RFR 8232009: Shenandoah: C2 load barrier does not match interpreter version

[Roman Kennke]

Ok. Thank you!

Roman


> Updated: Webrev: http://cr.openjdk.java.net/~zgu/JDK-8232009/webrev.01/
> 
> Added PHANTOM_OOP_REF references.
> 
> Test:
>  Reran tests
> 
> Thanks,
> 
> -Zhengyu
> 
> On 10/11/19 1:11 PM, Zhengyu Gu wrote:
>> Please review this patch that matches C2 load barrier to interpreter's
>> implementation.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8232009
>> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8232009/webrev.00/
>>
>> Test:
>>    hotspot_gc_shenandoah (fastdebug and release) with x86_32 and
>> x86_64 JVMs on Linux
>>
>>
>> Thanks,
>>
>> -Zhengyu
>