1 /* Multiple versions of memcmp. PowerPC64 version.
2 Copyright (C) 2013-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 /* Define multiple versions only for definition in libc. */
21 # define memcmp __redirect_memcmp
23 # include <shlib-compat.h>
24 # include "init-arch.h"
26 extern __typeof (memcmp
) __memcmp_ppc attribute_hidden
;
27 extern __typeof (memcmp
) __memcmp_power4 attribute_hidden
;
28 extern __typeof (memcmp
) __memcmp_power7 attribute_hidden
;
29 extern __typeof (memcmp
) __memcmp_power8 attribute_hidden
;
30 extern __typeof (memcmp
) __memcmp_power10 attribute_hidden
;
33 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
34 ifunc symbol properly. */
35 libc_ifunc_redirected (__redirect_memcmp
, memcmp
,
36 #ifdef __LITTLE_ENDIAN__
37 (hwcap2
& PPC_FEATURE2_ARCH_3_1
38 && hwcap
& PPC_FEATURE_HAS_VSX
)
41 (hwcap2
& PPC_FEATURE2_ARCH_2_07
42 && hwcap
& PPC_FEATURE_HAS_ALTIVEC
)
44 (hwcap
& PPC_FEATURE_ARCH_2_06
)
46 : (hwcap
& PPC_FEATURE_POWER4
)
50 #include <string/memcmp.c>