1 | /* Multiple versions of bzero. |
2 | Copyright (C) 2018-2022 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-memset.h> |
20 | #if HAVE_MEMSET_IFUNC |
21 | # include <string.h> |
22 | # include <ifunc-resolve.h> |
23 | |
24 | # if HAVE_MEMSET_Z900_G5 |
25 | extern __typeof (__bzero) BZERO_Z900_G5 attribute_hidden; |
26 | # endif |
27 | |
28 | # if HAVE_MEMSET_Z10 |
29 | extern __typeof (__bzero) BZERO_Z10 attribute_hidden; |
30 | # endif |
31 | |
32 | # if HAVE_MEMSET_Z196 |
33 | extern __typeof (__bzero) BZERO_Z196 attribute_hidden; |
34 | # endif |
35 | |
36 | s390_libc_ifunc_expr (__bzero, __bzero, |
37 | ({ |
38 | s390_libc_ifunc_expr_stfle_init (); |
39 | (HAVE_MEMSET_Z196 && S390_IS_Z196 (stfle_bits)) |
40 | ? BZERO_Z196 |
41 | : (HAVE_MEMSET_Z10 && S390_IS_Z10 (stfle_bits)) |
42 | ? BZERO_Z10 |
43 | : BZERO_DEFAULT; |
44 | }) |
45 | ) |
46 | weak_alias (__bzero, bzero) |
47 | #endif |
48 | |