RFR: 8163589: Add back intrinsic methods for event based tracing

[Robbin Ehn]

Thanks!

/Robbin

On 08/17/2016 12:34 AM, Vladimir Kozlov wrote:
> On 8/16/16 2:19 AM, Markus Gronlund wrote:
>> Hi Robbin,
>>
>> Thanks for noticing and catching this - looks good.
>
> +1.
>
> Thanks,
> Vladimir
>
>>
>> Markus
>>
>> -----Original Message-----
>> From: Robbin Ehn
>> Sent: den 15 augusti 2016 07:37
>> To: hotspot-compiler-dev at openjdk.java.net
>> Subject: Re: RFR: 8163589: Add back intrinsic methods for event based tracing
>>
>> Hi again, please review!
>>
>> Fortunately I saw that I had missed a logical change (from 8 to 9) how class id is retrieved, sorry about that.
>> Instead of masking away the two low bits, we use an arbitrary mask and an arbitrary right shift.
>>
>> Here is the incremental::
>> http://cr.openjdk.java.net/~rehn/8163589/hotspot.02-03/
>> with full here:
>> http://cr.openjdk.java.net/~rehn/8163589/hotspot.03/
>>
>> Tested with JMH and relevant RBT test group.
>>
>> Thanks!
>>
>> /Robbin
>>
>> On 08/10/2016 04:05 PM, Robbin Ehn wrote:
>>> Hi all,
>>>
>>> In 8 we had this intrinsic, I'm adding it back Used for event based
>>> tracing.
>>>
>>> Webrev: http://cr.openjdk.java.net/~rehn/8163589/hotspot.01/webrev/
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8163589
>>>
>>> Thanks!
>>>
>>> /Robbin