RFR: 8135157: DMB elimination in AArch64 C2 synchronization implementation

[Andrew Haley]

On 09/08/2015 09:36 AM, Edward Nevill wrote:
> Hi Andrew
> 
> http://cr.openjdk.java.net/~aph/8135157-1
> 
> looks good but I think the following is incorrect in storeLConditional
> 
> -  ins_encode(aarch64_enc_cmpxchg(mem, oldval, newval));
> +  ins_encode(aarch64_enc_cmpxchg_acq(newval, heap_top_ptr));
> 
> I think the original line was correct in this case.

How did that even compile?  OK, will fix.

Andrew.