RFR(S): 8012322 : Tiered: CompilationPolicy::can_be_compiled(CompLevel_all) mistakenly return false

Vladimir Kozlov vladimir.kozlov at oracle.com
Thu Apr 18 15:39:30 PDT 2013


Good.

Thanks,
Vladimir

On 4/18/13 3:11 PM, Igor Ignatyev wrote:
>  > For the code to be "clear and self-documented" :) use some meaningful
>  > names instead of 'i', 'j' and 'n'.
> renamed
>
> http://cr.openjdk.java.net/~iignatyev/8012322/webrev.01/
>
> Best regards,
> Igor Ignatyev
>
> On 04/18/2013 10:02 PM, Vladimir Kozlov wrote:
>> Changes are good. My only complain is variables naming:
>>
>> !             final int n = TIERED_STOP_AT_LEVEL + 1;
>> +             for (int i = 1; i < n; ++i) {
>>
>> +         for (int j = 1, n = TIERED_STOP_AT_LEVEL + 1; j < n; ++j) {
>>
>> For the code to be "clear and self-documented" :) use some meaningful
>> names instead of 'i', 'j' and 'n'.
>>
>> Thanks,
>> Vladimir
>>
>> On 4/18/13 10:30 AM, Igor Ignatyev wrote:
>>> Hi all,
>>>
>>> Please review the patch.
>>>
>>> Problem:
>>> if method is 'not_compilable' in C1 or C2,
>>> 'CompilationPolicy::can_be_compiled' will return false for
>>> 'CompLevel_all' even it is compilable in another level
>>>
>>> Fix:
>>> 1. added explicit comp_level to all calls of
>>> CompilationPolicy::can_be_compiled
>>> 2. in CompilationPolicy::can_be_compiled()
>>>    - added assert for checking legality of comp_level
>>>    - changed logic for comp_level == CompLevel_all
>>>
>>> Testing:
>>> JPRT 'compiler/whitebox'
>>>
>>> webrev: http://cr.openjdk.java.net/~iignatyev/8012322/webrev.00/
>>> jbs: https://jbs.oracle.com/bugs/browse/JDK-8012322


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