Re: New assembly language instructions to support OO languages?

Chris Gray schrieb:


> Well, its not a real machine, but here's an opcode description from my
> current bytecode system:
>
> bc_gmeth, /* Get METHod. The top-of-stack is the reference to an
> interface or capsule. The method vector is loaded
> from offset 16 in the interface or capsule. Then,
> the single 16 bit argument is added to the vector
> address, and the actual method reference is loaded
> from there. */
>
> I can't see it being worth adding to a real CPU, however - it would
> pipeline badly (two serialized fetches) and is trivial to build out of
> existing instructions.


ACK. Indirect addressing modes can be emulated, so that the fetches can
be interleaved by the compiler with other instructions, not requiring
memory references.


DoDi

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