1/* Common definition for libmathvec ifunc selections optimized with
2 AVX2.
3 Copyright (C) 2017-2020 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <init-arch.h>
21
22#undef PASTER2
23#define PASTER2(x,y) x##_##y
24
25extern void REDIRECT_NAME (void);
26extern __typeof (REDIRECT_NAME) OPTIMIZE (sse_wrapper) attribute_hidden;
27extern __typeof (REDIRECT_NAME) OPTIMIZE (avx2) attribute_hidden;
28
29static inline void *
30IFUNC_SELECTOR (void)
31{
32 const struct cpu_features* cpu_features = __get_cpu_features ();
33
34 if (CPU_FEATURE_USABLE_P (cpu_features, FMA)
35 && CPU_FEATURE_USABLE_P (cpu_features, AVX2))
36 return OPTIMIZE (avx2);
37
38 return OPTIMIZE (sse_wrapper);
39}
40