Re: warning: comparison of integer expressions of different signedness related to simd.h

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: John Naylor <john(dot)naylor(at)enterprisedb(dot)com>
Cc: PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: warning: comparison of integer expressions of different signedness related to simd.h
Date: 2022-09-03 05:53:52
Message-ID: CAFj8pRA_hEE-kZdEVoPsAv9Fbw=n+MoyiQU2ktv6C2U85j_0jA@mail.gmail.com
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so 3. 9. 2022 v 7:50 odesílatel John Naylor <john(dot)naylor(at)enterprisedb(dot)com>
napsal:

> On Sat, Sep 3, 2022 at 12:30 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
> wrote:
> >
> > Hi
> >
> > I got fresh warnings when I build an extension
> >
> > In file included from
> /usr/local/pgsql/master/include/server/mb/pg_wchar.h:22,
> > from src/format.c:17:
> > /usr/local/pgsql/master/include/server/port/simd.h: In function
> ‘vector8_has’:
> > /usr/local/pgsql/master/include/server/port/simd.h:168:27: warning:
> comparison of integer expressions of different signedness: ‘int’ and ‘long
> unsigned int’ [-Wsign-compare]
> > 168 | for (int i = 0; i < sizeof(Vector8); i++)
> > | ^
>
> "int" should probably be "Size" -- does that remove the warning?
>

yes, it removes warnings

Pavel

>
> --
> John Naylor
> EDB: http://www.enterprisedb.com
>

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