1/* Multiple versions of __memmove_chk.
2 All versions must be listed in ifunc-impl-list.c.
3 Copyright (C) 2010-2016 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
19
20#include <string.h>
21#include "init-arch.h"
22
23#define MEMMOVE_CHK __memmove_chk_sse2
24
25extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
26extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
27extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
28extern __typeof (__memmove_chk) __memmove_chk_avx_unaligned attribute_hidden;
29# ifdef HAVE_AVX512_ASM_SUPPORT
30 extern __typeof (__memmove_chk) __memmove_chk_avx512_no_vzeroupper attribute_hidden;
31# endif
32
33#include "debug/memmove_chk.c"
34
35libc_ifunc (__memmove_chk,
36#ifdef HAVE_AVX512_ASM_SUPPORT
37 HAS_ARCH_FEATURE (AVX512F_Usable)
38 && HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
39 ? __memmove_chk_avx512_no_vzeroupper
40 :
41#endif
42 HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_chk_avx_unaligned :
43 (HAS_CPU_FEATURE (SSSE3)
44 ? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
45 ? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
46 : __memmove_chk_sse2));
47