Re: [Gc] Fwd: Re: AArch64: Shareability domain for dmb st overly conservative (#11)

Andrew Haley <[email protected]> Wed, 05 Nov 2014 17:06:08 +0000

Newsgroups	gmane.comp.programming.garbage-collection.boehmgc
Message-ID	<[email protected]>

On 11/04/2014 09:28 AM, Yvan Roux wrote:
> To give a full picture of the __atomic_thread_fence builtin for
> AArch64, here is the generated code (by trunk) for each model:
> 
> __ATOMIC_RELAXED -> nothing

I'm pretty sure that is wrong.  ATOMIC_RELAXED does imply single-
word coherence, AIUI.

Andrew.