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From: Florian Weimer <fw@deneb.cygnus.argh.org>
Subject: Re: OS Bindings (was: Where is the elusive jump command?)
Date: 2000/04/12
Message-ID: <87ya6jqi2p.fsf@deneb.cygnus.argh.org>#1/1
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Date: 2000-04-12T18:39:58+00:00
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Robert A Duff <bobduff@world.std.com> writes:

> > type T is range 0 ..  #16#ffff_ffff_ffff_ffff#;

> Also because System.Max_Int is 2**63-1 or 2**31-1 on most
> implementations, and there's a rule saying that the bounds have to be
> less than or equal to System.Max_Int.

In addition, the base type of T is (almost) symmetric around zero,
which means that it occupies at least T'Size + 1 bits, which is
problematic if T'Size is already the (double) word size.