[aarch64-port-dev ] Notification about AARCH64 open port merge to jdk9/dev

[Andrew Haley]

On 27/02/15 09:21, Andrew Dinn wrote:
> On 26/02/15 21:25, Vladimir Kozlov wrote:
>> We are finishing Oracle's internal testing of AARCH64 open port [1].
>> I synced staging repo [2] with latest jdk9/dev sources today. The plan
>> is to merge AARCH64 sources into jdk9/dev next week.
>>
>> I was asked to send this notice to let people test sources in stage
>> repository before I push them into jdk9.
> 
> I tried rebuilding on AArch64 and immediately encountered a problem with
> the AArch64 ad file. This appears to be caused by:
> 
>   8068977: Remove unused sun.misc.Unsafe prefetch intrinsic support
> 
> which (amongst other things) removed PrefetchRead/Write nodes. However
> AArch64 still includes a rule for PrefetchRead/Write.
> 
> I'm still looking at how to fix both this problem and whatever else may
> be broken once it is fixed (no doubt there /will be/ other breakages).
> 
> Previously when pulling upstream changes down into the aarch64-port repo
> we had to trawl through the change sets identifying and reapplying
> x86_64-specific updates to the AArch64 tree. The same action will be
> required with this merge upstream. I don't suppose this requires us to
> delay the merge if x86 builds and passes all tests -- Andrew Haley may
> have more to say on that front.

I'm happy to take advice.  Will it really require Oracle to start all their
testing again if we fix the AArch64 build by touching only the AArch64-
specific directories?

Andrew.