func: av_cold void ff_float_dsp_init_x86(AVFloatDSPContext *fdsp)
  
  {
  
      int cpu_flags = av_get_cpu_flags();
  
  
  
  #if HAVE_6REGS && HAVE_INLINE_ASM
  
      if (INLINE_AMD3DNOWEXT(cpu_flags)) {
  
          fdsp->vector_fmul_window  = vector_fmul_window_3dnowext;
  
      }
  
      if (INLINE_SSE(cpu_flags)) {
  
          fdsp->vector_fmul_window = vector_fmul_window_sse;
  
      }
  
  #endif
  
      if (EXTERNAL_SSE(cpu_flags)) {
  
          fdsp->vector_fmul = ff_vector_fmul_sse;
  
          fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_sse;
  
          fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_sse;
  
          fdsp->vector_fmul_add    = ff_vector_fmul_add_sse;
  
          fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_sse;
  
          fdsp->scalarproduct_float = ff_scalarproduct_float_sse;
  
          fdsp->butterflies_float   = ff_butterflies_float_sse;
  
      }
  
      if (EXTERNAL_SSE2(cpu_flags)) {
  
          fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_sse2;
  
      }
  
      if (EXTERNAL_AVX(cpu_flags)) {
  
          fdsp->vector_fmul = ff_vector_fmul_avx;
  
          fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_avx;
  
          fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_avx;
  
          fdsp->vector_fmul_add    = ff_vector_fmul_add_avx;
  
          fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_avx;
  
      }
  
  }
  