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

[dean.long at oracle.com]

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
>