blob: f64da631807b815821fcc930317fd784ec2265f2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* Multiple versions of __memmove_chk.
All versions must be listed in ifunc-impl-list.c.
Copyright (C) 2010-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <string.h>
#include "init-arch.h"
#define MEMMOVE_CHK __memmove_chk_sse2
extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_avx_unaligned attribute_hidden;
# ifdef HAVE_AVX512_ASM_SUPPORT
extern __typeof (__memmove_chk) __memmove_chk_avx512_no_vzeroupper attribute_hidden;
# endif
#include "debug/memmove_chk.c"
libc_ifunc (__memmove_chk,
#ifdef HAVE_AVX512_ASM_SUPPORT
HAS_ARCH_FEATURE (AVX512F_Usable)
&& HAS_ARCH_FEATURE (Prefer_No_VZEROUPPER)
? __memmove_chk_avx512_no_vzeroupper
:
#endif
HAS_ARCH_FEATURE (AVX_Fast_Unaligned_Load) ? __memmove_chk_avx_unaligned :
(HAS_CPU_FEATURE (SSSE3)
? (HAS_ARCH_FEATURE (Fast_Copy_Backward)
? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
: __memmove_chk_sse2));
|
