[8u20] RFR(M): 8031754: Type speculation should favor profile data from outermost inlined method

[Vladimir Kozlov]

Yes, until we merge ppc64 port into 8u20 we will have these problems.
You changes are good.

Thanks,
Vladimir

On 3/14/14 11:50 AM, Roland Westrelin wrote:
> Please, review backport to 8u20. The patch applies cleanly except for c2_globals.hpp. jdk8u doesn’t have doesn’t have:
>
>     product_pd(bool, TrapBasedRangeChecks,                                    \
>             "Generate code for range checks that uses a cmp and trap "        \
>             "instruction raising SIGTRAP. Used on PPC64.")                    \
>
> from:
>
> 8028767: PPC64: (part 121): smaller shared changes needed to build C2
>
> that I don’t think we want to backport.
>
>
> It’s been in jdk9 for 2 weeks. 8032633 that enabled type speculation and stresses this change was pushed a week ago.
>
> http://cr.openjdk.java.net/~roland/8031754/webrev.02/
> https://bugs.openjdk.java.net/browse/JDK-8031754
> http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/484a359ff649
>
> Roland.
>