RFR(XS): 8245521: Remove STACK_BIAS

[Mikael Vidstedt]

David/Matthias/Vladimir, thanks for the reviews! Change pushed.

Cheers,
Mikael

> On May 26, 2020, at 12:01 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
> 
> On 5/21/20 9:11 PM, David Holmes wrote:
>> Hi Mikael,
>> Looks good.
> 
> +1
> 
>> I assume the change to GraalHotSpotVMConfig.java is to allow it to work with older VMs?
> 
> Yes. stackBias will be set to 0 if STACK_BIAS is not present. Otherwise it will be set to STACK_BIAS value.
> 
> Thanks,
> Vladimir
> 
>> Thanks,
>> David
>> On 22/05/2020 1:36 pm, Mikael Vidstedt wrote:
>>> 
>>> Please review this small change which removes the STACK_BIAS constant and its uses:
>>> 
>>> JBS: https://bugs.openjdk.java.net/browse/JDK-8245521
>>> webrev: http://cr.openjdk.java.net/~mikael/webrevs/8245521/webrev.00/open/webrev/
>>> 
>>> Background (from JBS):
>>> 
>>> With Solaris/SPARC removed the STACK_BIAS definition in src/hotspot/share/utilities/globalDefinitions.hpp is now always 0 and can be removed.
>>> 
>>> 
>>> Testing:
>>> 
>>> Tier1
>>> 
>>> Cheers,
>>> Mikael
>>>