RFR: 8231471: Obsolete -XX:CompilationPolicyChoice

[Vladimir Kozlov]

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