[aarch64-port-dev ] RFR: aarch64: Add Arrays.fill stub code

[Andrew Haley]

On 04/06/2016 05:01 PM, Andrew Haley wrote:
> On 04/06/2016 01:51 PM, Long Chen wrote:
> 
> 
>> Following up I would like to propose a patch to use DC ZVA for large array
>> zeroing.
> 
> OK.  I haven't seen much advantage to using DC ZVA, but I'm
> prepared to listen.

I just discovered that GCC turns this

  while (count-- > 0) {
    *to++ = v;
  }

into a call to a memset() with does  DC ZVA.  So we have been
using DC ZVA in many places in the VM already.  Go figure.  :-)

Andrew.