RFR (XS) 8057845: ClassVerifier::verify_exception_handler_targets reconstructs the ExceptionTable in a loop

Karen Kinnear karen.kinnear at oracle.com
Thu Sep 18 18:46:02 UTC 2014


Looks great. Thanks.

thanks,
Karen

On Sep 18, 2014, at 2:39 PM, harold seigel wrote:

> Hi,
> 
> Please review this small verifier performance improvement for bug JDK-8057845.  The change stops re-fetching the exception table for each loop iteration.  The re-fetching is no longer needed because Method no longer gets moved by gc.  This change noticeably improved Nashorn class loading.
> 
> bug:  https://bugs.openjdk.java.net/browse/JDK-8057845
> Open webrev: http://cr.openjdk.java.net/~hseigel/bug_8057845/
> 
> The fix was tested with JCK lang, vm, and api/java_lang tests, ute quick tests, ute split_verifier tests, JPRT, and hotspot JTREG tests.
> 
> Thanks, Harold



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