RFR (xs) 8037138: x86: problem with JVMTI breakpoint
Coleen Phillimore
coleen.phillimore at oracle.com
Thu Aug 18 12:44:46 UTC 2016
Thanks David,
Coleen
On 8/17/16 10:59 PM, David Holmes wrote:
> Looks good to me.
>
> Thanks,
> David
>
> On 18/08/2016 7:36 AM, 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
>>
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