[10] RFR(XS): 8180587: Assert in layout_helper_log2_element_size(jint) compares bits instead of bytes

Tobias Hartmann tobias.hartmann at oracle.com
Fri May 19 06:26:47 UTC 2017


Hi Vladimir,

thanks for the review!

Best regards,
Tobias

On 18.05.2017 19:06, Vladimir Kozlov wrote:
> On 5/18/17 7:50 AM, Zoltán Majó wrote:
>> Hi Tobias,
>>
>> the proposed change looks good to me.
> 
> +1
> 
> Vladimir
> 
>>
>> Thank you!
>>
>> Best regards,
>>
>>
>> Zoltan
>>
>>
>> On 05/18/2017 09:47 AM, Tobias Hartmann wrote:
>>> Hi,
>>>
>>> please review the following patch:
>>> https://bugs.openjdk.java.net/browse/JDK-8180587
>>> http://cr.openjdk.java.net/~thartmann/8180587/webrev.00/
>>>
>>> While working on value types, I wondered that the "l2esz <= LogBitsPerLong" assert in
>>> layout_helper_log2_element_size() did not fire although the array element size of a value type is greater than the
>>> size of a long. The problem is that the assert compares the log2 element size which is in bytes (see initialization in
>>> Klass::array_layout_helper()) to LogBitsPerLong which obviously is in bits.
>>>
>>> Thanks,
>>> Tobias
>>


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