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

[Vladimir Kozlov]

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
>