Hotspot loves PHP.reboot

Mark Roos mroos at roos.com
Wed Sep 7 13:22:38 PDT 2011


Rémi Forax wrote:
> 
> so the VM knows that only methods *DetectingOverflow are able to 
> throw that specific exception.
> int addDetectingOverflow(int x, int y) throws IntegerOverflowException
> This also have the advantage that the inlining heuristic can be tweaked
> to not count exception handlers that receive that specific exception.
> 
> Generalize this to "UnexpectedTypeStateException" and build that 
> into a set of patterns that accomplish user-defined deoptimization. 
> That would be worth special-casing in the JVM.
> 
> -- John_______________________________________________


Would not s specialized GWT be a nice way to handle this?  Especially one 
where the 
developer could provide a test in an inline assembly like style for slot 
access, unboxing and
compares

Seems to me John mentioned an idea for a methodHandle to inline code as in 
interesting concept

mark
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