1 | /* ISA level static dispatch for wcscpy .S files. |
2 | Copyright (C) 2022-2024 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 | /* wcscpy non-multiarch build is split into two files, |
20 | wcscpy-generic.c and wcscpy.S. The wcscpy.S build is for |
21 | ISA level >= 2 uses the optimized assembly implementations in |
22 | multiarch/wcscpy*.S. This must be split into two files because |
23 | we cannot include C code from assembly or vice versa. */ |
24 | |
25 | #include <isa-level.h> |
26 | |
27 | #if MINIMUM_X86_ISA_LEVEL >= 2 |
28 | |
29 | # define WCSCPY __wcscpy |
30 | |
31 | # define DEFAULT_IMPL_V4 "multiarch/wcscpy-evex.S" |
32 | # define DEFAULT_IMPL_V3 "multiarch/wcscpy-avx2.S" |
33 | # define DEFAULT_IMPL_V2 "multiarch/wcscpy-ssse3.S" |
34 | /* isa-default-impl.h expects DEFAULT_IMPL_V1 to be defined but it |
35 | should never be used from here. */ |
36 | # define DEFAULT_IMPL_V1 "ERROR -- Invalid ISA IMPL" |
37 | |
38 | # include "isa-default-impl.h" |
39 | |
40 | weak_alias (__wcscpy, wcscpy) |
41 | libc_hidden_def (__wcscpy) |
42 | #endif |
43 | |