RFR (xs) 8037138: x86: problem with JVMTI breakpoint

[Coleen Phillimore]

Thanks Dean!
Coleen

On 8/17/16 9:59 PM, dean.long at oracle.com wrote:
> Looks good.
>
> dl
>
>
> On 8/17/16 2:36 PM, Coleen Phillimore wrote:
>> Summary: do aload(0) after rewriting aload bytecodes to fast version 
>> for frequent pairs.
>>
>> This is more of a cleanup since RewriteFrequentPairs is turned off 
>> for breakpoint debugging, because if frequent pairs of bytecodes are 
>> rewritten, you can't set a breakpoint on the second bci of a pair 
>> because it's not executed with this optimization.
>>
>> Now all the platforms are the same as ppc for this.
>>
>> Tested with jprt since aload(0) in the interpreter is executed a many 
>> times.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8037138.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8037138
>>
>>
>> See bug for how this came up on the openjdk thread.
>>
>> Thanks,
>> Coleen
>>
>