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From: "Randy Brukardt" <randy@rrsoftware.com>
Newsgroups: comp.lang.ada
Subject: Re: Your wish list for Ada 202X
Date: Wed, 2 Apr 2014 17:53:25 -0500
Organization: Jacob Sparre Andersen Research & Innovation
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Date: 2014-04-02T17:53:25-05:00
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Even on 8-bit and 16-bit processors??

                     Randy.

(Note that no one should be depending on implementation-defined Standard 
types like Long_Long_Integer. These are considered implementation-defined by 
the profile No_Implementation_Extensions; they should be avoided in portable 
Ada code. Also see 3.5.4(28). I have more sympathy for requiring 
System.Max_Int to be at least 2**63-1 on appropriate machines (and the 
appropriate Interfaces types as well)) -- but what's an appropriate machine? 
Janus/Ada has never supported 64-bit integers, mainly because of the nasty 
effect on shared generics for formal integer and discrete types [it would 
force those to use all 64-bit math, which would get pretty expensive for 
Text_IO.Integer_IO and similar generics]. We only support 32-bit machines, 
but of course modern Intel processors all have 64-bit "integers" via the 
floating point instruction set. I've never considered that real 64-bit 
support and ignored it, because of expense and precision concerns [along 
with complications supporting indexing and for loops] -- not worth the 
headache. A 64-bit target would be a different beast, of course.)

"Britt" <britt.snodgrass@gmail.com> wrote in message 
news:2d62368c-9f64-49f3-98a8-5121d0c0fa23@googlegroups.com...
> On Tuesday, March 25, 2014 5:41:16 PM UTC-4, Stoik wrote:
>> I wonder what is high on your list of wishes for Ada 202X?
>
> require basic support for 64-bit integer types:
>   Standard.Long_Long_Integer (I'm currently missing this in ObjectAda)
>   Interfaces.Integer_64
>   Interfaces.Unsigned_64
>   and corresponding support for C99's "long long", "int64_t" and 
> "uint64_t" in Interfaces.C