RFR: 8175318: Performance issue regarding local JNI references

[James Laskey]

Sent from my iPhone

> On Jul 19, 2017, at 5:11 AM, Aleksey Shipilev <shade at redhat.com> wrote:
> 
> Hi Kim,
> 
>> On 07/19/2017 01:39 AM, Kim Barrett wrote:
>> Webrev:
>> http://cr.openjdk.java.net/~kbarrett/8175318/hotspot.00/
> 
> This makes sense to me.
> 
> Do you want to introduce a utility method that clearly captures "top == 0", and
> pair it with "clear()"? E.g.:
> 
>  void clear() { _top == 0: } // already have one
void clear() { _top = 0; } // already have one
>  bool is_clear() { return _top == 0; }
> 
> Thanks,
> -Aleksey
>