Re: signed/unsigned integer conversion for right shift seems

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On Tue, Feb 6, 2018 at 8:43 PM, Peter T. Breuer <ptb@xxxxxxxxxxxxxx> wrote:
> "Also sprach Jonathan Wakely:"
>>
>> On 6 February 2018 at 18:37, Tadeus Prastowo wrote:
>> > @Peter Breuer: it seems that you are not very knowledgeable about the
>> > internals of the C language.  Hence, I would like to invite you to
>
> Amusing.  Byt as the infamous author of a much used higher order
> compiler compiler in C, a linear logic model checker for C, about 4
> different user-driven languages that I can recall written in C, ranging
> from a persistent higher order lazy functional language to a decompiler
> compiler, and a mathematical logician well known as a programming
> languages semanticist who has given denotational, operational and
> logical semantics to many programming, machine and specification
> languages, etc etc etc, "I don't think so".

You mean this http://dblp.uni-trier.de/pers/hd/b/Breuer:Peter_T=  ?

[...]

>> And maybe find somewhere else to discuss it. "I don't understand the C
>> standard" is not a GCC problem, so doesn't belong on this mailing
>
> Please desist from ad hominen attacks.

Jonathan is not attacking you.  This mailing list is specific to GCC
problem, and what you are talking about is a language specification
issue.  I bet you know that you should not submit a paper to a
conference whose topic is tangential to your paper.

For C language specific issue, you should join comp.std.c to make a
defect report as you can learn from
https://groups.google.com/d/msg/comp.std.c/yIpg6gtdOoU/44GfW3-ib0YJ .

[...]

> I would be grateful if you do
> manage to find somewhere in the spec that allows the conversion thang
> not to be done for >>.

You already identified it in the previous e-mail.  The word "many".

To quote ISO-IEC 9899:1999 Section 6.3.1.8 Paragraph 1: Many operators
that expect operands of arithmetic type cause conversions and yield
result types in a similar way.  End quote.

> I now don't know for sure what needs to be done here.

Take this discussion to comp.std.c, please?

> Regards
>
> PTB

--
Best regards,
Tadeus



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