semantics is not just store before
store but also load before store, sorry for that :(
Yvan
On 14 February 2013 16:40, Yvan Roux wrote:
> Hi,
>
> a call to the builtin __atomic_thread_fence with the memory model
> __ATOMIC_RELEASE generates a data memory barrier w
Hi,
a call to the builtin __atomic_thread_fence with the memory model
__ATOMIC_RELEASE generates a data memory barrier with the option ish
whereas I think that the one which has the "release" semantic is ishst
(store before store). The attached patch implements my proposal.
Thanks,
Yvan
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gcc/
