RFR(XS): 7035117: G1: nsk/stress/jni/jnistress002 fails with an assertion failure caused by changes for 7009266

[Igor Veresov]

Looks good.

igor

On 4/13/11 10:08 AM, John Cuthbertson wrote:
> Hi Everyone,
>
> I have a new webrev for this CR here:
> http://cr.openjdk.java.net/~johnc/7035117/webrev.1/
>
> The changes include Tom's suggestion to use ConX in C2 code and the fix
> for the same test in tiered compilation/C1.
>
> Testing: the failing test case, nsk tests, jprt.
>
> Thanks,
>
> JohnC
>
> On 04/08/11 11:04, John Cuthbertson wrote:
>> Hi Everyone,
>>
>> Can I have a couple of volunteers to look over the fix for this CR?
>> The webrev can be found at:
>> http://cr.openjdk.java.net/~johnc/7035177/webrev.0/.
>>
>> The problem is that the node representing the offset (in an
>> Unsafe.getObject compilation) could be typed as a long and generating
>> the compare of offset against java_lang_ref_Reference::referent_offset
>> (typed as an int) caused an assertion failure about the mis-matching
>> types.
>>
>> The fix is to generate a suitably typed constant based upon the type
>> of "offset".
>>
>> Tested using the failing test case from the nightly tests.
>>
>> Thanks,
>>
>> JohnC
>>
>