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
43ENTRY(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
502: ret
51END(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