x86/cpu.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVUTIL_X86_CPU_H
20 #define AVUTIL_X86_CPU_H
21 
22 #include "config.h"
23 #include "libavutil/cpu.h"
24 
25 #define CPUEXT(flags, suffix, cpuext) \
26  (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
27 
28 #define AV_CPU_FLAG_AMD3DNOW AV_CPU_FLAG_3DNOW
29 #define AV_CPU_FLAG_AMD3DNOWEXT AV_CPU_FLAG_3DNOWEXT
30 
31 #define EXTERNAL_AMD3DNOW(flags) CPUEXT(flags, _EXTERNAL, AMD3DNOW)
32 #define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT(flags, _EXTERNAL, AMD3DNOWEXT)
33 #define EXTERNAL_MMX(flags) CPUEXT(flags, _EXTERNAL, MMX)
34 #define EXTERNAL_MMXEXT(flags) CPUEXT(flags, _EXTERNAL, MMXEXT)
35 #define EXTERNAL_SSE(flags) CPUEXT(flags, _EXTERNAL, SSE)
36 #define EXTERNAL_SSE2(flags) CPUEXT(flags, _EXTERNAL, SSE2)
37 #define EXTERNAL_SSE3(flags) CPUEXT(flags, _EXTERNAL, SSE3)
38 #define EXTERNAL_SSSE3(flags) CPUEXT(flags, _EXTERNAL, SSSE3)
39 #define EXTERNAL_SSE4(flags) CPUEXT(flags, _EXTERNAL, SSE4)
40 #define EXTERNAL_SSE42(flags) CPUEXT(flags, _EXTERNAL, SSE42)
41 #define EXTERNAL_AVX(flags) CPUEXT(flags, _EXTERNAL, AVX)
42 #define EXTERNAL_FMA4(flags) CPUEXT(flags, _EXTERNAL, FMA4)
43 
44 #define INLINE_AMD3DNOW(flags) CPUEXT(flags, _INLINE, AMD3DNOW)
45 #define INLINE_AMD3DNOWEXT(flags) CPUEXT(flags, _INLINE, AMD3DNOWEXT)
46 #define INLINE_MMX(flags) CPUEXT(flags, _INLINE, MMX)
47 #define INLINE_MMXEXT(flags) CPUEXT(flags, _INLINE, MMXEXT)
48 #define INLINE_SSE(flags) CPUEXT(flags, _INLINE, SSE)
49 #define INLINE_SSE2(flags) CPUEXT(flags, _INLINE, SSE2)
50 #define INLINE_SSE3(flags) CPUEXT(flags, _INLINE, SSE3)
51 #define INLINE_SSSE3(flags) CPUEXT(flags, _INLINE, SSSE3)
52 #define INLINE_SSE4(flags) CPUEXT(flags, _INLINE, SSE4)
53 #define INLINE_SSE42(flags) CPUEXT(flags, _INLINE, SSE42)
54 #define INLINE_AVX(flags) CPUEXT(flags, _INLINE, AVX)
55 #define INLINE_FMA4(flags) CPUEXT(flags, _INLINE, FMA4)
56 
57 void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx);
58 void ff_cpu_xgetbv(int op, int *eax, int *edx);
59 int ff_cpu_cpuid_test(void);
60 
61 #endif /* AVUTIL_X86_CPU_H */
int index
Definition: gxfenc.c:89
void ff_cpu_cpuid(int index, int *eax, int *ebx, int *ecx, int *edx)
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
void ff_cpu_xgetbv(int op, int *eax, int *edx)
int ff_cpu_cpuid_test(void)