/*
  * This file is part of FFmpeg.
  *
  * FFmpeg 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.
  *
  * FFmpeg 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 FFmpeg; 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"
 

 static int flags, checked;
 
 void av_force_cpu_flags(int arg){
     flags   = arg;
     checked = 1;
 }
 

 int av_get_cpu_flags(void)
 {

     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>

 static const struct {
     int flag;
     const char *name;
 } cpu_flag_tab[] = {
 #if   ARCH_ARM
     { AV_CPU_FLAG_IWMMXT,    "iwmmxt"     },
 #elif ARCH_PPC
     { AV_CPU_FLAG_ALTIVEC,   "altivec"    },
 #elif ARCH_X86
     { AV_CPU_FLAG_MMX,       "mmx"        },
     { AV_CPU_FLAG_MMX2,      "mmx2"       },
     { AV_CPU_FLAG_SSE,       "sse"        },
     { AV_CPU_FLAG_SSE2,      "sse2"       },
     { AV_CPU_FLAG_SSE2SLOW,  "sse2(slow)" },
     { AV_CPU_FLAG_SSE3,      "sse3"       },
     { AV_CPU_FLAG_SSE3SLOW,  "sse3(slow)" },
     { AV_CPU_FLAG_SSSE3,     "ssse3"      },
     { AV_CPU_FLAG_ATOM,      "atom"       },
     { AV_CPU_FLAG_SSE4,      "sse4.1"     },
     { AV_CPU_FLAG_SSE42,     "sse4.2"     },
     { AV_CPU_FLAG_AVX,       "avx"        },

     { AV_CPU_FLAG_XOP,       "xop"        },
     { AV_CPU_FLAG_FMA4,      "fma4"       },

     { AV_CPU_FLAG_3DNOW,     "3dnow"      },
     { AV_CPU_FLAG_3DNOWEXT,  "3dnowext"   },
 #endif
     { 0 }
 };
 

 int main(void)
 {
     int cpu_flags = av_get_cpu_flags();

     int i;

 
     printf("cpu_flags = 0x%08X\n", cpu_flags);

     printf("cpu_flags =");
     for (i = 0; cpu_flag_tab[i].flag; i++)
         if (cpu_flags & cpu_flag_tab[i].flag)
             printf(" %s", cpu_flag_tab[i].name);
     printf("\n");
 

     return 0;
 }
 
 #endif