1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "cpu.h"
#include "config.h"
int av_get_cpu_flags(void)
{
static int flags, checked;
if (checked)
return flags;
if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
if (ARCH_X86) flags = ff_get_cpu_flags_x86();
checked = 1;
return flags;
}
#ifdef TEST
#undef printf
#include <stdio.h>
int main(void)
{
int cpu_flags = av_get_cpu_flags();
printf("cpu_flags = 0x%08X\n", cpu_flags);
printf("cpu_flags = %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
#if ARCH_ARM
cpu_flags & AV_CPU_FLAG_IWMMXT ? "IWMMXT " : "",
#elif ARCH_PPC
cpu_flags & AV_CPU_FLAG_ALTIVEC ? "ALTIVEC " : "",
#elif ARCH_X86
cpu_flags & AV_CPU_FLAG_MMX ? "MMX " : "",
cpu_flags & AV_CPU_FLAG_MMX2 ? "MMX2 " : "",
cpu_flags & AV_CPU_FLAG_SSE ? "SSE " : "",
cpu_flags & AV_CPU_FLAG_SSE2 ? "SSE2 " : "",
cpu_flags & AV_CPU_FLAG_SSE2SLOW ? "SSE2(slow) " : "",
cpu_flags & AV_CPU_FLAG_SSE3 ? "SSE3 " : "",
cpu_flags & AV_CPU_FLAG_SSE3SLOW ? "SSE3(slow) " : "",
cpu_flags & AV_CPU_FLAG_SSSE3 ? "SSSE3 " : "",
cpu_flags & AV_CPU_FLAG_ATOM ? "Atom " : "",
cpu_flags & AV_CPU_FLAG_SSE4 ? "SSE4.1 " : "",
cpu_flags & AV_CPU_FLAG_SSE42 ? "SSE4.2 " : "",
cpu_flags & AV_CPU_FLAG_AVX ? "AVX " : "",
cpu_flags & AV_CPU_FLAG_3DNOW ? "3DNow " : "",
cpu_flags & AV_CPU_FLAG_3DNOWEXT ? "3DNowExt " : "");
#endif
return 0;
}
#endif
|
