RFR: 8166125: [JVMCI] Missing JVMCI flag default values

[Doug Simon]

David noticed this while investigating some performance regressions that occurred around the time we switched from a separate JVMCI VM binary (i.e. COMPILERJVMCI) to -XX:+UseJVMCICompiler.

-Doug

> On 15 Sep 2016, at 20:34, Christian Thalinger <cthalinger at twitter.com> wrote:
> 
> Nobody noticed until now?
> 
>> On Sep 15, 2016, at 4:10 AM, David Leopoldseder <david.d.leopoldseder at oracle.com> wrote:
>> 
>> Hi,
>> 
>> Please review this patch.
>> 
>> Bug: 
>>     During the initial commit for the JVMCI JEP some options JVMCI sets differently than c2 have been forgotten.
>> Fix:
>>     Set the options if INCLUDE_JVMCI is true and -XX:+UseJVMCICompiler.
>> 
>> http://cr.openjdk.java.net/~davleopo/JDK-8166125/webrev.001/
>> https://bugs.openjdk.java.net/browse/JDK-8166125
>> 
>> - david
>