RFR(XS): 8075921: assert assert(allocx == alloc) fails in library_call.cpp
vladimir.kozlov at oracle.com
Mon Mar 30 17:51:38 UTC 2015
On 3/27/15 6:11 AM, Roland Westrelin wrote:
> Hi Vladimir,
> Thanks for looking at this.
>> Null checks can also make stop fast path in inline_arraycopy(). I think you should add some stopped() checks there too if needed.
> All guards can stop the fast path, not only the null checks. What about this:
> Some code that generates guards already check for stopped(). I’ve added new checks only where they were missing.
>> On 3/26/15 6:10 AM, Roland Westrelin wrote:
>>> During arraycopy intrinsic construction, control becomes top after arraycopy guards are added and that confuses the logic that moves the tightly coupled allocation.
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