RFR: 8185062: Set AssumeMP to true and deprecate the flag

[Vladimir Kozlov]

On 9/27/17 11:01 PM, David Holmes wrote:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8185062
> Webrev: http://cr.openjdk.java.net/~dholmes/8185062/webrev/

What are rules for flags values in the test?
I see some are not matching values in globals.hpp.

> 
> Following on from the discussion here:
> 
> http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-August/027720.html
> 
> and given the new 6 monthly release cadence, it has been decided to switch AssumeMP to true and deprecate it in 18.3, 
> with a view to obsoleting it and removing all non-MP related code in 18.9.
> 
> The SPARC specific setting of AssumeMP is no longer needed, and os::is_MP is micro-optimized by checking AssumeMP first.
> 
> CSR request: https://bugs.openjdk.java.net/browse/JDK-8188079
> 
> Can I please get a reviewer for the CSR request (edit it and add your OpenJDK user name to the "Reviewed by" box).

Reviewed.

Thanks,
Vladimir

> 
> I will push once the CSR request is approved.
> 
> Thanks,
> David