RFR: 8194406: Use Atomic::replace_if_null

[David Holmes]

Looks good.

Thanks,
David

On 4/01/2018 5:57 PM, Kim Barrett wrote:
>> On Jan 3, 2018, at 3:15 AM, Kim Barrett <kim.barrett at oracle.com> wrote:
>>
>>> On Jan 2, 2018, at 11:41 PM, David Holmes <david.holmes at oracle.com> wrote:
>>
>>> ./share/utilities/bitMap.cpp:    if (Atomic::cmpxchg(table, &_pop_count_table, (BitMap::idx_t*)NULL) != NULL) {
>>
>> Thanks for spotting that one.
> 
> I missed that one because my grep pattern didn't include qualified
> type names in the cast.  Fixing my search, I didn't find any other
> calls to update.
> 
> Here's the updated webrev:
> http://cr.openjdk.java.net/~kbarrett/8194406/open.01/
> 
> Only change is to bitMap.cpp.
>