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Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types

From: "Andrew Pinski" <pinskia at gmail dot com>
To: "Andriy Gapon" <avg at icyb dot net dot ua>
Cc: "Manuel LÃpez-IbÃÃez" <lopezibanez at gmail dot com>, gcc at gcc dot gnu dot org
Date: Tue, 27 May 2008 12:00:42 -0700
Subject: Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
References: <483AF557.8050603@icyb.net.ua> <6c33472e0805270350p62d8f334v8e881e361fee4bb0@mail.gmail.com> <483C531A.5060507@icyb.net.ua> <de8d50360805271148u10525605ib84afa5c7957b2f7@mail.gmail.com> <483C5948.1060209@icyb.net.ua>

On Tue, May 27, 2008 at 11:56 AM, Andriy Gapon <avg@icyb.net.ua> wrote:
> Thank you for the explanation! I didn't realize the difference.
>
> OTOH, do you think that those arithmetic warnings are practical (as opposed
> to being correct)?

I think so as the short int case has a defined overflow of the signed
short type that is SHRT_MAX + 1 is defined while INT_MAX + 1 is not.

-- Pinski

Follow-Ups:
- Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Andriy Gapon

References:
- gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Andriy Gapon
- Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Manuel López-Ibáñez
- Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Andriy Gapon
- Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Andrew Pinski
- Re: gcc 4.3.0, -Wconversion: assignment-by operators for shorter types
  - From: Andriy Gapon

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