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 | |
25 | extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden; |
26 | extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden; |
27 | extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden; |
28 | extern __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 | |
35 | libc_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 |