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

[Pavel Stehule]

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