1/* Multiple versions of wmemcmp
2 All versions must be listed in ifunc-impl-list.c.
3 Copyright (C) 2011-2017 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 <sysdep.h>
22#include <init-arch.h>
23
24/* Define multiple versions only for the definition in libc. */
25#if IS_IN (libc)
26 .text
27ENTRY(wmemcmp)
28 .type wmemcmp, @gnu_indirect_function
29 LOAD_RTLD_GLOBAL_RO_RDX
30 HAS_CPU_FEATURE (SSSE3)
31 jnz 2f
32 leaq __wmemcmp_sse2(%rip), %rax
33 ret
34
352: HAS_CPU_FEATURE (SSE4_1)
36 jz 3f
37 leaq __wmemcmp_sse4_1(%rip), %rax
38 ret
39
403: leaq __wmemcmp_ssse3(%rip), %rax
41 ret
42
43END(wmemcmp)
44#endif
45