[8u40] RFR(s): backport of 8058184, 8058092

[Igor Veresov]

Thanks, Vladimir!

igor

On Sep 11, 2014, at 8:42 AM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:

> On 9/11/14 2:29 AM, Igor Veresov wrote:
>> 8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
>> The patch did not apply automatically because 8u doesn’t have code aging that added new field to MethodCounters. Since the patch had to
>> be adjusted manually I also moved _highest_*_level fields in MethodCounters to achieve optimal packing (not a problem for 9, packing there is optimal already).
>> 
>> Webrev for 8u: http://cr.openjdk.java.net/~iveresov/8058184-8u/webrev.00/.
> 
> Changes looks good.
> 
>> JBS: https://bugs.openjdk.java.net/browse/JDK-8058184
>> Webrev for 9: http://cr.openjdk.java.net/~iveresov/8058184/webrev.00
>> JDK9 changeset: http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/a39c9249f4be
>> 
>> 8058092: Test vm/mlvm/meth/stress/compiler/deoptimize. Assert in src/share/vm/classfile/systemDictionary.cpp: MH intrinsic invariant
>> JBS: https://bugs.openjdk.java.net/browse/JDK-8058092
>> Webrev: http://cr.openjdk.java.net/~iveresov/8058092/webrev.00/
>> JDK9 changeset: http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/daa5ae1d95c4
> 
> Good.
> 
> Thanks,
> Vladimir
> 
>> 
>> Thanks!
>> igor
>>