On 4/2/19 10:12 PM, Roman Kennke wrote: > > - No more need for object equals barriers. > > I'm pleased about that. I really hated the AArch64 Shenandoah CAS!
I'm sorry to disappoint you, but the CAS barrier is still needed. The memory location may still legally hold a from-space reference, and comparing that to a to-space reference needs some special care. And yes, ZGC has a similar problem as far as I know. Roman
