RFR: 8202989: Add missing decorators in calls to to arraycopy_prologue/epilogue

[Per Liden]

Thanks Erik!

/Per

On 05/18/2018 02:15 PM, Erik Österlund wrote:
> Hi Per,
> 
> Looks good.
> 
> Thanks,
> /Erik
> 
> On 2018-05-11 10:47, Per Liden wrote:
>> Calls to BarrierSetAssambler::arraycopy_prologue/epilogue() are 
>> missing the IN_HEAP and IN_HEAP_ARRAY access decorators. This is sort 
>> of ok, since the context (we're doing an arraycopy) imply these. 
>> However, by not explicitly specifying them we loose the ability to do 
>> straight forward checks/asserts on expected/allowed decorators later 
>> on in the GC specific BarrierSetAssermbler backends. To avoid having 
>> the backends know about this implicit relationship I propose that we 
>> explicitly specify them at the call-sites.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8202989
>> Webrev: http://cr.openjdk.java.net/~pliden/8202989/webrev.0
>> Testing: hs-tier{1,2}
>>
>> /Per
>