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[Caml-list] Bug? Printf, %X and negative numbers
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Date: -- (:)
From: Ville-Pertti Keinonen <will@e...>
Subject: Re: [Caml-list] Bug? Printf, %X and negative numbers

> Most blocks are small, so one could make a scheme that fits the number
> of pointers into the current block header for small blocks and uses an
> extra word for larger blocks.  This would have the desirable side
> effect of increasing the limit on the size of arrays.  Code that
> accesses inside a block often knows the size of the block it's
> accessing, so you can often precompute whether that extra word is
> there and avoid taking a branch to decide whether to skip it.

Code that accesses fields of a block always knows the size unless it's 
an array (or string), in which case bounds checking also needs to be 
done, but it couldn't contain mixed data anyhow.

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