RFR: 8231471: Obsolete -XX:CompilationPolicyChoice

[Tobias Hartmann]

+1

Best regards,
Tobias

On 26.09.19 18:32, Vladimir Kozlov wrote:
> Good.
> 
> Thanks,
> Vladimir
> 
> On 9/26/19 6:27 AM, Claes Redestad wrote:
>> Hi,
>>
>> CompilationPolicyChoice was deprecated in 13 with the goal of obsoleting
>> it in 14.
>>
>> Webrev: http://cr.openjdk.java.net/~redestad/8231471/webrev.00/
>> Bug:    https://bugs.openjdk.java.net/browse/JDK-8231471
>>
>> Since removing CompilationPolicyChoice makes it impossible to select and
>> run the StackWalkCompPolicy I've removed that code, along with 2 develop
>> flags only used by it.
>>
>> StackWalkCompPolicy was the C2 default before 6, but abandoned in favor
>> of the simpler C1 policy since it resulted in better startup and similar
>> or better performance[1]. The choice to go back has remained as an
>> undocumented options, and we've seen no reports of it being used.
>>
>> Testing: tier1-3
>>
>> Thanks!
>>
>> /Claes