Request for review(M): 7020521: arraycopy stubs place prebarriers incorrectly

[Igor Veresov]

On 2/22/11 1:02 PM, Tom Rodriguez wrote:
>
> On Feb 22, 2011, at 11:57 AM, Igor Veresov wrote:
>
>> I rearranged the pre-barrier placement in arraycopy stubs so that they are properly called in case of chained calls. Also refactored the code a little bit so that it looks uniform across the platforms and is more readable.
>>
>> Webrev: http://cr.openjdk.java.net/~iveresov/7020521/webrev.00
>
> So the fix part of this is moving the gen_write_ref_array_pre_barrier to after the external entry point instead of before it?  If so then I understand it and the rest looks fine.
>

That's right. It's after the entry point in all the cases and also after 
the dispatching happens. So only the actual method that does the copying 
executes a prebarrier.

igor

> tom
>
>>
>> Thanks,
>> igor
>