[Vm-dev] [VM-dev] Does doesNotUnderstand:/cannotInterprer: jitted?

Denis Kudriashov dionisiydk at gmail.com
Wed Nov 23 09:11:45 UTC 2016

2016-11-23 0:47 GMT+01:00 Eliot Miranda <eliot.miranda at gmail.com>:

> A PIC is just a table of up to 6 register load, class (index) comparison
> pairs.  The entry code gets the class of the receiver into a temp reg and
> then jumps to the sequence of load, class (index) comparisons.  Whenever
> there's a match the comparison jumps to the entry point of the method.  For
> an MNU case, instead of jumping to a method entry point, it jumps to an
> abort call at the start of the PIC, before the PIC's entry code.  The abort
> call creates the method and tests the value loaded into the register.  If
> the value loaded is that of a method it jumps to the entry point of that
> method.  The method loaded is the MNU method for the class.

Thank's Eliot. Logic is clear for me now. And it is named PUC, right? What
abbreviation means?
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