1/* Multiple versions of mempcpy.
2 Copyright (C) 2016-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <ifunc-memcpy.h>
20
21#if HAVE_MEMCPY_IFUNC
22# define mempcpy __redirect_mempcpy
23# define __mempcpy __redirect___mempcpy
24# define __NO_STRING_INLINES
25# define NO_MEMPCPY_STPCPY_REDIRECT
26# include <string.h>
27# undef mempcpy
28# undef __mempcpy
29# include <ifunc-resolve.h>
30
31# if HAVE_MEMCPY_Z900_G5
32extern __typeof (__redirect___mempcpy) MEMPCPY_Z900_G5 attribute_hidden;
33# endif
34
35# if HAVE_MEMCPY_Z10
36extern __typeof (__redirect___mempcpy) MEMPCPY_Z10 attribute_hidden;
37# endif
38
39# if HAVE_MEMCPY_Z196
40extern __typeof (__redirect___mempcpy) MEMPCPY_Z196 attribute_hidden;
41# endif
42
43s390_libc_ifunc_expr (__redirect___mempcpy, __mempcpy,
44 ({
45 s390_libc_ifunc_expr_stfle_init ();
46 (HAVE_MEMCPY_Z196 && S390_IS_Z196 (stfle_bits))
47 ? MEMPCPY_Z196
48 : (HAVE_MEMCPY_Z10 && S390_IS_Z10 (stfle_bits))
49 ? MEMPCPY_Z10
50 : MEMPCPY_DEFAULT;
51 })
52 )
53weak_alias (__mempcpy, mempcpy);
54#endif
55

source code of glibc/sysdeps/s390/mempcpy.c