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From: mitchalsup@aol.com (MitchAlsup1)
Newsgroups: comp.arch
Subject: Re: Computer architects leaving Intel...
Date: Thu, 5 Sep 2024 19:29:36 +0000
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On Thu, 5 Sep 2024 14:05:08 +0000, Scott Lurndal wrote:

> Terje Mathisen <terje.mathisen@tmsw.no> writes:
>>David Brown wrote:
>>
>>> It would be nice if C had subrange types like Pascal or Ada, but it doe=
>>s not.=C2=A0 Usually int - or sizeed ints - are the practical choice.
>>
>>
>>Agreed 100%
>
> Although absent architecture support, how does one ensure that the
> value remains within the subrange?

   result = min(max(min_range,x),max_range);

or for 2^n values

   result = ( ( x << (64-width) ) >> (64-width) );

The top is 2 instructions, the bottom 1 (both signed and unsigned).