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> I have been thinking of ways of making the Ravi interpreter faster
> without having to resort to assembly code etc. So far one of the areas
> I have not really looked at is how to improve the bytecode decoding.
> The main issue is that the operands B and C require an extra bit
> compared to operand A, so we cannot make them all 8 bits...

Given a 32- or 64-bit machine, why decoding 8-bit operands would be
faster/better than 9-bit ones?

-- Roberto