Fwd: RFR(XS) (11) 8197447 : LogCompilation throws "couldn't find bytecode"

Vladimir Kozlov vladimir.kozlov at oracle.com
Thu May 3 21:25:49 UTC 2018


Looks good.

Thanks,
Vladimir K

On 2/20/18 6:58 AM, Eric Caspole wrote:
> Hi - could anyone review this patch? This fix is handy for me where I am 
> using the tool a lot lately.
> Thanks,
> Eric
> 
> 
> 
> -------- Forwarded Message --------
> Subject: RFR(XS) (11) 8197447 : LogCompilation throws "couldn't find 
> bytecode"
> Date: Fri, 9 Feb 2018 16:48:24 -0500
> From: Eric Caspole <eric.caspole at oracle.com>
> To: hotspot-compiler-dev at openjdk.java.net
> 
> Hi everybody,
> 
> Please review this small change to the LogCompilation tool, where it did 
> not support processing the unstable_fused_if uncommon trap which would 
> take the place of the first unstable_if in the original code.
> 
> I would like to add a test case for this but I am not sure what code 
> sequence would be sure to get this optimization, and also not result in 
> a giant log (where I originally found this problem while debugging an 
> unrelated problem). Open to suggestions.
> 
> Thanks,
> 
> Eric
> 
> 
> JBS:
> 
> https://bugs.openjdk.java.net/browse/JDK-8197447
> 
> webrev:
> 
> http://cr.openjdk.java.net/~ecaspole/JDK-8197447/webrev/
> 


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