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00019 #include "cpu.h"
00020 #include "config.h"
00021
00022 int av_get_cpu_flags(void)
00023 {
00024 static int flags, checked;
00025
00026 if (checked)
00027 return flags;
00028
00029 if (ARCH_ARM) flags = ff_get_cpu_flags_arm();
00030 if (ARCH_PPC) flags = ff_get_cpu_flags_ppc();
00031 if (ARCH_X86) flags = ff_get_cpu_flags_x86();
00032
00033 checked = 1;
00034 return flags;
00035 }
00036
00037 #ifdef TEST
00038
00039 #undef printf
00040 #include <stdio.h>
00041
00042 static const struct {
00043 int flag;
00044 const char *name;
00045 } cpu_flag_tab[] = {
00046 #if ARCH_ARM
00047 { AV_CPU_FLAG_IWMMXT, "iwmmxt" },
00048 #elif ARCH_PPC
00049 { AV_CPU_FLAG_ALTIVEC, "altivec" },
00050 #elif ARCH_X86
00051 { AV_CPU_FLAG_MMX, "mmx" },
00052 { AV_CPU_FLAG_MMX2, "mmx2" },
00053 { AV_CPU_FLAG_SSE, "sse" },
00054 { AV_CPU_FLAG_SSE2, "sse2" },
00055 { AV_CPU_FLAG_SSE2SLOW, "sse2(slow)" },
00056 { AV_CPU_FLAG_SSE3, "sse3" },
00057 { AV_CPU_FLAG_SSE3SLOW, "sse3(slow)" },
00058 { AV_CPU_FLAG_SSSE3, "ssse3" },
00059 { AV_CPU_FLAG_ATOM, "atom" },
00060 { AV_CPU_FLAG_SSE4, "sse4.1" },
00061 { AV_CPU_FLAG_SSE42, "sse4.2" },
00062 { AV_CPU_FLAG_AVX, "avx" },
00063 { AV_CPU_FLAG_XOP, "xop" },
00064 { AV_CPU_FLAG_FMA4, "fma4" },
00065 { AV_CPU_FLAG_3DNOW, "3dnow" },
00066 { AV_CPU_FLAG_3DNOWEXT, "3dnowext" },
00067 #endif
00068 { 0 }
00069 };
00070
00071 int main(void)
00072 {
00073 int cpu_flags = av_get_cpu_flags();
00074 int i;
00075
00076 printf("cpu_flags = 0x%08X\n", cpu_flags);
00077 printf("cpu_flags =");
00078 for (i = 0; cpu_flag_tab[i].flag; i++)
00079 if (cpu_flags & cpu_flag_tab[i].flag)
00080 printf(" %s", cpu_flag_tab[i].name);
00081 printf("\n");
00082
00083 return 0;
00084 }
00085
00086 #endif