1 | /* Multiple versions of strcspn |
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 | #ifdef USE_AS_STRPBRK |
26 | #define STRCSPN_SSE42 __strpbrk_sse42 |
27 | #define STRCSPN_SSE2 __strpbrk_sse2 |
28 | #define __GI_STRCSPN __GI_strpbrk |
29 | #else |
30 | #ifndef STRCSPN |
31 | #define STRCSPN strcspn |
32 | #define STRCSPN_SSE42 __strcspn_sse42 |
33 | #define STRCSPN_SSE2 __strcspn_sse2 |
34 | #define __GI_STRCSPN __GI_strcspn |
35 | #endif |
36 | #endif |
37 | |
38 | /* Define multiple versions only for the definition in libc. Don't |
39 | define multiple versions for strpbrk in static library since we |
40 | need strpbrk before the initialization happened. */ |
41 | #if (defined SHARED || !defined USE_AS_STRPBRK) && IS_IN (libc) |
42 | .text |
43 | ENTRY(STRCSPN) |
44 | .type STRCSPN, @gnu_indirect_function |
45 | LOAD_RTLD_GLOBAL_RO_RDX |
46 | leaq STRCSPN_SSE2(%rip), %rax |
47 | HAS_CPU_FEATURE (SSE4_2) |
48 | jz 2f |
49 | leaq STRCSPN_SSE42(%rip), %rax |
50 | 2: ret |
51 | END(STRCSPN) |
52 | |
53 | # undef ENTRY |
54 | # define ENTRY(name) \ |
55 | .type STRCSPN_SSE2, @function; \ |
56 | .globl STRCSPN_SSE2; \ |
57 | .align 16; \ |
58 | STRCSPN_SSE2: cfi_startproc; \ |
59 | CALL_MCOUNT |
60 | # undef END |
61 | # define END(name) \ |
62 | cfi_endproc; .size STRCSPN_SSE2, .-STRCSPN_SSE2 |
63 | #endif |
64 | |
65 | #ifdef USE_AS_STRPBRK |
66 | #include "../strpbrk.S" |
67 | #else |
68 | #include "../strcspn.S" |
69 | #endif |
70 | |