warning: comparison of integer expressions of different signedness related to simd.h - Mailing list pgsql-hackers

From Pavel Stehule
Subject warning: comparison of integer expressions of different signedness related to simd.h
Date
Msg-id CAFj8pRAagKQHfw71aQbL8PbL0S_360M61V0_vPqJXbpUFvqnRA@mail.gmail.com
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Responses Re: warning: comparison of integer expressions of different signedness related to simd.h
List pgsql-hackers
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++)
      |                           ^
/usr/local/pgsql/master/include/server/port/simd.h: In function ‘vector8_has_le’:
/usr/local/pgsql/master/include/server/port/simd.h:219:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘long unsigned int’ [-Wsign-compare]
  219 |         for (int i = 0; i < sizeof(Vector8); i++)
      |                           ^

[pavel@localhost plpgsql_check]$ uname -a
Linux localhost.localdomain 5.18.19-200.fc36.x86_64 #1 SMP PREEMPT_DYNAMIC Sun Aug 21 15:52:59 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
[pavel@localhost plpgsql_check]$ gcc --version
gcc (GCC) 12.2.1 20220819 (Red Hat 12.2.1-1)
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Regards

Pavel

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