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

Roland Westrelin roland.westrelin at oracle.com
Fri Oct 10 17:47:10 UTC 2014

>> 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?


More information about the hotspot-compiler-dev mailing list