RFR(M): 6700100: optimize inline_native_clone() for small objects with exact klass

Vladimir Kozlov vladimir.kozlov at oracle.com
Fri Oct 10 19:31:02 UTC 2014

I was thinking aloud :)

Changes are good as it is. Thank you for discussion.


On 10/10/14 10:47 AM, Roland Westrelin wrote:
>>> If we wanted to delay that transformation, wouldn’t we also want a few passes of IGVN to happen before we do the transformation?
>> The thing which can be improved is klass exactness. Which will allow to skip adding dependency. That is what I was thinking. But it may only happen after CCP phase. But I really want to do this optimization before EA which will greatly benefit from it. Also if klass is exact during parsing we may do optimization during parsing too.
> Ok. But I’m not sure if you’re suggesting a change or if it’s good as it is?
> Roland.

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