1 | /* Multiple versions of strspn |
2 | All versions must be listed in ifunc-impl-list.c. |
3 | Copyright (C) 2009-2016 Free Software Foundation, Inc. |
4 | Contributed by Intel Corporation. |
5 | This file is part of the GNU C Library. |
6 | |
7 | The GNU C Library is free software; you can redistribute it and/or |
8 | modify it under the terms of the GNU Lesser General Public |
9 | License as published by the Free Software Foundation; either |
10 | version 2.1 of the License, or (at your option) any later version. |
11 | |
12 | The GNU C Library is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | Lesser General Public License for more details. |
16 | |
17 | You should have received a copy of the GNU Lesser General Public |
18 | License along with the GNU C Library; if not, see |
19 | <http://www.gnu.org/licenses/>. */ |
20 | |
21 | #include <config.h> |
22 | #include <sysdep.h> |
23 | #include <init-arch.h> |
24 | |
25 | /* Define multiple versions only for the definition in libc. */ |
26 | #if IS_IN (libc) |
27 | .text |
28 | ENTRY(strspn) |
29 | .type strspn, @gnu_indirect_function |
30 | LOAD_RTLD_GLOBAL_RO_RDX |
31 | leaq __strspn_sse2(%rip), %rax |
32 | HAS_CPU_FEATURE (SSE4_2) |
33 | jz 2f |
34 | leaq __strspn_sse42(%rip), %rax |
35 | 2: ret |
36 | END(strspn) |
37 | |
38 | # undef ENTRY |
39 | # define ENTRY(name) \ |
40 | .type __strspn_sse2, @function; \ |
41 | .globl __strspn_sse2; \ |
42 | .align 16; \ |
43 | __strspn_sse2: cfi_startproc; \ |
44 | CALL_MCOUNT |
45 | # undef END |
46 | # define END(name) \ |
47 | cfi_endproc; .size __strspn_sse2, .-__strspn_sse2 |
48 | #endif |
49 | |
50 | #include "../strspn.S" |
51 | |