@@ -23,6 +23,24 @@

 static int flags, checked;

 void av_force_cpu_flags(int arg){

+    if (   (arg & ( AV_CPU_FLAG_3DNOW    |

+                    AV_CPU_FLAG_3DNOWEXT |

+                    AV_CPU_FLAG_SSE      |

+                    AV_CPU_FLAG_SSE2     |

+                    AV_CPU_FLAG_SSE2SLOW |

+                    AV_CPU_FLAG_SSE3     |

+                    AV_CPU_FLAG_SSE3SLOW |

+                    AV_CPU_FLAG_SSSE3    |

+                    AV_CPU_FLAG_SSE4     |

+                    AV_CPU_FLAG_SSE42    |

+                    AV_CPU_FLAG_AVX      |

+                    AV_CPU_FLAG_XOP      |

+                    AV_CPU_FLAG_FMA4     ))

+        && !(arg & AV_CPU_FLAG_MMX)) {

+        av_log(NULL, AV_LOG_WARNING, "MMX implied by specified flags\n");

+        arg |= AV_CPU_FLAG_MMX;

+    }

+

     flags   = arg;

     checked = arg != -1;

 }