1/* Runtime architecture check for libmvec benchtests. x86_64 version.
2 Copyright (C) 2023-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <stdio.h>
20#include <sys/platform/x86.h>
21
22#define INIT_ARCH() \
23 do \
24 { \
25 if (!supported ()) \
26 return 77; \
27 } \
28 while (0)
29
30static bool
31supported (void)
32{
33#if defined REQUIRE_AVX
34 if (!CPU_FEATURE_ACTIVE (AVX))
35 {
36 printf ("AVX not supported.");
37 return false;
38 }
39#elif defined REQUIRE_AVX2
40 if (!CPU_FEATURE_ACTIVE (AVX2))
41 {
42 printf ("AVX2 not supported.");
43 return false;
44 }
45#elif defined REQUIRE_AVX512F
46 if (!CPU_FEATURE_ACTIVE (AVX512F))
47 {
48 printf ("AVX512F not supported.");
49 return false;
50 }
51#endif
52 return true;
53}
54

source code of glibc/sysdeps/x86_64/fpu/bench-libmvec-arch.h